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Singh, K. P.

• Pteridophytic Flora of Achanakmar-amarkantak Biosphere Reserve, Central India

Abstract Views :228  |  PDF Views:0

Authors

Achuta Nand Shukla , K. P. Singh

Source

Indian Forester, Vol 135, No 2 (2009), Pagination: 270-280

Abstract

The present paper deals with the systematic account of 35 species belonging to 25 genera and 18 families of Pteridophytes. Key to genera and species, along with correct nomenclature, brief description, ecological notes, and specimens examined and distributional notes have been provided for their easy identification.

Keywords

Pteridophytes, Achanakmar-Amarkantak Biosphere Reserve, Central India

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• Biology of the Sal Defoliator Ascotis imparata Walk. (Lepidoptera: Geometridae)

Abstract Views :271  |  PDF Views:0

Authors

K. P. Singh , R. S. Bhandari

Source

Indian Forester, Vol 135, No 10 (2009), Pagination: 1407-1415

Abstract

Moth of A. imparata was whitish grey or pale fuscous in colour, irrorated with dark grey and brown lines. Mating duration took 147.50 ± 11.93 minutes. Eggs were small, oval and olive green in colour. Incubation period was 3.80 ± 0.84 days. Larvae were voracious feeders and had two pairs of prolegs 1st on A6 and 2nd on A10. It has four moultings representing five instars. The full grown larva was light brown in colour. The larval duration was 21.58 ± 1.31 days. Pupa was obtect stout, shining, hairless and reddish- brown in colour. Pupal period lasts 14.08 ± 1.17 days. Life cycle of A. imp∑arata completed in 51.36 ± 1.32 days in June - July. There were six generations in a year.

Keywords

Ascotis imparata, Sal Defoliator, Biology, Life Cycle

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• Hyposidra Talaca Walk. (Lepidoptera - Geometridae) a New Pest of Quercus incana Roxb.

Abstract Views :252  |  PDF Views:0

Authors

K. P. Singh , Sudhir Singh

Source

Indian Forester, Vol 130, No 2 (2004), Pagination: 231-232

Abstract

No abstract

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• Insect Visitors of Mango Inflorescence

Abstract Views :291  |  PDF Views:0

Authors

K. P. Singh , Gajendra Singh

Source

Indian Forester, Vol 129, No 10 (2003), Pagination: 1289-1292

Abstract

The number of insect species visiting the mango flowers during blooming stage revealed that the maximum number of insects belonged to the families Syrphidae , Muscidae and Calliphoridae of the order Diptera while the minimum number was recorded in the order Lepidoptera.

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• Contribution to the Flora of Achanakmar-Amarkantak Biosphere Reserve, Central India

Abstract Views :259  |  PDF Views:0

Authors

Achuta N. Shukla , K. P. Singh

Source

Indian Forester, Vol 138, No 1 (2012), Pagination: 22-26

Abstract

The paper enumerates 137 taxa as new to the flora of Achanakmar-Amarkantak Biosphere Reserve. Correct nomenclature, family name, locality and field number of each taxon has been provided.

Keywords

Contribution, Flora, Achanakmar-Amarkantak Biosphere Reserve

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• Successful Completion of First Indian Forest Congress

Abstract Views :288  |  PDF Views:1

Authors

K. P. Singh

Source

Indian Forester, Vol 138, No 2 (2012), Pagination: 205-205

Abstract

No abstract

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• First Record of Phlaeobius crassicollis Jorden (Coleoptera: Anthribidae) on Green Standing Bamboo

Abstract Views :234  |  PDF Views:0

Authors

K. P. Singh

Source

Indian Forester, Vol 138, No 5 (2012), Pagination: 472-475

Abstract

Bamboo species are susceptible to insect attack at every stage, right from seeds to the finished products. In recent past during an insect survey a beetle was found boring into green culms of standing bamboo. The beetle was collected and got identified as Phlaeobius crassicollis (Coleoptera: Anthribidae). It makes first record of this beetle's infestation on bamboo species.

Keywords

Phlaeobius crassicollis, Dendrocalamus strictus, Gigantochloa otriviolacea and Insect Infestation

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• Three New Additions to the Flora of Madhya Pradesh

Abstract Views :215  |  PDF Views:0

Authors

Achuta Nand Shukla , K. P. Singh

Source

Indian Forester, Vol 136, No 5 (2010), Pagination: 694-696

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• Evaluation of the Pollination Efficiency of Different Insects on Mango (Mangifera indica)

Abstract Views :179  |  PDF Views:0

Authors

K. P. Singh

Source

Indian Forester, Vol 125, No 3 (1999), Pagination: 333-335

Abstract

No abstract

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• Performance of Plantation of Fuel, Fodderand Timber Species in Garhwal Himalaya

Abstract Views :180  |  PDF Views:0

Authors

Vinay Kumar , K. P. Singh , R. M. Singhal

Source

Indian Forester, Vol 124, No 12 (1998), Pagination: 1052-1054

Abstract

Seedlings of19 important species (exotic and indigenous) were raised in nursery. These species were planted in the project area. And survival rate and height were measured. In the first year of plantation maximum survival per cent (l00 %) were recorded for Acacia delbata, Acer oblongum, Aesculus indica, Fraxinus micrantha, Grewia optiva, Prunus cerasoides and Robinia pseudoacacia. In the second year maximum survival per cent ( >90 %) were found in Acer oblongum > Robinia pseudoacacia> Grewia optiva, > Fraxinus micrantha. In the third year maximum survival per cent were recorded (>80 %) Grewia optiva > Ficus roxburghii > Acer oblongum > Ficus glomerata >Aesculus indica. Maximum height were recorded in Alnus nepalensis > Salix alba >Robinia pseudoacacia > Acacia mearnsii > Acacia melanoxylon after the completion of third year.

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• Germjnation of Elm (Ulmus laevlgata Royle) as Affected by Depth of Sowing

Abstract Views :181  |  PDF Views:0

Authors

H. R. Arya , K. P. Singh

Source

Indian Forester, Vol 122, No 5 (1996), Pagination: 432-433

Abstract

No abstract

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• Biology and Life History of Poplar Shoot Borer, Eucosma glaciata Meyrick (Lepidoptera: Eucosmidae) in Himachal Pradesh

Abstract Views :206  |  PDF Views:0

Authors

K. P. Singh , K. S. Kapoor , S. R. Arya

Source

Indian Forester, Vol 121, No 1 (1995), Pagination: 39-43

Abstract

The Poplar shoot Borer E. glaciata is one of the most destructive lepidopterous pest of P. ciliata in nurseries. The biology and habits of this insect have been discussed with special reference to its life history and nature of damage. Adult of E. glaciata has a longevity of 5.60 ± 0.516 days. The females lays an average of 75 to 100 eggs. The incubation period average 5.56 ± 0.527 days. The total life cycle in laboratory reared specimen varies from 35 to 40 days. The larvae damage the apical tIPS, resulting in die-back and forking.

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• An Ecological Assessment of Spatial Pattern in Site Conditions in Bamboo Plantations in a Dry Tropical Region with a Comment on Clump Spacing

Abstract Views :215  |  PDF Views:0

Authors

S. K. Tripathi , K. P. Singh

Source

Indian Forester, Vol 119, No 3 (1993), Pagination: 238-246

Abstract

The role of bamboo (Dendrocalamus strictus) in causing spatial patterns in ecosystem structure and function has been studied in East Mirzapur Forest Division. The Bamboo savanna is characterized by spatial heterogeneity in form of concentric zones around the bamboo clumps showing greater productivity and soil fertility. The bamboo influence zone (about 1.25 m around the clump), having considerable input of bamboo litter and fine ischolar_mains, is characterized by greater accumulation of organic carbon and nutrients relative to the intervening herb covered zone. Compared to the herb zone, the increase in 0-30 cm soil content in the bamboo zone ranged: organic carbon 15-17 per cent, total nitrogen 7-11 per cent, available phosphorus 25-29 per cent, exchangeable potassium 20- 35 per cent. Because only <20% of the land area is strongly modified by bamboo with respect to soil fertility, it is suggested that a reduction in clump spacing may enhance the productivity of bamboo through its greater regulation of the nutrient relations as well as higher clump densities in the bamboo savanna ecosystem. The presently used clump density, therefore, needs a reappraisal.

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• Effect of Temperature and Relative Humidity on the Development of Sal Defoliator, Ascotis imparata Walk. (Lepidoptera: Geometridae)

Abstract Views :295  |  PDF Views:0

Authors

K. P. Singh

Source

Indian Forester, Vol 137, No 2 (2011), Pagination: 221-224

Abstract

Temperature and humidity are the two main factors that influence the rate of survival and development of sal defoliator, Ascotis imparata Walk. (Lepidoptera: Geometridae), which is an economically important polyphagous pest of sal and other plants in plantations and natural forest. Study of effect of temperature and humidity revealed that the best suited temperature was 25°C to 30°C with 70 to 75% relative humidity. Low temperature (10-15°C) and high humidity (80-90%) and vice - versa was found unfavourable for development and survival of the larvae of A. imparata. The o maximum survival percentage (96 per cent) of larvae was observed at the temperature 25 C with 75% o relative humidity while minimum (16%) survival was at 40°C with 60%. The optimum condition to complete the pupal development was 30°C temperature with 70% relative humidity. At this condition pupae completed development at minimum period of 14.06 days with maximum survival of 91.30 per cent.

Keywords

Ascotis Imparata, Development, Temperature, Relative Humidity, Survival Percentage

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• A Note on Lichens on Shorea robusta in a Biosphere Reserve, Central India

Abstract Views :278  |  PDF Views:0

Authors

Achuta N. Shukla , K. P. Singh

Source

Indian Forester, Vol 137, No 5 (2011), Pagination: 649-652

Abstract

The paper enumerates 45 species of 13 genera of the lichens growing on Shorea robusta Gaertn. f ., trees of Achanakmar-Amarkantak Biosphere Reserve, Madhya Pradesh and Chhattisgarh, mostly the foliose forms of lichens show their predominance as the Parmotrema, Dirinaria, Pertusaria spp. were growing very commonly on young as well as older bark, on breast height.

Keywords

Biosphere Reserve, Central India, Lichens, Shorea Robusta

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• Effect of Different Host Plants on the Biology of Polyphagus Insect Ascotis imparata Walk (Lepidoptera : Geometridae)

Abstract Views :312  |  PDF Views:0

Authors

K. P. Singh

Source

Indian Forester, Vol 136, No 11 (2010), Pagination: 1515-1519

Abstract

Biological effects of six preferrential host plants including Shorea robusta, Ricinus cummunis, Murraya koenigii, Mallotus philippinensis, Syzygium cummunis and Dalbergia sissoo was studied on a polyphagous pest, Ascotis imparata Walk. Maximum fecundity (658.58± 12.5 egg / female) was observed when moth's larvae reared on sal (S. robusta) leaves. It was followed with 626.25± 15.43 eggs on castor (Ricinus cummunis) and minimum fecundity (429.92 ± 7.53 eggs) was observed when larvae reared on D. sissoo. Shorea robusta was found to be most preferred host of A. imparata among six host plants tested as minimum development time in all stages was observed including incubation of eggs (3.80 ± 0.26 days), larval development period (17 ± 0.18 days) and pupal period (14.58 ± 0.28 days). Life cycle was completed in (40.46 ± 0.22 days) which is minimum in comparison to the duration taken when reared on other five host plants.

Keywords

Ascotis imparata, Shorea robusta, Ricinus cummunis, Murraya koenigii, Mallotusphilippinensis, Syzygium cummunis, Dalbergia sissoo

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• Biology of Phloeobius Crassicollis Jord. (coleoptera: Anthribidae) on Green Standing Bamboo

Abstract Views :230  |  PDF Views:1

Authors

K. P. Singh ¹

Affiliations
1 Forest Entomology Division Forest Research Institute, Dehradun, IN

Source

Indian Forester, Vol 140, No 1 (2014), Pagination: 80-82

Abstract

Beetle of Phloeobius crassicollis exhibit sexual dimorphism. The emergence of beetles occurred during May-June. The newly emerged beetles feed on the outer surface of the bamboo culm recurring preferably at the nodes. Single gravid female laid 40-45 eggs at nodes/culm sheaths. The longevity of female and male beetles is 22.6±0.57 and 18.5±0.38 days respectively. The sex ratio male: female is 1.00:0.917. The freshly laid eggs are light gray and oval, incubate for 11.20±0.27 days at room temperature. The freshly hatched larvae nibble and scratch at the point of hatching on the nodes/culm sheaths. Larvae feed on woody tissues of nodes and internodes and deposit the larval frass inside the hollow internodes. The body colour of larvae was creamish with dark yellow head. The larval period was 317.6±0.14 days. Pupae were grayish black in colour. The length and breadth of pupa was 15.00 ±0.316 mm and 8.4±0.155 mm respectively. It emergedinto adults after 17.2±0.63 days.P. crassicollis taken one year to complete the life cycle.

Keywords

Phloeobius crassicollis, Coleoptera, Anthribidae, Bamboo.

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References

• Beeson, C.F.C. (1941). The Ecology and Control of the Forest Insects of India and Neighboring Countries.Vasant Press, Dehra Dun. Reprinted Govt. of India Publication. 1007 pp.
• Soderstrom, T.R. and Ellis, R.P. (1987). The woody bamboos (Poaceae: Bambuseae) of Shri lanka; A morphological and anatomical study. Smithsonian Contribution No. 72.

• Response of Different Levels of NPK and Microbial Inoculants on Quality of Hybrid Cabbage (brassica Oleracea Var. Capitata L.)

Abstract Views :348  |  PDF Views:0

Authors

V. K. Singh ¹, k. P. Singh ², Ashish Ranjan ¹

Affiliations
1 Department of Horticlture, BiharAgricultural College, Sabour, Bhagalpur Bihar, IN
2 Department of Horticlture, Bihar Agricultural College, Sabour, Bhagalpur Bihar, IN

Source

The Asian Journal of Horticulture, Vol 8, No 2 (2013), Pagination: 537-540

Abstract

The experiments were conducted at Bihar Agricultural College, Sabour, Bhagalpur (Bihar) during the two consecutive Rabi seasons of 2006-07 and 07-08 to assess the efficacy of different levels of chemical fertilizes and microbial inoculants on quality attributes of hybrid cabbage. Five levels of chemical fertilizers (F1 - N80 P40K40, F2 - N120 P60 K60, F3 - N160 P80 K80, F4 - N200 P100 K100 and F5 - N240 P120 K120) and five treatments of microbial inoculants (M1-0, M2- Azotobacter, M3-Azospirillum, M4 - VAM and M5 - PSB) were taken for investigation. Among the various fertility levels of chemical fertilizers, N240 P120 K120 gave the maximum protein, phosphorus and calcium content in head of cabbage while ascorbic acid was higher at fertility level of N80 P40 K40.The plant developed under inoculation of biofertilizer Azospirillum produced the highest protein content in head where as microbial inoculants PSB or VAM gave maximum phosphorus and calcium in head. However, the interaction effects of microbial inoculants and levels of chemical fertilizers on quality were failed to touch the level of significance.

Keywords

NPK, Microbial Inoculants, Hybrid Cabbage

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• Influence of Chemical Fertilizers and Biofertilizers on Dry Matter Yield and Npk Uptake by Cabbage (brassica Oleracea Var. capitata Linn.)

Abstract Views :339  |  PDF Views:0

Authors

V. K. Singh ¹, K. P. Singh ², Ashish Ranjan ¹

Affiliations
1 Department of Horticulture, Bhiar Agricultural University, Sabour, Bhagalpur Bihar, IN
2 Department of Horticulture, BhiarAgriculturalUniversity, Sabour, Bhagalpur Bihar, IN

Source

The Asian Journal of Horticulture, Vol 8, No 2 (2013), Pagination: 568-571

Abstract

An experiment was carried out during Rabi 2006-07 and 2007-08 at Bihar Agricultural College, Sabour to find out the effect of inorganic fertilizers and bio fertilizers on dry matter yield per plant and NPK-uptake by plant from soil. Five levels of inorganic fertilizers (F1-N80 P40K40, F2 - N120 P60K60, F3- N160 P80 K80 F4 - N200 P100 K100 and F5 - N240 P120K120) and five treatments of bio fertilizers (M1-O, M2- Azotobacter, M3 - Azospirillum, M4 - VAM and M5 - PSB) were taken. The data of two years were pooled and analysed. The results of the investigation revealed that maximum dry matter production per plant and NPK- uptake by plant from soil was obtained at fertility level of N200 P100 K100. The interaction effect of inorganic fertilizers and bio fertilizers were also found highly significant. The plant grown at fertility level of N200 P100 K100 along with application of Azospirillum as seed and seedlings treatment as well as soil application gave the highest dry matter yield per plant as well as NPK - uptake by plant from the soil.

Keywords

Chemical Fertilizer, Biofertilizer, NPK, Cabbage

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• Citation Analysis of Ph.D. Theses Submitted to the University of Delhi in Social Sciences during 1995-2008

Abstract Views :449  |  PDF Views:17

Authors

K. P. Singh ¹, Bebi ¹, K. C. Garg ²

Affiliations
1 Department of Library and Information Science, University of Delhi, Delhi-110007, IN
2 14 F Vikrant Apartments, Sector 13, Rohini, Delhi 110 085, IN

Source

Journal of Information and Knowledge (Formerly SRELS Journal of Information Management), Vol 51, No 6 (2014), Pagination: 363-368

Abstract

The study presents an analysis of citation pattern of Ph.D. theses in social sciences awarded by the University of Delhi during 1995-2008. The study identifies how the pattern of submissions has changed during 1995-2008 in different disciplines of social sciences, besides studying distribution of citations by document types, pattern of authorship of cited documents, cited Indian and foreign authors and chronological distribution of citations. The ranked lists of core journals also have been presented. The analysis reveals that 51,889 citations were made to 259 theses in social sciences. The analysis of these citations shows that books are the most preferred source of citations in all disciplines except economics and constitutes about 55.5% of total citations. The authorship pattern reveals that single authored citations constitute about 86 per cent citations. The chronological distribution of citations shows that the period ranging from 1991 to 2000 is the most cited period. The analyses of journals ranking shows that Economic and Political Weekly published from India is the most cited journal.

Keywords

Citation Analysis, Social Science, Ph.D. Theses, University of Delhi, Journal Ranking.

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• Seed Fertility Studies in Anogeissus Latifolia

Abstract Views :246  |  PDF Views:0

Authors

Ombir Singh ¹, Dinesh Kumar Meena ², K. P. Singh ³

Affiliations
1 Silviculture Division Forest Research Institute, Dehradun - 248006, IN
2 Rain forest Research Institute, Jorhat, Assam, IN
3 Entomology Division, Forest Research, Dehradun, IN

Source

Indian Forester, Vol 141, No 5 (2015), Pagination: 479-483

Abstract

The seeds of Anogeissus latifolia mature in second fortnight of March each year when the seed moisture content is around 12 per cent and colour of fruits turns to blackish green. Seeds are about 95% empty when collected from the trees. The germination percentage of seeds is only 1-2 per cent; however 50% seeds are sound and viable. Seeds can easily be stored at 150 C in refrigerator in polythene bags at a moisture content of 9 per cent with slight decrease in viability up to two years. In addition to infertility/emptiness of seeds insect problem was also studied using entomological inputs. To control insect attack on fruits/seeds of A. latifolia, systemic insecticides were applied in the trees in the field and after six months of insecticide application seeds were collected from treated and untreated trees and tested in laboratory. The results showed that the number of half filled seeds was increased (about 10%) over the seeds of untreated trees; however, there was no significant increase in number of filled seeds. Increase in half filled seeds of treated trees shows the effect of systemic insecticides on the suspected insect attack in the seeds of the species. These observations showed that infertility problem in the seeds of A. latifolia are related with the insect infestation and needs further detail studies.

Keywords

Anogeissus Latifolia, Infertility, Seed Maturity, Seed Germination, Seed Storage.

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• Role of Provenance Trials in the Study of Population Differentiation

Abstract Views :168  |  PDF Views:99

Authors

R. ¹, K. P. Singh ¹, J. S. Singh ²

Affiliations
1 Banaras Hindu University, Varanasi, IN
2 Kurukshetra University, Kurukshetra, IN

Source

Nelumbo - The Bulletin of the Botanical Survey of India, Vol 10, No 3-4 (1968), Pagination: 312-318

Abstract

Wide distribution of many Linnean species across climatic, edaphic and biotic barriers may be either due to a wide ecological amplitude of the species as such, or to the presence of a number of distinct local populations, well adapted to the respective ecoclimates. These populations may show continuous variation along an envirormental gradient (ecocline) or discontinuous variation (ecotypes). The morphological or physiological adaptive characters are genetically fixed. Although a number of genecological techniques have been developed in the recent past, to differentiate such ecologic populations, the provenance trial technique has gained much importance. In the present communication the technique as well as some important results obtained through its use, both within and outside India, have been briefly discussed.

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• On the Species of Buellia and Diplotomma from Manipur, India

Abstract Views :182  |  PDF Views:124

Authors

K. P. Singh ¹, S. P. Singh ²

Affiliations
1 Botanical Survey of India, Shillong, IN
2 Department of Botany, Jai Narain Degree College, Lucknow, IN

Source

Nelumbo - The Bulletin of the Botanical Survey of India, Vol 26, No 1-2 (1984), Pagination: 62-64

Abstract

The paper reports the occurrence of 15 species of Buellia and 5 species of Diplotomma from Manipur, India. Out of these, 2 species viz.-Buellia conspirans and Diplotomma chlorophaea are new records for India and therefore, are described in detail. Diplotomma chlorophaea is made a new combination. A key to the all species is also provided to facilitate their identification in the area.

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• Lichen Genus Phaeographis from India and Sri Lanka

Abstract Views :202  |  PDF Views:127

Authors

K. P. Singh ¹, D. D. Awasthi ¹

Affiliations
1 Botanical Survey of India, Howrah, IN

Source

Nelumbo - The Bulletin of the Botanical Survey of India, Vol 21, No 1-4 (1979), Pagination: 97-120

Abstract

The paper deals with 28 species of the genus Phaeographis occurring in India and Sri Lanka (Ceylon). Two new species-P. nilgiriensis, P. hypoglaucoides-and two new varieties-P. platycarpa var. indica and P. marcescens var. megaspora-have been described. Graphis extrusula Stirt. has been reduced to a variety of Phaeographis extrusa (Stirt.) Zahlbr. and P. megistocarpa f. rotundata Leight. has been considered conspecific to P. megistocarpa (Leight) Mull.-Arg.

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• Two Parmeliae (Lichens) New to India

Abstract Views :149  |  PDF Views:108

Authors

K. P. Singh ¹

Affiliations
1 Botanical Survey of India, Howrah, IN

Source

Nelumbo - The Bulletin of the Botanical Survey of India, Vol 20, No 1-4 (1978), Pagination: 173-173

Abstract

No Abstract.

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• Studies on Lichens in Botanical Survey of India

Abstract Views :181  |  PDF Views:113

Authors

K. P. Singh ¹

Affiliations
1 Botanical Survey of India, Howrah, IN

Source

Nelumbo - The Bulletin of the Botanical Survey of India, Vol 19, No 1-4 (1977), Pagination: 307-308

Abstract

No Abstract.

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• Demographic Characteristics of Agricultural Scientists in India: A Study

Abstract Views :302  |  PDF Views:14

Authors

K. P. Singh ¹

Affiliations
1 Department of Library and Information Science, University of Delhi, IN

Source

Journal of Information and Knowledge (Formerly SRELS Journal of Information Management), Vol 52, No 5 (2015), Pagination: 365-370

Abstract

The paper is an outcome of the research study on demographic characteristics of agricultural scientists working in the ICAR institutions of Delhi and Punjab Agricultural University, Ludhiana'. Data has been collected through a structured questionnaire. The study discusses the various attributes of agricultural scientists such as gender, age, designation, field of specialisation, purpose of research, etc agricultural scientists. The study found that out of 375 respondents more than 89 percent respondents were to male and the while remaining 11 percent were female.

Keywords

Agricultural Scientists, Demographic Characteristics.

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• A New Approach for Detection of Hidden Aquifer Using DC Resistivity Data Transforms

Abstract Views :214  |  PDF Views:2

Authors

K. P. Singh ¹

Affiliations
1 National Geophysical Research Institute, Uppal Road Hyderabad 500 007, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 61, No 5 (2003), Pagination: 540-548

Abstract

Direct current resistivity is most commonly used as a potential tool in finding new resources of groundwater This task is achieved by conducting Schlumberger and Wenner resistivity soundings Usually, no signatures of the presence of a conducting layer/aquifer sandwiched between two resistive layers in hard rock regions are observed in apparent resistivity curves In such a difficult situation, detection of hidden aquifer employing one dimensional conventional approach of interpretation becomes a tedious job A new non conventional method based on apparent resistivity data transforms is attempted to overcome these difficulties Assummg as many layers as the number of observations, and apparent resistivities as true resistivities, ratio of transverse resistance of the layer to total transverse resistance of all overlying layers (QOT) and ratio of longitudinal conductance of the layer to total longitudinal conductance of overlying layers (QLC) are computed The plots of QLC and QOT against half current electrode spacing on bilogarithmic graph show sharp contrast at interfaces of layers As a result, useful information about thicknesses of layers is extracted from these curves for inversiOn of observed data The efficiency of this approach is tested on synthetic data and finaally it is applied on fleld data to delineate hidden aquifer and to enhance the resolution of model parameters in interpretatiOn This approach is found very useful to Identify the hidden aquifer when no a priori informatIOn IS available.

Keywords

Hidden Aquifer, Apparent Resistivity, Transverse Resistance, Longitudinal conductance, Resistivity Sounding Data Transforms.

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• An Integrated Geophysical Approach for Groundwater Prospecting: A Case Study from Tamil Nadu

Abstract Views :189  |  PDF Views:2

Authors

S. B. Singh ¹, Jimmy Stephen ¹, Y. Srinivas ¹, U. K. Singh ¹, K. P. Singh ¹

Affiliations
1 National Geophysical Research Institute, Hyderabad - 500 007, IN

Source

Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 59, No 2 (2002), Pagination: 147-158

Abstract

Delineation of groundwater resources in hard rock terrains is one of the important topics to be treated with a more advanced approach than simple one-dimensional attitude, particularly when looking for deeper water saturated horizons. The present study introduces an integrated geophysical approach to identify structural features such as fractures, weak zones and intrusive dyke bodies, which can control and host potable groundwater at greater depths. The study is conducted in an area of about 8 km² along east coast of Tamil Nadu, which has been identified as a major rainshadow zone. Geophysical measurements were carried out in very closely spaced grids making use of resistivity, magnetic and electromagnetic techniques. The sensitivity of each technique to different rock properties in varying directions has been considered to resolve the problem. A major weak zone running in SW-NE direction is demarcated which is characterised by many intrusive dyke bodies. The conductivity distributions at different depths throw light on many structural features. The varying thickness of weathered rock calculated from the Horizontal Loop Electromagnetic (HLEM) and Deep Resistivity Sounding (DRS) studies for the entire area reflects the extension of weathering associated with dyke emplacements. Geo-electrical sections obtained through DRS studies, concentrated mainly along the weak zone have shown the occurrence of potable groundwater resource controlled by structural features.

Keywords

Integrated geophysics, Groundwater, Hardrock Terrain, Deep Resistivity sounding, Horizontal Loop Electromagnetics (HLEM), Magnetic Method, Tamil Nadu.

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• Phenology of Maize (Zea mays L.) and Associated Weeds as Influenced by Tillage and Weed Control Methods under Mid-Hill Conditions of North West Himalayas

Abstract Views :271  |  PDF Views:98

Authors

P. Chopra ¹, N. N. Angiras ¹, S. Kumar ¹, K. P. Singh ¹

Affiliations
1 Department of Agronomy Forages and Grassland Management, Department of Biology and Environmental Sciences, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur (H.P.) - 176 062, IN

Source

Journal of Ecophysiology and Occupational Health, Vol 13, No 3-4 (2013), Pagination: 13-19

Abstract

A field study was conducted on silty clay loam soils to study the effect of tillage and weed control methods on phenology of maize and associated weeds and their influence on the production of crop. The results revealed that irrespective of tillage and weed control methods, Digitaria sanguinalis, Echinochloa colona and Panicum dichotomiflorum and sedge (Cyperus iria) emerged earlier by 4-8 days than maize crop resulting more competition in the initial stages of growth. Commelina benghalensis emerged and senescenced almost along with the crop. While all other weeds flowered at tasseling stage of the maize crop, Echinochloa colona and Panicum dichotomiflorum flowered 7-8 days earlier to this stage. Senescence of almost all the weeds except Commelina benghalensis occurred 15-25 days earlier than the maize crop. Zero tillage resulted in significantly early emergence of the crop by 4-5 days over other tillage methods but the emergence of grass weeds was not affected significantly. Appearance of all the phenophases of the crop and associated weeds was initiated early in zero till plots as compared to raised seed bed and conventional tilled plots resulting in reduction in grain yield of maize by 13.7 and 16.9 per cent over raised seed bed and conventional tillage. Effective control of weeds with atrazine 1.5 kg/ha and acetachlor 1.25 kg/ha delayed the emergence and appearance of different phenophases of weeds than the crop resulting in 75.2 and 71.7 percent average increase in grain yield of maize, respectively over unweeded check.

Keywords

Acetachlor, Atrazine, Emergence, Raised Seedbed, Senescence, Zero Tillage, Phenology.

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• Efficacy of Trichoderma viride in Controlling the Loose Smut of Wheat Caused by Ustilago segetum Var. Tritici at Multilocation

Abstract Views :207  |  PDF Views:113

Authors

D. P. Singh ¹, S. Nagarajan ¹, L. B. Goel ¹, D. Singh ², J. Kumar ¹, D. V. Singh ³, Amerika Singh ⁴, K. D. Srivastava ³, R. Aggarwal ³, M. S. Beniwal ⁵, A. N. Tewari ⁴, K. P. Singh ⁴, A. S. Grewal ⁶

Affiliations
1 Directorate of Wheat Research (ICAR) Post Box No. 158, Karnal 132001, Haryana, IN
2 IARI RS, Karnal, IN
3 IARI, New Delhi, IN
4 GBPUAT, Pantnagar, IN
5 CCHHAU, Hisar, IN
6 PAU, Ludhiana, IN

Source

Journal of Biological Control, Vol 14, No 1 (2000), Pagination: 35-38

Abstract

The application of Trichoderma viride on loose smut infected seeds (Ustilago segetum var. tritici) or in soil, reduced the smutted tillers up to 17.5 per cent. However, treatment of T. viride alone was not as effective as carboxin seed treatment in the control of loose smut. Maximum reduction was observed in dry seed treatment with antagonist as well as seed treatment plus soil application. The effect of T. viride was more prominent in the seed lot having lower level of loose smut infection. Application of T. viride along with half dose of carboxin was however. found as effective as full recommended dose of carboxin (2.5 g/kg of seed). Soaking of seeds in tap water for 24h also reduced tbe incidence of loose smut by 15.4 per cent.

Keywords

Biocontrol, Loose Smut, Trichoderma viride, Uslilago segetumvar.Tritici..

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• Efficacy of Extracts of Tagetes Minuta Against Poplar Defoliator- Clostera cupreata (lepidoptera: Notodontidae)

Abstract Views :187  |  PDF Views:0

Authors

K. P. Singh ¹, M. Yousuf ¹

Affiliations
1 Entomology Division, Forest Research Institute, Dehradun, Uttarakhand, IN

Source

Indian Forester, Vol 142, No 3 (2016), Pagination: 260-263

Abstract

Clostera cupreata (Lepidoptera: Notodontidae) is serious defoliator of poplar. Out of four extracts (TMPE, TMA, TMM and TMW) of Tagetes minuta, two extracts,TMM and TMA were found effective at 1% concentration after 72 hrs. for the control of poplar defoliator- Clostera cupreata. Bioassay experiments of effective extracts were carried out using 0.0625, 0.125, 0.25, 0.50, 1.00, 1.50 and 2.00% concentrations. It was found that extract, TMM caused 50.00% average larval mortality at 2.00% concentration after 72 hrs. of exposure of C. cupreata. Whereas extract, TMA at the same concentration and time exposure caused46.66% average larval mortalityof C. cupreata.

Keywords

Clostera cupreata, Tagetes Minuta, Lepidoptera, Notodontidae.

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• Intrusion Detection System for Protection against Packet Dropping Attack on Distributed Information System in any Organization

Abstract Views :140  |  PDF Views:2

Authors

K. P. Singh ¹, Yogesh Chaba ², Gaurav Lodha ³, Yudhvir Singh ²

Affiliations
1 JNU, Jodhpur, IN
2 Department of CSE, GJ University of Science & Technology, Hisar, IN
3 JNU Jodhpur, IN

Source

Networking and Communication Engineering, Vol 3, No 7 (2011), Pagination: 510-513

Abstract

Intrusion detection is the method in which the events happening in a computer system or network are monitored and analyzed for signs of possible incidents, which may be threats of violation of information security policies or standard security practices. Intrusion prevention system makes an attempt to stop detected possible incidents which are threat to security. Intrusion detection and prevention system (IDPS) primarily focuses on detection and prevention of possible incidents which are threat to information security. In this paper a defence against packet dropping attack on Distributed Information System is designed in the form of Intrusion Detection System. Two techniques are implemented for prevention against selfish node intrusion: Enabling Broadcasting (EB) and Selective Multicast Addressing (SMA). EB is a cost-effective intrusion detection and prevention solution to the packet dropping using broadcasting method. The SMA is a solution that limits the number of active addresses flowing i.e. selective multicasting or selective multicast addressing, for an access link in order to find out multiple path for destination node. Performance is evaluated for different parameters and it is found that the proposed system of intrusion detection gives much better performance.

Keywords

Broadcasting, IDS, Intrusion, Information, Security.

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• Effect of Maternal Deprivation and Subsequent Nutritional Rehabilitation on Body Growth, Brain Size and Brain Biochemical Composition of Developing New Born Rats

Abstract Views :150  |  PDF Views:0

Authors

K. P. Singh ¹, A. K. Sanyal ¹

Affiliations
1 Clinical Research Unit (H), Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, IN

Source

The Indian Journal of Nutrition and Dietetics, Vol 40, No 11 (2003), Pagination: 398-410

Abstract

Studies of severe protein calorie malnutrition in children during early infancy have suggested that brain size and intellectual development suffer a degree of damage that is refractory to subsequent rehabilitation. Results of these studies are very difficult to interpret because of the interaction of antecedent and subsequent cultural, environmental and nutritional determinants. On the contrary, reliable information can be gathered from the animal studies where more precise control are possible for determining the relationship between the plain of nutrition and brain development in early life.

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• Seed Production Technique of Onion

Abstract Views :249  |  PDF Views:0

Authors

Ashish Ranjan ¹, Mahender Pal ¹, K. P. Singh ¹

Affiliations
1 Krishi Vigyan Kendra, Arwal (Bihar), IN

Source

Rashtriya Krishi (English), Vol 11, No 1 (2016), Pagination: 6-9

Abstract

Onion (Allium cepa L.) is most important vegetable crops grown and consume in India. Onion is used as salad and is cooked in various way in curries, fried, boiled, used in soup making, pickles etc. It is used as fresh and dehydrated forms and has many medicinal properties. Onion is export oriented crops earning valuable foreign exchange for the country.

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• Evaluation of Cultivars of Strawberry, a Temperate Fruit for its Adaptability as well as Productivity in Sub-Tropical Agro-Climatic Condition of Supaul District in Bihar

Abstract Views :153  |  PDF Views:1

Authors

A. K. Das ¹, K. P. Singh ¹, B. Prasad ¹, Ravindra Kumar ¹

Affiliations
1 Bihar Agricultural University, Sabour, Bhagalpur (Bihar), IN

Source

The Asian Journal of Horticulture, Vol 10, No 2 (2015), Pagination: 278-281

Abstract

The findings of a field trial conducted in 2012-13 and 2013-14 to assess different cultivars of strawberry in Supaul district of Bihar revealed that short day cultivars were more tolerant to insect pests than day neutral cultivars, particularly in later stage of fruit development leading to record higher yield. It was also revealed that a suitable micro-climate was required for optimum plant growth, higher crop yield and the best quality fruits. Festival was found to be the best performing variety in respect of weight per fruit, yield and marketable fruit quality having maximum growth, plant height (21.34cm), flowering duration (60.09 days), fruiting duration (55.62 days) and yield (15.26 tons/ha).

Keywords

Strawberry, Festival, Camarosa, Sweet Charlie.

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• Varietal Performance of Tuberose in Muzaffarnagar under Western Plain Zone Condition

Abstract Views :144  |  PDF Views:0

Authors

Satya Prakash ¹, J. K. Arya ², R. K. Singh ³, K. P. Singh ⁴

Affiliations
1 Krishi Vigyan Kendra, Saharanpur (U.P.), IN
2 Department of Agronomy, Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.), IN
3 Department of Horticulture, C.C.R. P.G. College, Muzaffarnagar (U.P.), IN
4 Directorate of Floriculture Research, ICAR, New Delhi, IN

Source

The Asian Journal of Horticulture, Vol 10, No 1 (2015), Pagination: 149-152

Abstract

A field experiment was conducted on the varietal performance of tuberose in Muzaffarnagar Under Western Plain Zone condition at Krishi Vigyan Kendra campus and farmers field in 2013 and 2014. The experiment was jointly organised with Directorate of Floriculture Research Institute, I.C.A.R., New Delhi. The study revealed that the Prajwal variety perform batter in comparison to other variety. Prajwal variety highest length of spike (111cm), rachis length (31.53cm), number of Florate (60.33) and diametre of spike (12.92mm) and minimum rachis length (20.22cm) number of Florates (40.40) and diametre of spike (3.70mm) in Mexican single. Which was significantly lower in comparison to variety Prajwal?

Keywords

Tuberose, Varietal Performance, Varieties, Spikes, Clumb.

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• Radiation Induced Variability and Gene Effects for Polygenic Traits in Ricebean (Vigna umbellata Thunb, Ohwi and Ohashi)

Abstract Views :213  |  PDF Views:0

Authors

Madhu Patial ¹, Abhishek Chauhan ², Ritu Sood ³, K. P. Singh ³

Affiliations
1 Indian Agricultural Research Institute, Regional Station, Shimla (H.P.), IN
2 Amity University, Noida (U.P.), IN
3 Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur (H.P.), IN

Source

Asian Journal of Bio Science, Vol 9, No 1 (2014), Pagination: 53-57

Abstract

The study was conducted to induce variability and to identify the important radiation dose for induction of useful variation for maturity, yield and yield attributes. Two varieties of ricebean (BRS-1 and Totru Local) were treated with three different doses of γ-rays (30kR, 40kR and 50kR). Range, mean and co-efficient of variation suggested that the mutagenic treatments had created wide variability. In general, these genetic parameters were higher in M₃ generation than M₂. Both positive and negative shift in mean were observed for all the traits in both the cultivars in both the generations. High heritability coupled with high genetic advance were observed for pods/cluster, seeds/pod and pod length in both BRS-1 and Totru Local indicating that these traits can respond effectively to phenotypic selection. Most of the traits showed significant positive additive and dominance effects at 30 kR dose in both the genotypes indicating the dose to be most effective in inducing variability. Most of the traits showed overdominance suggesting that the selection should be deferred to the later generation so that the additive effects become more pronounced and fixed.

Keywords

γ-Rays, Induced Additive Effect, Induced Dominance Effect, Mutation, Vigna umbellata.

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• Soft X-Ray Focusing Telescope Aboard Astrosat:Early Results

Abstract Views :218  |  PDF Views:79

Authors

K. P. Singh ¹, G. C. Dewangan ², S. Chandra ¹, S. Bhattacharayya ¹, V. Chitnis ¹, G. C. Stewart ³, N. J. Westergaard ⁴

Affiliations
1 Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, IN
2 Inter-University Centre for Astronomy and Astrophysics, Pune 411 007, IN
3 Department of Physics and Astronomy, University of Leicester, Leicester, GB
4 Technical University of Denmark, National Space Institute, DK

Source

Current Science, Vol 113, No 04 (2017), Pagination: 587-590

Abstract

The Soft X-ray focusing Telescope (SXT) is a moderate-resolution X-ray imaging spectrometer supplementing the ultraviolet and hard X-ray payloads for broadband studies of cosmic sources with AstroSat. Well suited for observing bright X-ray sources, SXT observations of nearby active galactic nuclei (AGN), binary star systems with compact companions, active stars, etc. are producing long soft X-ray light curves and high-quality spectra. The strong X-ray variability and multiple spectral components exhibited by SXT observations of nearby Seyfert 1 galaxies show excellent promise to probe accretion disks and central engines in AGN through multi-band variability and spectroscopy.

Keywords

Active Galactic Nuclei, Stars, Supernova Remnants, X-Ray Astronomy.

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References

• Singh, K. P. et al., AstroSat Mission. Proc. SPIE, 9144, Space Telescopes and Instrumentation 2014: UV to Gamma Ray, at Montreal; doi:10.1117/12.2062667 (2014).
• Wolter, H., Grazing incidence mirror systems as imaging optics for X-rays. Ann. Phys., 1952, 10, 94; 286.
• Singh, K. P. et al., In-orbit performance of SXT aboard AstroSat. Proc. SPIE, 2016, 9905, 99051E.
• Singh, K. P. et al., Soft X-ray focusing telescope aboard AstroSat: design, characteristics and performance. J. Astrophys. Astron., 2017, 38, 29.
• Decourchelle, A. et al., XMM-Newton observation of the Tycho supernova remnant. A&A, 2001, 365, L218.
• Lalitha, S. and Schmitt, J. H. M. M., X-ray activity cycle on the active ultra-fast rotator AB Doradus A? Implication of corrected coronal and photometric variability. A&A, 2013, 559, A119.

• Multi-Colour Hues of the Universe Observed with AstroSat

Abstract Views :214  |  PDF Views:78

Authors

K. P. Singh ¹, D. Bhattacharya ²

Affiliations
1 Department of Astronomy and Astrophysics, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400 005, IN
2 Inter-University Centre for Astronomy and Astrophysics, Post Bag 4, Ganeshkhind, Pune 411 007, IN

Source

Current Science, Vol 113, No 04 (2017), Pagination: 602-609

Abstract

India's space astronomy observatory AstroSat was launched on 28 September 2015, carrying instruments to observe cosmic sources over a large spectral band, from optical/UV to hard X-rays. The mission, with all its payloads, has been operating successfully since its launch. After an initial period of performance verification and calibration, the satellite is now in full science operation. This article gives a brief introduction about the capabilities of the mission and presents some of the early science results.

Keywords

Active Galaxies, Cosmic Sources, Multi-Wavelength Astronomy, Multi-Colour Hues, Supernova Remnants.

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References

• Singh, K. P. et al., ASTROSAT mission. In Proceedings of SPIE, Space Telescopes and Instrumentation 2014: UV to Gamma Ray (eds Takahashi, T., den Herder, J.-W. A. and Bautz, M.), 2014, vol. 9144, pp. 91441S-1 to S-15 Montreal; doi: 10.1117/12.2062667.
• Bhalerao, V. et al., The cadmium zinc telluride imager on AstroSat. JApA, 2017, 38, 31–40.
• Ramadevi, M. C. et al., Early in-orbit performance of scanning sky monitor onboard AstroSat. J. Astrophys. Astr, 2017, 38, 32–34.
• Singh, K. P. et al., In-orbit performance of SXT aboard AstroSat. In Proceedings of SPIE, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray (eds den Herder, J.-W. A., Takahashi, T. and Bautz, M.), 2016, vol. 9905, pp. 99051E-1 to E-10; doi:10.1117/12.2235309.
• Singh, K. P. et al., Soft X-ray focusing telescope aboard AstroSat: design, characteristics and performance. J. Astrophys. Astr., 2017, 38, 29.
• Subramaniam, A. et al., In-orbit performance of UVIT on ASTROSAT. In Proceedings of SPIE, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray (eds den Herder, J.-W. A., Takahashi, T. and Bautz, M.), 2016, vol. 9905, pp. 99051F-1 to F-10; doi:10.1117/12.2235271 (arxiv: 1608.01073).
• Tandon, S. N. et al., In-orbit performance of UVIT and first results. J. Astophys. Astr., 2017, 38, 28.
• Vadawale, S. V. et al., In-orbit performance AstroSat CZTI. In Proceedings of SPIE, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray (eds den Herder, J.-W. A., Takahashi, T. and Bautz, M.), 2016, vol. 9905, pp. 99051G-1 to G-11.
• Yadav, J. S. et al., In Proceedings of SPIE Space Telescopes and Instrumentation 2016a: Ultraviolet to Gamma Ray (eds den Herder, J.-W. A., Takahashi, T. and Bautz, M.), 2016, vol. 9905, pp. 99051D; doi:10.1117/12.2231857.
• Subramaniam, A. et al., A hot companion to a blue straggler in NGC 188 as revealed by the ultra-violet imaging telescope (UVIT) on AstroSat. ApJL, 2016, 833, L27–L31.
• Tandon, S. N., Ghosh, S. K., Hutchings, J., Stalin, S. and Subramaniam, A., Ultraviolet Imaging Telescope (UVIT) on AstroSat. Curr. Sci., 2017, 113(4), 583–586.
• Chattopadhyay, T., Vadawale, S. V., Rao, A. R., Sreekumar, S. and Bhattacharya, D., Prospects of hard X-ray polarimetry with Astrosat-CZTI. Experiment. Astr., 2014, 37, 555–577.
• Rao, A. R. et al., AstroSat CZT imager observations of GRB 151006A: timing, spectroscopy, and polarization study. ApJ, 2016, 833, 86–95.
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• Misra, R. et al., AstroSat/LAXPC observation of Cygnus X-1 in the hard state. ApJ, 2017, 835, 195–200.
• Singh, K. P., Dewangan, G. C., Chandra, S., Bhattacharayya, S., Chitnis, V., Stewart, G. C. and Westergaard, N. J., Soft X-ray focusing telescope aboard AstroSat: early results. Curr. Sci., 2017, 113(4), 587–590.
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• Fesen, R. A., Kwitter, K. B. and Downes, R. A., H-alpha images of the Cygnus Loop – a new look at shock-wave dynamics in an old supernova remnant. AJ, 1992, 104, 719–724.
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• Capturing the Cosmic Light:A Handbook of Astrophotography

Abstract Views :366  |  PDF Views:90

Authors

K. P. Singh ¹

Affiliations
1 IISER, Mohali 28-A, Bank Colony, Patiala 147 001, IN

Source

Current Science, Vol 114, No 05 (2018), Pagination: 1120-1120

Abstract

Astrophotography is a great way to learn about astronomy as I am yet to meet a person who is not fascinated by gazing at the sky and wondering about it. It is a way of not just seeing, but also recording what one sees for oneself and for the others. It is what makes people, specially young students into amateur astronomers, if not into professional ones.

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• Noninvasive Assessment of Gastrointestinal Parasites Infection in Free-Ranging Wild Herbivores and Adjoining Livestock of Panna Tiger Reserve, Madhya Pradesh, India

Abstract Views :165  |  PDF Views:0

Authors

Abhay Sengar ¹, A. B. Shrivastav ¹, K. P. Singh ¹, Amol Rokde ¹

Affiliations
1 Centre for Wildlife Forensic and Health, Nanaji Deshmukh Veterinary Science University, Jabalpur - 482 001, Madhya Pradesh, IN

Source

Veterinary World, Vol 10, No 7 (2017), Pagination: 748-751

Abstract

Aim: This study was conducted to know the epidemiology of gastrointestinal parasites of free-ranging wild herbivores and adjoining livestock of Panna Tiger Reserve, Madhya Pradesh, India.

Materials and Methods: A total of 374 fecal samples from wild herbivores (Chital Axis axis - 123, Sambar Rusa unicolor - 94, Nilgai Boselaphus tragocamelus - 86, and Chinkara Gazella bennettii - 71) and 284 fecal samples of domestic herbivores (cattle - 118, buffalo - 78, and goat - 88) were collected from common grazing land and adjoining area of tiger reserve. Detailed coprological examination for the presence of parasitic eggs/oocysts by direct smear examination, standard sedimentation, and floatation techniques was performed.

Results: Fecal samples (n=374) of four different species of wild herbivores were screened. Out of which, 55.61% (n=208) were positive for parasitic infection. Among them, 13.10% (n=49) were positive for mixed parasitic infection of two or more parasite and 42.5% (n=159) were found positive for single parasitic infection. A total of 284 fecal samples of domestic animals were screened from adjoining areas of the tiger reserve. Out of which, 66.54% (n=189) were positive for parasitic infections, out of which 19.71% (n=56) were positive for mixed infection of two or more parasites, and 46.83% (n=133) were found positive for single parasitic infection.

Conclusion: Wild herbivores at Panna Tiger Reserve were exposed to parasites including some that are known to be pathogenic; majority of wild animals had mixed infection of Eimeria spp., Trichuris spp., Moniezia spp., Amphistome, Strongyloides spp., Balantidium spp., and Fasciola spp.

Keywords

Free Ranging Wild Herbivores, Gastrointestinal Parasites, Panna Tiger Reserve.

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• Thermoacoustical Properties of PEG With Alkoxy Ethanols

Abstract Views :131  |  PDF Views:0

Authors

K. P. Singh ¹, H. Agarwal ¹, V. K. Shukla ¹, M. Yasmin ¹, M. Gupta ¹, J. P. Shukla ¹

Affiliations
1 Department of Physics, University of Lucknow, Lucknow-226007, IN

Source

Journal of Pure and Applied Ultrasonics, Vol 31, No 3 (2009), Pagination: 124-130

Abstract

The ultrasonic velocity, density and viscosity of binary mixtures of 2-butoxyethanol with PEG200 and PEG 400 were measured at 293, 303 and 313 K over the entire range of composition. Using these experimental data, various thermo-acoustic parameters such as deviation in isentropic compressibility (Δk_s), excess molar isentropic compressibility (K^E_s), excess molar volume (V^E_m) , and molar refractive deviation (ΔR_m) have been calculated and fitted to Redlich-Kister polynomial equation. The deviation / excess parameter were plotted against the mole fraction of 2- butoxyethanol over the whole composition range. The values of (ΔK_s), (V^E_m) and (ΔR_m) are found to be negative and constantly become more negative for mixtures with PEG 400 independently of the solvents. The partial molar isentropic compressibility and excess partial molar isentropic compressibility at infinite dilution have been evaluated. The results of partial molar isentropic compressibility at infinite dilution supports the presence of strong intermolecular interactions between unlike molecules and more pronounced interaction in the mixture of 2-butoxyethanol with PEG 400. The results of density, ultrasonic velocity and refractive index measurement were also fitted to a second order polynomial equation with respect to mole fraction of 2-butoxyethanol.

Keywords

Ultrasonic Velocity, Density, Viscosity, Excess Thermodynamic Parameters.

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• Comparative Study of Blending N-Haxane and Di-Ethyl Ether (DEE) on Ignition Delay of Diesel Engine

Abstract Views :230  |  PDF Views:0

Authors

Rahul Agrawal ¹, B. N. Agrawal ², Vinod Sherawat ¹, K. P. Singh ²

Affiliations
1 NGFCET, Palwal (Haryana), IN
2 Delhi College of Technology and Management, Palwal (Haryana), IN

Source

Invertis Journals of Science & Technology, Vol 8, No 3 (2015), Pagination: 154-157

Abstract

Compression ignition engines have high thermodynamic efficiency therefore they have always been the first choice for heavy duty vehicles. However, future emission regulation poses a challenge for upcoming diesel engine combustion systems. Future emission regulations are becoming more restrictive, forcing engine designers towards lower exhaust emissions and better performance. The analysis is focused on direct injection Diesel engines, where the fuel-air mixing process plays a dominant role on engine performance. Only with a good understanding of these phenomena it will be possible to reduce the emission levels without impairing the engine performance and efficiency. all the four blends of hexane have higher value of ignition delay than the pure diesel for the entire range of temperature and also various pressures (10, 15, 20 and 25 bar). the variation of ignition delay for the Hexane blended diesel fuel with air temperature being varied from 583-663 K. The effect of percentage of n-hexane blends shows as increasing the percentage of n-hexane blends the ignition delay is also increased for pressure 10 to 25 bar. the variation of ignition delay of 20% and 30% DEE blends is much higher than the 10% and 20% DEE blends or 30% and 40% of DEE blends. In this case the percentages of blends of DEE is increases the ignition delay is decreased while the result is opposite in the n-hexane blends.

Keywords

n-Hexane, n-DEE, Blending, Ignition Delay.

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• Experimental Investigations to Study Tool Wear During Turning of Alumina Reinforced Aluminium Composite

Abstract Views :157  |  PDF Views:0

Authors

Parul Srivastava ¹, Shashank Dubey ¹, K. P. Singh ¹

Affiliations
1 Delhi College of Technology and Management, Palwal, Haryana, IN

Source

Invertis Journals of Science & Technology, Vol 8, No 3 (2015), Pagination: 158-167

Abstract

Metal matrix compositions (MMC) have become a leading materials and particles reinforced aluminum MMCs have received considerable attention due to their excellent mechanical properties like high hardness, high tensile strength etc. These materials difficult to machine because of high hardness and abrasive nature of reinforcing elements like alumina particles. In this study, homogenized (2%, 4%, and 6%) by weight of alumina aluminum metal matrix composite materials were fabricated and selected as workpiece for experimental investigations of tool wear, surface roughness and metal removal rate. The titanium nitride coated tungsten carbide tool and uncoated tungsten carbide tools were used at different cutting speeds (265, 400, 535 rpm), feed rate (0.29, 0.32, 0.35 mm/rev.), and depth of cut (1.0, 1.5, 2.0 mm). The microstructures and mechanical properties of produced composite specimens have been investigated. It has been observed that increase of reinforcement element produced better mechanical properties such as hardness and tensile strength. The turning experiments were planned by taguchi method. The obtained experimental data has been analyzed using signal to noise ratio and ANOVA. The main effects have been discussed and percentage contribution of various process parameters speed, feed, depth of cut and concentration effecting tool wear, surface roughness and metal removal rate have been determined. Empirical relations by regression have been developed to predict the tool wear, surface roughness and material removal rate as a function of considered process parameters.

Keywords

Composite Material, Tool Wearing and Reinforced.

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• Yield Prediction in Wheat (Triticum aestivum L.) using Spectral Reflectance Indices

Abstract Views :184  |  PDF Views:75

Authors

N. S. Chandel ¹, P. S. Tiwari ¹, K. P. Singh ¹, D. Jat ¹, B. B. Gaikwad ¹, H. Tripathi ¹, K. Golhani ¹

Affiliations
1 ICAR-Central Institute of Agricultural Engineering, Bhopal - 462 038, IN

Source

Current Science, Vol 116, No 2 (2019), Pagination: 272-278

Abstract

Influence of nitrogen on vegetative growth of wheat is significant, and can be monitored and assessed using vegetation indices derived from canopy reflectance at different phenological growth stages. The aim of the present work was to establish a regression model for yield prediction of wheat using spectral reflectance indices (SRIs), normalized difference nitrogen index (NDNI), normalized difference vegetation index (NDVI), normalized difference water index (NDWI) and soil adjusted vegetation index (SAVI) for selected phenological growth stages of wheat. The canopy spectral reflectance was recorded during three winter seasons (2014–2017) for irrigated wheat. A hyperspectral library of canopy reflectance was developed, which enables the study of spectra independent of different nitrogen management practices. It indicated that the precise level of nitrogen for irrigated wheat may be 90 kg ha^-1 in vertisols under agro-climatic of central India. Coefficient of variation (CV) was determined based on significance test between eight levels of nitrogen and SRI values. On the basis of CV, NDVI and NDWI were selected among the four spectral indices for the study of correlation between grain and biomass yields and nitrogen levels for four growth stages, viz. tillering, booting, heading and milking. A regression model was developed to find the best representative stage for yield prediction among the four stages. The regression model indicated that the relations of NDVI with grain and biomass yields were stronger in the heading stage, and it resulted in 96% accurate estimation of grain and biomass yields in irrigated wheat.

Keywords

Nitrogen Management, Spectral Reflectance, Vegetation Indices, Wheat, Yield Estimation.

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References

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• Research in Library and Information Science in the University of Delhi (1957-2018):An Analytical Study

Abstract Views :277  |  PDF Views:13

Authors

K. P. Singh ¹, Nandi Negi ²

Affiliations
1 Department of Library and Information Science, University of Delhi, North Campus, Delhi - 110007, Delhi, IN
2 Mewar University, Chittorgarh, Rajasthan and Agriculture Economic Research Centre (AERC), University of Delhi, New Delhi - 110021, Delhi, IN

Source

Journal of Information and Knowledge (Formerly SRELS Journal of Information Management), Vol 57, No 2 (2020), Pagination: 105-110

Abstract

The paper examines the research output of the University of Delhi in the field of Library and Information Science. The data was collected through the official records available in the Department/University. Study finds that 263 doctoral and M. Phil research degrees have been awarded by the Department during 1957-2018.

Keywords

LIS Research, Research Productivity, University of Delhi.

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References

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• Chinnadurai, D and Suresh, B. (2016). A Study on doctoral research output in library and information science in India during 2010-2014: With special reference to Association of Indian Universities (AIU). International Research: J. Lib. Inf. Sci., 6(4), 652-63.
• Dhiman, A. K. (2011). Research output in LIS: A bibliometric study of Ph.Ds awarded in India during 2006-2010. PEARL: J. Lib. Inf. Sci., 5(4), 40-62.
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• Kumar, P. S. G. (1998b). Doctoral studies in library and information science in India: A study. DESIDOC J Lib. Inf. Technol., 18(1), 5-9. https://doi.org/10.14429/dbit.18.1.3381.
• Kumar, P. S. G. (1998c). Guest editorial: Special issue on research in library and information science. DESIDOC Bulletin of Information Technology, 18(1), 3. https://doi.org/10.14429/dbit.18.1.3381.
• Mondal, S. and Roy, B. K. (2017). Doctoral degree in library and information science in The University of Burdwan during 1984-2015: An analytical study. International Research: J. Lib. and Inf. Sci., 7(4), 735-45.
• Pandita, R. and Singh, S. (2017). Doctoral theses awarded in library and information science in India during 2010-2014: A Study. DESIDOC J. Lib. Inf. Technol., 37(6), 379-86. https://doi.org/10.14429/djlit.37.11097.
• Saini, M. L. (2004). Obituary: Professor Anand Prakash Srivastava. Library Herald, 42(2), 142-43.
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• Ibid.
• Singh, S. P. and Babbar, P. (2014). Doctoral research in library and information science in India: Trends and issues. DESIDOC J. Lib. Inf. Technol., 34(2), 170-80. https://doi.org/10.14429/djlit.34.6019.
• Thavamani, K. (2013). A study of doctoral degrees in library and information science in India: Special reference to Andhra Pradesh. PEARL: J. Lib. Inf. Sci., 7(3), 186-90. https://doi.org/10.5958/j.0975-6922.7.3.026

• Altmetrics Analysis of Top 100 Food Technology Articles: A Study

Abstract Views :289  |  PDF Views:10

Authors

Sapna Verma ¹, K. P. Singh ¹

Affiliations
1 Department of Library and Information Science, University of Delhi, South Moti Bagh, New Delhi − 110007, Delhi, IN

Source

Journal of Information and Knowledge (Formerly SRELS Journal of Information Management), Vol 57, No 4 (2020), Pagination: 207-216

Abstract

Altmetrics is an article level metrics which measures the online attention on academic and non-academic social media. The present study is based on the altmetric analysis of top 100 articles in Food Technology published during 1989-2018. The top 100 articles were downloaded using Web of Science Core Collection and the Altmetrics Score is collected using Altmetric Bookmarklet. The spearman’s correlation test was performed on the collected data to find out the correlation between citation and the altmetric score.

Keywords

Altmetrics, Citations, Correlation, Food Technology

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References

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• Chi, P. S., et al. (2019). Comparing capture, usage and citation indicators: An altmetric analysis of journal papers in chemistry disciplines. Scientometrics, 120: 1461-73. https://doi.org/10.1007/s11192-019-03168-y.
• Gunn, W. (2015). Beyond bibliometrics: Altmetrics reflects information about engagements with more types of scholarly content from more types of consumers. Altmetrics: A Practical Guide for Librarians, Researchers and Academics, p. 83-98. https://doi.org/10.29085/9781783301515.006.
• Hassona, Y., et al. (2019). The online attention to oral cancer research: An altmetric analysis. Oral Diseases, 25(6): 1502-10, https://doi.org/10.1111/odi.13111. PMid: 31033085.
• Heydari, S., et al. (2019). Relationship between Altmetrics and Citations : A study on the highly cited research papers. DESIDOC Journal of Library and Information Technology, 39(4): 169-74. https://doi.org/10.14429/djlit.39.4.14204.
• Holmberg, K. (2015). Altmetrics for information professionals: Past, present and future. Altmetrics for Information Professionals: Past, Present and Future. https://doi.org/10.1016/C2014-0-03379-5.
• Holmberg, K., et al. (2019). What is societal impact and where do altmetrics fit into the equation ? Journal of Altmetrics, 2(1): 1-11. https://doi.org/10.29024/joa.21.
• Kolahi, J., et al. (2019). Altmetric analysis of the contemporary scientific literature in endodontology. International Endodontic Journal, 53, 308-16. https://doi.org/10.1111/iej.13226. PMid: 31566775.
• Konkiel, S. (2013). Altmetrics a 21st-century solution to determining research quality. (Cover Story). Online Searcher.
• Ouchi, A., et al. (2019). Do altmetrics correlate with citations? A study based on the 1,000 most-cited articles. Information Discovery and Delivery, 47(4): 192-202, https://doi.org/10.1108/IDD-07-2019-0050.
• Ravikumar, S. and Baiakmenlang, K. (2018). Tweets of an article and its citation: An altmetric study of most prolific authors. Library Philosophy and Practice. https://digitalcommons.unl.edu/libphilprac/1745/.
• Verma, S. and Margam, M. (2019). An altmetric comparison of highly cited digital library publications of India and China. Annals of Library and Information Studies (ALIS), 66(2): 71-75.
• Wasike, B. (2019). Citations gone #social: Examining the effect of altmetrics on citations and readership in communi cation research. Social Science Computer Review, p.1-18. https://doi.org/10.1177/0894439319873563.
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• Composting for Environmental Safety and Sustainable Crop Production

Abstract Views :98  |  PDF Views:0

Authors

L. L. Somani ¹, S. K. Dadhich ¹, K. P. Singh ¹

Affiliations
1 Department of Agricultural Chemistry and Soil Science, Rajasthan College of Agriculture, UDAIPUR 313001, IN

Source

Indian Science Cruiser, Vol 17, No 4 (2003), Pagination: 31-45

Abstract

Composting is a dynamic microbiological ‘process for converting raw organic wastes into humans. Different methods of Composting and enrichment of compost, eg, enrichment with earth worms have been discussed.

Keywords

No Keywords.

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• Mechanized urea spraying system for balers to enhance the nutritional quality of straw: a step to prevent straw burning

Abstract Views :124  |  PDF Views:63

Authors

Satya Prakash Kumar ¹, Dilip Jat ¹, S. B. N. Rao ², M. Chandrasekharaiah ², K. P. Singh ¹, P. C. Jena ¹

Affiliations
1 ICAR-Central Institute of Agricultural Engineering, Bhopal 462 038, India, IN
2 ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru 560 030, India, IN

Source

Current Science, Vol 123, No 11 (2022), Pagination: 1381-1386

Abstract

A large portion of unused crop residues is burnt in the fields primarily to clear the left-over straw and stubbles after the combine harvest. Studies have reported several ill effects of crop-residue burning on soil orga­nic carbon and fertility, including reduction in productivity in the long term, environmental pollution and human health. It also produces greenhouse gases causing global warming. Rice and wheat produce large amounts of residue in India. Non-availability of labour, the high cost of residue removal from the field and the increasing use of combines in harvesting the crops are the main reasons for burning crop residues in the fields. Rice straw is unsuitable animal feed due to its high silica content and wheat straw for due to its hard stem and difficulty chewing in unchopped form. Using supplements like urea and is feeding straw sprayed with urea improves its nutritive value and intake. We have developed a mechani­zed baler equipped with a urea spraying system for spraying urea during baling operations on crop residues (paddy or wheat straw) to enhance their nutritional value. The developed system was evaluated in combine a harvested wheat residue field and nutritional analysis was performed. The crude protein in untreated wheat straw increased from 3.68% to 10.10% after urea treatment. The metabolizable energy was also found to improve by 3% compared to untreated straw. Thus, urea-treated bales have potential use in dairy farming

Keywords

Combine harvest, crop residues, mechanized straw baler, nutritional value, urea treatment.

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