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Vasanthi, B. G.
- Characterization of Wastelands in Eastern Zone of Karnataka for their Physico Chemical Properties and Use of Agro Industrial Organic Wastes as Nutrient Source
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Authors
Affiliations
1 Nokia L and C, Bengaluru (Karnataka), IN
2 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences (G.K.V.K.), Bengaluru (Karnataka), IN
3 Krishi Vigyan Kendra, Hadonahalli, Bengaluru (Karnataka), IN
1 Nokia L and C, Bengaluru (Karnataka), IN
2 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences (G.K.V.K.), Bengaluru (Karnataka), IN
3 Krishi Vigyan Kendra, Hadonahalli, Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 9, No 1 (2014), Pagination: 16-20Abstract
Physically degraded lands are characterized with high graveliness and low nutrient status resulting in sparse vegetation hence, external supplementation of nutrients is essential for successful vegetation establishment. The soil pH and EC was similar to that of normal soil in degraded lands. However, the organic carbon and nutrient status were low in wastelands with higher BD of 1.62 gcc-1. The evaluation of different organic wastes such as paper mill sludge, sugar mill sludge, distillery sludge and municipal sludge along with FYM as a nutrient source for degraded lands reveled that N and P content was highest in sugar mill sludge followed by municipal sludge while K content and secondary nutrients such as calcium and sulphur were found highest in distillery sludge. In case of micro nutrients high levels of Fe (1550 ppm) and Mn (407 ppm) was observed in paper mill and sugar mill sludge, respectively. The Zn (2329 ppm) and Cu (448.4 ppm) were recorded in municipal sludge. The different organic sources were rated as sugar mill sludge, municipal sludge, distillery sludge, FYM, paper mill sludge.Keywords
Degraded Lands, Organic Sludges, Nutrient Sources.
- Nutrient Rich Organic Wastes as Source of Manure for Establishing Forest Nursery Saplings
Abstract Views :177 |
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Authors
Affiliations
1 Navteq, Manjunathnagar, Bengaluru (Karnataka), IN
2 Department of Soil Science and Agricultural Chemistry, University of Horticultural Sciences, Bagalkot (Karnataka), IN
3 Krishi Vigyan Kendra, Hadonahalli (Karnataka), IN
4 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences (G.K.V.K.) Bengaluru (Karnataka), IN
1 Navteq, Manjunathnagar, Bengaluru (Karnataka), IN
2 Department of Soil Science and Agricultural Chemistry, University of Horticultural Sciences, Bagalkot (Karnataka), IN
3 Krishi Vigyan Kendra, Hadonahalli (Karnataka), IN
4 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences (G.K.V.K.) Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 9, No 1 (2014), Pagination: 103-106Abstract
The large quantities of organic wastes (sludges) generated by industries are plant nutrients. Thus in point of national development, safe disposal of these wastes play a major role. On other hand, rising of sapling in forest nursery has been incurred large production cost due to higher nutrient demand. Thus, nutrient rich organic wastes provide an opportunity to utilize them as nutrient source in place of conventional organic manures. In this context, an attempt was made to utilize nutrient rich organic wastes as source of manure in forest nursery. The various organic wastes collected from different sources were analyzed for their nutrient content. The organic wastes were mixed in the ratio of 1:1:1 and 1:1:2 of sand:soil:organic wastes and then filled into polyethylene bags. Two months native saplings of Acacia auriculiformis, Pterocarpus marsupium, Azadirachta indica, Holoptelea integrifolia and Tectona grandis were planted and growth parameters were monitored at monthly interval. The plants growth varied significantly due to application organic wastes at both the level. The growth was influenced by the wastes in the order of distillery sludge > municipal sludge > sugar mill sludge > FYM > paper mill sludge. In general the wastes at higher level recorded higher growth compared to that of lesser rate. Among the different species selected for the study the height (cm), collar diameter (mm) and bigmass (g) was measured in the order-Azadirachta indica > Acacia auriculiformis > Tectona grandis > Holoptelea integrifolia > Pterocarpus marsupium. The overall results suggest that the sewage sludge and agro industrial wastes can be effectively and efficiently used for raising of forest nursery.Keywords
Organic Wastes, Forest Saplings, Soil Nutrients.- Assessment on Management of Late Blight in Potato Incited by Phytophthora infestans
Abstract Views :219 |
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Authors
Affiliations
1 Krishi Vigyan Kendra (B.R.D.), Hadonahalli (Karnataka), IN
2 Krishi Vigyan Kendra, Chikkaballapur (Karnataka), IN
1 Krishi Vigyan Kendra (B.R.D.), Hadonahalli (Karnataka), IN
2 Krishi Vigyan Kendra, Chikkaballapur (Karnataka), IN
Source
International Journal of Plant Protection, Vol 10, No 2 (2017), Pagination: 410-414Abstract
Late blight incited by Phytophthora infestans is one of the most widely spread and economically important disease of potato. The present investigation was carried out to evaluate the efficacy of different fungicides and biocontrol agents for the management of the disease. Soil application of Trichoderma viride and Pseudomonas fluorescens 15 days before transplanting followed by prophylactic spray of Mancozeb (0.25%) 35 days after transplanting was found effective. Three sprays of fungicides viz., Fenamidone + Mancozeb (0.3%), Iprovalicarb + Propineb (0.3%) and Dimethomorph (0.1%) + Mancozeb (0.2%) sprayed at regular intervals of seventh, ninth and eleventh weeks depending on the disease severity was found very effective in managing the disease.Keywords
Biocontrol Agents, Disease Severity, Fungicides, Late Blight, Management.References
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- Chourasiya, P. K., Lal, A. A. and Simon, S. (2013). Effect of certain fungicides and botanicals against early blight of tomato caused by Alternaria solani (Ellis and Martin) under Allahabad Uttar Pradesh, India conditions. Internat. J. Agric. Sci. & Res., 3 (3) : 151-156.
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- Chowdappa, P., Nirmal Kumar, B. J. and Madhura, S. (2013). Emergence of 13 A2 Blue lineage ofPhytophthoran festans was responsible for severe outbreaks of late blight on tomato in south-west India. J. Phytopathol., 161: 49–58.
- Cooke, D. E. L., Cano, L. M. and Raffaele, S. (2012. )Genome analyses of an aggressive and invasive lineage of the Irish potato famine pathogen. PLoS Pathogens, 8, e1002940.
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- Lees, A.K., Stewart, J.A., Lynott, J.S., Carnegie, S. F., Campbell, H. and Roberts, A. M. I. (2012) .The effect of a dominant Phytophthora infestans genotype (13_A2) in Great Britain on host resistance to foliar late blight in commercial potato cultivars. Potato Res., 55: 125–134.
- Nowicki, M., Foolad, M. R., Nowakowska, M. and Kozik, E. U. (2012). Potato and tomato late blight caused by Phytophthora infestans: an overview of pathology and resistance breeding. Plant Disease, 96: 1–17.
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- Characterization and Composting of Poultry Manure Compost and its Effect on Yield of Maize
Abstract Views :211 |
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Authors
Affiliations
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
1 Department of Soil Science and Agricultural Chemistry, University of Agricultural Sciences, G.K.V.K., Bengaluru (Karnataka), IN
Source
An Asian Journal of Soil Science, Vol 6, No 1 (2011), Pagination: 27-32Abstract
Composting of poultry manure cage litter and deep litter with organic and inorganic additives in various combinations were taken up and change in chemical and biochemical properties over the period of composting were studied. The composts were tested for efficiency interms of agronomic productivity using a test crop. The organic carbon, C:N ratio, lignin, cellulose and total phenol contents decreased where as nutrient content and humic substances increased during composting. After four months, humic substances were higher in compost treatments compared to poultry manure kept for aging. Compost treatments recorded higher dry matter yield of Maize over control (100% RDF+FYM @ 10 t ha-1). Composted poultry manure cage litter treated with sericulture waste, green manure, cowdung and urea with 50 per cent RDF recorded a maximum of 257 per cent increase in dry matter yield of maize over control and fresh poultry manure treatments.Keywords
Poultry Manure, Composting, Fodder Maize, Yield and Nutrient Uptake.- Effect of Fertigation Levels and Schedules on Growth, Yield and Economic Returns of Tomato (Solanum lycopersicum L.)
Abstract Views :167 |
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Authors
Affiliations
1 Krishi Vigyan Kendra, Hadonahalli, Bengaluru (Karnataka), IN
1 Krishi Vigyan Kendra, Hadonahalli, Bengaluru (Karnataka), IN
Source
International Research Journal of Agricultural Economics and Statistics, Vol 8, No 2 (2017), Pagination: 320-324Abstract
Front line demonstration was carried out at farmer’s field of Doddaballapur taluk, Bengaluru Rural district, Karnataka, India to study the fertigation levels and schedules on growth, yield and economic of tomato. The treatments included 3 fertigation levels (T1-60% of recommended dose of fertilizer (RDF), T2 -80% of RDF and T3-100% of RDF) with 3 fertigation schedules (T1-farmers practice 30 equal splits of RDF at every 3 days interval, T2-IIHR practice 37 equal splits of RDF at every 3 days interval and T3-TNAU practice 40 equal splits of RDF at every 3 days interval). The results indicated that fertigation of 100 per cent RD of NPK in 40 equal splits at every 3 days interval upto 120 days after transplanting was found significantly superior in case of growth (plant height 138.83cm), yield attributes (number of fruits per plant 100.83) and fruit yield (71.89t/ha) of tomato. The economic benefits of drip irrigation resulted in maximum gross returns (Rs.3,59,450/ha) and B: C of 2.84 in T3 treatment.Keywords
Tomato, Fertigation Levels, Schedules, Growth Yield, Economics.References
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