Tandon, V. N.

• Biomass and Nutrient Distribution in an Age Sequence of Populus deltoides Ecosystems in Haryana

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Authors

M. S. Negi , V. N. Tandon

Source

Indian Forester, Vol 123, No 2 (1997), Pagination: 111-117

Abstract

Estimates of dry matter production and nutrient distribution among various biomass components in 3, 5, 7 and 9 years old plantations is presented. Regression equations for each biomass components and the aboveground biomass were worked out separately. Among the predictor variable tried, DBH alone was found to give reasonably precise values of biomass and can safely be used for prediction purposes. The total standing biomass of these stands increases with increasing age from 14.2 t/ha (3 years) to 114.5 t/ha (9 years). The component wise nutrient distribution is discussed. A substantial amount of nutrients would be drained off as a result of whole tree harvesting. However, if only utilizable (bole, bark and branch) is removed the drain would be 57, 74, 81,71 and 70 percent of N, P, K, Ca and Mg respectively, of the total aboveground biomass. Debarking and leaving foliage at the site is suggested to reduce the drain to some extent.

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• Biomass Production and Mineral Cycling in Plantation Ecosystems of Eucalyptus Hybrid in Haryana 2. Distribution and Cycling of Nutrients

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Authors

V. N. Tandon , M. S. Negi , D. C. Sharma , H. S. Rawat

Source

Indian Forester, Vol 122, No 1 (1996), Pagination: 30-38

Abstract

Mineral cycling in four different aged Eucalyptus hybrid plantations bas been discussed. The componentwise distribution of nutrients at different ages and the nutrients removed as a result of whole tree harvesting has been presented. A total of 4565. 5242, 10236 and 9992 kg/ha of Jitter was produced annually at ages 4, 6, 8 and 10 years respectively. Out of the total litter, leaf litter contributed between 73 to 82 per cent, thus maximum nutrients are returned to the soil through leaf litter. Maximum return was observed for Nitrogen fonowed by Calcium, Potassium, Magnesium and Phosphorus.

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• Biomass Production and Mineral Cycling in Plantation Ecosystems of Eucalyptus Hybrid in Haryana 1. Biomass Production and its Distribution

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Authors

V. N. Tandon , J. K. Rawat , Rajinder Singh

Source

Indian Forester, Vol 119, No 3 (1993), Pagination: 232-237

Abstract

Estimate of dry matter production and its distribution among various tree components in 4, 6, 8 and 10 years old plantations of Eucalyptus hybrid plantations is presented. Linear regression analysis was carried out. Among the predictor variables (D²H, DBH, D²) tried, DBH alone was found to give reasonably precise values of biomass and can be reliably used for prediction purposes. The total standing biomass of these stands increases with increasing age and diameter from 20.1 t/ha (4 years) to 137.7 t/ha (10 years).

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• Organic Productivity and Mineral Cycling in Plantations of Populus deltoides in Tarai Region of Uttar Pradesh

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Authors

V. N. Tandon , M. C. Pandey , H. S. Rawat , D. C. Sharma

Source

Indian Forester, Vol 117, No 8 (1991), Pagination: 596-608

Abstract

Componentwise biomass production and cycling of minerals in five different aged plantations of Poplus deltoides have been discussed. Correlation coefficient and regression models were worked out separately for each biomass component, total above-ground biomass and total biomass. Linear regression analysis was carried out. The predictor variable D.B.H. and D²H were tried. Correlation coefficients obtained were found to be highly significant in both the cases. Easily measurable parameter D.B.H. has been used in this paper. The total above-ground biomass of these stands ranges between 27 t/ha to 192 t/ha. Maximum amount of N, P, K and Mg were contained in bole while higbest accumulation of Ca was observed in bark. A total of 1354, 1942, 2888 and 2472 kg/ha of litter was produced annuany at ages 3, 5, 7 and 9 years respectively. Of the total annual litter, lear contributed maximum between 69.5% to 85.2%. The cycling of mineral through litter ran has also been discussed.

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• Organic Matter Production and Distribution of Nutrients in Plantations of Acacia mearnsii in Nilgiris, Tamil Nadu

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Authors

V. N. Tandon , M. C. Pande , Rajender Singh

Source

Indian Forester, Vol 115, No 5 (1989), Pagination: 286-295

Abstract

Componentwise biomass production and the distribution of nutrients at the age of 4, 7 and 10 years of Acacia mearnsii plantation is presented. Linear regression analysis was carried out. Among the prediction variables tried, D²H was found to be the most reliable parameter for prediction purposes. The total above-ground biomass produced at 4, 7 and 10 years of age by class A was 20.4 t/ha, 27.1 t/ha and 151.4 t/ha; and 64 t/ha, 45.6 t/ha and 21.9 t/ha by class B respectively. Harvesting of utilizable biomass (wood. bark and branches) would result in the removal of 385 kg/ha (N), 4 kg/ha (P), 300 kg/ha (K), 205 kg/ha (Ca) and 50 kg/ha (Mg). Leaving leafand twig components at the site would not compensate the drain off. Some safeguard in terms of fertilization etc. is suggested, while raising the plantations of Acacia mearnsii.

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• Biomass Production and Nutrient Distributlon in Five Years Old Plantation Ecosystems of Fodder Species in Rajasthan

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Authors

M. C. Pande , V. N. Tandon , H. S. Rawat

Source

Indian Forester, Vol 115, No 11 (1989), Pagination: 793-801

Abstract

Studies on biomass production and nutrient distribution in plantation of Acacia nilotica, Acacia tortilis and Leucaena leucocephala under unirrigated and irrigated conditions have been undertaken. The biomass in irrigated areas was found to be much higher as compared to the unirrigated areas. Maximum accumulation of nutrients is observed in leaf and twig components in both areas. Some safeguard in terms of fertilization etc. have been suggested while raising the plantations of these species.

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• Forest Productivity Research-Case Study of Eastern Part of the Country

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Authors

M. C. Pande , V. N. Tandon , H. S. Rawat

Source

Indian Forester, Vol 115, No 12 (1989), Pagination: 860-868

Abstract

This paper presents the case study on work done on biomass production of some monocultures raised in eastern part of the country. Comparative total biomass and the timber production of Eucalyptus hybrid, Pinus patula, Pinus kesiya and Cryptomeria japonica have been discussed. Further studies to obtain more reliable and authenticated data on productivity has also been suggested.

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• Biomass Estimation and Distribution of Nutrients in Five Different Aged Eucalyptus grandis Plantation Ecosystems in Kerala State

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Authors

V. N. Tandon , M. C. Pande , Rajender Singh

Source

Indian Forester, Vol 114, No 4 (1988), Pagination: 184-199

Abstract

Above and below-ground biomass and distribution of nutrients of five different aged stands of Eucalyptus grandis have been discussed. Correlation coefficient and regression models were worked out separetely for each biomass component, total above-ground and total biomass. Among the predictor variables tried, D.B.H. was found to be the most reliable parameter for prediction of biomass. The results were significant at 0.01% level of probability. The total standing biomass of these plantations ranges between 65 t/ha to 302 t/ha. An estimate has been made of the quantity of nutrients immobilized in the crop. The quantity of nutrients removed permanently from the site has also been discussed. Leaving foliage and debarking at the site has been suggested to check the deterioratlon of the site to some extent.

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• Biomass Production in Plantation Ecosystem of Ailanthus excelsa at Five Different Ages in Uttar Pradesh

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Authors

M. C. Pande , V. N. Tandon , Mridula Negi

Source

Indian Forester, Vol 114, No 7 (1988), Pagination: 362-371

Abstract

The biomass production of 3, 6, 11, 16 and 21 years old plantations of Ailanthus excelsa has been discussed. Regression equations were worked out, it was observed that log models of type Log y = a + b log × are well suited for the prediction purposes. The peak values of biomass 41.8 t/ha and 40.3 t/ha were obtained at the age of 6 and 11 years respectively. The decreasing biomass of leaf and twig component with increasing age has also been discussed. Study on return of nutrients in these plantations has been suggested.

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• Biomass Production and its Distribution by Acacia nilotica Plantations at Five Different Ages in Haryana

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Authors

V. N. Tandon , M. C. Pande , Lajpat Rai , H. S. Rawat

Source

Indian Forester, Vol 114, No 11 (1988), Pagination: 770-775

Abstract

The distribution of biomass of Acacia nilolica at five different ages, in Haryana has been discussed. Prediction models were worked out seperately for each biomass component and the total above ground biomass. Linear model was found to be the best fit. Among the prediction variables tried D² was found to be the most reliable parameter for prediction of biomass. The total above-ground biomass ranges from 36 t/ha (5 years) to 307 t/ha (17 years). The above-ground biomass increases sharply after the age of 13 years.

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• Biomass Production and Plant Nutrient Distribution in Different Aged Plantations of Casuarina equisetifolia in Puri, Orissa

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Authors

V. P. S. Verma , V. N. Tandon , H. S. Rawat

Source

Indian Forester, Vol 113, No 4 (1987), Pagination: 273-280

Abstract

The paper presents the biomass production its distribution among different biomass components and tbe distribution of nutrients in an age series of Casuarina equisetifolia plantations in Puri, Orissa. The total biomass ranges from about 19 tonnes (5 years) to 130 tonnes (15 years) per ha with 76% to 83% being contributed by the above ground biomass. An attempt has been made to explain the higher biomass production by first rotation crop for comparable ages. The distribution of nutrients in these ecosystems have also been discussed. As a result of harvesting, the main biomass components (bole, bark and branches), which are usually harvested, results in the removal of 59% (N), 50% (P), 63% (K), 65% (Ca), 66% (Mg) of the total amount of nutrients accumulated in the above ground biomass at the rotation age (15 yrs). Study on nutrient cycling is suggested to maintain the fertility of the soil of this ocality.

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• Distribution of Nutrients and their Return through Litter Fall in an Age Series of Pinus patula, Schl. And Cham. Plantations in Nilgiris

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Authors

P. P. Malhotra , V. N. Tandon , P. P. Shanker

Source

Indian Forester, Vol 113, No 5 (1987), Pagination: 323-332

Abstract

The distribution of nutrients, litter production and return of nutrients through litter fall in 6, 8. 10, 12, and 14 years old plantations of Pinus patula raised in Nilgiris have been discussed. Highest concentration of nutrients were found in the needles. Maximum amount of nutrients were contained in bole which accounted for about 36 per cent (6 years) to 62 per cent (l4 years) of the total aerial tree components. Harvesting of bole and bark at the age of 14 years will remove 245 (N), 2 (P), 109 (K) 136(Ca) and 175 (Mg) kg/ha from the site. A total of 2555, 9209, 10562, 10827 and 11775 kg/ha or annual litter produced in these plantations at ages 6, 8, 10, 12 and 14 years respectively. Of the total litter, Needle contributed maximum (between 83.6 to 99.6 per cent). The total annual return of nutrients in all the six plantations has also been discussed. The maximum amount of all nutrients are return through needle litter.

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• Distribution of Nutrients in an Age Series of Eucalyptus and Acacia auriculaeformis Plantations in Bihar

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Authors

M. C. Pande , V. N. Tandon , P. P. Shanker

Source

Indian Forester, Vol 113, No 6 (1987), Pagination: 418-426

Abstract

The distribution of nutrients in plants and their losses by way of harvesting have been discussed in an age series of plantations of Eucalyptus and Acacia auriculaeformis. Considerable amounts of nutrients are retained in the leaf and twig components, which should be left over in the field to minimise the nutrient drain. Debarking in the field, if possible, will further reduce the drain up to some extent. Comparatively much higher amount of nutrients are retained in the leaf and twig components of Acacia auriculaeformis, as against Eucalyptus. Thus raising of these species alternately on the same site is suggested to protect the ecosystem from degradation and allow optimal yield with the available mineral resources at a particular site.

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• Organic Matter Production and Distribution of Nutrients in Eucalyptus Hybrid Plantation Ecosystems in Karnataka

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Authors

M. C. Pande , V. N. Tandon , R. S. Rawat

Source

Indian Forester, Vol 113, No 11 (1987), Pagination: 713-724

Abstract

Studies on biomass and nutrient distribution have been carried out in an age series plantations of Eucalyptus hybrid in Karnataka. The total above-ground biomass ranged from 19 t/ha to 22 t/ha in Kolar Forest Division and 5 t/ha to 16 t/ha in Madhalli Afforestation Centre. The componentwise distribution of nutrients has also been discussed. A substantial amount of nutrients will be drained off as a result of whole tree harvesting. Some advantage could be gained by leaving follage at the site which contains on an average 30 to 40% of macro- nutrients. Debarking at site is also suggested to check the drain of Ca. Total biomass and nutrient accumulation in ground vegetation, which is gradually made available to the trees has also been discussed.

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• Biomass Production and its Distribution in an Age Series Plantations of Eucalyptus Hybrid and Acacia auriculaeformis in Bihar

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Authors

M. C. Pande , V. N. Tandon , Mridula Negi

Source

Indian Forester, Vol 112, No 11 (1986), Pagination: 975-985

Abstract

The distribution of biomass in various tree component and productivity in an age series of plantations of Eucalyptus and Auriculaeformis have been discussed. For comparable ages the utilizable biomass recorded for Eucalyptus was higher than Acacia auriculaeformis. The maximum biomass produced at the age of 5 years in Eucalyptus has also been discussed. The present study suggests to raise Eucalyptus and Acacia auriculaeformis alternately in the same site, to maintain the fertility status of the soil to same extent.

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• Biomass Production, its Distribution and Biological Productivity in Pinus patula, Schl and Cham Plantations in Nilgiris

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Authors

P. P. Malhotra , V. N. Tandon , Promod Kumar

Source

Indian Forester, Vol 111, No 1 (1985), Pagination: 12-21

Abstract

The biomass production, its distribution by various tree components for 6, 8, 10, 12 and 14 years pld plantations of Pinus patula Schl and Cham at Ootacamund(Tamil Nadu) has been discussed. The total blomass ranges from 25 t/ha (6 years) to 260 t/ha 914 years) of which production increases with increasing age upto 10 years and thereafter slowed down gradually. Though, for comparable ages, blomass recorde at kodaikanal is much higher, but the advantage of the hardiness of the species has been properly taken by the State Forest Department and almost all the frost holes have been brought under Pinus patula. The detailed study on nutrient cycling is suggested.

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• Organic Matter Production in an Age Series of Eucalyptus globulus Plantations in Tamil Nadu

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Authors

J. D. S. Negi , N. K. S. Bora , V. N. Tandon , H. D. Thapliyal

Source

Indian Forester, Vol 110, No 8 (1984), Pagination: 802-813

Abstract

The distribution of organic matter in an age series of Eucalyptus globulus plantations in Tamil Nadu has been discussed. The total biomass ranges from 38 tonnes (5 yeas) to 220 tonnes (16 years) per ha with 85 to 88 per cent being contributed by the aboveground parts and 15 to 12 per cent by the ischolar_mains and the average annual production of non-photosynthetic components at its peak (l9 tonness/ha) at the age of 7 years.

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• Biomass Distribution and Productivity in a Poplar Plantation

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Authors

O. N. Kaul , D. C. Sharma , V. N. Tandon

Source

Indian Forester, Vol 109, No 11 (1983), Pagination: 822-828

Abstract

The distribution of biomass in various tree components and productivity of a 8 years old plantation of Populus deltoides have heen discussed. The total biomass is of the order of 86 tonnes/ha of which 83 per cent is being contributed by the above-ground parts and 17 per cent by the ischolar_mains.

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• Organic Matter and Plant Nutrients in a Teak (Tectona grandis) Plantation

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Authors

O. N. Kaul , D. C. Sharma , V. N. Tandon , P. B. L. Srivastava

Source

Indian Forester, Vol 105, No 8 (1979), Pagination: 573-582

Abstract

Estimates of dry matter production and nutrient content of a 38 years old teak (Tectona grandis) plantation as obtained by the Mean tree technique and the Stratified tree tecbnique have been presented in this Paper. The total standing biomass as obtained by tbe Mean tree technique is abont 27% less Than that obtained with Stratified tree technique. A similar trend was observed when comparing the nutrient content of this stand by these two methods.

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• Nutrition Studies on Eucalyptus. III. Diagnosis of Mineral Deficiencies in Eucalyptus grandis Seedlings

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Authors

O. N. Kaul , P. B. L. Srivastava , V. N. Tandon

Source

Indian Forester, Vol 94, No 11 (1968), Pagination: 831-834

Abstract

The paper describes the effect of some macro-nutrient deficiencies on the growth and morphology of Eucalyptus grandis seedlings. The results indicate that deficiency of nitrogen caused stunted growth, strong chlorosis, necrosis, premature defoliation and abaence of branching, while seedlings under phosphorus deficiency, had a characteristic appearance by producing thin lateral and secondary branches with numerous small leaves, towards the end of the growing season.

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• Nutrition Studies on Eucalyptus. IV. Diagnosis of Mineral Deficiencies in Eucalyptus globulus Seedlings

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Authors

O. N. Kaul , P. B. L. Srivastava , V. N. Tandon

Source

Indian Forester, Vol 96, No 6 (1970), Pagination: 453-456

Abstract

The paper reports the symptoms on foliage and the effect on growth, branching habit and nutrient uptake caused by the deficiency of some macro-nutrients in Eucalyptus globulus seedlings. Nitrogen and potassium deficiencies produced recognisable symptoms of chlorosis and curling of leaf tips and margins respectively. There was marked effect on height growth, collar diameter and ischolar_main development which were very poor in N, P and K deficiencies. This was also reflected in dry matter production.

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