N. B. Singh , Dinesh Kumar , G. S. Rawat , R. K. Gupta , K. Singh , S. S. Negi

Abstract

Clonal performance of the 50 promising clones of Populus deltoides, developed within and outside the country, has been statistically analysed at one third of the commercial rotation for six growth parameters viz. survival percentage, plant height, diameter, crown diameter, number of branches and volume. Genotypic and phenotypic coefficient of variation, broad sense heritability on individual plant basis, clone means basis and genetic gains have been worked out for all six growth parameters. Higher heritability was observed in diameter than plant height. Maximum heritability was well as genetic gain were obtained in volume. 30.28% expected genetic gain is achieved from selecting the 10% of 50 clones, i.e. 5 best clones namely 40-N, UDH-9116, 25-N, 63-N and UDH-1002.

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S. S. Negi , M. K. Gupta

Abstract

A study was conducted to estimate soil organic carbon pool (SOC) in three land uses viz. forests, horticulture and grassland in Chamoli district. Under forests land use, soil organic carbon pool was estimated in deodar (Cedrus deodara), quercus (Quercus leucotrichophora), chir (Pinus roxburghii), silver fir and spruce (Abies pindrow and Picea smithiana) and miscellaneous forests. Under horticulture land use SOC was estimated in mango orchards and under grass land SOC was estimated. Soil organic carbon pool under deodar was maximum (121.81 t ha^-1) followed by Silver fir and Spruce (113.05 t ha¹), Quercus (105.52 t ha^-1), Chir (56.73 t ha^-1) and the least was under miscellaneous (52.48 t ha^-1). Forests of Chamoli district have 3,75,98,188.32 tones (37.59 million tons) and horticulture land use have 0.83 million tones, SOC pool in the soils. SOC pool under forests, grassland and horticulture were compared through ANOVA, SOC pool between forests, grassland and horticultures, were statistically significant different.

Keywords

Soil Organic Carbon Pool, Climate Change, Forest Land Use, Horticulture, Grassland

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S. S. Negi

Abstract

no abstract

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S. S. Negi

Abstract

Apropos the plantation of fodder trees in Himachal Pradesh the aspects of some potential tree fodders in the State are discussed. Possibility of converting the nutritious tree leaves harvested at the right a protein-rich meals is indicated.

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S. S. Negi , M. K. Gupta

Abstract

Soil samples for the estimation of organic carbon store were collected from the entire catchment area starting from Rajban to origin of Giri and all the land uses were covered to estimate soil organic carbon. Soil organic carbon store in Giri catchment was estimated (up to the depth of 30 cm), and observed that maximum SOC store (93.47 t ha^-1 ) was in the soils under Kail + Silver fir and Spruce forests and Kail + Quercus forests followed by Deodar forests (82.14 t ha^-1). Soil organic carbon store under miscellaneous forests (57.66 t ha^-1) and chir forests (57.33 t ha^-1 ) was similar and the least SOC store was under sal forests (47.29 t/ha). Under agriculture land use, in cropping srstem soil organic store was 53.62 t ha^-1 while under orchards it was 53.96 t ha^-1. Altitude wise maxImum soil organic carbon pool was in the soils located above the altitude of 2500 m (91.37 t ha^-1 ) followed by 2000-2500 m ( 88.68 t ha^-1). The least SOC store was in the soils located below 1000 m (54.34 t ha^-1). Girl catchment has 8,165,593.15 tones (8.16 million tons) soil organic carbon store in the forest area and under agriculture land use soil organic carbon store is 3,167,521.58 tones (3.16 million tons).

Keywords

Carbon Sequestration, Soil Organic Carbon Estimation, Girl Catchment, Himachal Pradesh

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S. S. Negi

Abstract

No abstract

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S. S. Negi

Abstract

No abstract

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S. S. Negi

Abstract

No abstract

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S. S. Negi , M. K. Gupta

Abstract

Estimation of SOC pool under different vegetation covers was conducted in Almora district of Uttarakhand state in two land uses viz. forests where soil organic carbon pool was estimated in Deodar (Cedrus deodara), Quercus (Quercus leucotrichophora), Sal (Shorea robusta), Chir (Pinus roxburghii) and miscellaneous forests and under horticulture land use where SOC pool was estimated in apple orchards. Maximum SOC pool was observed in the soils under Deodar forest (114.36 t ha^-1) followed by Quercus (91.77 t ha^-1), Sal (61.51 t ha^-1), Chir (54. 18 t ha^-1) and the least was under miscellaneous (24.68 t ha^-1). Subset for α= 0.05 indicate that Deodar stands separately (a), Quercus stand separately (b) Sal and Chir were together (c) and miscellaneous forest was also in separate SOC pool (d). SOC pool in soils under apple orchards was 61.99 t ha^-1 . On an average, forests in Almora district have 73.76 t ha^-1 SOC pool in the soils. All the forests of the districts have 1,74,20,939.95 tones (17.42 million tons) SOC store in the soils. In the district 1.26 million tons SOC pool was estimated in the soils under horticulture land use system.

Keywords

Soil Organic Carbon Pool, Mitigation Potential, Forests, Horticulture

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