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Soni, S.
- Mean Annual Increment in the Forests of Garhwal Himalayas Related with Soil and Ground Litter Properties
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Indian Forester, Vol 118, No 12 (1992), Pagination: 945-951Abstract
Elemental composition of the litter under deodar, chir and oak forests of Mussoorie Himalayas were characterised with soil properties and mean annual increments of the species. The study revealed that the forests under deodar had higher M.A.I. associated with higher content of Mn, Zn. Mg, Cu and Fe in their soils in comparison to the forests under chir and oak.Full Text
- Scanning Electron Microsccopy of Soil-humic Acids of Garhwal Himalayas
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Indian Forester, Vol 117, No 1 (1991), Pagination: 79-83Abstract
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- Electrophoretic Fractionation of the Soil Humic Acids Under Different Forest Covers of Garhwal Himalayas (Mussoorie Area)
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Indian Forester, Vol 116, No 8 (1990), Pagination: 669-673Abstract
Soil humic acids from the Garhwal Himalayas were subjected to electrophoretic fractionation according to different molecular weights. It was found that there was a great deal of difference in the extent of migration of humic acids in different zones, dependeing up on the origin and mode of deposition of the humic acids. Thus indicated diffennce in the molecular weight and fertility status. The study also revealed that comparatively deodar had low molecular weight humic substance, compared with chir and oak and the same had accumulated at the surface to depict its better ferlility.- Quantitative Ecological Analysis of Some Woody Species of Mussoorie Himalayas (U.P.)
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Indian Forester, Vol 115, No 5 (1989), Pagination: 327-336Abstract
A detailed ecological study was carried out at eight different sites of Mussoorie Himalayas (Uttar Pradesh) supporting mainly Cedrus deodara, Pinus roxburghii and Quercus leucotrichophora. During the course of study it was found that although the density of these species varied between 1.9 and 6.4 trees 100 m2. Their pattern of distribution was mainly randon and some where regular. However, their total basal cover varied between 160.87 and 9257.52 cm2 100 m2 and mean basal area between 280.31 cm2 Tree-1 and 3627.94 cm2 Tree-1.- Spectral Properties and Colloidal Rehaviour of the Humic Acids of the Soils under Oak (Quercus incana), Dfodar (Cedrus deodara) and Chik (Pinus roxburghii) of Mussoorie Himalayas (U.P.)
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Indian Forester, Vol 113, No 10 (1987), Pagination: 684-690Abstract
The humic substances of the Mussoorie Himalayan soils (U.P.) under different vegetation covers, Were characterised with the help of non-degradative spectrophotometric methods. The ratios of optical densities or absorbance at 465 mp. And 665 mp. In respect of dilute aqueous humic acids was used as the indicator of carbon in aromatic nuclei and in alphabetic side chains. It was noticed that the absorption of light increased with the increase in the degree of condensation of the aromatic rings in them and was depleted by a lower E4/E5 ratios and lesser absorptions. As Such it was found that the humic substances under Chir (Pinus roxhurghii) contain large proportion of aliphatic structure in them in comparison to Deodar (Cedrus deodara) and Oak (Quercus incana) were the humic substances were more condensed with aromatic rings. The later were also found to be hydrophobic in nature with lower coagulation threshold values as compared to former and as such were more akin for tbe favourable soil aggregation.- Comparative Study of the Bio-chemical Compositton of the Plant Materials in the Mussoorie Himalayan soils (U.P)
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Indian Forester, Vol 112, No 3 (1986), Pagination: 264-270Abstract
No Abstract- Measurement of Hexoses in Acid Hydrolyslates of some Soils of Mussoorie Himalayas
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