Electrophoretic Fractionation of the Soil Humic Acids Under Different Forest Covers of Garhwal Himalayas (Mussoorie Area)

Abstract

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.