ABSTRACT
Abstract ................................................................................................... 64 3.1 The Soil Environment .................................................................... 64 3.2 Textural Classes ............................................................................. 67 3.3 Soil Structure ................................................................................. 69 3.4 Silicate Clay Minerals .................................................................... 72 3.5 Non-Silicate Clay Minerals ........................................................... 74 3.6 Organic Soil Colloids (Humus) ..................................................... 74 3.7 Soil-Plant-Climate Relationship ................................................... 77 3.8 Influence of Climate on Plants ....................................................... 86 Keywords ................................................................................................ 92 References ............................................................................................... 92
SUBHASISH DAS and SATYA SUNDAR BHATTACHARYA*
Department of Environmental Science, Tezpur University, Tezpur 784028, Assam, India
*Corresponding author, Tel.: +91 3712 267007/+91 3712 2670078/+91 3712 2670079x5610; E-mail: satyasundarb@yahoo. co.in; satya72@tezu.ernet.in.
