ABSTRACT
Abstract ................................................................................................. 100 4.1 Plant and Soil ............................................................................... 100 4.2 Plant Nutrients and the Criteria of Essentiality ............................ 101 4.3 Bioavailability of Nutrients .......................................................... 106 4.4 Nutrient Transformation in Soil ................................................... 108 4.5 Mechanism of Nutrient Absorption By Plants ............................. 116 4.6 Role of Different Nutrients in Plants ........................................... 118 4.7 Plant Metabolites and Ecosystem ................................................ 128 Keywords .............................................................................................. 130 References ............................................................................................. 130
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.
