methods to study the mineral requirements

essential mineral elements

criteria for essentiality

role of macro- and micro-nutrients 1

role of macro- and micro-nutrients 2

deficiency symptoms of essential elements

toxicity of micronutrients

mechanism of absorption of elements

soil as reservoir of essential elements

nitrogen cycle

biological nitrogen fixation

symbiotic biological nitrogen fixation

nodule formation

fate of ammonia

previous year questions 1

previous year questions 2

assertion reason and multiple statement questions