Potassium (K) fertiliser cost has increased considerably over the past three years. The sharp increase in price has raised doubts about the profitability of potassium application in cereals where the Minimum Support Prices ...

Phosphorus (P) is one of the major essential plant nutrients. Physiological processes and yield of cereals are adversely affected in soils deficient in phosphorus. Phosphorus deficiency is widespread in Indian soils and ...

Nitrogen (N) is a key factor for cereal production in India. N is predominantly supplied to the plants through fertiliser application. The average response to applied fertiliser N has been declining steadily over the past ...