Increasing population levels on a near stabilized agricultural land places a
heavy burden on the soil source���?particularly its nutrient supplying power.
Chemical fertilizers have come to increase the output of agricultural product
and to meet ever increasing demand of human population. The problem is further
compounded in several areas due to excessive use of chemical fertilizers which
resulted into considerable deterioration in the quality of indigenous soil.
Intensive agriculture with the use of chemical fertilizers in large amount has,
no doubt, resulted in manifold increase in the productivity of farm commodities
but the adverse effect of these chemicals are clearly visible on soil structure,
microflora, quality of water,