- To develop relationships between soil test values and crop response to fertilizers, in order to provide a calibration for fertilizer recommendation based on soil testing.
- To obtain a basis for making fertilizer recommendations for targeted yields.
- To evaluate various soil test methods for their suitability under field conditions.
- To evaluate the joint use of chemical fertilizers and organic manures for enhanced nutrient use efficiency.
- To derive a basis for making fertilizer recommendations for a whole cropping sequence based on initial soil test values.
(AICRP-STCR)
