Dear Student
Kernel neem cake is used for agriculture ,
Its advntage are
Totally natural, no effect on ground water.
Calcium & Magnesium in cake helps in redcing alkalinity soil.
Abolishing of chemical fertilizers in tea gardens, mentha & other herb/fodder crops, which after processing is consumed by humans & livestock; had helped neem cake to come in limelight globally for its negligible-traces in vegetation.
Being excellent nitrification inhibitor, coating (blending) on chemical fertilizer (UREA, DAP etc.) greatly reduced its consumption up to 30 %.
Neem Cake (ground application) is found to be effective and beneficial in the all crops.