Question

Green revolution led to economic disparity between the farmer of north and those south

Answer 1

1) chemical fertilizers may escape from the soil and pollute groundwater, river and lakes.
2) chemical fertilizers can also kill bacteria and other microorganism in the soil.
3) the continue use of chemical fertilizers had led to degradation of soil health.
4) the continue use of groundwater for tubewell irrigation has lowered the water table.