Fertilizers and weedicides are used to improve soil fertility and to kill weeds ... these are potentially harmful (can cause cancer and other health problems) for humans and other organism ... as is Applied on plants in the field he will enter the human system through run away weater after rain or leaching down to the water table or by the consumption of plants ... which results in the harmful effects ... So today biofertilisers are used that are environmentally friendly, low cost and improved Productivity.