date:Feb 04, 2013
based on a two-year study.
Fertilizers and pesticides have played an important role in enhancing productivity but, in certain areas, improper use has had a grave impact on the environment, the study said.
The point is that polluted water and a polluted environment make the crops harmful to health. It is necessary and urgent to encourage any attempts to change traditional farming methods through an emphasis on green agriculture, Cheng said.