Changes

Pesticides and fertilizers were used to increase production during the green revolution, and many wonder if they are harmful to our diet.  Today, there is controversial use of genetic engineering of crops to increase yield (the amount of food produced per a given area)

Pesticides and fertilizers were used to increase production during the green revolution, and many wonder if they are harmful to our diet.  Today, there is controversial use of genetic engineering of crops to increase yield (the amount of food produced per a given area)

Environmentalists also complained that increased irrigation for crops has led to a depletion of ground water and an increase in the salinity of the soil.  Many ground wells in the United States may be polluted, though usually from hazardous waste (such as dumped oil) rather than from fertilizers or pesticides.

Environmentalists also complain that increased irrigation for crops has led to a depletion of ground water and an increase in the salinity of the soil.  Many ground wells in the United States may be polluted, though usually from hazardous waste (such as dumped oil) rather than from fertilizers or pesticides.