Changes

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.

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.