Drainage ditches can help clean up field runoff
Friday, January 4, 2013 - 12:00
in Earth & Climate
Vegetated drainage ditches can help capture pesticide and nutrient loads in field runoff, U.S. Department of Agriculture (USDA) scientists report. These ditches—as common in the country as the fields they drain—give farmers a low-cost alternative for managing agricultural pollutants and protecting natural resources.