Farmers have implemented a menagerie of agricultural pollution control methods across Chesapeake Bay's 64,000-square-mile watershed in an effort to clean up the iconic waterbody over the last three decades. But some scientists have been questioning whether some of the methods — collectively known as best management practices or BMPs — actually reduce pollution as much as estimated. An ambitious five-year, $1.5 million study aims to figure out which ones work best.READ MORE ►
BMPs put to test
What are the best methods for reducing ag pollution?