Environmentalists are urging legislators to spend a new $50 million fund for Chesapeake Bay restoration targeting nutrient runoff from fertilizers and manure on Maryland farms.

Bay advocates testified before a House of Delegates committee tasked with allocating the fund for Bay cleanup, encouraging focus on nitrogen and phosphorus reduction by adjusting animals? diets and planting cover crops. About 38 percent of nutrients in the Bay come from farms, they said, making them the biggest bang for taxpayers? buck.