Pipestone SWCD, farmers turn to cover crops for nitrate reduction Clean Water Fund grant cuts risk for producers to try soil health practices that benefit drinking water supply management areas Written By: By Ann Wessel, Minnesota Board of Water and Soil Resources | 7:00 am, May 8, 2021 × Tom Griebel and Laura DeBeer discussed the progress of his cereal rye cover crop, in the background, on March 31 near Holland. A Clean Water Fund grant from BWSR cut the risk of trying soil health practices meant to reduce nitrates. DeBeer, a Pipestone SWCD-based regional water resources specialist, works with landowners within highly vulnerable wellhead protection areas. (Ann Wessel / Minnesota Board of Water and Soil Resources)