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Researchers look for ‘third cash crop’ in cover crops that also reduce nutrient runoff

Microbiologist Tom Moorman, who works for the Agricultural Research Service of the U.S. Department of Agriculture in Ames, Iowa, has been looking at whether the camelina cover crop reduces nutrient runoff.

He measures nitrate, phosphorus and potassium in the collected water to measure runoff levels. Beyond keeping the soil and nutrients on the field – the goal of a cover crop – Moorman wants to see whether camelina might also provide farmers with a third cash crop. | READ MORE