Planting cover crops into corn stocks. 1. Keeps Your Soil Where It Belongs Cover crops hold your dirt in place. Less erosion, fewer ruts, and better topsoil year after year. 2. Feeds the Soil, Not Just the Crop Legumes like clover or vetch pump nitrogen back into the ground. Others add organic matter that boosts microbial life — that’s free fertility without hauling manure or buying more inputs. 3. Better Water Holding More roots = better water infiltration. You’ll see less runoff and your field