Conservation tillage is used on a majority of U.S. corn, soybean, and wheat acres

Conservation tillage helps protect soil by reducing soil disturbance and keeping the soil covered. These actions conserve soil moisture, reduce soil erosion, and, when used in conjunction with other practices, can help promote soil health. Healthy soils can improve environmental outcomes and benefit farmers. For example, greater rainfall infiltration and soil water-holding capacity can reduce runoff of sediment and nutrients while increasing drought resilience. Based on the most recent surveys, conservation tillage was used on a majority of wheat (67 percent), corn (65 percent), and soybeans (70 percent). However, conservation tillage was used on just 40 percent of cotton acres. No-till production, a type of conservation tillage where farmers plant directly into remaining crop residue without tilling, accounted for the majority of conservation tillage acres on wheat (45 percent of total acres) and soybeans (40 percent). Almost 50 percent of corn, soybean, wheat, and cotton acreage was in no-till or strip-till—a mulch till method where tillage occurs in a narrow strip where seeds are planted—at some time over a 4-year period (the survey year and 3 previous years). However, only about 20 percent of these acres were in no-till or strip-till all 4 years. This chart appears in the ERS report, Tillage Intensity and Conservation Cropping in the United States, released September 2018.

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