The Next Step: Adding Cover Crop to a No Till System (Video)

Text written by SARE

Dan Forgey, farm manager at Cronin Farms in South Dakota, has been using no-till management for more than 17 years. Over that time, Forgey has developed a keen understanding of how his farming system works and where new challenges and opportunities exist.

Several years ago, Forgey began thinking about how he might include cover crops on the 8500-acre farm to improve soil and the bottom line. But how best to do this in a no-till system? Usually, cover crops are tilled into the soil while they are still green in order to promote soil quality and fertility, but that is not an option in a no-till system. Forgey received a SARE grant to test the feasibility of using cover crops at Cronin Farms. It’s an on-going experiment, but after three years, results are promising. One cover crop mix of turnips, cowpeas and lentils increased corn yields by 18-20 bushels per acre in the SARE farm trials.

No-till farmer Dan Forgey Holding Clump of Rich Farm Soil

Dan Forgey holding clump of rich soil from his farm

Other benefits include:

  1. healthier soil, with increasing benefits over a period of 4 to 5 years
  2. better soil aggregation and texture through the addition of organic matter and enhanced activity of soil microorganisms
  3. economic savings as a result of reduced use of purchased fertilizer

Forgey is aware that the cover crops in this system may perform differently in drought years, when a cover crop could deplete soil water needed by the cash crop (wheat, corn, soybeans). He will monitor this closely in coming years. As for managing cover crops without tillage, Forgey’s answer is to have his cattle graze them. Enjoy watching this video to learn more. In addition, an information sheet describing how cover crops and livestock fit into a typical crop rotation at Cronin Farms (PDF) is available at the SARE Web site.

Sustainable Agriculture Research and Education (SARE) logoThe Sustainable Agriculture Research and Education (SARE) program’s mission is to advance—to the whole of American agriculture—innovations that improve profitability, stewardship and quality of life by investing in groundbreaking research and education. SARE is proud of its connections to farming communities across the country and encourages those who wish to learn more to visit the SARE website. SARE is funded by USDA the National Institute of Food and Agriculture, USDA.

Comments

  1. says

    I appreciate the logical and even keel approach he has – that this is just a more sensible way to do things, as opposed to it coming from a place of doom and gloom.

    Love hearing first hand stories on the success of this innovation in land stewardship. Gives me hope.

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