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BOOSTING PROFITS. Cover crops and oats serve up savings and yields. Residue gives Larsen the upper hand with glyphosate resistant waterhemp and the crop rotation has eliminated the need to purchase expensive corn rootworm protection in his traited corn hybrids. Corn and soybean crops in rotation with oats also see yield bumps up to 11%. Martin Larsen

Oats, No-Till & Covers Deliver Benefits Above & Below

Groundwater is close at hand in Karst geography creating more urgency for intentionally careful farming practices

TAKEAWAYS

  • Seeding red clover with oats can yield 80 pounds of N for the following crop.
  • Cover crops can reduce nitrates in water by 30-60%.
  • Oats spread labor, diversify marketing opportunities, and improve soil and water.

Oats are a legacy project for me. Getting oats growing on more acres in my community has great impacts on a variety of areas in my life about which I care deeply: water quality, community, my family and my farm. 

Growing oats and encouraging others to do so, too, is the backbone of my conservation strategy. I’m a part-time conservation technician at the Olmsted County Soil & Water Conservation District. I’m also a fifth-generation farmer and a water quality enthusiast.

Our geography is unique. On the surface I farm an area where glacial-till soils transition to windblown Loess. The resulting hodge podge means I get to farm soils that range from high clay content with higher soil organic matter (SOM) to lower SOM silty loams. 

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Check The Specs...

NAME: Martin Larsen

LOCATION: Byron, Minn.

ACRES: 1,490

YEARS NO-TILLING: 11

CROPS: Corn, soybeans, oats

PRIMARY SOIL TYPE: Glacial Till to Loess transition

ANNUAL PRECIPITATION: 33 inches

Underneath the surface is where things get truly interesting. Eroded Karst limestone bedrock riddled with caverns supplies all the public and private drinking water for our community. Water from our farms filters, and in some cases flows directly, into the underground water supply.

When surface water infiltrates into these caves and aquifers, they can take a wide range of…

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Martha mintz new

Martha Mintz

Since 2011, Martha has authored the highly popular “What I’ve Learned About No-Till” series that has appeared in every issue of No-Till Farmer since August of 2002.


Growing up on a cattle ranch in southeastern Montana, Martha is a talented ag writer and photographer who lives with her family in Billings, Montana.

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