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No-till Farming Prevents Erosion, Study Shows

Research from the Pacific Northwest shows that no-till wheat production reduces erosion and saves fuel and time compared to conventional production.

April 8, 2011

No-till farming
Courtesy USDA/ John Williams
Not only does no-till farming save time and fuel during planting, a study shows it prevents erosion and water runoff.

Wheat farmers in eastern Oregon and Washington who use no-till production systems can substantially stem soil erosion and enhance efforts to protect water quality, according to research performed by USDA scientists.

USDA Agricultural Research Service hydrologist John Williams led a study that compared runoff, soil erosion and crop yields in a conventional, intensively tilled winter wheat-fallow system and a no-till four-year cropping rotation system.

Williams and his colleagues at the ARS Columbia Plateau Conservation Research Center in Pendleton, Ore., set up research plots in two small neighboring ephemeral drainage areas in the Wildhorse Creek Watershed in northeast Oregon. For three years, they measured runoff and sediment loads at the mouth of each drainage channel in the study area after almost every rainfall.

The scientists found that 13 rainfalls generated erosion from conventionally tilled fields, but only three rainfalls resulted in erosion from no-till fields. In addition, they noted that 70 percent more runoff and 52 times more eroded material escaped from the conventionally tilled fields than from the no-till fields.

No-till production left the soil surface intact and protected pore space beneath the soil surface, which allowed more water to infiltrate into the subsoil. In addition, there was no significant yield difference between the no-till and conventional-till production, but direct seeding in no-till production saved fuel and time.

Other research on no-till production and soil erosion had been conducted in small experimental plots, but this work provides much-needed information for farmers in eastern Oregon and Washington on how no-till management can reduce soil erosion across entire production fields.

Results from this work were recently published in the Journal of Soil and Water Conservation.

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No-till Farming Prevents Erosion, Study Shows

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Reader Comments
Sounds like a win/win situation. Wonder what percentage in the country is following this method.
Dante, Hyde Park, MA
Posted: 6/14/2013 7:38:10 AM
would like to see an atricle on air-rators
Christy, Mt. Hermon, LA
Posted: 4/11/2011 11:10:25 AM
Here in Nebraska the farmers have been doing no till for many years. We do have some rolling hills so in addition to no till we do contour planting to minimize the erosion run off.
David, Omaha, NE
Posted: 4/11/2011 7:13:04 AM
Jake, Tabor City, NC
Posted: 4/10/2011 9:00:04 PM
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