Termination

Cover crops provide a multitude of agronomic and environmental benefits for growers, but In the end they're usually terminated ("killed") to provide nutrients back to the soil, increase carbon and soil organic matter and make room for cash crops — or become a highly nutritious food source for livestock. In this topic growers will find tips and strategies for ensuring the most efficient and effective termination of cover crops, whether it's by herbicide, winterkill, roller-crimper, mowing or other methods.

ARTICLES

[Video] Tips on Interseeding Covers into Corn

In this video from Penn State University Extension, learn more about interseeding cover crops into cash crops such as corn. Find out about the machine they developed that does interseeding and fertilizer application at the same time.
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Applying Manure with a Dragline Helps with Cover Crop Termination

No-tillers from Perrysville, Ohio, utilize manure from their 650-cow dairy to maintain high-yielding double crops, and feed for their herd.
A lot can change in 30 years. In the early 1990s, Perrysville, Ohio, brothers Steve and Carl Ayers were adopting no-till and cover crops on 700 acres of continuous corn on their 650-cow dairy operation, creating a standard for other growers in the area to emulate. 


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Cover Crop Burndown Considerations

Weed management is a year-round job, but producers take special care to make sound management decisions prior to planting, and that includes cover crop burndown. According to information from the Alabama Cooperative Extension System (ACES), Alabama Extension Weed Scientist David Russell offers suggestions for planting into a weed-free field and maintaining a clean corn crop throughout the growing season. Read more in this article from Southeast AgNet.
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Tradeoffs When Terminating Cover Crops

A fall-planted cereal rye cover crop can have both positive and negative impacts, for example by tying up nitrogen, reducing soil moisture prior to planting, increasing insect pressure, reducing weed pressure, reducing soil erosion and allelopathy. The spring rains in 2021 and warming soil temperatures are encouraging cereal rye and wheat cover crops to take off. Read more in this article from University of Nebraska Extension.
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Cover Crops Can Manage Residual Herbicides

A common question when incorporating cover crops into a production system is, will the cover crop interfere with the performance of residual herbicides included with the burndown treatment? This article from the University of Nebraska will discuss the fate of residual herbicides applied to crop residue and living cover crops, and how this may influence herbicide effectiveness.
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Attend the 2021 National Strip-Tillage Conference

Discover cutting-edge ideas, techniques and strategies from the most innovative, forward-thinking minds in strip-till to raise your level of strip-till profitability, efficiency and efficacy. The 2021 National Strip-Tillage Conference, Aug. 5-6, in Omaha, Neb., offers a mix of thought-provoking general sessions featuring top experts; profit-boosting Strip-Till Classrooms led by strip-till authorities, and interactive farmer-to-farmer Strip-Till Roundtables.

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