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

Cover Crops Can Help with Weeds in Vegetable Crops

Most vegetable legume growers have yet to adopt cover crops due to the potential for reduced germination and yield in thick residue. But a new study from the University of Illinois and the U.S. Department of Agriculture’s Agricultural Research Service shows early-terminated rye could be a promising part of an integrated weed management program for some vegetable legumes, including edamame. Read more in this article from the Herald-Whig (Quincy, IL).
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Cover Crop Solves Weed Problems

For vegetable growers, weeds can mean lost income from reduced yield and foreign plant matter contaminating the harvest. But for many crops, particularly vegetable legumes, weed management options are very limited. Read more in this press release from the University of Illinois.
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University of Georgia Researching Cover Crops

University of Georgia researchers are working on natural solutions to weed problems in row crops as government regulations of chemical herbicides grow stricter. Earlier in June, the U.S. Ninth Circuit Court of Appeals pulled registrations for the use of all dicamba products for row-crop production. Read more in this article from Southeast AgNet.
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[Video] Cover Crops That are Ideal for Winter

Overwintering cover crops can be planted in early to mid-fall and can provide soil cover, nitrogen production, and weed suppression. Find out more in this video from University of Arkansas Extension about what cover crop species are best for overwintering, which species produce large quantities of biomass, how to ensure cover crops enable good nitrogen fixation, and more.
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[Video] Optimizing Corn Yields After Cereal Rye

Alison Robertson, Professor and Extension Field Crops Pathologist with Iowa State University discusses why cereal rye is a vector for diseases in corn, why timing of planting corn after cereal rye is very important, how pythium impacts corn yields, and more.
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Cover Crop Termination Affects Insect Populations

It was a cold, grey day to be counting bugs. Still, that's what they were doing moving across a field of cereal rye from one trap to the next. It's all part of the work Illinois Extension Entomologist Nick Seiter is doing with cover crops. Read more in this article from KMA Land.
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Herbicides Still Most Popular Cover Crop Termination Method

As with all things related to cover crops, growers have a bevy of options to choose from, including termination methods. According to the results of the first-ever Cover Crop Benchmark Study conducted by Cover Crop Strategies, herbicides were the termination method of choice for a whopping 69% of growers in 2019.
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Attend the Virtual National No-Tillage Conference

The Virtual National No-Tillage Conference, January 12-15, 2021, will deliver practical, ongoing education to accommodate your busy schedule through an online learning experience assembling the best no-tillers, agronomists and researchers together to share cutting-edge ideas and strategies to improve the profitability and efficiency of your no-till system. Registration starts at just $99.

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