Cover Crops

field pea

June Field Days for Field Peas, Pulses, Wheat, Forage and Cover Crops

May 16, 2018
A variety of winter and pulse crops will be featured at a series of seven field days to be held across the state this summer. The crops exhibited and speaker presentations will be customized to local needs.

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Field of cover crops

Q&A on Spring Herbicides and Fall Cover Crop Plantings

May 14, 2018
Grower question: Can I use a herbicide like Callisto, with mesotrione as its active ingredient, now and plant radishes and turnips for a cover crop in early September?

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Comparison of cover crop planting dates

How Planting Date, Varieties Affect Spring Cover Crop Growth

May 4, 2018
Reduced spring growth resulting from delayed planting of small grain cover crops has been widespread throughout the western Corn Belt.

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Broadleaf weeds

Q&A: Which Dicamba Product Should I Use to Kill Broadleaf Cover Crops or Burndown Weeds Before Xtend Soybean?

April 27, 2018
With a delayed or compressed planting season, this week several growers asked whether they could immediately plant soybeans after a dicamba application. See how Extension Weed Scientist Amit Jhala replied.

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Cereal rye in corn stubble
Figure 1. Cereal rye planted as a cover crop in many fields is slow-growing this spring. Combining a cover crop termination and PRE application may be a valuable time-saver this year, if used correctly.

Q&A on Terminating Cereal Rye, Applying a PRE

April 25, 2018
A grower asked: My cereal rye cover crop is only 3 to 5 inches tall going into planting season. Can I combine two field operations in one by applying glyphosate to terminate cereal rye and tank-mixing it with a residual herbicide for early season weed control?

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Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.
Figure 1. Seasonal ecology of wheat stem maggot (Allen 1933) overlaid on 2017 field issues. Arrows indicate likely source of infestation started with adult movement in the spring.

Wheat Stem Maggot Adult Monitoring: A Pest of Cover Crop-to-Corn Transitions

April 25, 2018
This article looks at wheat stem maggots in cover crops-to-corn transitions, including their biology, risk for damage to early season corn, and what to look for this spring.

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Cover crop field with mixed-species plantings
Later season field of cover crops in southeastern Nebraska. (Photo by Paul Jasa)

Timing of Cover Crop Termination and Related Factors

April 20, 2018
Should the cold spring delay cover crop termination? Growers walk a fine line between growing cover crops long enough to get the biomass they want without reducing yield in the following grain crop. This discussion from an agronomist, entomologist and weed scientist looks at various factors to consider.

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Cereal rye cover crop

Q&A on Grazing Cereal Rye after an Anhydrous Application

April 19, 2018
This week a CropWatch reader asked: Can you safely graze cover crop rye this spring after anhydrous has been applied? That depends on several factors, write three extension specialists in agronomy and beef production.

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