Daren Redfearn - Extension Forage Crop Residue Specialist

Daren Redfearn

(faculty)
Work Keim Hall (KEIM) 136
Lincoln NE 68583-0915
US
Work 402-472-2662 On-campus 2-2662

icon-academic-capEducation

  • Ph D, University of Nebraska-Lincoln, 1995
  • MS, University of Nebraska-Lincoln, 1992
  • BS, Texas Tech University, 1985

Faculty Bio

Cattle grazing a corn field
Cows grazing corn residue may not remove as much organic material and as many nutrients as might be expected, but they will likely redistribute some nutrients in the field due to their traffic patterns.

Nutrient Removal by Cows Grazing Corn Residue November 5, 2018

Nutrient removal by cows grazing corn residue may not be as much as you might think. Here a livestock and a forage specialist break down the numbers and look at removal rates for organic matter and minerals.

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Cattle grazing corn stalks
Cattle grazing corn stalks

The Crop Residue Exchange Links Growers and Grazers October 10, 2018

The Crop Residue Exchange is an interactive online tool to help crop and cattle producers connect and develop mutually beneficial agreements to use crop residue for grazing. A new feature allows producers to also list forage cover crops for grazing.

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Hailed corn
Figure 1. Severely hail-damaged corn field where the ears are the top-most part of the plant. Following severe hail damage, cover crops can offer a variety of benefits from using available nitrogen to aiding weed control. (Photos by Jenny Rees)

Cover Crop Considerations Following Late-Season Hail Storms August 24, 2018

Cover crops offer a number of benefits in fields sustaining late-season hail damage, but should be planted soon to provide sufficient time for growth. A guide covers various cover crops and their use, seeding rates, and seeding method.

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Considerations for Forage Cover Crops after Hail in Corn and Soybean July 9, 2018

If you were hit hard by hail and need to cover your fields, forage cover crops can provide an opportunity for haying or grazing as well as a protective plant layer. Plant selection is a key factor in successfully managing production.

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Cattle grazing rye cover crop near Tecumseh
Figure 1. Cattle grazing cereal rye cover crop near Tecumseh. Often grazing poses less of a nitrate toxicity risk than haying and feeding.. (Photo by Mary Drewnoski)

Reducing Nitrate Concerns When Grazing Forage Cover Crops July 9, 2018

Nitrate toxicity can be a concern when planting cover crops for forage in hail-damaged crop fields. With proper management of haying and grazing, the risk can be reduced.

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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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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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