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, dial 2-2662

icon-academic-capEducation

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

icon-business-chartResearch & Grants

  • Five-year Plan for the Beef Systems Initiative, Internal, August 2017
  • Enhance Animal Protein Crops/Cattle, Fdn for Food & Agriculture Research, July 2017
  • Soil Health Initiative, Dept of Agriculture-NRCS, September 2017
  • Dev Rsrch Ext Skills of Students, Dept of Agriculture-NIFA, March 2016

Faculty Bio

Frozen sorghum-sudangrass
Once a freeze occurs, it takes seven days for prussic acid to dissipate from forage sorghum species like sorghum-sudangrass. The hours immediately after a frost have the highest level of toxic compounds in these plants.

Pasture and Forage Minute: Forage Drought Recovery, Prussic Acid in Sorghum

October 5, 2022
Extension educators share insights on the drought recovery process for pastures, how to graze forage sorghum species after freezing temperatures and how to capture the best nutrition from grazing crop residue this fall.

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Team measures water infiltration

Assessing Soil Health at the Field Scale: Putting Reference Soils and Sampling Strategies All Together

September 28, 2022
In a recently published article, UNL researchers help shed light on common questions related to using cover crops as a way to meet soil health goals.

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Sorghum-sudangrass
To put up good quality hay from summer annual grasses like sorghum-sudan hybrids, remember this motto: "Cut it early, cut it high. Crimp the stems and they will dry." (CropWatch file photo)

Pasture and Forage Minute: Options for Wet Hay Meadow, Harvesting Summer Annual Forages

July 20, 2022
Nebraska Extension educators share tips and techniques for addressing wet hay meadows and summer annual forages at harvest time, plus info on this year's Nebraska Grazing Conference.

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Cover crop infograph

On-farm Research Indicates Importance of Cover Crops for Soil Health in Nebraska

January 20, 2022
UNL researchers share the results of a multi-year USDA-NRCS Soil Health Initiative study, which closely investigated the impact of cover crops on soil health in Nebraska.

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Alfalfa field

Pasture and Forage Minute: Planning 2022 Forages, Alfalfa Fertility

January 12, 2022
Extension educators discuss the importance of analyzing last year's forages to improve production in 2022, and how to maximize your fertilizer investment dollars in alfalfa fields.

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Harvested corn field
The Crop Residue Exchange is an interactive, online tool that facilitates connections between livestock producers looking for forage and crop producers with available crop residues or other forage resources.

Crop Residue Exchange Links Growers and Grazers

August 23, 2021
The Crop Residue Exchange continues to connect livestock producers with crop residue and other forage resources.

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Cattle in pasture
University of Nebraska research has determined that when corn residue is grazed at proper stocking rates, there are small, but positive effects on crop production the following year.

Cattle Compaction in Cropland: Fact or Fiction?

August 23, 2021
Grazing corn residue is a low-cost winter feed for cattle and source of additional income with no negative effects on cropland.

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example aerial imagery

Using Aerial Imagery to Help Determine the Impact of Cover Crops on Cash Crop Growth and Development

October 15, 2020
Through education and on-farm assessment, Nebraska landowners part of the Soil Health Initiative (SHI) are evaluating the effects of diverse cover crop mixtures on both soil properties and agronomic indicators of soil health.

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