Daren Redfearn - Extension Forage Crop Residue Specialist

Daren Redfearn

faculty

Assoc Professor Agronomy & Horticulture University of Nebraska–Lincoln

Work Keim Hall (KEIM) 136

Lincoln NE 68583-0915

Work 402-472-2662 On campus, dial 2-2662

dredfearn2@unl.edu

vCard QR Code

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

Nebraska Crop Residue Exchange now lists pastures

Crop Residue Exchange Now Available For Listing Pasture Rentals April 15, 2019

Nebraska's Crop Residue Exchange can now list pastures available for rent. If you are in need of grazing resources, check out this website to identify opportunities.

A New NebGuide: Perennial Grass or Grass-Legume in Rotation with Annual Crops March 29, 2019

Including perennial grass or a grass-legume mixture in up to a nine-year rotation may help improve soil productivity and profitability while achieving other benefits.

Effect of Switchgrass Row Spacing on Inter-Seeded Legume Establishment March 15, 2019

This project evaluated the effect of switchgrass row spacing on the establishment of Illinois bundleflower, partridge pea, alfalfa, white clover, and hairy vetch.

Chart showing row spacing effects on switchgrass yields.

Effect of Row Spacing on Switchgrass Yield and Nutritive Value March 14, 2019

This study was conducted from 2010 to 2015 to evaluate effects of row spacing on switchgrass forage yield. It compared two varieties: ‘Shawnee’ an upland ecotype, and ‘Kanlow x Summer HP1 NETO2 C1’, an experimental lowland ecotype later released as ‘Liberty’.

Figure 1. Soil disturbance after disking and interseeding legumes.

Burning, Disking, and Spraying Consequences on Big Bluestem Forage Yield, Nutritive Value, and Native Legume Establishment March 14, 2019

A two-year study evaluated establishment of two native legume species into five-year old established big bluestem pastures and compared seven treatments.

Cover Crop Grazing: Impacts on Soils and Crop Yields January 22, 2019

Results from a three-year study in rainfed and irrigated no-till cropping systems in Nebraska suggest that moderate cattle grazing of cover crops may not negatively impact soil properties and crop production.

Native Warm-Season Grass Management and Planting Decisions for Alternative Forages January 9, 2019

One of the most important drivers of productivity and cost effectiveness of annual forages is planting date. Having realistic planting date expectations is one key to proper species selection.

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.