Mary Drewnoski - Beef Systems Specialist

Mary Drewnoski

Faculty Bio

Economics of Annual and Perennial Forages Webinar Feb. 13

February 4, 2018
With current corn prices and the limited availability of perennial grass, some producers are asking themselves if growing forages on cropland might be the answer to feeding the cow herd. A webinar to address these questions in addition to showing economic examples will be held Tuesday evening, February 13, from 6:00-7:30 p.m. CST.

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Cattle grazing in corn stalks
Figure 1. Studies conducted by the University of Nebraska-Lincoln at seven locations found that winter grazing of corn fields does not result in biologically significant compaction or negative impacts on subsequent crop yields. (Photo by Mary Drewnoski)

Studies Show Minimal Soil Compaction With Winter Grazing

October 24, 2017
Studies conducted by the University of Nebraska-Lincoln at seven locations found that winter grazing of corn residue did not result in biologically significant compaction or negative impacts on subsequent crop yields. This review of the results includes short- and long-term studies

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Residue Exchange icon

Online Crop Residue Exchange Links Growers and Grazers

August 16, 2017
A new interactive online tool, the Crop Residue Exchange, links farmers with fields of crop residue with livestock producers looking for new grazing opportunities.

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Figure 1. Steers grazing a mix of oats, turnips and radishes in mid-December. At this point in Experiment 4 there was still 1.5 ton dry matter per acre and calves grazed until mid-January when the weather ended grazing due to the forage being iced to the ground.
Figure 1. Steers grazing a mix of oats, turnips and radishes in mid-December. At this point in Experiment 4 there was still 1.5 ton dry matter per acre and calves grazed until mid-January when the weather ended grazing due to the forage being iced to the ground.

Value of Oats and Brassicas for Fall Forage

December 1, 2016
An overview of five experiments evaluating the use of winter-sensitive, cool-season species planted in mid-August after wheat or early September after corn silage harvest for grazing of fall-weaned calves during November and December.

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Herbicide Options for Planting Forage Cover Crops after Corn and Soybean

March 18, 2016

Cover crop adoption is continuing to increase throughout Nebraska. Respondents to the 2015 cover crop survey conducted during Nebraska extension meetings indicated the top five desired benefits from cover crops are

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