Mary Drewnoski - Beef Systems Specialist

Mary Drewnoski

faculty

Assoc Professor Animal Science University of Nebraska–Lincoln
Asst Professor Animal Science University of Nebraska–Lincoln

Work Animal Science Complex (ANSC) C220F

Lincoln NE 68583-0908

Work 402-472-6289 On campus, dial 2-6289

mary.drewnoski@unl.edu

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Faculty Bio

Figure 1. The Crop Residue Exchange continues to expand to better connect livestock producers with available forage resources. (Photo by Troy Walz)

Crop Residue Exchange Updated and Available for Listings

September 20, 2019

Interested in making your corn residue available or grazing? New updates make the Crop Residue Exchange even easier to use to link cattle producers and available grazing resources.

Hailed corn field — 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

August 29, 2019

Late-season hail has impacted fields across Nebraska. Growers may want to consider the value of cover crops for weed management, excess nitrogen uptake, and forage options.

Grazing an additional 10% of available acres of corn residue could increase income for crop producers by more than $6 million. (Photo courtesy of USDA)

The Value of Grazed Corn Residue for Crop and Cattle Producers

July 31, 2019

It's estimated that a 10% increase in grazing utilization of corn residue could add $6.4 million to the bottom line of crop producers in Nebraska.

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.

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.

Baled soybean residue in a field — Figure 1. Baled soybean residue (Photo by Todd Whitney)

What is the Value of Soybean Residue?

December 13, 2018

This Q&A addresses questions about baling soybean residue, including its nutrient value and comparison with other sources, economic value, and what should be considered when deciding whether to bale soybean residue.

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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