Research Updates

Hairy vetch cover crop

Impact of Cover Crop Management on Rainfed Corn Production in Western Nebraska January 9, 2019

Researchers report their findings from a one-year cover crop study at two sites in western Nebraska to study the impact of planting and termination dates and cover crop species selection. This article is part of the Crop Production Clinic Proceedings 2019.

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Figure 1. Cover crop trials were conducted in 2017-2018 at the UNL Havelock Research Farm near Lincoln to discover the impact of several practices on management of winter- and summer-annual weeds.
Figure 1. Cover crop trials were conducted in 2017-2018 at the UNL Havelock Research Farm near Lincoln to discover the impact of several practices on management of winter- and summer-annual weeds.

Using Cover Crops as a Weed Management Tool for Managing Herbicide-Resistant Weeds January 9, 2019

Cover crop research trials were conducted in 2017-2018 at the UNL Havelock Research Farm near Lincoln to discover the impact of soybean maturity group, planting date, termination date, and herbicide use on on management of winter- and summer-annual weeds.

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Soybean field where previous cover crop provided adequate weed control.
Soybean field where previous cover crop provided adequate weed control.

How Much Cover Crop Growth Is Needed For Weed Control? January 9, 2019

How well do cover crops control weeds and can they offset herbicide costs in corn-soybean cropping systems across the Corn Belt? That's the focus of a multi-state meta-analysis of 15 cover crop research projects.

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Field of cover crops

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.

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Nebraska's James Schnable (left) examines a sorghum plant with Andy Benson in the Greenhouse Innovation Center. Schnable is part of a $3.9 million NSF-funded project that aims to develop crops that more efficiently use fertilizer. (Photo by Craig Chandler, UNL)

Researchers Aim to Reduce Nitrogen Fertilizer Use November 28, 2018

Today’s agricultural researchers are turning to plant genomics to find solutions for growing crops more sustainably with fewer inputs, including nitrogen fertilizer, without sacrificing yield or profit.

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Sunflower field at the High Plains Ag Lab

The Sunflower Pathology Working Group November 15, 2018

While diseases are one of the three biggest yield-limiting factors of sunflower production, there was little information on how to identify and manage them until university plant pathologists joined in a collaborative effort to conduct research and develop educational resources.

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Graph showing tillage effects on yield of chickpea and field pea at Grant, Nebraska in 2018 study.
Graph showing tillage effects on yield of chickpea and field pea at Grant, Nebraska in 2018 study.

Field Pea and Chickpea Germination and Yield as Affected by Tillage October 26, 2018

Research conducted at Grant found that spring tillage prior to planting caused faster germination and better yield of field peas and chickpeas as compared to no-till during the above-average wet and cool 2018 growing conditions.

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Visual evaluation of waterhemp growth 21 days after an atrazine application.

Research Report: Prevalence and Mechanism of Atrazine Resistance in Waterhemp from Nebraska October 26, 2018

Researchers studied waterhemp populations in eastern Nebraska to evaluate the efficacy of PRE and POST herbicide applications and the mechanism of atrazine resistance. Here's what they found and take-home messages to apply to your operation.

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