Research Updates

Soybean damage from application of micro-rates of dicamba pesticide.

Effects of Dicamba Micro-Rates on Yields of Non-Dicamba Soybeans

January 9, 2019
This study looks at the sensitivity of non-DT soybean types (Conventional, Liberty Link, and Roundup Ready) to micro-rate applications of Clarity, Engenia, and XtendiMax at several growth stages.

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Dry bean weed management trial

The Importance of Early Season Weed Control

January 9, 2019
Do early season weeds have the same impact as later season flushes? Researchers here report on a 2018 study conducted in dry bean to compare how soon after planting crop yield was impacted by weed presence.

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Corn yield loss as influenced by three herbicide treatments

Critical Time for Weed Removal in Corn and Soybean is Delayed by PRE-Herbicides

January 9, 2019
Understanding the critical time for weed removal in corn and soybean would not only ensure effective weed removal and minimize unnecessary weed control inputs, but could potentially help minimize the development of herbicide resistance in weeds.

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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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James Schnable examines a sorghum plant with Andy Benson
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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