Robert Klein - Emeritus Extension Professor

Robert Klein West Central Research and Extension Center
402 W State Farm Rd
North Platte NE 69101-7751
308-696-6705
robert.klein@unl.edu


Dicamba damage in soybeans

Ninth Circuit Court Orders Cancellation of Three Dicamba Products

June 5, 2020
The United States Court of Appeals for the Ninth Circuit issued a ruling on June 3, 2020 that immediately cancelled the registration of XtendiMax®, FeXapan®, and Engenia® primarily used in dicamba-resistant soybean, also known as Roundup Ready 2 Xtend® soybean.

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Septoria tritici blotch in the lower canopy of wheat

Wheat Diseases Developing, Scout Fields for Early Detection

May 15, 2020
Reports from the wheat growing regions in Nebraska indicate low or no disease pressure in most growers’ fields. However, some fields are showing low to moderate levels of disease.

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wheat damaged by freeze

Assessing Freeze Injury to Wheat

April 24, 2020
It takes a number of warm days (a week or more depending on temperatures) after freezing to determine the condition of the winter wheat crop, so don’t make any quick decisions after a freeze.

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A field in Excellent Condition This Spring

Winter Wheat Condition

April 9, 2020
Some producers are concerned with the condition of their winter wheat fields this spring. At the time of seeding last fall, some areas were dry and under no-till conditions it was difficult if not impossible to seed at the recommended seeding depth.

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image showing freeze injury in wheat

Freeze Injury in Winter Wheat a Common Occurrence in Nebraska

April 9, 2020
A cold front brought another round of freezing temperatures across most of Nebraska this week. Learn more about what to expect.

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Impact of Hybrid Selection, Planting Date and Seeding Rates on Dryland Corn in Western Nebraska

December 17, 2019
To study the effects of several agronomic practices on corn yield in western Nebraska, a strip trial was conducted at the Henry J. Stumpf International Wheat Center at Grant during the 2018 and 2019 growing seasons.

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Spray Quality: How It Affects Pesticide Efficacy and Drift

December 13, 2019

Spray quality refers to the Internationally Standardized Droplet Size Classification (ASABE S572.1). In this standard, the droplet size spectrum produced by a nozzle is classified as extremely fine, very fine, fine, medium, coarse, very coarse, extremely coarse, and ultra coarse, which describes the spray coverage and spray drift associated with the droplet size.

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Grain sorghum variety trial at the Henry J. Stumpf International Wheat Center near Grant, Nebraska, summer 2019.
Figure 1. Grain sorghum variety trial at the Henry J. Stumpf International Wheat Center near Grant, Nebraska, summer 2019.

Grain Sorghum Research in Western Nebraska

December 5, 2019
Grain sorghum variety testing was conducted at the Henry J. Stumpf International Wheat Center near Grant this year. The trial of 24 grain sorghum varieties also evaluated the effects of row spacing, comparing 15- and 30-inch rows.

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