Aaron Nygren - Extension Educator

Aaron Nygren

faculty
Work
PO Box 389 Schuyler NE 68661-0389
US

Faculty Bio

Nygren provides Extension agronomic support for Colfax, Cuming, and Stanton counties.
Twitter: @ColfaxCountyExt

Figure 1. Soybean plant showing signs of wilting from soybean gall midge infestation.
Figure 1. Soybean plant showing signs of wilting from soybean gall midge infestation. (Photo by Justin McMechan)

Soybean Gall Midge: New Counties Infested and Second Generation Adults Emerging July 8, 2019

Since June 30, low levels of adult emergence have been observed from east-central and northeast Nebraska counties from last year’s soybean fields. On July 2 and July 4 adults were found emerging from this year's soybeans in east-central Nebraska.

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Soybean Gall Midge Emergence Update in Nebraska June 21, 2019

Soybean gall midge numbers continue to increase at a number of monitoring sites in the state.

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Soybean emerging from a crack in a heavily crusted field.

Considerations after Crusted Soybean June 14, 2019

Soil crusting is challenging soybean emergence, but is it enough to warrant replanting? Here are early steps to remediate crusting problems and factors to consider when considering replanting.

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Planter in a field of corn residue

Corn Hybrid Maturities and Late Planting June 13, 2019

Still planting corn and wanting to change to a different hybrid maturity? Here are some things to consider and a tool that can help you assess which hybrid options are likely to mature before an average fall freeze date for your location.

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Strategies for delayed soybean planting

Strategies with Delayed Soybean Planting June 13, 2019

Adjusting soybean planting practices (row spacing, seeding rate and the use of custom planting) and relative maturity of the variety can help maximize yield potential when planting after mid-June.

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Improving Manure Nitrogen Use Efficiency April 18, 2019

A multi-year study of organic N used in Nebraska crop production validated sensor guided in-season N application as a means to efficiently use the N available from manure and other organic materials. See what benefits they found, as well as considerations for use.

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Flooded center pivot east of Schuyler (Photo by Aaron Nygren)
Flooded center pivot east of Schuyler (Photo by Aaron Nygren)

Management Recommendations for Irrigation Equipment Affected by Flooding March 25, 2019

As waters drain and soils dry out, part of the recovery process will include checking irrigation systems for damage and performing maintenance/repair before those systems can be used. Here's what to check in your power unit, irrigation well, and center pivot.

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Card promoting the Confronting Cropping Challenges meetings

Confront Crop Challenges and Update Applicator Certification November 27, 2018

Confronting Crop Challenges will be the focus of five meetings to be held in northeast Nebraska this December. Each offers updates on recent crop and pest issues in eastern Nebraska as well as pesticide applicator recertification training.

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