Faculty Bio
Nygren provides Extension agronomic support for Colfax, Cuming, and Stanton counties.
Twitter: @ColfaxCountyExt
Common Problems Regarding Center Pivot Operating Pressure and Uniformity
January 22, 2020
Pivots operating below or above the designed water pressure can create uniformity issues across fields and/or increase operating expenses.
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.
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.
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.
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.
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.
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.
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.