Keith Glewen - Extension Educator

Keith Glewen

faculty

Extension Educator Southeast Research & Extension Center University of Nebraska–Lincoln

Work

1071 County Rd G Ithaca NE 68033-2234

Work 402-624-8030 On campus, dial 7-8030

kglewen1@unl.edu

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Keith Glewen is a University of Nebraska faculty member with a 100% Extension appointment in the Southeast Research and Extension Center District. He has regional and in some cases, statewide program responsibilities for agronomic and natural resource/environmental related issues, with particular emphasis in areas of agricultural profitability, on-farm research and soil and water management-stewardship. Recently, Glewen has focused his efforts on developing programs for industry consultants that support farm operators in the Midwest Region. Glewen has worked with faculty and stakeholders to successfully develop a Crop Management and Diagnostic Clinic at the University of Nebraska Eastern Nebraska Research & Development Center. Field based training sessions are offered during the growing season to provide crop consultants and industry agronomists with diagnostic training to enhance the application of best management practices in the production of row crops. In 2018, 242 participants representing 39 Nebraska Counties and 13 States estimated the value of this training to be $43.1 million dollars. In working with commodity boards, Glewen has secured funding to implement research and education programs. They have included, Soybean Management Field Days, Irrigation and Energy Management Field Days, Nebraska Soybean Day & Machinery Expo, Nebraska No-Till Conference and Nebraska Cover Crop Conference. Early in his career, Glewen developed a very effective program with farm operators focusing on transferring field research to the farm, entitled the Nebraska Soybean and Feed Grains Profitability Project. This project engaged farm operators in eight Nebraska counties conducting on-farm research. Today the project has expanded under the umbrella of the Nebraska On-Farm Research Network. Many of the above programs are based on partnerships developed through relative and effective programing during his career. Besides the above, Glewen has been effective in working with area farm operators in developing and growing effective corn and soybean commodity organizations, considered to be among the most active in Nebraska.

icon-documentPublications and Other Intellectual Contributions

2017 Soybean Management Field Days Research Update, Soybean Management Field Days Research Update - 2017, December 2017

Faculty Bio

Map of the Corn Belt showing locations for the 2019 Corn Yield Forecasts

2019 Corn Yield Forecasts: Approach and Interpretation of Results July 8, 2019

Agronomists address how the Corn Yield Forecast Center develops yield forecasts, what to expect during the growing season, and how to use the forecasts to inform farm decisions. Tables detailing soil types and crop management for each of the 41 locations are included.

Figure 1. Growers surveyed about why they conduct on-farm research said that, among other benefits, they appreciated getting to share their results and talk with other growers about their research at winter meetings.

Study Highlights Motivations and Impact of Participating in an On-Farm Research Network May 31, 2019

Forty Nebraska growers participating in the On-Farm Research Network recently shared why they conduct on-farm research and what it's meant to be part of a group of researchers. The results, published in the Agronomy Journal, illustrate a range of benefits, including cost savings and economic gains.

Figure 1. A research plot at the university’s Eastern Nebraska Research and Extension Center (ENREC) near Mead on May 13, 2019. The entire plot is covered with no-till corn residue. The west half also is covered with a November 17 planted cereal rye cover crop. Soil temperatures 2 inches deep were recorded in each half, but were essentially the same, so are averaged in this report.

Soybean Germination/Emergence with April Planting Dates Relative to Coincident Air and Soil Temperatures in April and May May 16, 2019

A closer look at air and soil temperatures in April and soybean germination and emergence from 10 planting dates did not find chilling injury, despite periods below 50°F. Further research is needed to better understand the imbibitional period in soybean.

Research plot with no-till corn residue, with left half planted to cereal rye in November 2018

Considerations when Planting Soybean Early April 25, 2019

If you're planning to get an early start on your soybean planting, be sure to check for recommended soil temperatures and the forecast for the coming 48 hours to ensure optimal conditions for achieving good emergence.

Figure showing reductions in nitrification based on temeprature. — Figure 1. Reductions in nitrification over time based on temperature.

Anhydrous Ammonia Conversion April 18, 2019

The environmental conditions allowing for anhydrous injury in 2018 are different then what we are experiencing this year. This brief looks at factors affecting the conversion from ammonia to usable soil nitrate.

Combining soybeans in 2018 — University researchers are seeking 20 growers in eastern Nebraska to study practices to improve soybean yields.

Study Area Expanded for Growers Interested in Participating in Soybean Yield Gap Research March 28, 2019

The Nebraska On-Farm Research Network (NOFRN) has expanded the area where it is seeking 20 farmers to study how to optimize soybean yields. Here's more on the practices being studied and what's needed from the growers and the university researchers.

Crop Scout Training participants identifying weeds during the 2018 course. — Crop Scout Training participants identify weeds during the 2018 course. The March 5 event is for pest managers while a May 8 training course will be for entry-level scouts.

Crop Scout Training for Pest Managers March 5 February 13, 2019

This course, to be held at the Eastern Nebraska Research and Education Center near Mead, is ideal for new employees preparing to take the Certified Crop Advisor (CCA) exam and serves as an excellent refresher course for experienced personnel.

Extension Educator Nathan Mueller and grower Ryan Siefken scout an on-farm soybean research plot in eastern Nebraska. (Photo by Laura Thompson)

20 Growers Sought for Soybean Yield Gap Study February 8, 2019

The Nebraska On-Farm Research Network (NOFRN) is seeking 20 farmers to participate in a study of how to optimize soybean yields. Here's more on the practices being studied and what's needed from the growers and the university researchers.

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