John Thomas - Crops Extension Educator at the University of Nebraska-Lincoln

John Thomas

Crops Extension Educator for the northern Nebraska Panhandle
415 Black Hills Ave
Alliance, NE 69301-3243

wheat stem sawfly adult

Wheat Stem Sawfly Infestations Continue to Impact Harvest in the Nebraska Panhandle

July 23, 2020
WSS damage in winter wheat was first noted in Nebraska in the early to mid-1990s in Banner County near the Wyoming border. It has continued to increase ever since and now is a very significant issue.

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Sample of marketing chart

Field Studies: Blowing the Whistle on Marketing Claims

November 9, 2017
Marketing claims for agricultural products can report a range of data, some of which may be valid and important to your operation and some of which may not be. Evaluating the data to inform decision-making and purchases may require seeking additional data from the company or from reliable third-party research studies.

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Minnesota tillage plots

Field Studies: What do you mean 5 bushels per acre is not significant?

September 5, 2017
On-farm research offers opportunities for testing practices or products under grower field conditions, but how do you determine when the results are statistically different and reliable or due to other factors.

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On-farm research field

Field Studies: Setting Up a Trial

June 21, 2017
Reliable results from on-farm research often start with correct placement of randomized, replicated plots in your field. Soil type, topography, and other factors all need to be considered to ensure results are representative of the whole field.

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Field trial comparions of 7.5-inch and 30-inch row spacings
Figure 1. Left, 30-inch rows at 90,000 plants/ac; right, 7.5-inch rows at 120,000 plants/ac.

Field Studies: Replicated Comparisions vs Side-by-Side Comparisons

May 9, 2017
How to set up a basic research study on your farm to provide reliable results from replicated studies with random placement of treatments in each replication.

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Figure 1. Direct harvesting of dry edible beans in the Nebraska Panhandle.
Figure 1. Direct harvesting of dry edible beans in the Nebraska Panhandle.

Direct Harvest of Dry Edible Beans

September 28, 2016

If you’re in the midst of harvesting dry edible beans and considering how to improve harvest efficiencies, you may want to take a second look at transitioning to a direct harvest system.

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