On-Farm Research Protocols

Nebraska Extension Protocols

These protocols are designed by UNL faculty to answer questions for your farming operation.

Click on a topic below to view or print a PDF.

Cover Crop Management

Interseeding Cover Crops in Corn or Soybeans

Corn CRM Hybrids for Improving Cover Crop Establishment

3-year Rye Cover Crop Study (for sloping or sandy soil)

Crop Protection

NEW for 2019! Soybean Gall Midge Research

V5 Fungicide Applications for Corn

Crop Management

NEW for 2019! Soybean Management Practices - Yield Benchmarking

NEW for 2019! Soygreen for Fields with Iron Deficiency Chlorosis

Soybean Early vs. Later Planting Date Protocol

Soybean Maturity Group Comparison with Early Planting

Planting Populations

Corn Planting Population: 4 Populations

Corn Planting Populations: 2 Populations

Soybean Population Research Protocol: 4 Populations

Soybean Population Research Protocol: 2 Populations

Variable Rate Planting: Protocols developed on an individual basis.

Contact us for more info:
Laura Thompson

Soil Fertility Management

Nitrification Inhibitor for Anhydrous Ammonia Application

Fall versus Spring Anhydrous Ammonia Application with and without a Nitrification Inhibitor

Starter Fertilizer

Pre-Plant Nitrogen Studies

UNL Pre-Plant Corn N Recommendation +/- 30 lbs

UNL Pre-Plant Corn N Recommendation vs. Producer Pre-Plant N Recommendation

UNL Pre-Plant Corn N Recommendation vs. UNL N Recommendation as Variable Rate

Maize-N Pre-Plant Corn N Recommendation vs. Producer N Recommendation

Sidedress or Split-Application Nitrogen Studies

2019 Featured Study - Nitrogen Decision Management Tools
Do you use a nitrogen decision model to determine your N rate?  Are you interested a research project about your recommendation strategy? Evaluating Sidedress Nitrogen Decision Tools

Maize-N Sidedress vs. Producer N Sidedress

PSNT-N +/-30 lb N/ac at Sidedress

UNL Corn Nitrogen Recommendation +/- 30 lb N/ac at Sidedress

UNL Nitrogen Calculator Spreadsheet

For nitrogen calculator help:
Brian Krienke

Sugar Studies

Sugar on Corn, Soybean, and Sorghum

Sugar vs. Fungicide vs. Check

Irrigation Management Protocols

Traditional vs. 75% Irrigation Study (with hybrid and population options)

Industry Partnership Protocols

These protocols are designed in cooperation with industry to answer specific questions.  For more details about each study, click on the links below.

New Protocols for 2019, coming soon!

Cutomized Protocols

Do you have a specific research topic in mind? We can design a protocol customized to your farming operation.

The following templates are Word Documents which can be downloaded and modified to fit your project.

Two Treatment, Paired Comparison Design


THREE TREATMENT, Randomized complete block DESIGN

FOUR TREATMENT, randomized complete block dESIGN

For help setting up an on-farm research project, please contact us:

Find your local extension educator or
Laura Thompson