(last updated 11/20/17)

WI Custom Rate Guide 2013 (PDF, 8 pages, 253 KB) (Newest Edition we have)

Soybean Yield Limiting Factors in Wisconsin (PDF, 22 pages, 1.26 MB)

More resources available in article

UW-Extension Crop Budgets



Cool Bean Advisor –


2016 UW Corn Performance Tests


2017 UW Soybean Performance Tests


2017 UW Oats and Barley Performance Tests


2016 UW Forage Performance Tests


2018 Pest Management for Field Crops Manual


Corn Leaf Disease Identification


Common Corn Diseases in Wisconsin – Visual Quick Guide


Wheat Disease Identification


Soybean disease ID


UW Soil Testing Lab – Marshfield


2017 WI Corn Growers Yield Contest Form

2017 Corn Yield Contest Rules



2017 WI Soybean Growers Yield Contest Form



On Farm Testing
“Farmers today have an increasing number of tools for managing crops. New developments in precision farming technologies, biotechnology, and advancements in pesticides, equipment, and other ag inputs are converging and arriving at the farm-gate at an unprecedented rate. Sifting through the overwhelming milieu of technologies to find the tools that really work is a challenge for farmers and the consultants and agronomists that serve and support production agriculture. …”  (for full article, click on the below link)

WI On-Farm Testing Forms (PDF, 2 pages, 41 KB)

Picture of George Koepp

George Koepp

George Koepp, Agriculture Agent
UW-Extension Columbia County
Administration Building
112 E. Edgewater Street, Room 212
Portage, WI 53901
Phone: 608-742-9682
Fax: 608-742-9862
TTY/TDD:  711 Phone Relay