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Paul O. Johnson giving a presentation near a research plot.

Paul O. Johnson Retires After Dedicated Career in SDSU Extension

June 08, 2022

Paul O. Johnson, SDSU Extension Weed Science Coordinator and Northeast Research Farm Coordinator, is retiring after a dedicated 33-year career supporting the people of South Dakota in his role at SDSU Extension.

baskets on a table with fresh produce at a farmer's market

Farmers Market Resource Manual

This manual is intended to be used by farmers market directors, managers, and organizers to copy portions of the manual that pertain to the needs of their farmers market.

A close up of prickly Russian thistle

Prickly Russian Thistle

Publications that provide introductory and expanded information on the notorious invasive plant, prickly Russian thistle.

Woman delivering a bag food donations to a food bank manager.

Product Donations for Food Manufacturers

Interested in donating some of your slightly flawed food products to a food drive? View some food safety tips and donation considerations for food manufacturers in South Dakota.

Group of children eating school lunch in a cafeteria.

Farm to (More Than) School

Opportunities for local food procurement go beyond just school lunch! Learn about several child nutrition programs and settings that may accept local foods.

Spring Dandelion Control In Soybeans

Dandelion has become much more of a problem as farming practices have changed. Less tillage and increased use of glyphosate resistant crops along with reduced use of residual herbicides have allowed some perennial weeds such as dandelion to prevail.

A small pile of harvested non-gmo soybeans on a grey cloth.

Want a Premium Price? Weed Control In NON-GMO Soybeans

Many emotions set in on farmers that hear the word “non-GMO”, but it could help them in times like today when prices are low for many farm products in South Dakota.

Small flock of sheep grazing in a pasture.

Multispecies Grazing: Benefits of Sheep Integration on Rangelands

Fact sheet about diversifying your operation to benefit your rangeland.

SDSU Research Shows Effects Of Volunteer Corn In Corn And Soybeans

In 2007, researchers at South Dakota State University indicated that volunteer corn is much less competitive in corn than soybean. The South Dakota study (Alms et al. 2007) evaluated the full season effect of a range of volunteer corn densities (800-14,000 plants/acre) on both corn and soybean and reported yield losses that ranged from 0% to 13% in corn and 0% to 54% in soybean.