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Cover crops growing in a field of wheat stuble.

Herbicide Residual Effects on Cover Crops After Wheat

Increased use of cover crops following major crops brings up questions of herbicide effects on cover crop establishment and rotation restrictions. Learn some considerations for cover crops following wheat.

Several ears of sweet corn on a table.

Weed Control in Sweet Corn

When growing sweet corn on a large scale, weed control can be challenging, and certain steps need to be taken before choosing an herbicide.

Kochia plants growing in a test plot field.

Timely Control of Kochia

Warm temperatures across South Dakota could allow Kochia to get a head start this spring. Kochia control, like all weed control, takes proactive farm management to prevent weed establishment from occurring, rather than reacting to the latest problem.

Field with field peas and blue sky with fluffy white clouds

Weed Control: Pulse Crops

Weed competition can cause significant yield reduction in pulse crops. Pulse crops are weak competitors with weeds, therefore planning an effective weed control program is one of the keys to profitable production.

Field with field peas and blue sky with fluffy white clouds

Production and Utilization of Field Peas in South Dakota

Guide to field pea production and utilization in South Dakota

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

Glyphosate Resistance in Soybeans

Many weeds have developed glyphosate resistance in the past few years. Many producers who use Roundup Ready soybeans have a temptation to rely on glyphosate products to control post-emergent weeds, causing them to potentially become resistant to the chemical. If producers are unable to gain control over the weed, then weed competition will cause a significant yield loss.

A soybean field with a large brown area due to a lightning strike.

Seeing Dead Soybean Plants in a Circular Pattern? Could Be Due to Lightning

While quite uncommon for lightning to damage row crops, it does happen. Thunderstorms can have lightning that can burn soybeans plants leading to their death.

Crop sprayer and a bottle of chemicals in a yard.

Read the Label

Last year, Bayer announced they would be phasing out glyphosate from the homeowner market, but they would be keeping the Roundup name for future marketing. Learn some important label considerations when purchasing Roundup-branded products.

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.

Group of mixed cattle grazing drought-stressed pasture.

SDSU Extension Provides Drought Management Resources

June 08, 2022

The U.S. Drought Monitor continues to classify parts of South Dakota in some level of drought. SDSU Extension has a variety of tools and resources to assist producers with drought decision making.