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Cream mite on a green-colored caterpillar.

Straw Itch Mites

Straw itch mites, also known as hay mites or grain mites, can be a major problem when present in hay or grain. The best way to avoid a straw itch mite infestation is to keep commodities at low moisture levels and bale straw when it is thoroughly dry.

Three poisonous rangeland plants. From left: Hemlock, Halogeton and Buffalo Bur.

Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur

Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.

A lush, green lawn with a few scattered weeds throughout.

Use Caution With Turf Herbicide Applications During Extreme Heat and Drought

Dry conditions cause weeds to be under stress. This decreases herbicide effectiveness with annual, biannual and perennial plants. So, is there a safe option for weed control in yards during high temperatures and dry conditions?

ALT: Left: Green Plamer amaranth next to a green sunflower. Right: Green plant with green, spiny structure at leaf base.

Palmer Amaranth: Now Is the Time to Scout

South Dakota State University (SDSU) Extension encourages farmers, ranchers and other landowners to start scouting for Palmer amaranth, a weed that has been rapidly spreading north into the United States and is likely to be glyphosate-resistant.

tractor near pile of harvested silage

Salvaging for Silage: Tips to Minimize Loss, Maximize Value

August 09, 2021

With South Dakota rangeland and pastures rated 84% poor to very poor across the state, many cattle producers may be thinking about putting up silage for a feed source.

Low larkspur and twogrooved poisonvetch plants growing in rangeland.

Poisonous Plants on Rangelands: Larkspur and Poisonvetch

Larkspurs are the second leading cause for all livestock deaths from toxic plant poisoning. Poisonvetches are considered accumulator plants that uptake excessive levels of selenium and cause toxicity problems in cattle.

A group of people in a soybean field with white insect nets

SDSU Extension to Offer Integrated Pest Management Field School Online

July 30, 2021

South Dakota State University Extension will kick off its 13th annual Integrated Pest Management (IPM) Field School Aug. 1.

Paul O. Johnson making notes about a field of corn

SDSU Extension to Tackle Weed, Pest and Drought Inquiries at State Fair

August 23, 2021

To address drought concerns, as well as weed and pest inquiries, South Dakota State University Extension will feature two booth locations at the 2021 South Dakota State Fair Sept. 2-6 in Huron.

Hand examining drought-stressed soybeans in the field.

Salvaging Drought-Stressed Soybeans as Feed

One of the more popular questions we’ve been receiving lately involves using soybeans as forage. Although the soybeans planted for grain are not typically bred for forage use, we can salvage the crop for said forage if need be.

cows eating silage

What’s Important to Know About Silage Additives & Inoculants? 

Corn is suited to preservation as silage. Silage additives can be used to remedy deficiencies such as lack of sufficient population of bacteria to support adequate fermentation, and low levels of fermentable carbohydrates.