Soybeans Article Archive

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. As some may already know, non-GMO soybeans are being contracted in South Dakota at Miller by the South Dakota soybean processors. What could this mean for producers? It may mean a niche market for soybean producers to make a little more per acre when higher crop prices are needed

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Fall is a Good Time to Test Your Soil for SCN

Is your yield monitor indicating low yielding areas in your soybean field? Soybean Cyst Nematode (SCN) could be the problem. Get to the root of the problem by testing your soil for the soybean cyst nematode. SCN management starts with a soil test to determine the presence or absence of this nematode in the soil. Absence may indicate either the SCN has not established in the field or could be present in non-detectable levels.

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Marestail Control

No-till crop production in South Dakota is on the rise and new weed control measures are emerging. Some producers, mostly in soybeans this year, have had difficulty controlling marestail (also known as horseweed). Marestail is a native plant to the United States, and is considered either a winter or summer annual that is often difficult to identify. In the Dakotas, most marestail populations will germinate in the fall and bolt in the spring (winter annual).

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Late-Season Soybean Diseases: Know what’s killing your soybeans

Late-season soybean diseases can sometimes be mistaken for natural senescence. A closer look at the stems and roots of dying plants and the pattern displayed by dead plants in the field may reveal root or stem rots going on. In order to devise effective management practices for future soybean seasons, it is important to determine the cause of early soybean plants death.

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White Mold Starting to Develop in Soybeans

A few soybean fields have been found with white mold just starting to develop. White mold symptoms begin after soybean flowering, when the spores produced by the white mold pathogen land on the senescing flowers. Visible canopy symptoms of white mold include grayish pale green leaves followed by necrosis. The early symptoms can be mistaken for other diseases such as brown stem rot, stem canker or sudden death syndrome.

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Update on Soybean Aphid Populations in South Dakota

During late summer, soybean aphid populations can very quickly reach and exceed the economic threshold of 250 soybean aphids per plant. When scouting for soybean aphids be sure to also determine the average growth stage of the soybean plants within each field. Soybean aphid populations that exceed the 250 aphids per plant threshold can be managed up to the R5 growth stage (beans beginning to develop within pods at one of the four upmost nodes).

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