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Growing Corn

All Growing Corn Content

A mostly green corn leaf that is in brown to yellow markings caused by southern rust.

Is a Fungicide Applied at Tasseling Profitable in Corn?

Corn is currently at tasseling/silking across the state. This is usually the growth stage when a fungicide is applied to control fungal diseases.

Two leaves of corn, one showing signs of Southern Rust, the other with Common Rust.

Southern Rust Developing Late in Corn

Southern rust was found in a few corn fields scouted last week. This rust is developing very late in the season and therefore its impact on corn yield will be minimal.

Two corn diseases displayed side-by-side. The left corn plant has holcus spot lesions on its leaves. The right has paraquat drift injury.

Holcus Spot or Plant Injury?

Is your corn developing spots? Corn fields have been found with what appears to be Holcus spot, a bacterial disease. Upon further investigations, the leaves were found to be negative for any plant pathogens.

Symptoms of three common corn diseases. From left: anthracnose leaf blight, common rust and eyespot.

Is a Fungicide Needed for Developing Corn Diseases?

Corn is starting to tassel in several locations across the state. This is also the growth stage when a fungicide may be applied to control fungal leaf diseases. Diseases currently starting to develop are: anthracnose leaf blight, common rust and eyespot.

Tanks of anhydrous ammonia being pulled to a field for fertilizer application.

Determining an Economically Optimal Nitrogen Rate for Corn in 2022

While we can't know what the prices of corn and nitrogen fertilizer will be next year, it is very important to understand how the level of both prices will influence corn profitability for 2022.

A collage of farmers from different time periods sharing information.

Effecting Change Towards Economic Growth

During 2018 the main driver for South Dakota's economic growth continued to be agriculture. It is still the number one industry, with almost $20 billion in impact yearly. In today’s uncertain economic environment, two things can help farmers succeed: information and knowledge.

Hail-damaged soybean field with storm clouds in the background.

Making the Best of Hail-Damaged Row Crops

Late-season hail damage can leave growers wondering what to do next. Before deciding what to do with your hail-damaged fields, take some time to consider a variety of management options.

Corn plant with yellowing leaf edges due to potassium deficiency.

Corn Potassium and Drought

For many crop producers, potassium deficiency has become an increased concern, and this year’s drought conditions have resulted in potassium deficiency symptoms showing up in fields where it would normally not occur.

One-month precipitation outlook map for September 2020. South Dakota has a 40-50% chance of below-normal precipitation.

September 2020 Climate & Drought Outlook

Summer has its last hurrah the first week of September before we see potential for our state’s first freeze of the fall season, according to NOAA’s Climate Prediction Center.

Young corn plants emerging in a field during early spring.

Corn Emergence During Cold Weather

After a very welcome warm and relatively dry April, the month of May has brought winter-like temperatures again to South Dakota. Due to cold and wet conditions, concerns of the cold temperatures have been expressed by producers who have recently planted corn.