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A yellowing soybean plant with brown spots on the leaves.

Soybean Diseases Update

A few soybean fields scouted had between low to moderate levels of brown spot (also known as Septoria leaf spot). Soybean planted into soybean stubble had elevated levels of brown spot.

Gardener re-potting several seedlings that were started indoors over winter.

Winter Garden Education Opportunities To Cultivate Your Curiosity

Anxious to get your garden off to a good start this spring? Explore some resources and learning opportunities to grow your gardening knowledge this winter!

soybean field with white mold

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.

Participants inspecting a rangeland area during the South Dakota Rangeland Days event.

38th Annual Rangeland and 17th Annual Soils Days Set for June 14 and 15 in Murdo

March 28, 2022

Rangeland and Soils Days offer a unique opportunity for youth and adults alike to learn more about South Dakota’s natural resources.

Producers surveying a rangeland site.

Five Range Management Principles: #1 Adaptive Management

Adaptive management is a process that livestock producers can incorporate into their operation to increase operation flexibility and adjust to changing conditions.

Oats growing in a no-till field.

Planting Considerations for Oats in South Dakota

South Dakota is a leading oat producer in the United States. Learn some important oat planting tips, including timing, variety selection, seeding rate and fertilizer management.

soybean pods

New Multi-State Extension Publication: Managing Insecticide-Resistant Soybean Aphids

The first pyrethroid resistant soybean aphids were reported in Minnesota in 2015. Since then, pyrethroid resistant soybean aphids have been reported in Iowa, North Dakota, and South Dakota. In an effort to address resistance, researchers from those states have put together a new extension publication.

Group of Rangeland and Soils Day competitors observing grassland conditions during the competiton.

Judging South Dakota Rangelands for Livestock and Wildlife Values

Guide for judging South Dakota rangelands for livestock and wildlife values

a small red bug on a green leaf

Overwintering S.D. Bean Leaf Beetles: 2017 predicted mortality

The overwintering generation of bean leaf beetle adults emerge in the spring and can cause serious defoliation injury to seedling soybean plants. However, the abundance of overwintering bean leaf beetles is negatively affected when the air temperatures get too cold. Therefore, an estimate of the emerging populations can be made based on how cold the winter was.

Image of 2-digit HUC boundaries in continental United States. For a complete description of this graphic, please call SDSU Extension at 605-688-4792.

What is a Hydrologic Unit Code (HUC)?

HUC is the acronym for Hydrologic Unit Code. It is a hierarchical land area classification system that is based on surface hydrologic features in a standard, uniform geographical framework.