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man holding a small pile of soil in his hands

X-Ray Scanning Confirms Soil Health Benefits from Conservation Practices

Summary report of X-ray scanning confirms soil health benefits from conservation practices.

Ruth Beck to Retire from SDSU Extension Agronomy Team

October 12, 2021

After 17 years providing education and service to South Dakota growers and agribusiness professionals, SDSU Extension Agronomy Field Specialist Ruth Beck has announced her retirement.

A bare crop field ready for planting

Nitrogen Credit: The Rest of the Story

We have all been programmed to think of soybean as fixing nitrogen from the atmosphere and adding nitrogen to the soil. The SDSU lab and most other labs give nitrogen “credit” when another crop follows soybeans.

Rows of soybean growing in corn residue in a diverse, no-till crop rotation.

Economics of Different Crop Rotation Systems in South Dakota

Economic returns are an important factor to consider when selecting crop rotation systems.

A soybean root with several small white cysts growing on it.

Scout and Soil Test for the Soybean Cyst Nematode 

Soybean cyst nematode (SCN) is the main soybean production constraint in South Dakota. Soybean plants can be infested with SCN but may not display visible symptoms.

Camelina crop growing in a field.

Spring and Winter Camelina in South Dakota

In the semi-arid, western portion of South Dakota, camelina has potential value as a fall-seeded cover crop, providing flexibility in crop rotations for improving soil health.

A tiger swallowtail drinking nectar from a purple blazing star flower.

Five Range Management Principles: #3 Ecosystem Biodiversity

Milkweed can help make rangelands a better environment for both cattle and neighboring plants and animals by having a shielding effect on companion plants, preventing erosion and accelerating the decomposition process, whole also providing nectar, habitat and organic material for ecosystem services.

A sprawling, planted field with young crops emerging

Fall Cover Crops Boost Soil Arbuscular Mycorrhizal Fungi Which Can Lead To Reduced Inputs

Fall cover crops provide multiple benefits to producers. These benefits include pathogen and pest protection, drought protection, weed control, reduced soil erosion, nutrient acquisition and retention, increased soil organic matter, and conservation of soil water by improvement of soil structure that increases infiltration and water holding capacity.

Wheat leaf showing the green and yellow mosaic streaking associated with WSMV.

Wheat Streak Mosaic Virus Showing Up in Fields

Wheat streak mosaic virus is a viral disease, which has been found in samples recently sent into the SDSU Plant Diagnostic Clinic. Learn how to identify it before it takes a toll on wheat crops.

Small white mites crawling on a blade of wheat.

Managing Wheat Curl Mite

Wheat curl mite is one of the more difficult pests to manage in wheat. This is in part due to the limited options available for preventing populations from infesting a field and rapidly reproducing.