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Earthworms on the soil surface inside a white hard-plastic ring, after mustard-vinegar solution was drained down through the soil profile forcing earthworms out onto the surface in order to be counted.

How’s Life in the Soil? Ask (Count) the Earthworms.

Earthworms are ‘very special’ creatures on earth, and their contribution in soil nutrient cycling and fertility management has been acknowledged from the beginning of agriculture. So, the question needs to be asked, how can we help improve earthworm populations?

A farmer watching the sun rise in a bare, unplanted field.

Crop Tolerance to Soil Herbicide Residual

Some herbicides can persist in soil, especially dry soil. Herbicide carryover could be an issue in 2021 across the state depending upon last year’s moisture levels and field conditions.

Young tomato plants surrounded by organic mulch in a no-till garden.

Weed Control in No-Till Gardens

Mulch is the key to successful weed control in no-till gardening. It is best to start a no-till garden in the fall to give applied mulch the time to breakdown and suppress any weed growth.

Series of trophies on display at a 4-H contest.

South Dakota 4-H Missed Deadline Agreement

Form for missed deadlines for State 4-H Events

Revegetation of Salt-Impacted Soils in South Dakota

This publication provides suggested native species suitable for the revegetation of salt-impacted soils. The suggested species are listed as native to South Dakota according to the USDA NRCS Plants Database.

Cover crops emerging from a no-till field.

Soil Organic Matter Matters: How Conservation Practices Bring Value to Farmers

Conservation management practices, such as conservation tillage, cover crops, diverse crop rotation and livestock integration, help improve soil health over time and offer producers numerous economic benefits.

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.

Field with field peas and blue sky with fluffy white clouds

Production and Utilization of Field Peas in South Dakota

Guide to field pea production and utilization in South Dakota

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.