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Tools and equations used to measure body mass index.

Body Mass Index Explained

We have all likely heard of measuring health through calculating body mass index. Body mass index is a ratio of your weight to height and a screening method used to determine a person’s weight category.

Left: Black soil tarp on a research plot. Right: The same research plot uncovered, revealing little-to-no weed pressure.

Early Season Soil Solarization and Occultation Impacts on Weed Pressure and Onion Yield in Eastern South Dakota: Year 2 (2024) Results

Research report on whether soil tarping can reduce weed pressure in onion yields for the second year

A patch of switchgrass growing at the edge of a field.

Warm-Season Grasses of South Dakota

Fact sheet about warm-season grasses in South Dakota.

A green pasture and trees with a stream in the background

The Mortenson Ranch Story: Balancing Environment and Economics

The Mortenson Ranch Story is a remarkable account of the restoration of a western South Dakota landscape devastated early in the 20th century by homesteading and drought.

Hereford heifers feeding from trough during drought.

Livestock Tools for Managing Through Drought

As drought conditions continue, ranchers are faced with making some difficult decisions. South Dakota State University Extension offers multiple tools and resources that can be used to help make the best management decisions for your operation.

collection of various fishing lures

4-H Hobbies & Collections Project

Too busy to begin a new 4-H project? That is okay! What you are already doing in your leisure time for enjoyment can be turned into a 4-H exhibit!

Several black beef cattle close together feeding.

Tuberculosis in Cattle: What You Need to Know

Bovine tuberculosis is a chronic and slowly progressive disease of cattle that emerges periodically in the U.S. Cases of bovine tuberculosis are usually diagnosed on the basis of tell-tale abnormalities found on slaughter inspection.

Small flock of sheep grazing in a pasture.

Supplementation Considerations for Ewes Grazing Dormant Winter Pastures and Rangelands

A recent collaboration between South Dakota State University and the University of Wyoming addresses the many questions surrounding grazing supplementation for sheep as forages enter dormancy.

Variety of fresh vegetables in blue plastic totes on a table at a farmers market.

Food and Product Regulations for the Farmers Market

Food safety regulations can come from the federal, state or local government. This article provides information on numerous regulatory topics as they apply to vendors and market managers involved with farmers markets.

Various chemical symbols for common nutrients found in garden soil over a selection of young plants emerging from garden soil.

Interpreting Soil Tests for Gardening

There are many different chemicals that make up plants. These chemicals include hydrogen, carbon, oxygen, nitrogen, phosphorus, sulfur, calcium, magnesium, iron, manganese, copper, boron, zinc, molybdenum, cobalt, and chlorine.