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A sprawling sorghum field ready for harvest

Sorghum Weed Control

Early competition, especially from grass, is critical for successfully controlling weeds in sorghum. There are preemergence as well as postemergence herbicides available for this crop. Early treatment provides the best control of broadleaved weeds with crop stage also being a critical factor for some postemergence treatments.

man holding a small pile of soil in his hands

Recommended Soil Sampling Methods and Instructions

Proper collection of soil samples is extremely important as the accuracy of the soil test depends on the quality of the soil sample provided to the lab.

A sprayer applying pre-emergent pesticide to a bare field.

Herbicide Rotation Restrictions

This is a quick reference guide to common herbicides and their rotation restrictions for selected crops.

Woman in pink shirt buckling helmet under her chin

Bike Safety

View information about the benefits of biking and how to ride safely.

corn field with sunrise in the background

2019 Survey South Dakota Corn Nutrient Management Practices

Data from the 2019 survey South Dakota farmers was used to examine how local and operational characteristics such as geographic location within SD, tillage practice, and farm size were related to the adoption of various nutrient management practices.

Youth For The Quality Care of Animals (YQCA) logo in front of a black and white image of a young girl feeding a small animal with a bottle

Youth for the Quality Care of Animals (YQCA) in South Dakota 4-H resources

About YQCA – the national program
Youth for the Quality Care of Animals (YQCA) is a national multi-species quality assurance program for youth ages 8 to 21 with a focus on three core pillars: food safety, animal well-being, and character development. The YQCA program is an annual certification created for youth producing and/or showing beef cattle, dairy cattle, sheep, meat goats, dairy goats, swine, poultry, and rabbits. The program has been designed by extension specialists and national livestock program managers to ensure it is accurate, current and relevant to the needs of the animal industry and shows, and is appropriate for youth learning levels.

man holding a small pile of soil in his hands

Fertilizer Recommendation Guide

SDSU Extension fertilizer recommendations are based on field research in South Dakota and neighboring states.

oats

Oat Variety Trial Results

In 2023, oat variety trials were planted at 7 locations and a regional summary in South Dakota.

a stretching field of green corn plants

Comparing Yield Goal and Maximum Return to Nitrogen Prediction Methods for Determining Corn Economic Optimal Nitrogen Rates

Fact sheet evaluating the accuracy of different corn nitrogen recommendation approaches with their advantages and disadvantages.