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grass with field bindweed, a viny green weed with white flowers

Weed Control: Noxious Weeds

Weed control recommendations for noxious weeds in South Dakota.

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.

Screenshot of the SDSU Extension Net Income Tool displaying Corn Expected Net Income Per Acre for East Central South Dakota.

South Dakota Grain Net Income Tool

South Dakota producers can use the SDSU Extension Net Income Tool to monitor their expected net income per acre given their location, commodity of interest, and changes to market prices. The tool gathers the most-recent end-of-day market prices to determine the latest expected net income for wheat, corn, and soybeans in the different regions of the state. 

Nitrogen rate map layered on top of a field

South Dakota On-Farm Nitrogen Rate Trial Program

The on-farm corn nitrogen fertilizer rate trial program will help farmers, crop advisors and ag service providers to design, implement, and analyze nitrogen rate trials.

Field of green soybean plants with green corn and blue sky in the background.

EPA Approves Dicamba for Over-the-Top Applications in Tolerant Soybean in 2026 and 2027

The Environmental Protection Agency has issued a limited-time registration of over-the-top use of dicamba on tolerant cotton and soybean for two growing seasons, 2026 and 2027.

Several rows of broccoli plants with varying planting treatments.

Clover Cover Crops as a Living Mulch for Broccoli Production in Eastern South Dakota: 2022 Preliminary Results

A recent project at the SDSU Specialty Crop Research Field investigated using clover species as a living mulch for broccoli production systems to improve soil quality and suppress weeds.

Equipment used to measure soil gas emissions resting in a field.

Soil Carbon Cycle and Laboratory Measurements of Carbon Related to Soil Health

Carbon is one the most-important elements in agricultural soils. Take in-depth look at how carbon is understood, measured, and managed to benefit soil health in agricultural production.

Row of pepper plants growing among a bed of white clovers.

Clover Cover Crops as a Living Mulch for Pepper Production in Eastern South Dakota: 2022 Preliminary Results

A recent project at the SDSU Specialty Crop Research Field investigated using clover species as a living mulch for pepper production systems to improve soil quality and suppress weeds.

Adult red earthworm, cabbage looper, and brown-belted bumble bee.

The Seen and Unseen World of Invertebrates and Vegetables: The good, the bad, and the cute

The seen and unseen worlds of invertebrates in our gardens offer an opportunity to understand how each organism plays a crucial role in the balance of our environment, whether they are good, bad, or even cute.

Two photos of alfalfa weevils during different lifecycle stages. The left is the larva stage and has a longate, green larvae that looks like a caterpillar with white stripe running down the body and brown h

Alfalfa Weevils Are Active, and It’s Time to Scout

Scouting and managing alfalfa weevils when they reach the determined thresholds can prevent yield loss and encourage healthy regrowth of infested alfalfa stands.