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Dark green corn plants without any visual sign of nutrient deficiency symptoms.

Evaluating the Effect of Clay Mineralogy on Soil Test K Levels and K Fertilizer Recommendations for Corn

Learn how clay mineralogy affects soil K levels and K fertilizer recommendations for corn.

A white, four-dimensional 4-H clover sits next to votive candles as a table centerpiece

South Dakota 4-H Key Award Application

South Dakota 4-H Key Award application and information.

Photo of corn planted two weeks apart. Early planted corn on the left much larger than the later planted corn on the right.

Can Soil Health Measurements Improve Corn Potassium Fertilizer Recommendations?

Learn how soil health can impact corn potassium fertilizer recommendations.

A hand picking a file in a file cabinet

Organize This! Resources

View the documents and forms for the Organize This! Financial, Health, and Legal Must-Haves program.

oats

Oat Variety Trial Results

In 2026, oat variety trials were planted throughout various locations in South Dakota.

tall trees in the Black Hills

Tree Pest Alert

From seasonal issues and timely recommendations to disease diagnosis and expert advice, the Tree Pest Alert is a trusted resource for selecting, planting and caring for trees and shrubs all year round.

Dave Anderson, President, Mt. Vernon Economic Development Group

South Dakota Newcomers Survey Report

Results from the 2024 state-wide Newcomer Survey, which was administered to gain a better understanding of the newcomer population in South Dakota.

corn field with sunrise in the background

Corn Hybrid Trial Results

In 2026, corn hybrid and conventional corn hybrid trials were conducted at different locations throughout South Dakota.

Group of Rangeland and Soils Day competitors observing grassland conditions during the competiton.

Judging South Dakota Rangelands for Livestock and Wildlife Values

This guide is for high school age students to prepare for range judging contests in South Dakota.

Two tractors pulling grain carts in a corn field

Can Including Soil Biological and Physical Measurements Improve the Predictability of Corn Response to P Fertilization

The objective of this research was to determine if the predictability of yield response to P fertilization would be improved by considering additional selected measurements of the soil biology, physical, and chemical properties.