Content by Jason Clark
80 South Dakota farmers needed for nationwide soil health project: Enroll today
April 03, 2025
South Dakota State University Extension is inviting South Dakota farmers to participate in a new soil health survey.
Fertilizer Placed With the Seeds in Dry Soil Conditions
Climate patterns can shift from wet to dry very quickly. A current consideration is thinking about seed injury from furrow-placed fertilizers, and there are notable differences among crops for tolerance of seed-placed fertilizers.
Starter Fertilizer Calculator and Final Report
Decision aid to assist crop planners in selecting the maximum safe fertilizer rate that can be applied with the seed for various crops.
New digital Fertilizer Recommendation Support Tool launches nationwide
April 11, 2024
South Dakota State University Extension and project partners are proud to announce the nationwide release of the Fertilizer Recommendation Support Tool (FRST), a decision aid that provides an unbiased, science-based interpretation of soil phosphorus and potassium values for crop fertilization.
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.
Monitoring Corn Nutrient Deficiencies: The Traditional and Precision Ag Approach
To maximize growth and productivity, plants require 17 different nutrients.
SDSU Extension releases updated 2023 corn nitrogen fertilizer rate guidelines
March 27, 2023
South Dakota State University Extension has updated the corn nitrogen Fertilizer Recommendations Guide to reflect lowered rate recommendations.
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.
South Dakota Fertilizer Rate Guidelines Calculator for Corn, Soybean, and Wheat
Calculator for Fertilizer Guidelines for Corn, Soybean and Wheat in South Dakota
Updating Corn Nitrogen Fertilizer Rate Recommendations in South Dakota
Fact sheet updating corn Nitrogen Fertilizer Rate Recommendations in South Dakota.