Content by Jason Clark
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.
Fall Soil Sampling
With fertilizer prices on the rise, it’s more important than ever to understand your soil test levels and crop response to applied fertilizers. Fall is a great time to soil sample before freeze up.
What Is Causing Soybeans to Yellow at This Time?
Recently scouted soybean fields were observed with yellowing plants, and one field was found to have plants dying prematurely. Learn some of the factors that may cause soybean plants to yellow at this time in the growing season.
Corn Potassium and Drought
For many crop producers, potassium deficiency has become an increased concern, and this year’s drought conditions have resulted in potassium deficiency symptoms showing up in fields where it would normally not occur.