605-688-4395
Berg Agricultural Hall 310
Agronomy, Horticulture & Plant Science-Box 2207A
University Station
Brookings, SD 57007
Soil fertility guidelines for South Dakota cropping systems
Jason Clark
Assistant Professor & SDSU Extension Soil Fertility Specialist
Also by Jason Clark
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.