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
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.