Soil and Nutrient Management

MSU Soil and Nutrient Management Website - Dr Kurt Steinke
MSU Department of Plant, Soil and Microbial Sciences
MSU Soil Testing Lab

Nutrient recommendations for Field Crops in Michigan (E2904)
Nutrient Management study modules from Montana State University
Advanced soil organic matter management

Climate change and soil management in field crops

MSU Nutrient Recommendations Converter 

N-P-K Fertilizers
Nitrogen Fertilizers, N-P-K Fertilizers
Nitrogen losses from soil
Phosphate Fertilizers, N-P-K Fertilizers
Potassium for crop production
Regulation No. 642. on Farm Fertilizer Bulk Storage
Sampling Soils for Fertilizer and Lime Recommendations
Selecting forms of nitrogen fertilizer
Sulfur for crop production
Urea
What happens to Anhydrous Ammonia in Soil
Lime for Michigan Soils