UNIVERSITY OF MISSOURI EXTENSION

Fertility

Good soil fertility is vital for crop production. Learn more about nutrients, fertilizer prices, soil testing and management on this page.

General

Nutrient Management Planner (Missouri)
Nutrient Management Program (Missouri)
Soil Management and Fertility (Iowa State)
Nutrient Management (Minnesota)

Macro-Nutrients

Nitrogen

Nitrogen Resources (Missouri)

Phosphorus

Phosphorus Resources (Missouri)

Potassium

Potassium Resources (Missouri)

Lime

Liming Missouri Soils (Missouri)
Missouri Limestone Quality: What is ENM? (Missouri)
Missouri Ag Lime Sources (Missouri)

Fertilizer

Fertilizer Prices (Missouri)
Missouri Fertilizer Reports (Missouri)
Missouri Fertilizer Use Maps (Missouri)
Value of Manure as a Fertilizer (Missouri)
Manure Value Spreadsheet (Missouri)

Soils and Testing

Soil Survey Tool (USDA-NRCS)
Soil and Plant Diagnostic Services (Missouri)
Online Fertility Recommendations (Missouri)
Interpreting Missouri Soil Test Reports (Missouri)
Soil Sampling Hayfields and Row Crops (Missouri)

Nutrient Deficiencies and Toxicities

Crop Nutrient Deficiencies and Toxicities (Missouri)

Site Evaluation

Business Environmental Risk Management (Missouri)