Nutrient Management

Analytical Research Laboratory

Extension Soil Testing Laboratory

Soil and Water Science Department

Manure Testing Laboratory

 

Basic Soil Fertility

Presentations

Basic Soil Fertility, Nutrient Management and Water Quality

The Phosphorus Index and Nutrient Management Planning

 

Notes/Handouts

Soil Acidity

Soil Acidity Portable Document Format (pdf File)

Essential Nutrients and Ionic Forms

Essential Nutrients Portable Document Format (pdf File)

Cation Exchange

Secondary and Micronutrients

Secondary Nutrients Portable Document Format (pdf File)

Soil Textural Triangle

Mineral versus Organic Soil Material

Chelates

Phosphorus Cycle

Nitrogen Cycle

Nitrate Levels in Soil and Nitrification

pH Range Conversion Charts

Conversion Charts Portable Document Format (pdf File)

Reference Materials

The following files can be found online at http://edis.ifas.ufl.edu under the Soil and Water Science Handbook.

Florida Phosphorus Index (67 Counties)

UF/IFAS Standardized Fertilization Recommendations for Agronomic Crops

UF/IFAS Standardized Fertilization Recommendations for Vegetable Crops