Calculation Pages

Calculation Pages

These pages are operational forms that calculate application rates based on soil test data. Enjoy!

IMPORTANT NOTE: The application rates that these forms suggest are for correcting imbalances only and do not include fertilization for crop removal. Please refer to our Application Guide which provides fertility programs for various crops.

Try the STEP BY STEP if you're not sure where to begin
STEP BY STEP Soil Test Interpretation
Lime calculation
Phosphorus (P) calculation
Potassium (K) calculation
Calcium (Ca) calculation
Magnesium (Mg) calculation
Sulfur (S) calculation
Trace elements calculation
Base saturation calculation
CEC calculation
ECEC to CEC conversion
Pounds per acre (ppa) to parts per million (ppm) conversion
C:N ratio calculation
Application rate conversion
Potting Media Amendments calculations
Container Fertilization Guide
Dissolved nutrient concentration calculation
Protein to nitrogen conversion
Elements to Plant Nutrients conversion
Plants per acre
Tree Fertilization
Measurement Conversions
What's a pound look like?
Estimated nitrogen release (ENR) table
Materials that supply nutrients table
Nutrient Removal Table