Fertilizer & Soil

Fertilizer & Soil Calculators27

NPK rates, lime, compost, and nutrient calculators for 22 crops.

General Calculators

Calculate exact nitrogen, phosphorus, and potassium application rates based on soil test results and field size.

Estimate total fertilizer cost per acre including product cost, quantity needed, and cost per acre breakdown.

Calculate how much agricultural lime to apply based on current soil pH, target pH, and buffer pH from your soil test.

Determine how much compost you need based on area, desired depth, and compost density.

Calculate nitrogen fertilizer needs based on yield goal, previous crop credits, and soil organic matter.