Soil pH Calculator
Assess soil pH and amendment needs
sq ft
Formula
Lime ≈ 0.5 lb/sqft per pH unit; Sulfur ≈ 0.3 lb/sqft
Approximate amendment rates; actual varies by soil type.
Examples
pH 5.5 → 6.5, 100 sq ft
~50 lbs lime needed.
Frequently Asked Questions
About Soil pH
Assess soil pH and calculate lime or sulfur amendments needed.
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