The Garden Soil Test Kit provides rapid test procedures for quick determinations of pH, nitrogen, phosphorus and potassium. Diagrammed instructions and laminated color charts are used to measure each concentration. This kit includes 50 tests each for pH, nitrogen, phosphorus and potassium. It also contains "A Study of Soil Science" and the LaMOTTE Soil Handbook to provide in-depth background information and data for interpretation of test results Range: pH 4.0-8.0. All other elements are from Low-High.

Features:

• Kit includes:
• "A Study of Soil Science" and the LaMOTTE Soil Handbook
• 50 tests for pH
• 50 tests for nitrogen
• 50 tests for phosphorus
• 50 tests for potassium