Deluxe Garden Soil Testing Kit checks available nitrogen, phosphorus, potassium and soil pH for flowers, vegetables and herbs. The box includes hardware, supplies, diagrammed instructions, laminated color charts and three reference handbooks.
Follow the step-by-step procedures to read results against the charts, then use the handbooks to interpret lime and fertilizer needs. One kit runs 15 tests each for nitrogen, phosphorus and potassium and 30 tests for pH.
