for Nitrogen-Phosphorus-Potassium
N.P.K. soil test kit including 25 packets each of nitrogen (MT5009), phosphorous (MT5010), potassium (MT5002), 3 - 100 ml bottles of extraction solution (MT5015), 3 color cards, 5 vials, 1 vial holder, 1 brush, 3 pipettes, 1 measuring spoon and soil test handbook.
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