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A simple, economical kit for soil science education or home gardening. Rapid test procedures and laminated color charts give low-medium-high concentrations for nitrogen, phosphorus, and potassium (15 tests each). A pH indicator and color chart cover the range pH 4.0-9.0 (30 tests). A garden guide manual and soil handbook facilitate interpretation of test results and give lime and fertilizer recommendations.
Price: $49.95 Click here for more info.
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