Simplified methods for determining soil nutrients are perfect for your introductory environmental science classes. The strong yet lightweight carrying case with secure foam inserts is portable from lab to field. Tests include humus, nitrogen, phosphorus, and potassium, as well as pH with enough materials for 50 tests each; 100 tests for pH. Reagents, glassware, laminated color charts, and instructions are included. Size: 14"L x 12"W x 7"H; weight: 9 lbs.
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