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Teacher Developed Classroom Tested

All the materials needed for establishing an accurate and detailed soil evaluation program.

Individual modules of chemical test equipment allow students to investigate soil pH, nitrogen, phosphorous and potassium. Each module includes detailed Instructions and sufficient materials for making 50 tests.

Includes: pH comparator unit, nitrogen unit, phosphorous unit, potassium unit, soil texture and classification unit, soil sampling tube, soil sample bags, a copy of A Study of Soil Science, Instructions and a sturdy carrying case.
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