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Nitrogen Science Project Kit	Go back to: Water & Soil Testing
	Quantity in Basket: none Product Code: 0307-S Price: $17.50 Shipping Weight: 1.05 pounds
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Find Out About Nutrients In Soil And Plants!! Learn about plant nutrition, fertilizer, and the pollution of lakes and streams. Design an experiment to test soil samples for nitrogen or demonstrate the effects of water pollution. 20 tests.