Question & Answer: A farmer applies nitrogen fertilizer at a rate of 150 lb/A, and tills it in to a depth of three inches…..

A farmer applies nitrogen fertilizer at a rate of 150 lb/A, and tills it in to a depth of three inches. A layer of soil, one acre in area, and 3 inches deep, weighs about 814,000 pounds. Calculate the concentration of the nitrogen in the soil, in ppm.

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Question & Answer: A farmer applies nitrogen fertilizer at a rate of 150 lb/A, and tills it in to a depth of three inches..... 1

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