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A soil is sampled to a depth of 24 inches. The sample was sent to a lab, and the lab said that the soil contains 15 mg/kg of plant-available nitrogen. An acre of soil, to a depth of 24 inches, weighs about 6.5 million pounds. How many pounds per acre of plant-available nitrogen are in this soil, to a depth of 24 inches? A corn crop is going to be grown, that will take up about 150 pounds per acre of nitrogen. Is there adequate available nitrogen already in the soil, or will additional fertilizer be needed?
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Question & Answer: A soil is sampled to a depth of 24 inches. The sample was sent to a lab, and the lab said that the…..
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