In the spring a certain surface soil showed the following soil test: soil solution K = 20
Question:
In the spring a certain surface soil showed the following soil test: soil solution K = 20 kg/ha. exchangeable K = 200 kg/ha. After two crops of alfalfa hay that conlained 250 kg/ha of potassium were harvested and removed, a second soil test showed soil solution K = 15 kg/ha and exchangeable K = 150 kg/ha. Explain why there was not a greater reduction in soil solution and exchangeable K levels.
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Cultivation of alfalfa hay requires the management with artificial ...View the full answer
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Related Book For 
The Nature and Properties of Soils
ISBN: 978-0132279383
14th edition
Authors: Nyle C. Brady, Ray R. Weil
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