Perspectives on the Nitrogen Cycle - PowerPoint PPT Presentation

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Perspectives on the Nitrogen Cycle

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Perspectives on the Nitrogen Cycle ... minus harvest removals -52 +1 +227 +53 Comparison of Nutrient Balances Ju et al. 2009 Maize-Wheat double-cropping, ... – PowerPoint PPT presentation

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Learn more at: http://www.nrcs.usda.gov
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