Effect of Organic Manure Applied during Preceding Crops on Nitrogen Fertilizer Availability of Flue-cured Tobacco Using the Isotope 15N Trace Technique
Xu Zhaoli, Yang Yuhong
Effect of Organic Manure Applied during Preceding Crops on Nitrogen Fertilizer Availability of Flue-cured Tobacco Using the Isotope 15N Trace Technique
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