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Review the concept of Fertilizer Nitrogen Recovery Rate and Determination by 15N Tracer
田昌玉 左余宝 林治安 赵秉强 孙文彦 唐继伟
Chinese Agricultural Science Bulletin . 2010, (17): 210 -213 .  DOI: 10.11924/j.issn.1000-6850.2010-0739