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农学学报
离石区不同种植年限大棚土壤养分累积特征
贺小琴
Study on Soil Nutrient Accumulationin of Greeenhouse In Different Plangting Years In Lishi
农学学报 . 2014, (8): 43 -47 .  DOI: 10.11924/j.issn.2095-4050.2013-xb0893