长期化肥投入对我国粮食产量影响的实证

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2096-2762|volume|21|61-67

ISSN: 2096-2762

Source: 中国国际财经:中英文版, Vol.volume, Iss.21, 2016-01, pp. : 61-67

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Abstract