粮食作物良种补贴政策的产量效应分析——基于省际面板数据的研究

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 2095-6924|16|3|269-276

ISSN: 2095-6924

Source: 农林经济管理学报, Vol.16, Iss.3, 2017-01, pp. : 269-276

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Abstract