水旱灾害、水利投资对粮食产量的影响

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1009-9107|16|5|136-142

ISSN: 1009-9107

Source: 西北农林科技大学学报:社会科学版, Vol.16, Iss.5, 2016-01, pp. : 136-142

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Abstract