北方半干旱区氮肥不同配施方式对小南瓜产量的影响
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1005-9121|volume|7|73-77
ISSN: 1005-9121
Source: 中国农业资源与区划, Vol.volume, Iss.7, 2016-01, pp. : 73-77
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Abstract