河北省不同利用方式农田土壤氮磷环境风险分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1005-9121|volume|7|96-100
ISSN: 1005-9121
Source: 中国农业资源与区划, Vol.volume, Iss.7, 2016-01, pp. : 96-100
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Abstract