田间尺度下农地土壤质量评价——以榆林市榆阳区芹河乡为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1672-2914|31|2|71-74
ISSN: 1672-2914
Source: 咸阳师范学院学报, Vol.31, Iss.2, 2016-01, pp. : 71-74
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Abstract