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山西省孝义市农田土壤养分的分布规律研究
高晓霞
Study on the Distribution Characteristics of Soil Nutrients in Xiaoyi City, Shanxi Province
中国农学通报 . 2015, (11): 248 -252 .  DOI: 10.11924/j.issn.1000-6850.2014-1381