宁夏石嘴山地区富硒土壤及其利用前景
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A preliminary study of Se-rich soil in the Shizuishan area, Ningxia and its potential for application
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图1. 研究区区域位置(a)及土壤富硒区分布(b) |
Fig.1. Regional location (a) and distribution of Se-riched soil (b) in the study areas |
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