广西中东部9县区农田土壤Se输入通量研究
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Selenium input flux in farmland soil of 9 counties in the middle east of Guangxi
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图6. 广西中东部9县区农田土壤Se的3外源输入通量比例关系 |
Fig.6. Contributions of different input types to total inputs of Se in 9 counties of the middle east of Guangxi |
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