闽侯县表层土壤及农产品硒含量特征
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Selenium contents in surface soil and agricultural products in Minhou County
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图2. 闽侯县硒元素地球化学等级及天然富硒土地潜力区分布 |
Fig.2. Geochemical grade of selenium element and distribution map of natural selenium-rich land potential area in Minhou County |
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