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K2O content and variation reflect the evolution of the rock and K-metasomatism.
钾质高低及变化可反映岩石演化程度和钾交代作用。
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Nitrate content in fruit decreased with the increase of K2O.
番茄果实硝酸盐含量随着K2O用量增加而下降。
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Nitrate content in fruit decreased with the increase of K2O.
番茄果实硝酸盐含量随着K2O用量增加而下降。
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