The loss of fine soil has the most sensitive impact on available potassium.

土壤细颗粒的损失对土壤有效钾影响最大。

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Rapidly available potassium contents in 77.3 % production units were middle.

速效钾含量处于中下水平的生产单位占77.3%；

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Rapidly available potassium contents in 77.3 % production units were middle.

速效钾含量处于中下水平的生产单位占77.3%；

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