Being different from former two factors, with potassium application rate promoted, potassium apparent utilization ratio was reduced in the beginning, but rose in the end.
磷肥表观利用率随施磷量增加而降低，钾肥表观利用率出现先降低后增加的变化趋势。
Being different from former two factors, with potassium application rate promoted, potassium apparent utilization ratio was reduced in the beginning, but rose in the end.
磷肥表观利用率随施磷量增加而降低，钾肥表观利用率出现先降低后增加的变化趋势。
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