The effect of potassium application in the farmland in Gansu corridor and the fluctuation of potassium in soil are discussed.
介绍河西农田施钾效应及土壤钾素消长变化情况。
Different combined application fertilizer of potassium, calcium and magnesium had significant effect on the nutrients content and total uptake of nutrients.
钾、钙、镁肥不同配施对烟株养分含量和吸收量均有明显的影响。
As the potassium content in meadow soil in Hongxinglong Farm is fairly high, the effect of potash application on the increase of crops yield was not very significant.
红兴隆草甸土钾素含量较高，施钾对大豆和小麦有一定的增产效果，但增产幅度不大。
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