The content of total potassium of soil in rhizosphere was lower than in the non-rhizosphere, the decreasing extent of total potassium in enrichment genotype was higher than in the common genotype.
籽粒苋根际土壤的全钾含量却低于非根际土壤，富钾基因型的降低幅度大于一般基因型。
Available potassium and slow-released potassium contents were decreased, and total potassium content was changed insignificantly in the soil of mono-application of nitrogen fertilizer.
单施氮肥的土壤，速效钾、缓效钾含量均降低，全钾含量变化不明显。
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