While, the ration of roots and shoots and the length of main root of two genotypes on deficient potassium soil were only half than that in low potassium solution culture.
同时，两种基因型在缺钾土壤上的根冠比和主根长仅为低钾溶液培养时的一半左右。
Beneficial effects of Bacillus mucilaginosus preparation on the growth of rice plant in the potassium deficient soil are described in the paper.
描述了在速效钾缺乏的土壤上，施用钾细菌制剂对水稻生长发育的促进作用。
The analytical data revealed that the potential fertility of the dryland soils was rather low, such as nitrogen, phosphorus and potassium content in soil were deficient on the whole.
分析数据表明，该区旱地土壤潜在肥力较低，有机质含量差异较大，大部分土壤氮、磷、钾养分供应不足。
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