当土壤经过干湿以后，土壤会发生明显的固定钾作用，土壤含钾量越高，固定钾能力越强。
The soil potassium fixation was increased after dry and humid alternation. Soil with higher potassium content had a higher fixation ability.
试验结果也表明，在生长中期土壤水分保持在60%，生长后期保持在80%的处理在获得了较高产量的同时也获得了较高的烟叶含钾量。
The experiments also indicated high leaf yields and potassium content in the treatment of soil moisture at the level of 60% in middle stage and 80% in latter stage respectively.
土壤水分和钾用量能提高叶片栅栏组织和海绵组织的含钾量。
Soil moisture and potassium amount could improve potassium content of palisade tissue and spongy tissue.
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