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采用基肥与追肥分次施钾的方法,可以在同等供钾水平下,促进白肋烟地上部生长,提高烟叶产量和烟叶含钾量。分次施钾可以提高所施钾肥的吸收效率,改变钾素在不同部位烟叶中的分配比例,特别对腰叶和上二棚烟叶含钾量的增加更为明显。
Using basal fertilizer and topdressing applied potassium by different levels can promote the growth of burley aboveground and increase the yield of tobacco leaves and the potassium content of tobacco leaf under the same level of potassium supply. Graded potassium application can improve the absorption efficiency of applied potassium, change the proportion of potassium in different parts of the distribution of tobacco leaves, especially on the leaf and leaves on the second studio increased potassium content of more obvious.