The results show that the combined applications of potassium permanganate and chloramine are more effective to the inactivation of the indicator microbe than their individual application.
结果表明，高锰酸钾和氯胺联用对指示微生物灭活效果好于这两种消毒剂单独使用的效果。
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。
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