寿县棉农在常年农业生产中只注重氮素肥料和磷素肥料的施用，但钾素始终未能得到有效补充，故而造成全县多数棉田土壤缺钾。对此笔者配合寿县农技工作者在寿县陶店乡开展了有关棉田施钾效用的试验与探讨，现就有关情况论述如下。一、试验方法试验选在寿县植棉中心地带陶店乡桃 Shouxian cotton farmers in the annual agricultural production only focus on the application of nitrogen fertilizers and phosphorus fertilizers, but potassium has not been able to effectively supplement, resulting in the county most cotton fields potassium deficiency. In this regard, I cooperate with Shouxian agricultural workers Taodian Shouxian carried out on the cotton field of potassium test and explore the effect of the situation are as follows. First, the test method selected test Shouxian cotton center Taodao peach