我省自1957年以来即注意钾肥效果的研究,由于该时期作物产量水平低,农家肥用量比例大,化学肥料用量少,所以多数钾肥试验效果均不显著,仅在缺钾的土壤,需钾较多的薯类、纤维类作物上表现了良好的效果,六十年代至今仍是氮磷肥在生产上起主要作用。近年由于化肥用量激增,1980年 Since 1957, the province has paid attention to the research on the effect of potash fertilizer. Due to the low level of crop yield and the large proportion of farmers’ fertilizer in this period and the small amount of chemical fertilizers, most of the potash test results were not significant. Only in potassium-deficient soil, Potassium more potassium, fiber crops showed good results, the sixty’s is still the production of nitrogen and phosphorus play a major role. In recent years due to the surge in fertilizer use, 1980