土壤种类对施用钟肥的增产效果悬殊很大,同种土壤又以耕作、施肥、管理条件特别是水肥管理上的差别,对钾肥肥效产生显著影响。一、土壤种类与钾肥肥效土壤种类对钾肥肥效的影响,首先是土壤钾素含量和供应状态对钾肥肥效的 The effect of soil types on the yield increase of applying CK was very great. The difference of fertilization and management conditions, especially water and fertilizer management, on the same soil had a significant impact on the fertilizer efficiency. First, the soil types and fertilizer efficiency of soil types of fertilizer on the effect of potassium, the first is the soil potassium content and supply status of the effectiveness of potash fertilizer