前言当评价土壤肥力时,土壤分析是一种重要工具。土壤化验的结果时常作为施肥指导的基础。已经证明在土壤化验结果与施肥效果之间存在着相关。作为一种规律,一种肥料的肥效总是根据这种肥料在土壤中的含量而上上下下。但是,钾肥则没有这种规律。在很多情况下,在土壤测定数据与施钾后在产量上的表现这两者之间看不出有什么相关。印度对水稻进 Introduction Soil analysis is an important tool when evaluating soil fertility. The results of soil tests often serve as a basis for fertilizing guidance. It has been shown that there is a correlation between soil test results and fertilization effectiveness. As a rule, the efficiency of a fertilizer always depends on the level of this fertilizer in the soil. However, potash does not have this pattern. In many cases, there is no correlation between soil determination data and yield performance after potassium application. India on the rice into