一、问题的提出叶片分析是测定植物养分吸收状况行之有效方法。目前,在世界上已广泛地应用于各种果树体营养的研究,并且根据叶片分析的结果去指导果树施肥;叶片分析将成为现代果树栽培的一种十分有用的方法。但是,在分析叶片营养诊断各元素含量的资料中,只分析各营养元素在不同产量级含量范围,而对各种营养元素的关系尚未建 First, the issue of leaf analysis is to determine the status of plant nutrient absorption is an effective method. At present, the world has been widely used in a variety of fruit tree body nutrition studies, and according to the results of leaf analysis to guide fruit tree fertilization; leaf analysis will become a very useful method of modern fruit cultivation. However, in the analysis of leaf nutrient diagnosis of the content of each element of the information, only the analysis of nutrient content in different yield levels range, and the relationship between various nutrients have not yet been built