目前果树营养诊断中常用的方法有: 目视诊断法、土壤化学分析和植物组织分析诊断法。 早在1926年,Lagtu和Maume就首先提出了葡萄“叶诊断”技术。目前人们认为在果树营养诊断中“叶分析”是一种较理想的方法。但作为葡萄来说,其生长结果特性使取样相对比较复杂,做法也还有些不? At present the methods commonly used in fruit tree nutrition diagnosis are: visual diagnosis, soil chemical analysis and plant tissue analysis and diagnosis. As early as 1926, Lagtu and Maume first proposed the grape “leaf diagnosis” technology. At present, people think that in the diagnosis of fruit tree nutrition “leaf analysis” is a more ideal method. However, as a grape, its characteristics of the growth of the results of the sampling is relatively complicated, the practice is not some?