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为鉴定立地质量,不同国家分别采用地位级表或立地指数表。这两种表各有一定优缺点。本研究试验把这两种表结合起来,各取其所长,补其所短,根据不同情况,灵活运用。研究对象是杉木同龄人工林,取材是利用原综合队、林科所和有关省森调队已有的皆伐或伐倒20%以上计算木的标准地共389块,大部是插条造林,少量实生。
In order to identify the site quality, different countries respectively use the status level or site index table. The two tables have certain advantages and disadvantages. This study combines the two tables, each taking its director, make up the short, according to different situations, flexible use. The object of study is Chinese fir plantation, which is made up of 389 standard blocks of trees that have been cleared or cut down by more than 20% by the former comprehensive team, forestry institute and the relevant provincial Senghuan team, most of which are cuttings afforestation , A small amount of real.