广西凭祥市立地类型的评价

Evaluation on Site Types of Pingxiang City in Guangxi

用各立地类型中杉木和马尾松的地位指数,把凭祥市的立地类型分成3个等级,地位指数≥18的为好,14～16的为中,≤12的为差,结合土壤特点、林木生长量和地位指数,提出各立地类型的适宜造林树种和相应的营林管理措施。

Based on the site indexes of Cunninghamia lanceolata and Pinus massoniana in each site type,the site types of Pingxiang city in Guangxi are classed into three classes.That is≥18 for good,14～16 for middle and≤12 for poor.The suitable afforestation species and relevent management mea- sures are suggested in the soil characteristics,forest growth increment and site index.