Molecular marker-based identification of Chinese orchids among species, genera, and hybrids before flowering has important breeding and genetic research value. In this study, the Cymbidium tortisep
总碳、总氮采用元素分析仪(Vario EL Ⅲ,德国)进行测定;有机碳用重铬酸钾氧化-分光光度法(普析T6型紫外可见光分光光度计,中国)测定;总磷采用碱熔-钼锑抗分光光度法(普析T6型紫外可见光分光光度计,中国);pH值和电导率采用雷磁PHS-3C pH计进行测定;其它指标来自国际土壤数据库(http://webarchive.iiasa.ac.at/Research/LUC/External-W