摘要
枫杨为河南省优良速生树种之一,为摸清河南省枫杨分布面积及不同立地条件下的生长规律,进行了枫杨资源的调查及数据分析,结果表明,全省现有枫杨面积12860hm^2,树高第三年进入速生期,速生期为15~20年;胸径第9年进入速生期;材积第12年进入速生期。
Pterocarya Stenoptera DC., is one of the fast living trees in Henan province, through analysis of the inquisition and data of Pterocarya Stenoptera DC resources, felt out it distribution area and growth regulation in different ground conditions. It shows that has an area of 12860 hm^2 in the whole province. The tree grows rapidly in the third year,the rapid living period is 15-20 years ;the chest diameter get into rapid living period in the 9th year ;the volume measure get into rapid living period in the 12th year.
出处
《信阳农业高等专科学校学报》
2008年第1期118-120,共3页
Journal of Xinyang Agricultural College
关键词
枫杨
分布
生长规律
Pterocarya Stenoptera DC
distributing
growth regulation