摘要
【目的】为解决杉木长期连栽产量递减的问题，总结杉木轮换树种秃杉（Taiwania flousiana）的引种栽培技术。【方法】从秃杉种源选择、种子采集、壮苗培育技术、造林技术设计与实施等方面对南丹山口林场引种秃杉栽培资料进行分析。【结果】样地测定显示，8年生、11年生、14年生、17年生的秃杉林分平均胸径依次为1O．7cm，12．7cm，14．1cm，20．8cm；平均树高分别为8．6m，11．9m，13．3m，17．3m；林分平均蓄积量依次为93．428m^3／hm^2，153．418m^3／hm^2，203．824m^3／hm^2，223．400m^3／hm^2秃杉林分各项生长量指标分别超过同等立地条件的杉木二代林的8．8％～112．0％。【结论】山口林场秃杉的引种栽培技术有一定的推广价值。
【Objective】The cultivation technique of rotate species(Taiwania flousiana)were summarized in order to solve the declining productivity in continuously planted Chinese fir plantation.【Methods】Based on provenance selection,seed collection,vigorous seedling cultivation,afforestation and forest tending methods,etc,the introduction and cultivation data of Taiwania flousiana were investigated in Shankou Forest Farm of Nandan County.【Results】Plots determination showed that the average DBH of 8years old,11 years old,14 years old,17 years old Taiwania flousiana were 10.7cm,12.7cm,14.1cm and 20.8cm,respectively;the average height were 8.6m,11.9m,13.3m,17.3m,respectively;the average stand volume were 93.428m3/hm2,153.418m3/hm2,203.824m3/hm2,223.400m3/hm2,respectively.The various growth index of Taiwania flousianaforest was higher 8.8%~112.0%than those of Chinese Fir second rotation growth in the similar site.【Conclusion】The introduction and cultivation technology for Taiwania flousianain Shankou Forest Farm was prospective.
出处
《广西科学院学报》
2015年第4期296-301,共6页
Journal of Guangxi Academy of Sciences
基金
广西科技成果转化与推广计划项目(桂科转1298009-23)资助
关键词
秃杉
人工林
连栽
轮换
栽培技术
Taiwania flousiana
plantation
continuous plantation
rotation
cultivation
