人工林杉木材性变异规律

通过对人工林杉木的管胞长,微纤丝角,密度,生长轮宽和晚材率的测定并根据各项指标的径向和纵向的变异情况,系统综合地分析和研究了人工林杉木材质的变异规律以及主要特征参数之间的关系,同时建立了与各项指标的径向变异具有主好相关关系的回归方程,为人工林杉木的定向培育和材质改良提供了重要的科学依据。

Variation Pattern of Wood Nature of Planted Cunninghamia lanceolata

By measuring tracheid length. microfibril angle, air density. ring width and late wood percentage,understanding how they vary along radial direction and longitudinal direction. the quality and therelationships among the major characteristic parameters of planted Chinese fir were analyzed systematicallyand comprehensively. Meanwhile, the equations which conformed to the variation patterns of plantedChinese fir in radial direction were established. The conclusion of this paper has provided a scientificbasis-for its oriented culture and wood quality ameliorate.