The results showed that there were distinct differences in micro-fibril Angle, width of growth-ring and tracheid diameter.
结果表明，管胞直径和微纤丝角及生长轮宽度等指标表现为差异显著。
As planting density increased, the growth ring width and tracheid row decreased but proportion of late wood increased.
造林密度大，则生长轮变窄，管胞列数减少，晚材率增加。
As planting density increased, the growth ring width and tracheid row decreased but proportion of late wood increased.
造林密度大，则生长轮变窄，管胞列数减少，晚材率增加。
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