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不同造林密度和混交树种对光皮桦幼林生长的影响

Journal of Fujian Forestry Science and Technology(2008)

Cited 9|Views1
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Abstract
通过对光皮桦不同造林密度、不同混交树种的试验研究,结果表明:光皮桦不同造林密度林分的生长有较大差异,其胸径、冠幅由大到小依次为:1100株·hm-2、800株·hm-2、1600株·hm-2、2500株·hm-2,树高以1100株·hm-2的林分最大,其余比较相近.光皮桦与不同树种混交生长有较大差异,各生长指标以杉木×光皮桦混交林最好,其余依次为:福建柏×光皮桦、木荷×光皮桦、马尾松×光皮桦;光皮桦纯林生长指标与福建柏光皮桦混交林比较接近.杉木×光皮桦和福建柏×光皮桦是较好的混交组合.
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Key words
mixed tree species,Betula luminifera,growth effect,afforestation density
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