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油茶采伐迹地连栽对幼树生长的影响

Nanfang Forestry Science(2020)

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Abstract
为探究油茶采伐迹地连栽对幼树生长的影响,本研究以长林系列油茶新品种为试验材料,对比分析在油茶采伐迹地、杉木采伐迹地和茶叶采伐迹地3种地类上种植油茶幼树的造林成活率和种植后1a、2a的幼树新梢指标,开展不同地类的对比试验.结果 表明:油茶采伐迹地连栽的造林成活率达89.22%,比最差的茶叶采伐迹地87.78%多了1.44%,但3种地类间的造林成活率均未达到显著差异.油茶采伐迹地连栽的幼树新梢生长量最低为18.10cm,比其他2种地类中的平均新梢生长量少30.26%.由此可见,油茶采伐迹地连栽对造林成活率没有直接影响,但对幼树的新梢生长有一定的抑制作用.
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