摘要
本文对红皮云杉(Picea koraiensis Naksi)全光造林和冠下人工更新的生长状况进行了调查和统计分析,结果表明,在造林初期,全光造林红皮云杉的高生长和全株叶量高于冠下更新。单位叶量内营养元素(N、P、K)的含量冠下更新红皮云杉高于全光造林,但全析叶内营养元素的总含量则全光造林高于冠下更新红皮云杉。测定并分析春季林内与林外主要小气候因子对红皮云杉幼树生长的影响。
The artificial regeneration (both under canopy and over-all light) of korean spruce was survied, demographied and analysed in this paper. During young period of time, height growth and total leave weight for each tree of over-all light korean spruce are more than those of korean spruce under canopy, Nutrients (N P、K)contents in leave (mg/g) of korean spruce under canopy are more than those of over-all light korean spruce; Heywever, the total nutrient content of each tree under canopy is less than that of one over-all light tree. The effects of main micrcclimate factors (both inside and outside forest)on korean spruce young trees were measured and analysed.
