人工落叶松采伐迹地更新针叶树种试验

Regeneration trials by coniferous species in cut - over areaof larch plantation

在人工落叶松采伐迹地上更新长白落叶松、樟子松、红松、云杉,与荒山荒地造林相比,长白落叶松增产4．2%,樟子松、红松、云杉增产幅度在35．3%至38．5%之问。

Compared the left-over area with the cut - over erea of larch plantation, the latter has achievedgood results on amount of increase in production during the regeneration trials by conifrous species, which are4. 2% of Larix olgensis, and 35.3 - 38.5% of Pinus sylvestris var. mongolica, P. koraiensis and Piceakoraiensis.