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建国以来,我省营造了很多油松人工林,大多分布在辽西.加强对油松人工林的经营,进一步发挥其生态作用,提高经济效益,十分必要.1.合理修枝 当前油松人工林修枝作业存在四种偏向:修枝起始年限过早,修枝强度过大,修枝季节不当,修枝作业质量太差.因而破坏了资源,影响了林木生长.
Since the founding of the People’s Republic of China, a lot of Pinus tabulaeformis plantations have been established in our province, most of which are located in western Liaoning Province.It is necessary to strengthen the management of Pinus tabulaeformis plantation and further develop its ecological functions and enhance economic benefits.1.Practice of current Pinus tabulaeformis plantation There are four kinds of biased pruning operations: pruning start early age, pruning strength is too large, improper pruning season, pruning operation quality is too poor, thus undermining the resources and affecting the growth of trees.