论文部分内容阅读
油松是辽西地区一个耐干旱、瘠薄,根系发达,适应能力很强的主要造林先锋树种和优良的用材树种。建国以来营造了大面积油松人工林,对改变气候,保持水土等都起着很大的作用。但由于自然整枝差,人工修枝技术掌握的不好,不仅影响林木的高生长,也影响着木材质量。现就我们几年来对油松修枝技术,调查总结如下。
Pinus tabulaeformis is one of the main afforestation species and excellent timber species in western Liaoning Province that are drought tolerant, barren, well-developed rootstocks and highly adaptable. Since the founding of the PRC, a large area of Pinus tabulaeformis plantation has been established, playing a significant role in climate change and water and soil conservation. However, due to poor natural pruning, artificial pruning technology to master the bad, not only affect the high growth of trees, but also affect the quality of wood. Now on the past few years we pine pruning technology, the survey concluded as follows.