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大家知道,秦岭、巴山林区是我省森林资源比较集中的地方,是林业生产的主战场。采伐和更新是森林经营中两个重要问题,是前后衔接的两个生产阶段,是紧密联系的统一体。没有采伐就没有更新,采伐是对森林的开发利用,更新是对森林的恢复或重建。所以,采伐时就要为更新创造条件,更新必须跟上采伐。采伐方式和更新方式是一个科学性、技术性很强的生产问题。各种采伐更新方式都有其适用性。多年来,由于各种复杂的原
We all know that the Qinling and Bashan forest areas are the concentrated forest resources in our province and the main battlefield for forestry production. Harvesting and updating are two important issues in forest management. They are the two stages of production linked up front and back and are the closely integrated bodies. There is no update without logging. Logging is the development and utilization of forests. Renewal is the restoration or reconstruction of forests. Therefore, it is necessary to create the conditions for the renewal of logging, and the renewal must keep up with logging. Harvesting methods and updates is a scientific, highly technical production issues. A variety of logging updates have their applicability. Over the years, due to various complicated origins