为了探讨农田防护林理想的更新方式和技术上先进、经济上合理、生产中可行的更新方法,赤峰市林研所与郊区太平地乡协作,选择太平地农田防护林中有代表性的地段,从1982年起结合林业生产,开始了研究工作。 1977年进行了伐前带外更新。即在老林带的南侧和西侧,距老林带8—10米处营造了 In order to explore the ideal way of renewal of farmland shelterbelts and the technologically advanced, economically reasonable and feasible updating method in production, Chifeng Forestry Research Institute and Taiping Township in the suburbs collaborated with each other to select the typical plots of farmland shelterbelts in the Taiping from 1982 From the year combined with forestry production, began the research work. In 1977 carried out pre-incision out-of-band updates. That is, on the south side and west side of the old forest belt, 8-10 meters away from the old forest belt