1964年以来,我区广大贫下中农,在农业学大寨的群众运动中,认真执行毛主席的无产阶级革命路线,有计划有步骤地在丘陵区开展杉木林基地的营建工作。营造早的林分,经过培育,已经郁闭成林,大部林相整齐,生长良好。但由于造林初期多采用400株左右的密度,3-5年郁闭成林,个体之间竞争激烈,致使林木生长缓慢,影响成材。因而及时地进行成林抚育间伐工作,是丘陵区杉木林基地当前急待解决的问题之一。我们去年7- Since 1964, the vast majority of poor and middle peasants in our region have conscientiously implemented Chairman Mao’s proletarian revolutionary line in the mass movement of learning from Dazhai in agriculture and have planned and constructed the construction of the Cedary Forest Base in the hilly areas in a planned and systematic manner. To create an early stand, after cultivation, has been closed forest, most of the forest phase neatly and grow well. However, due to the initial afforestation more than 400 plants using density, 3-5 years canopy forests, intense competition among individuals, resulting in slow growth of trees, affecting the timber. Therefore, it is one of the most urgent problems to be solved in the fir forest base of hilly region in time to carry out forest tending and thinning. Last year we 7-