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建国以来用直播及小苗丛植方法营造的大面积丛生油松林有许多已经成长起来,生产上迫切要求解决油松穴内要不要间伐、什么时候间伐和怎样间伐等一系列技术问题,针对这些问题,我们于1961—1964年间进行了调查和试验工作。在工作过程中我们深深体会到,从生产的实际需要出发,与生产密切相结合地进行科学研究是一种多快好省的方法,而在科学研究工作中又必须时刻用主席思想来指导,才能冲破教条主义的束缚,找到正确的方向。我们这项研究工作在一定程度上是主席的“实践论”和“矛盾论”启发引导下
Since the founding of the PRC, a large area of Pinus tabulaeformis forest, which has been planted by live broadcast and seedling cotyledons, has been developed. A series of technical problems are urgently required to be solved in the production, for example, We conducted surveys and experiments in 1961-1964. In the course of our work, we have come to realize that starting from the actual needs of production and carrying out scientific research in close connection with production is a more efficient and economical method. In the course of scientific research, we must at all times use the chairman’s thought to guide Can we break through the dogmas of dogmatism and find the right direction. To a certain extent, our research work is inspired by the chairman’s “theory of practice” and “contradiction theory”