阳煤集团油松人工林抚育间伐研究

以阳煤集团油松人工林为研究对象，调查了油松人工林抚育间伐的现状，采用标准地调查法，通过制作解析木、数理统计综合分析，对阳煤集团油松人工林抚育间伐进行了研究。结果表明：油松人工林在10a以后就应该开始抚育间伐；抚育间伐对油松胸径生长有显著影响；对树高生长影响不显著；间伐的起始年限从13～15a后开始；并对林分间伐的保留密度和间伐经济效益进行了研究。

Yangquan Coal Industry Group Study Tabulaeformis Plantation Thinning

Chinese pine plantation in Yangquan Coal Industry Group for the study to investigate the tabulaeformis Plantation Thinning of the status quo, to investigate the use of standard law, through the production of analytical wood, a comprehensive analysis of mathematical statistics, the Chinese pine plantation upbringing Yangquan Coal Industry Group thinning were studied. The results showed that： Chinese pine plantation after 10 years should begin Thinning; tabulaeformis Thinning of DBH growth has a significant influence; on the impact of tree height growth was not significant; thinning from the initial length of 13 - 15a start; and thinning of stand density and thinning of the retained economic benefits of the study.