杉木萌芽更新具有成本低,成材早,收益快的特点,是群众经营杉木的一种常见方式。为了摸清杉木萌芽林的生长规律及其经济效益;特做如下调查。我们在会同炮团,洒溪公社等地,选择立地条件基本一致、年龄相同的杉木萌芽与实生混生的林分,砍伐了三组平均木,经树干解析计算其生长过程的平均值。 Fir sprout renewal has the characteristics of low cost, early harvest, fast returns, is a common way for the masses to operate fir. In order to find out the growth of Chinese fir sprout forest and its economic benefits; special investigation as follows. In the meeting with the Gunu and Xuanxi Commune, we selected the three groups of average woods from the budding and mixed stand of the same age with the same site conditions and the same age, and calculated the average value of the growth process through tree trunk analysis.