在森林培育中,人们常采用调节林分密度、施肥、灌水、修枝以及引进速生树种等各种经营措施以图提高林分生长率。实践证明,这些措施对提高林木生长量有明显效果。但是,林分最大生长量有多少,这是生产者和计划人员共同关心的问题。 近年来,林地生产力的分析工作有很大进展。国内冯宗炜、陈楚莹等(1982)对杉木 In forest cultivation, people often adopt various management measures such as adjusting stand density, fertilization, irrigation, pruning and introduction of quick-growing tree species in order to increase the stand growth rate. Practice has proved that these measures to improve the growth of trees have a significant effect. However, what is the maximum stand volume? This is a common concern for producers and planners. In recent years, great progress has been made in the analysis of forest productivity. Domestic Feng Zongwei, Chen Chuying, etc. (1982) on the fir