战后以来,关于提高森林生产量的实际途径问题,得到了越来越多的注意,这种情况要求我们加强研究有关提高经营强度和提高林地利用率的一系列林学-生物学的以及经济学的问题。本文的目的是企图找出分析森林生产量的一些新的原理和方法。在农业和林业上,生产效果反映着两类因素即社会生产力和自然肥力的影响。与自然界的肥力(或广 More and more attention has been paid to the practical ways of increasing forest production since the war, and this situation requires us to intensify the study of a series of forest-biology and economics studies on improving the intensity of operations and increasing the utilization of woodlands The problem. The purpose of this paper is to try to find some new principles and methods for analyzing forest production. In agriculture and forestry, the effects of production reflect two categories of factors, social productivity and natural fertility. Fertility with nature (or wide