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应用闽东地区柳杉人工林样地材料,探讨了密度效应二次模型,并对其进行生产弹性分析和边际产量分析,测定了柳杉人工林林分密度的生产弹性值和边际产量.参17.
The quadratic model of density effect was discussed by applying the material of Cryptomeria fortunei plantation in the east Fujian Province. The production elasticity and marginal yield of the Cryptomeria fortunei plantation were analyzed, and the production elasticity and marginal yield of the Cryptomeria fortunei plantation were measured. 17.