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作者采用新的研究方法,研究了不同配比的洋槐(Robinia pseudoacacia L.)/银白杨(Populus alba L)混交林林分结构和产量。通过逐株测量并采用材积表确定了各树种的主林分结构和产量因子。测定了混交林树种以及纯林不同树种的蓄积量。发现林分总蓄积量和和树种混交比例密切相关。与纯林对照组相比,混交林蓄积在16年龄时的相对剩余为1.24-1.55。研究证明,如果2树种都具有初期快速生长率的特点和相同的轮伐年龄,可以进行混交造林,并相互有利。图4表2参15。
The authors used new research methods to study the stand structure and yield of Robinia pseudoacacia L. and Populus alba L. mixed forest. The main stand structure and yield factors of each tree species were determined by measuring individual strains and using volume chart. The stock volume of mixed tree species and pure tree species was determined. Found that the total volume of forest stands is closely related to the proportion of mixed tree species. Compared with the pure forest control group, the relative surplus of mixed plantation at 16 years old is 1.24-1.55. Studies have shown that if the two species have the characteristics of the initial rapid growth rate and the same rotation age, can be mixed afforestation, and mutual benefit. Figure 4 Table 2 参 15.