绥中县海防林管理所于1976年春,在王宝乡的沿海沙滩上,营造油松海防林2140亩,保存率达93％,生长较好。我们海防林研究组,在这片油松林地的不同位置上,发现有200多株形态完全一致的速生油松新类型(以下简称新类型)。其主要特征是:叶色浓绿,轮枝整齐,主干和干梢通直强壮,生长旺盛(见表1)。8年生平均高2.3m,最高 Haizhong Forest Management Suizhong County in the spring of 1976, Wang Baoxiang coastal beach to create 2140 acres of Pinus tabulaeformis forest preservation rate of 93%, better growth. Our Haiphong forest research group, in this piece of pine woodland in different locations, found that there are more than 200 strains of the same type of fast-growing new types of Pinus tabulaeformis (hereinafter referred to as the new type). Its main features are: dark green leaves, branches and tidy, stems and stems straight and strong, vigorous growth (see Table 1). 8-year-old average high 2.3m, the highest