论文部分内容阅读
在毛主席革命路线指引下,在批林批孔运动推动下,红山苗圃的职工为了绿化祖国引种优良树种,解决育苗种源缺乏,进行了火炬松的压条繁殖试验,取得了初步成效。具体做法是:一九七四年八月八日将四年生的火炬松苗下部一年生侧枝,环状剥皮,长约1厘米,每株压条3-4枝,入土中4-5厘米,没有进行浇水管理,压后第五天检查已发生愈合组
Under the guidance of Chairman Mao’s revolutionary line and thanks to the campaign to promote the pro-forest and bark holes, the staff of Hongshan Nursery made initial tests to introduce the excellent tree species for greening the motherland and to solve the lack of breeding sources. The specific approach is: August 8, 1974 will be the annual perennial four-year-old flamingo pine branches, ring peeled, about 1 cm, 3-4 per plant pressure, into the soil 4-5 cm, without pouring Water management, post-press examination on the fifth day has occurred in the healing group