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为了提高采脂劳动生产率,增加松脂产量,我们于1977年在罗浮山林场立新工区进行了几种刺激剂采脂的对比试验,其中以尿素松针液作刺激剂的增产效果较为显著,现将试验结果简述如下。
In order to improve the labor productivity and increase the production of rosin, we conducted a comparative study of several stimulants and lipids in a new construction area in Luofu Mountain Farm in 1977. Among them, the stimulation effect of urea pine needles was more significant. The result is summarized as follows.