1980～1981年,我所承担了植物生长刺激素α-萘乙酸采脂工艺研究课题,在黔中地区的省扎佐林场六屯林区和贵阳市郊的省林科所范围内进行了生产试验。获得如下试验结果:[1]利用萘乙酸进行马尾松采脂,侧沟平均增产40～70％左右;[2]利用萘乙酸进行华山松采脂,侧沟平均增产48％以上。1981年底,贵州省林业厅组织现场鉴定。1982年在剑河县 From 1980 to 1981, I undertook the research project of the plant growth stimulating hormone α-naphthaleneacetic acid fatliquoring process, conducted the production test in the area of ​​Liutulin Forest in the province of Za Zuolin in the middle of Guizhou Province and the provincial forestry institute in the outskirts of Guiyang . Obtained the following test results: [1] naphthalene acetic acid for Pinus massoniana, lateral ditch an average increase of about 40 to 70%; [2] naphthalene acetic acid for Pinus armandia lipase, lateral ditch an average yield of 48% or more. By the end of 1981, Guizhou Provincial Forestry Department organized field appraisals. 1982 in Jianhe County