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对川滇桤木进行了切根和喷云大- 120 促进苗木生长的效果试验。结果表明: 经切根和喷洒云大-120 能够促进川滇桤木苗木的生长和根瘤的生成, 缩小苗木个体间生长的差异, 提高苗木的整齐度, 从而提高出苗率;切根和喷云大- 120 处理对川滇桤木苗期生长的效应, 更多地表现在交互作用上; 在参试的几种技术措施中, 以切根不喷云大-120 和不切根喷云大-120 效果较好, 切根喷云大- 120 次之, 经不同处理后各性状分别比对照提高6-58% ～366-67% 。
Alnus cremastogyne root cutting and spray cloud big - 120 to promote seedling growth effect test. The results showed that cutting and spraying YunDa -120 could promote seedling growth and nodule formation, reduce the difference of seedling growth, improve the uniformity of seedling and seedling emergence, Large-120 treatment of Alnus chinensis seedling growth effects, more performance in the interaction; in the test of several technical measures to cut root does not spray cloud big -120 and not cutting root spray big cloud - 120 has a better effect, and the root-cutting spray cloud is large-120 times. After being treated differently, the traits are increased by 6-58% -366-67% respectively compared with the control.