为促使林木种子迅速发芽,播种前必须要对种子进行催芽处理。这是育苗工作中一项重要的技术措施,现将常用的催芽方法简单介绍。一、浸种法有些树种的种子,提前用凉水、温水浸泡一下,使种子吸水膨胀,播后即可提早发芽。榆、杨、柳等 In order to promote rapid germination of tree seeds, the seeds must be germinated before sowing. This is an important technical measure in nursery work, and now the commonly used germination method is introduced briefly. First, seed soaking species Some seeds, with cold water, warm water soak, so that seed water swelling, sowing after germination. Elm, Yang, Liu and so on