为了使春天能及早品尝到精菜，我们对庭院小香椿树搞了促早发的一些研究，取得了使香椿提早发芽１５天以上的良好效果。我们把这项技术方法叫做“软包套袋法”。其技术要点如下： １、晚秋（霜降前后）时节，将香椿树头的残枝枯叶整理干净，每个枝头套上一个小塑料袋，将一角系 In order to make the best of the spring season, we conducted a series of early-morning studies on the garden small toon tree and achieved good results by allowing the early germination of Toona sinensis for more than 15 days. We call this technical method “soft bagging method.” The technical points are as follows: 1, the late autumn (before and after the frost) season, toothache tree branches dead leaves finishing clean, each branch covered with a small plastic bag, the corner system