一、前言 近年来,我国工厂化育苗研究中所广泛采用的无土育苗法,是以通气良好的固体材料为基质代替土壤,其后采用肥沃的培养土配合使用苗钵、纸筒或制做营养方块等进行分苗,以保持幼苗根系的完整。但是这种有土分苗法仍然存在着用工量较多的缺点,同时分苗后也需大缓苗。 从1979 I. Foreword In recent years, the method of soilless nursery stock widely used in industrialized nursery research in our country is based on the well-aerated solid material instead of soil. Afterwards, the fertile soil is used in combination with the seedling bowl, paper tube or made of Nutrition boxes and other sub-Miao, in order to maintain the integrity of seedling roots. However, there is still such a soil with the shortcomings of labor more, but also after the sub-seedling Huanmiao. From 1979