青县自1992年引进营养钵进行示范到现在已推了3000多亩保护地采用营养钵育苗。在生产中我们发现营养钵育苗有三大优点:一是可适当培育大令壮苗,利于早熟。用土方育苗达到一定生理苗龄后,定植时间愈向后推迟,操作时伤根愈多,缓苗时间相对拉长,而用营养钵育苗的晚栽几天对缓苗时间和成活率影响不 Qingxian introduced nutrition bowl since 1992 to demonstrate that it has now pushed 3,000 acres of protected areas using nutrient bowl nursery. We found in the production of nutrition Bowl nursery has three major advantages: First, we can properly cultivate strong seedlings, which will help premature. With the use of earth-nursery seedlings to reach a certain physiological seedling age, the colonization time postponed, the more wounds when the operation, Huanmiao time relative elongation, and nutrition Bowl nursery late planting a few days on hiv seedling time and survival rate not