香椿嫩芽作为一种特菜 ,受到人们的普遍喜爱。温室种植得椿供应春节市场 ,是农民致富的一条好门路。但传统的播种育苗方式存在着许多问题 :(1)种子用量大 ;(2 )土地利用率低育一茬苗要用二茬甚至三茬地 ) ;(3)幼苗不易管理(苗不集中 ,病虫草害不易防治 ) ;(4 )苗木质量较差、好 Toon tender as a special dish, by people’s universal love. Greenhouse cultivation Chun supply Spring market, is a good way for farmers to get rich. However, there are many problems with the traditional sowing and nursery methods: (1) large amount of seeds; (2) low land use and breeding of a crop of seedlings to use two or even three cropping); (3) seedling is not easy to manage Insect pests and diseases are not easy to prevent); (4) poor quality seedlings, good