香椿是重要的叶用经济树种，其叶味道鲜美，营养丰富，既可腌食，也可炒食，是人们非常喜爱的菜肴。近年来，香椿的栽培面积不断增加，栽培方式也在不断发展，从露地栽培、拱棚栽培，发展到加温温室栽培，其经济效益也越来越显著。但是，产叶量不高，是目前限制香椿效益的... Toon is an important economic tree leaves, the leaves taste delicious, nutritious, both pickled, but also fried, people are very favorite dishes. In recent years, Toona sinensis cultivation area continues to increase, cultivation methods are also growing, from the open cultivation, shed cultivation, development to greenhouse cultivation, its economic benefits are more and more significant. However, leaf yield is not high, is the current limit the effectiveness of toon ...