论文部分内容阅读
香椿Toona sinensis(A.Juss.)Roem.楝科,落叶乔木,因芽、嫩叶、木材有特殊香气而得名。有悠久地栽培历史,为我国珍贵、速生、优良的菜、药、材兼用树种。 1 香椿的林学、生物学特性 香椿在我国华北、东南和西南广有分布;内蒙古、辽宁南部及甘肃也有栽培,尤以山东、河南、河北栽植最多。 香椿的垂直分布,在中心乡土区域的黄河流域和长江流域之间的海拔2000米以下的酸性土、中性土和钙质土壤上生长良好,一般在肥沃、深厚、湿润的平坦冲积地生长最好。
Toona sinensis (A.Juss.) Roem. Meliaceae, deciduous tree, because of buds, young leaves, wood has a special name. Have a long history of cultivation, for our precious, fast-growing, excellent vegetables, medicine, timber and tree species. 1 Toon of the forest science, biological characteristics Toon in China in North China, Southeast and Southwest widely distributed; Inner Mongolia, southern Liaoning and Gansu also have cultivated, especially in Shandong, Henan, Hebei most planted. The vertical distribution of Toona sinensis grows well on acidic, neutral and calcareous soils below 2000 meters above sea level between the Yellow River basin and the Yangtze River valley in the central region of the country, and generally grows in fertile, deep and moist alluvial alluvial areas it is good.