亚热带北缘山区参园内 ,不同棚式中 ,以单透双畦高脊棚参棚的透射光中光合有效辐射含量最高 ,达49.0 8% ;不同遮荫材料中 ,以蓝色遮荫网加 PVC参用膜做遮荫材料的棚下光质环境对西洋参的生长发育最有利 ,参根鲜重为 1.381kg/ m2 ,总皂苷含量为 6 .2 5 31% ,氨基酸含量为 5 .35 13%。 In the northern subtropical mountainous area, the content of photosynthetically active radiation (PAR) in transmitted light was the highest in 49.0%, 8%, 8% and 8%, respectively. Among the different shelters, the blue shade net Adding PVC film to make shading material shed light quality environment is most beneficial to the growth and development of American ginseng, fresh root weight of 1.381kg / m2, total saponin content of 6.2531%, amino acid content of 5.335 %.