关键词: 转移因子, 转移因子, 淋巴细胞, 淋转试验, 猪

Abstract: Summary The G304 road located the hinter land of Kerqin sandlot where should built vegetable system against sand. The community of Caragana micophylla and A.holodenborn is the super vegetation，which is the character of soil succession of soil-climate,also it displays special ecology and biology character against sand and drought.They are the chief choice in bush and half-bush and Populs simouii、Salix magudana are the chief breed in this system. Arbors/bushes/grasses arranging alternately in 2~3 lines is the best arrangement in function and structure against sand.Invertigation shows that Caragana microphylla Artemisia olodenbron are the dominant species and constructive species.Trans-planting arbors and bushes in summer or fall and planting bush/half-bush/sand-plant in rainy season are the main technical measure in the sandproof system of G304 road.