Planting Asparagus on steep slope land of more than 300 with deepening level ditches in loess hilly region，the quantity of soil erosion could be decreased by 93. 5%^} 96. 2 0

o than cori-trolling field (with no plants planted in it)，and by 91. 4%-93. 1%than millet field. The aver-age net income was 4055. 7 Yuan per hmy yearly，which was much higher than that of local traditional economical plants. The experiments indecate that Uc157 is the superior cultivar of Asparagus in the region in view of its well-developed roots and growing luxuriantly. Its yield reached 7731kg/hm= the fourth year after planting.which was 1. 6 times higher than control variety of Mary Washington. Besides，the cultivar of Uc157 performed dry resistant character. The ratio of withered leaves was 38%.lower than that of the control variety. The first and second grade of Asparugjus shoots was as high as 91. 3%.