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Experimental Study on Artificial Cultivation of Rabdosia Rubescens and Its Benefits for Soil and Water Conservation

Kong Sixin et al. (Jiyuan Research Institute for Soil and Water Conservation, Henan Province)  
Rabdosia rubescens is a good wild herb with high economic value for medical use and soil and water conser-vation. Along with exploitation and utilization of rabdosia rubescens, its wild resource was increasingly in-sufficient. Experiment and analysis showed the feasibility of enlargement of artificial cultivation. The artifi-cial cultivated rabdosia rubescens was stable in hereditary character, and its biologic and ecologic character-istics and medical value were without obvious difference as compared with wild rabdosia rubescens. The arti-ficial cultivated technique used in the experiment can increase the rate of emergence of rabdosia rubescens seed from less than 1% by wild spreading to 87. 2% and increase the rooting rate of cutting by 90. 5%. Rabdosia rubescens has good effects in retaining water and preserving soil. The area growing annual rabdosia rubescens can reduce runoff and soil loss by 36.1% and 48. 5% respectively than contrast area, and by 18. 3% and 26. 8% respectively than the area growing annual honeysuckle.
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