关键词: 水仙, 水仙, RAPD, 亲缘关系

Abstract: The applied effect on land corps shows that Effectively Recycling Cultivation Model (bean cultures-rice-vegetables) can improve the contain of organic matter of soil for 0.26% than Normal way (rice-rice-vegetables), the increase of production of rice is 504.0kg per hectare, thus the income of three harvest is 4298.0 RMB annually . The improvement of ratio of investment and output is 0.31. The Cultivation Structure of bean cultures-rice –vegetables applied can make the resources used recycling and regenerated, the investment saved and the effect improved, the ecological circumstance would be improved too. It is a newly effective way to realize agricultural sustainable development.