【摘要】 分析了四川亚热带湿润区的气候,土壤和地形特征,指出了紫花苜蓿在这一地区的主要受限因素,并提出在四川湿润地区推广种植紫花苜蓿要注重抗湿、抗热、耐酸品种的选育,同时要提高田间管理水平。在紫花苜蓿的利用上,要以饲草利用为基础,采用菜用、蜜用相结合的方式,提高经济收益,以解决紫花苜蓿在南方地区生产,管理和运输成本高的问题,扩大紫花苜蓿在四川的种植规模。更多还原

【Abstract】 Based on the analysis of the characteristics of climate,soil and topography in the humid area of subtropical zone of Sichuan Province,the main constraints for alfalfa production were pointed out.The suggestions for improving alfalfa production were provided.These suggestions were to breed new cultivars which could tolerance humid,heat and acid environments.Meanwhile,the field management should be improved in order to increase the yield per unit area.As to the utilization of alfalfa,it should be utilized as forage crop,combined with vegetable crop and honey-source crop so that the greater economic profit could be achieved and the constraints could be resolved.更多还原