Position: Home > Articles > Analysis of development potential of alfalfa sown at terrace bank of loess plateau in Gansu ,China
Pratacultural Science
2005,22
(9)
32-34
甘肃黄土高原小流域埂坎苜蓿发展潜力分析
作 者：
孙浩峰;李丽萍
单 位：
甘肃省水土保持科学研究所
关键词：
青林沟;埂坎;苜蓿;发展潜力
摘 要：
以甘肃省华亭县青林沟小流域为研究对象,通过对该小流域自然条件和紫花苜蓿Medicagosativa生态习性的综合研究分析,确定了紫花苜蓿为当地发展埂坎牧草的首选草种,利用非生产用地的梯田埂坎种植紫花苜蓿72.8hm2,不仅使土地利用率提高5.5个百分点,且年增加草产量5154.24t,载畜量增加2824个羊单位,缓解了粮草争地矛盾,保护了地埂,减少了维修用工,也改善了生态环境,实现了流域生态和经济的可持续发展。
译 名：
Analysis of development potential of alfalfa sown at terrace bank of loess plateau in Gansu ,China
作 者：
SUN Hao-feng,LI Li-ping(Research Institute of Soil and Water Conservation of Gansu,Lanzhou 730021 ,China)
关键词：
Qinglingou;terrace bank;alfalfa ;development potential
摘 要：
The natural conditions of Qinglingou watershedinloess plateau of Gansu were analyzed andthe ecological properties of alfalfa were observed.Sowing 72.8 hectare alfalfa at non-production areaof terrace bank,the rate of soil utilization,forage yield and livestock capacity were increased by5.5 %,5 154.24 tons and 2 824 sheep unit ,respectively.The contrast of grain food and grasses waspostponed,terrace bank was protected, maintenance expenses was reduced,ecological environmentwas i mproved and suataninable development of the ecology and economy of the watershed was real-ized.Therefore ,alfalfa was selected as the best forage species sowing at terrace bank of Gansu loessplateau,China.
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