The water consumption coefficient(WCC) and water use efficiency(WUE) of Zhongmu No. 1 and WL323 Medicago sativain the establishment year in the Beijing plain were studied with a micro-lysimeter.

• 采用小型蒸渗仪法研究了北京地区中苜1号和WL323紫花苜蓿建植当年的耗水系数和水分利用效率。