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扁豆,学名小扁豆(Lens culinaris Medik),是甘肃中部干旱地区栽培历史悠久的主要豆类作物之一。定西地区常年种植面积30～35万亩,约占全省播种面积的一半。在旱作农业中占有重要地位,一是轮作倒茬、用地养地的重要作物,是小麦的优良前茬;二是含丰富的营养物质,不仅是人们喜食的粮食作物,也是家畜的饲料来源;三是重要的出口物资。从1980年开始,经过5年的引种试验、示范,已成功地筛选出英国扁豆和中绿扁豆新品种,并于1990年6月通过验收鉴定。
Lentils, the scientific name Lens culinaris Medik, is one of the major legumes cultivated in arid regions of central Gansu. Dingxi area perennial planting area of 30 to 350,000 mu, accounting for about half of the province sown area. In dry farming agriculture occupies an important position, one is crop rotation, cropland is an important crop, wheat is the finest crop; Second, rich in nutrients, not only people eat food crops, but also livestock feed sources ; Third is an important export materials. Since 1980, after five years of introduction test and demonstration, new varieties of lentils and mid-lentils have been successfully screened and passed the acceptance test in June 1990.