冬小麦与麦谷两熟栽培在山西省中部的平川地区,种植普遍,历史悠久,增产效果显著.是人多地少,水、肥、劳畜力俱足条件下的产物.解放后,随着水利及肥料事业的发展,麦谷两熟面积在作物整体布局上的比重愈来愈大.兹以晋中为例,麦谷两熟面积6年(1954—1960)平均为十四余万亩,占复播粮田面积17.9%. Winter wheat and wheat Valley two cultivation in the middle of Shanxi Province Hirakawa region, the cultivation of a wide range of long history, significant yield-increase effect. Is more than a few people, water, fertilizer, labor force under the conditions of products .After liberation, with the water conservancy and The development of fertilizer business, wheat and grain double crop area in the overall layout of the growing proportion of crops .To Jinzhong, for example, wheat and grain area of ​​two years (1954-1960) an average of more than 14 acres, Grain area of ​​17.9%.