前言日本的啤酒大麦绝大部分用作啤酒原料,根据栽培者和社会需要的信赖关系,采用契约栽培形式(即签订合同一译注)进行生产。因此品种的产量和品质问题是供需双方关心的大事。目前政府部门和民间育种家已育成很多新品种。随着新品种的普及,出现了多而乱的问 Preface Most of beer barley in Japan is used as raw material for beer. According to the trust relationship between grower and society, it is produced in the form of contract cultivation. Therefore, the variety of yield and quality issues are the major concerns of both supply and demand. At present, government departments and non-governmental breeders have bred many new varieties. With the popularity of new varieties, there have been many and chaotic questions