人口众多，耕地紧缺是成都市农业生产面临的严峻现实；亚热带湿润气候的特点和以稻麦（油）两熟为主的耕作制度，客观上要求在当地种植中稻必须考虑前后作物荐口衔接及水稻高产安全抽穗扬花期的安排；从传统“弯腰弓背”手工栽种水稻的繁重体力劳动中解脱出来，已成为广大... Large population and shortage of arable land are the grim realities facing agricultural production in Chengdu. The characteristics of subtropical humid climate and farming system dominated by rice and wheat (oil) two crops require the local planting of rice to be considered locally. High yield and safety of rice heading and flowering arrangements; from the traditional “stoop bow” hand-planted rice heavy manual labor freed, has become the vast ...