2007～2009年青岛市农技人员在平度市北张家丘村和胶州市大半窑村连续2年组织进行了冬小麦“四高一改”超高产栽培技术与传统高产栽培技术的对比试验,探索出以“培育高肥力土壤、筛选推广高产广适品种、提高播种质量、创建高效群体以及改革种植方式”为核心的冬小麦“四高一改”超高产栽培技术,使小麦连续多年多点实现亩产700 From 2007 to 2009, the agricultural technicians in Qingdao conducted a comparison of the super high-yielding cultivation techniques of winter wheat “Sijoganyizhuan” with traditional high-yielding cultivation techniques in Zhangjiaqiu Village, Pingdu City and Dabaoyao Village, Jiaozhou City for two consecutive years Test, to explore to “cultivate high-fertility soil, screening and promotion of high-yield wide varieties, improve planting quality, create efficient groups and the reform of planting methods” as the core of winter wheat “four high and one change ” ultra-high yield cultivation techniques, so that Wheat for many years to achieve more than 700 acres per mu