为进一步落实毛主席“深挖洞、广积粮、不称霸”、“备战、备荒、为人民”的伟大战略方针,摸索春小麦高产稳产规律,自一九七○年开始搞小面积高产栽培试验。几年来,均获得亩产千斤以上。七三年种植的青春5号高产试验田3.38亩,亩成穗数60.87万,穗粒数34.46粒,千粒重43.17克,亩产量为1585.3斤。在栽培措施上狠抓“三攻三保”即:攻株数保穗数、攻大穗保粒数、攻灌浆保粒重 In order to further implement the great strategic principle of Chairman Mao’s “dig deep holes, extend grain ration, not seek hegemony” and “prepare for war, prepare for waste and serve the people”, we should find out the law of high and stable yield of spring wheat and start a small area and high yield cultivation experiment since 1970 . Over the past few years, have received more than kilograms per mu. In 1978, 3.38 mu of high yielding experimental field of youth No.5 was developed, with 608700 mu of spikelets per ear, 34.46 kernels per spike, 43.17g of grain weight and 1585.3 kg of mu per mu. Pay close attention to the cultivation measures, “three attack three guarantees” that is: the number of spike panicle attack, attack large grain spike, attack grouting weight