实现玉米增产１６５亿公斤的建议中国农科院作物所研究员吴景锋确保到本世纪末增产１６５亿公斤玉米，关键在于必须加快玉米杂交种选育和相应的各项配套栽培技术的进步及物质的投入。我国和世界各国的玉米杂交种更新换代的实践证明，每更换一次新组合，种质遗传内在杂交优... The suggestion to increase corn output by 16.5 billion kilograms Wu Jingfeng, a researcher at the Chinese Academy of Agricultural Sciences, ensures that the output of 16.5 billion kilograms of corn will be increased by the end of this century. The key lies in the need to speed up the breeding of maize hybrids and corresponding improvements in the companion cultivation techniques and material inputs. The practice of the replacement of maize hybrids in China and other countries in the world proves that, for each new combination, the genetic hybridization of the germplasm is superior.