中国春玉米高产纪录(1663.25 kg/亩)的创造与思考
文献类型: 中文期刊
作者: 程雅婷;;李荣发;;王克如;;谢瑞芝;;侯鹏;;明博;;薛军;;张国强;;刘广周;;李少昆
作者机构:
关键词: 玉米;;高产纪录;;水肥一体化;;膜下滴灌
期刊名称:玉米科学
ISSN: 1005-0906
年卷期: 2021 年
页码:
收录情况: 北大核心(2020版) ; CSCD(2020-2021年度) ; 农林核心(2020版) ; 科技核心(2020版)
摘要: 玉米是高产C4作物,2020年中国农业科学院作物栽培与生理创新团队在新疆奇台创造了单产1663.25 kg的产量水平,再次刷新全国玉米高产纪录。研究团队采取玉米密植高产栽培技术,在膜下滴灌、水肥一体化生产条件下,4月14日播种,宽窄行70+40 cm配置,播种密度9000 株/亩,产量最高的品种是MC670,收获穗数8642穗/亩,穗粒数549.4,千粒重378.0 g,单穗粒重193 g。本文总结了高产纪录玉米田生产过程的主要管理环节和高产群体的主要指标,为玉米从业者提供借鉴。
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