黄淮海夏玉米籽粒脱水特征研究

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机械粒收技术是玉米生产的发展方向,收获期籽粒含水率是影响收获质量的主要因素。我国玉米机械粒收还处于起步阶段,目前在西北和东北等春播玉米区推广应用面积较大,黄淮海夏播玉米区仅限于试验示范,降低收获期籽粒含水率是推动机械粒收技术发展的关键。本研究于2014-2016年在黄淮海不同区域进行累计34场机械粒收试验,主要调查收获期籽粒含水率以及机械收获的破碎率、杂质率、落粒率和落穗率;于2014、2015和2016年分别在中国农业科学院作物科学研究所中圃场试验田、新乡综合试验站,设置品种试验(3年)和播期试验
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