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连粳11号机插丰产高效栽培技术探讨

Agricultural Development and Equipments(2013)

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Abstract
连粳11号由连云港市黄淮农作物育种研究所育成。研究结果表明:本地区机插栽培650~750kg/667m2的穗粒结构为亩穗数20~25万,每穗总粒135~140粒,结实率90%以上,千粒重27g左右。栽培对策根据其分蘖能力较强、对肥水反应敏感的特性,在培育壮秧的基础上,建立适宜的群体起点,基本苗6万左右,高峰苗28~30万,667m2总施氮量22kg左右,前、后期比例为5:5,氮、磷、钾之比为1:0.6:0.8。搁田始期不宜过早,掌握达等穗苗80%左右时进行。
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