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甘南高寒区白菜型冬油菜适宜密度研究

ZHU Jun,YAN Chunmei,WANG Guoping,XU Dongli,HU Zaiqing,QIU Wenting,LI Fengqing,DAI Caihong

Journal of Cold-Arid Agricultural Sciences（2023）

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Abstract
在甘南开展白菜型冬油菜适宜种植密度试验,为高寒区示范推广冬油菜提供技术支持.设45万、60万、75万、90万、105万株/hm2共5个种植密度,研究种植密度对高寒区冬油菜越冬率、生育期、产量及经济性状的影响.结果表明,5个密度处理的冬油菜均能正常越冬,越冬率随种植密度的增加而降低.密度60万株/hm2的处理表现出良好的群体效应,越冬率为89.7％,性状优良,折合产量最高,为1971 kg/hm2.
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