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美国洋葱yesgrow光温效应及主要栽培因素试验

陈山虎,何玉仙,陈庆河,陈君琛,纪荣昌

FUJIAN JOURNAL OF AGRICULTURAL SCIENCES（2001）

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Abstract
对美国引进洋葱新品种yesgrow进行光温效应、施肥水平及种植密度等特性研究.结果表明,该品种属"短日不耐低温类型”,适宜在闽东南沿海一带种植,适宜播种期为夏至至大暑;适宜肥料施用比例为N∶P2O5∶K2O=1∶0.65∶1.95,每公顷适宜施肥量为纯N 375 kg、P2O5 243 kg、K2O 731 kg;最佳种植密度为每公顷27～30万株.
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