直播密度对杂交粳稻信旱优26产量及其构成因子的影响
Hybrid Rice(2017)
Abstract
通过不同直播密度处理试验,研究了信旱优26在河南信阳当地习惯施肥水平下,密度对其产量及其构成因子的影响.结果表明,在本试验条件下,实现信旱优26直播最高产量的密度为播种量46.2 kg/hm2(165万基本苗/hm2),最佳密度区间为播种量37.8~46.2 kg/hm2(135万~ 165万基本苗/hm2).
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