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Effects of seeding date and density and fertilizer rate on grain yield of new barley Variety ‘Haihua 1’
Author(s): DU Zhi-zhao, ZHANG Zhi-qi, LU Rui-ju, HE Wei-zhi, HUANG Jian-hua
Pages: 17-
19
Year: 2013
Issue:
2
Journal: Acta Agriculturae Shanghai
Keyword: 大麦; 产量; 播种期; 播种密度; 施肥量;
Abstract: 通过在上海地区的大田种植试验,研究了不同播期、不同播种密度及施肥量对优质啤麦品种‘海花1号,的产量及其构成因素的影响.结果表明:播种期对‘海花1号’的产量具有显著影响,适时的早播可有效增加其有效穗数,从而达到提高产量的目的;随播种密度的增加,产量呈现出先升后降的变化趋势,但变化幅度较小;施肥量未对其产量产生显著影响.为获得高产,较合适的播期是11月16日、播种密度240万/hm2基本苗、施肥量270 kg/hm2纯氮.
Citations
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