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Effects of seeding date and density and fertilizer rate on grain yield of new barley Variety ‘Haihua 1’
Author(s): 
Pages: 17-19
Year: 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.
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