播期对大豆产量及农艺性状的影响
Soybean Science & Technology(2010)
Abstract
以引进和本地23个品种为材料,研究了在沧州气候条件下,不同播期对大豆产量及主要农艺性状的影响。结果表明:推迟播种,缩短了始花期至生理成熟期的天数,从而缩短了各品种的生育期;晚播严重降低了各品种的株高和主茎节数;产量、单株粒数、百粒重与播期达到了显著负相关,所以夏大豆适时早播意义重大。
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Key words
Yield,Sowing by stages,Agronomic character,Soybean
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