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Characteristics of Sink, Source, Flow and High-yielding Components in Good Quality Hybrid Indica Rice Fengyou 22
Author(s): 
Pages: 29-32
Year: Issue:  9
Journal: Acta Agriculturae Jiangxi

Abstract: 通过丰优22不同播栽期、密度、施肥量、肥料运筹等试验,研究分析了丰优22在早播早栽、密度22.5万穴/hm2、施N量225 kg/hm2、基肥∶分蘖穗肥∶保花肥分别占施N量比例为6∶3∶1的最佳栽培条件下的物质生产、物质运转及产量构成因素.结果表明:丰优22库容较大,填库能力强;尤其是在抽穗至成熟期,其光合作用能力强,粒叶比高,光合产物多;花后光合产物对籽粒充实的贡献大,源库间流的通畅性好,库、源...
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