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- W972389392 abstract "为了明确水稻高产条件下的栽培模式,增加水稻产量,改善稻米品质,试验采用规范化设计,以＂沈稻9号＂为材料,研究了氮、磷、钾施用量及水稻播种量和移栽密度对水稻生长发育的影响。结果表明：稻米的品质性状中,垩白度、垩白粒率受处理因子影响变异较大,直链淀粉含量和食味值差异较小。影响产量的主要因子是施氮量,增施氮肥穗数增加,但同时千粒重降低。施氮有利于糙米率和精米率的提高,但同时稻米垩白粒率明显增加,食味值下降,蛋白质含量增加。增施钾肥有利于提高食味值、降低蛋白质含量。增加插秧穴距,穗数和穗粒数都有增加的趋势,有利于提高碾磨品质,同时降低垩白粒率和垩白度。各处理因子对碱消值和直链淀粉含量影响均不显著。群体净同化率与抽穗后干物生产量呈极显著的正相关。最大叶面积指数与总干物重之间呈二次抛物线关系。" @default.
- W972389392 created "2016-06-24" @default.
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- W972389392 date "2009-01-01" @default.
- W972389392 modified "2023-09-24" @default.
- W972389392 title "栽培措施对“沈稻9号”产量和品质的影响" @default.
- W972389392 hasPublicationYear "2009" @default.
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