不同灌水次数下施氮量对优质春小麦产量与品质的影响

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以春小麦品种新旱688为材料,在新疆特殊的种植生态区进行田间小区试验,采用双因素裂区试验设计。以灌水次数为主区W2(拔节期,开花期),W4(三叶期,拔节期,开花期,灌浆期);施氮量为裂区,设0kg/hm2(N0)、150kg/hm2(N1)、300kg/hm2(N2)、450kg/hm2(N3)。研究了不同灌水次数下施氮量对春小麦产量形成和品质的影响,为优质春小麦新品种选育、品种利用以及合理的肥水栽培管理提供理论依据,本试验主要研究结果如下:在一定的施氮范围内Chl(a+b)、Chla、Ch
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