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| 不同氮肥用量对杂交晚稻甬优12穗粒结构和产量的影响 | |
| 引用本文： | 吴建能,许开华,陈忠泽,沈斌法.不同氮肥用量对杂交晚稻甬优12穗粒结构和产量的影响[J].杂粮作物,2011(2). |
| 作者姓名： | 吴建能 许开华 陈忠泽 沈斌法 |
| 作者单位： | 1. 浙江省慈溪市观海卫镇农技站,浙江慈溪,315326 2. 浙江省慈溪市农业技术推广中心,浙江慈溪,315300 3. 浙江省慈溪市崇寿镇农技站,浙江慈溪,315303 |
| 基金项目： | 宁波市科技研究项目(2009C1003) |
| 摘 要： | 目的]为氮肥的合理利用提供科学依据。方法]以甬优12为试材,采取田间小区试验方法,设5个施氮水平,研究不同施氮量对甬优12产量和穗粒结构的影响。结果]不同的氮肥用量对甬优12的苗、蘖、穗形成具有明显的促进作用,均随氮肥用量的增加而增加;稻谷产量随着施氮量的增加而增加,氮肥用量超过225kg/hm2时,产量随着氮肥用量增加而递减,施肥效益降低。结论]甬优12在中等土壤肥力条件下,最佳施氮量为纯氮225kg/hm2左右。 |
| 关 键 词： | 杂交粳稻 甬优12 氮肥 施用量 |
Effects of Nitrogen Application with Different Level on Ear Kernel Structure and Yield of Late Hybrid Rice Yongyou 12 |
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| WU Jian-neng et al.Effects of Nitrogen Application with Different Level on Ear Kernel Structure and Yield of Late Hybrid Rice Yongyou 12[J].Rain Fed Crops,2011(2). | |
| Authors: | WU Jian-neng |
| Institution: | WU Jian-neng et al(Agro-technical Station of Guanhaiwei Town in Cixi County of Zhejiang Province,Cixi,Zhejiang 315326) |
| Abstract: | Objective] The study aimed to provide the references on nitrogen rational utilization.Method] With Yongyou12 as tested material,took field plot as the method,five treatments of nitrogen application were set up to study the effects of nitrogen application with different levels on ear kernel structure and yield of Yongyou12.Result] There were promoting effects of nitrogen application with different level on formation of seedling,tiller and panicle,increasing along with increase of nitrogen application.Yiel... |
| Keywords: | Japonica hybrid rice Yongyou12 Nitrogen fertilizer Application |
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