| 2个早稻品种最佳氮肥施用量研究 |
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| 引用本文： | 许少华,邢丹英,李鹏飞,张艳霞,罗耀美,朱诗汉,袁志华,牟方勇. 2个早稻品种最佳氮肥施用量研究[J]. 安徽农业科学, 2011, 39(19): 11403-11404 |
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| 作者姓名： | 许少华 邢丹英 李鹏飞 张艳霞 罗耀美 朱诗汉 袁志华 牟方勇 |
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| 作者单位： | 长江大学农学院,湖北,荆州,434025;湖北利川市农技推广中心,湖北,利川,445400;湖北恩施市农技推广中心,湖北,恩施,445000 |
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| 基金项目： | 国家科技部“十一五”重大科技专项(2006BAD02A02) |
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| 摘 要： | [目的]探讨2个早稻品种在江汉平原的最佳氮肥施用量。[方法]对两优9168和华两优103进行225、150和75kg/hm23个不同氮肥施用量试验,筛选2个早稻品种的最佳氮肥施用量。[结果]供试品种间生育期差异未达显著水平,氮肥施用量对生育期影响极显著,随着氮肥施用量的减少,水稻全生育期有延长趋势;氮肥施用量对产量影响显著,随着氮肥施肥量的减少,产量呈递减趋势;氮肥施用量对经济系数影响显著,且均在150kg/hm2水平下经济系数最大。[结论]该研究为水稻生产提供了参考依据。
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| 关 键 词： | 早稻 品种 氮肥施用量 效果 |
Study on the Best Quantity of Nitrogen Fertilizer of Two Early Rice Cultivars |
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| XU Shao-hua et al. Study on the Best Quantity of Nitrogen Fertilizer of Two Early Rice Cultivars[J]. Journal of Anhui Agricultural Sciences, 2011, 39(19): 11403-11404 |
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| Authors: | XU Shao-hua et al |
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| Affiliation: | XU Shao-hua et al(College of Agronomy,Yangze University,Jingzhou,Hubei 434025) |
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| Abstract: | [Objective]The objective of the research was to study the effect of the best quantity of nitrogen fertilizer on Jianghan Plain.[Method]With Liangyou 168 and Hualiangyou 103 as tested materia,the best quantity of nitrogen fertilizers was screened out from 225,150 and 75 kg/hm2.[Result]Growth period had not significant difference between tested cultivars,but the quantity of nitrogen fertilizers was very significant on the growth period.With the reduction of quantity of nitrogen fertilizers the whole growth pe... |
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| Keywords: | Early rice Cultivars Quantity of nitrogen fertilizers Effect |
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