| 不同播期·密度·施肥量·水分对早稻生长发育的影响 |
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| 引用本文： | 吴建平,邢丹英,高剑华,杨伟明,许少华,朱诗汉,罗耀美,杨柳.不同播期·密度·施肥量·水分对早稻生长发育的影响[J].安徽农业科学,2009,37(26). |
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| 作者姓名： | 吴建平 邢丹英 高剑华 杨伟明 许少华 朱诗汉 罗耀美 杨柳 |
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| 作者单位： | 湖北省农业科学院粮食作物研究所,湖北武汉,430064;长江大学农学院,湖北荆州,434025;湖北省恩施市农业技术推广中心,湖北恩施,445000;湖北省利川市农业技术推广中心,湖北利川,445400 |
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| 基金项目： | 国家"十一五"重大粮食专项 |
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| 摘 要： | 目的]研究播期、密度、施肥量和水分对早稻生长发育与产量的影响,筛选最佳栽培因子组合。方法]对杂交早稻金优402进行播期、密度、施肥量和水分4因素3水平的正交试验。结果]播期和施肥量是影响早稻生育期和产量的主要因素;播期对金优402的生育期和产量影响极显著,施肥量对早稻生育期和产量的影响显著。早稻高产栽培的最佳组合为:播期3月22日,密度135万/hm2,施肥总量225 kg/hm2,水分刚淹没土表。结论]为农业生产提供参考。
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| 关 键 词： | 早稻 播期 密度 施肥量 水分 |
Effect of Different Sowing Dates,Planting Density,Fertilizer Rate and Field Water on Growth,Development and Yield of the Early Rice |
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| WU Jian-ping et al.Effect of Different Sowing Dates,Planting Density,Fertilizer Rate and Field Water on Growth,Development and Yield of the Early Rice[J].Journal of Anhui Agricultural Sciences,2009,37(26). |
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| Authors: | WU Jian-ping |
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| Institution: | WU Jian-ping et al(Institute of Crops,Hubei Academy of Agricultural Sciences,Wuhan,Hubei 430064) |
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| Abstract: | Objective] The research aimed to study the effect of different sowing dates,planting density,fertilizer rate and field water on growth,development and yield of the early rice,screen the best combination of culture factors.Method] The orthogonal experiment of 4 factors and 3 levels of sowing dates,planting density,fertilizer rate and field water on the early rice of Jin-you 402 were studied.Result] Sowing dates and fertilizer rate were the main influence factors of the growth period and yield of early ric... |
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| Keywords: | Early rice Sowing dates Planting density Fertilizer rate Field water |
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