| 磷肥用量对油菜产量及磷素利用效率的影响 |
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| 引用本文： | 李银水,鲁剑巍,廖星,邹娟,李小坤,余常兵,马常宝,高祥照.磷肥用量对油菜产量及磷素利用效率的影响[J].中国油料作物学报,2011,33(1):52-56. |
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| 作者姓名： | 李银水 鲁剑巍 廖星 邹娟 李小坤 余常兵 马常宝 高祥照 |
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| 作者单位： | 1. 中国农业科学院油料作物研究所，湖北 武汉 430062；
2. 华中农业大学资源与环境学院，湖北 武汉 430072；
3. 全国农业技术推广服务中心，北京，100026
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| 基金项目： | 国家“十一五”科技支撑计划重点项目(2010BAD01B05,2008BADA4B08,2006BAD21B03); 教育部新世纪人才项目(NCET-07-0345); 国际植物营养研究所合作(IPNI-Hubei-30); 油菜产业技术体系建设(nycytx-005) |
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| 摘 要： | 通过大田试验研究磷肥用量对油菜产量、养分含量、养分累积量及磷肥利用效率的影响。结果表明，与不施磷相比，施磷肥（P2O5）37.5、75.0和112.5kg/hm2平均分别增产24.2%、42.9%和43.2%，籽粒含磷量增加10.5%、16.7%和27.1%，植株地上部磷素总累积量提高36.1%、59.1%和78.7%。施磷促进油菜生长，提高油菜对磷素的吸收和累积，显著增加百千克籽粒需磷量。但磷肥农学利用率、偏生产力、表观利用率和生理利用率均随磷肥用量的增加显著下降。磷肥用量为75.0kg/hm2时可达到油菜的高产高效生产。
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| 关 键 词： | 油菜 磷肥用量 产量 磷肥利用率 |
Effect of phosphorus application rate on yield and fertilizer -phosphorus utilization efficiency in rapeseed |
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| LI Yin-shui,LU Jian-wei,LIAO Xing,ZOU Juan,LI Xiao-kun,YU Chang-bing,MA Chang-bao,GAO Xiang-zhao.Effect of phosphorus application rate on yield and fertilizer -phosphorus utilization efficiency in rapeseed[J].Chinese Journal of Oil Crop Sciences,2011,33(1):52-56. |
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| Authors: | LI Yin-shui LU Jian-wei LIAO Xing ZOU Juan LI Xiao-kun YU Chang-bing MA Chang-bao GAO Xiang-zhao |
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| Affiliation: | LI Yin-shui1,2,LU Jian-wei2*,LIAO Xing1,ZOU Juan2,LI Xiao-kun2,YU Chang-bing1,MA Chang-bao3,GAO Xiang-zhao3(1.Oil Crops Research Institute,Chinese Academy of Agricultural Sciences,Wuhan 430062,China,2.College of Resources and Environment,Huazhong Agricultural University,Wuhan 430070,3.National Agricultural Technology Extension and Service Center,Beijing 100026,China) |
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| Abstract: | Field experiments were carried out to study the effects of phosphorus(P) application rate on rapeseed yield and P fertilizer use efficiency in Hubei Province during 2007-2008.Compared to the control with zero P application,the yield of P2O5 treatments(as 37.5,75.0 and 112.5kg/hm2,respectively) increased 24.2%,42.9% and 43.2%,as well as the P content increased 10.5%,16.7% and 27.1%,and total P absorbed by aboveground parts increased 36.1%,59.1% and 78.7%,respectively.The results indicated significant promoti... |
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| Keywords: | Rapeseed(Brassica napus L ) Phosphorus application rate Yield Phosphorus use efficiency |
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