| 控释氮肥对棉花植株N素吸收、土壤硝态氮累积及产量的影响 |
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| 引用本文： | 胡伟,张炎,胡国智,李青军,汤明尧.控释氮肥对棉花植株N素吸收、土壤硝态氮累积及产量的影响[J].棉花学报,2011,23(3):253-258. |
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| 作者姓名： | 胡伟 张炎 胡国智 李青军 汤明尧 |
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| 作者单位： | 1. 新疆农科院土壤肥料与农业节水研究所,乌鲁木齐,830091
2. 新疆农业厅土壤肥料工作站,乌鲁木齐,830006 |
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| 基金项目： | "十一五"国家科技支撑计划，国际植物营养研究所(IPNI)项目 |
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| 摘 要： | 通过2年田间定位试验研究了控释氮肥和普通氮肥不同用量对棉花植株N素吸收和土壤硝态氮累积及产量的影响.结果表明:2008年控释氮肥处理植株N素吸收量和吸收速率在苗期和蕾期小于普通氮肥,但花期以后超过后者,并维持较高水平,2009年的N素吸收量控释氮肥始终高于普通氮肥,同时,控释氮肥不同程度地提高了氮肥表观利用率;在施氮量...
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| 关 键 词： | 控释氮肥 棉花 氮素吸收 硝态氮 |
| 收稿时间： | 2010-05-27; |
Effects of Controlled Release of N Fertilizer on Plant Tissue N Absorption and Accumulation of Soil Nitrate Nitrogen and Yield of Cotton |
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| HU Wei,ZHANG Yan,HU Guo-zhi,LI Qing-jun,TANG Ming-yao.Effects of Controlled Release of N Fertilizer on Plant Tissue N Absorption and Accumulation of Soil Nitrate Nitrogen and Yield of Cotton[J].Cotton Science,2011,23(3):253-258. |
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| Authors: | HU Wei ZHANG Yan HU Guo-zhi LI Qing-jun TANG Ming-yao |
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| Institution: | HU Wei1,ZHANG Yan1,HU Guo-zhi1,LI Qing-jun1,TANG Ming-yao2(1.Institute of Soil & Fertilizer and Agricultural Water-saving of Xinjiang Agricultural Science Academy,Urumqi 830091,China,2.Workstation of Soil and Fertilizer of Xinjiang Agricultural Department,Urumqi 830006,China) |
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| Abstract: | Field experiments were carried out to evaluate the effects of different amounts of controlled release nitrogenous fertilizer and common urea on cotton yield,along with nitrate-N accumulation in soil and N absorption in plant tissue in 2008 and 2009.The results showed that N concentration volume and rate of plant tissue were less for controlled release N-fertilizer than that of common urea during seedling and bud stage,respectively,but exceeded the latter after florescence and maintain higher level in 2008.N... |
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| Keywords: | controlled release of nitrogenous fertilizer cotton nitrogenous absorption nitrate nitrogen |
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