不同灌溉条件下氮肥配施模式对水稻干物质和产量的影响
【目的】明确不同灌溉模式下普通尿素与控释尿素配施对水稻干物质积累、分配和产量的影响。【方法】以“超级稻-两优152”为供试作物，采取完全随机设计，灌溉方式设置常规灌溉（CF）和干湿交替灌溉（AWD）2种，氮肥配施模式设置100%普通尿素（N1），60%控释尿素+40%普通尿素（N2）和100%控释尿素（N3），施氮总量均为240 kg/hm2。测定不同处理组合下各生育期水稻叶片SPAD值、株高、抽穗期和成熟期各器官干物质量、茎蘖数、籽粒产量及其构成因素。【结果】同一施氮模式下，与CF处理相比，AWD处理下拔节—灌浆期水稻叶片的SPAD值、作物生长速率、茎蘖成穗率、干物质积累量及其向籽粒的分配比...
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| Published in | Guanʻgai paishui xuebao Vol. 42; no. 2; pp. 73 - 109 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese English |
| Published |
Xinxiang City
Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
01.02.2023
长江大学 农学院,湖北 荆州 434025 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-3317 |
| DOI | 10.13522/j.cnki.ggps.2022242 |
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| Abstract | 【目的】明确不同灌溉模式下普通尿素与控释尿素配施对水稻干物质积累、分配和产量的影响。【方法】以“超级稻-两优152”为供试作物，采取完全随机设计，灌溉方式设置常规灌溉（CF）和干湿交替灌溉（AWD）2种，氮肥配施模式设置100%普通尿素（N1），60%控释尿素+40%普通尿素（N2）和100%控释尿素（N3），施氮总量均为240 kg/hm2。测定不同处理组合下各生育期水稻叶片SPAD值、株高、抽穗期和成熟期各器官干物质量、茎蘖数、籽粒产量及其构成因素。【结果】同一施氮模式下，与CF处理相比，AWD处理下拔节—灌浆期水稻叶片的SPAD值、作物生长速率、茎蘖成穗率、干物质积累量及其向籽粒的分配比例增加。同一灌溉模式下，与N1处理相比，N2、N3处理的茎蘖成穗率、作物生长速率、干物质积累量、穗粒数、千粒质量、结实率及籽粒产量增加，其中N2处理籽粒产量的增加幅度要高于N3处理。整体来看，与其他处理相比，AWDN2处理获得较高的SPAD值、茎蘖成穗率、作物生长速率、干物质积累量、收获指数、穗粒数、千粒质量、结实率和籽粒产量。【结论】干湿交替灌溉耦合60%控释尿素+40%普通尿素有利于减少水稻的无效分蘖，改善植株的氮营养状况，促进干物质的积累及其向籽粒的分配，从而提高产量。 |
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| AbstractList | 【目的】明确不同灌溉模式下普通尿素与控释尿素配施对水稻干物质积累、分配和产量的影响。【方法】以“超级稻-两优152”为供试作物，采取完全随机设计，灌溉方式设置常规灌溉（CF）和干湿交替灌溉（AWD）2种，氮肥配施模式设置100%普通尿素（N1），60%控释尿素+40%普通尿素（N2）和100%控释尿素（N3），施氮总量均为240 kg/hm2。测定不同处理组合下各生育期水稻叶片SPAD值、株高、抽穗期和成熟期各器官干物质量、茎蘖数、籽粒产量及其构成因素。【结果】同一施氮模式下，与CF处理相比，AWD处理下拔节—灌浆期水稻叶片的SPAD值、作物生长速率、茎蘖成穗率、干物质积累量及其向籽粒的分配比例增加。同一灌溉模式下，与N1处理相比，N2、N3处理的茎蘖成穗率、作物生长速率、干物质积累量、穗粒数、千粒质量、结实率及籽粒产量增加，其中N2处理籽粒产量的增加幅度要高于N3处理。整体来看，与其他处理相比，AWDN2处理获得较高的SPAD值、茎蘖成穗率、作物生长速率、干物质积累量、收获指数、穗粒数、千粒质量、结实率和籽粒产量。【结论】干湿交替灌溉耦合60%控释尿素+40%普通尿素有利于减少水稻的无效分蘖，改善植株的氮营养状况，促进干物质的积累及其向籽粒的分配，从而提高产量。 S276.3; [目的]明确不同灌溉模式下普通尿素与控释尿素配施对水稻干物质积累、分配和产量的影响.[方法]以"超级稻-两优152"为供试作物,采取完全随机设计,灌溉方式设置常规灌溉(CF)和干湿交替灌溉(AWD)2种,氮肥配施模式设置100％普通尿素(N1),60％控释尿素+40％普通尿素(N2)和100％控释尿素(N3),施氮总量均为240 kg/hm2.测定不同处理组合下各生育期水稻叶片SPAD值、株高、抽穗期和成熟期各器官干物质量、茎蘖数、籽粒产量及其构成因素.[结果]同一施氮模式下,与CF处理相比,AWD处理下拔节—灌浆期水稻叶片的SPAD值、作物生长速率、茎蘖成穗率、干物质积累量及其向籽粒的分配比例增加.同一灌溉模式下,与N1处理相比,N2、N3处理的茎蘖成穗率、作物生长速率、干物质积累量、穗粒数、千粒质量、结实率及籽粒产量增加,其中N2处理籽粒产量的增加幅度要高于N3处理.整体来看,与其他处理相比,AWDN2处理获得较高的SPAD值、茎蘖成穗率、作物生长速率、干物质积累量、收获指数、穗粒数、千粒质量、结实率和籽粒产量.[结论]干湿交替灌溉耦合60％控释尿素+40％普通尿素有利于减少水稻的无效分蘖,改善植株的氮营养状况,促进干物质的积累及其向籽粒的分配,从而提高产量. |
| Author | Dongliang, QI YANG, Yu Chen, PAN |
| AuthorAffiliation | 长江大学 农学院,湖北 荆州 434025 |
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| Author_FL | PAN Chen YANG Yu QI Dongliang |
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| Author_xml | – sequence: 1 givenname: PAN surname: Chen fullname: Chen, PAN – sequence: 2 givenname: Yu surname: YANG fullname: YANG, Yu – sequence: 3 givenname: QI surname: Dongliang fullname: Dongliang, QI |
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| ClassificationCodes | S276.3 |
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| Copyright | 2023. This work is published under https://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| Keywords | 干物质 水稻 收获指数 干湿交替灌溉 控释尿素 |
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| SubjectTerms | Accumulation Agricultural production Controlled release Crop growth Crop yield Crops Dry matter Fertilization Fruits Grain Growth rate Irrigation Irrigation effects Leaves Moisture content Nitrogen Plant extracts Plants (botany) Rice Soil water Stems Translocation Urea Weight |
| Title | 不同灌溉条件下氮肥配施模式对水稻干物质和产量的影响 |
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