水氮耦合对温室砂培黄瓜基质水盐、氮运移及产量的影响
【目的】探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异。【方法】采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20 d测定各处理4个基质层的含水率、EC值、硝态氮量、铵态氮量,并统计了黄瓜产量,研究水氮耦合对温室砂培黄瓜基质剖面水盐、氮运移及黄瓜产量的影响。【结果】灌水水平是影响砂培基质含水率的主要因素,基质剖面上的水分分布表现出湿润峰明显向深层运移的趋势;膜下滴灌有“抑盐压盐”的作用,避免过量灌水施氮是防止基质盐分富集的有效措施;基质中的硝态氮和铵态氮总体上表现出易随水分迁移的特性,黄瓜根系对于铵态氮的吸收存...
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Published in | Guanʻgai paishui xuebao Vol. 41; no. 5; pp. 34 - 44 |
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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
01.05.2022
塔里木大学 园艺与林学学院,新疆 阿拉尔 843300 塔里木大学南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室,新疆 阿拉尔 843300%塔里木大学 分析测试中心,新疆 阿拉尔 843300%塔里木大学 水利与建筑工程学院,新疆 阿拉尔 843300%塔里木大学 机械电气化工程学院,新疆 阿拉尔 843300 |
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Online Access | Get full text |
ISSN | 1672-3317 |
DOI | 10.13522/j.cnki.ggps.2021556 |
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Abstract | 【目的】探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异。【方法】采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20 d测定各处理4个基质层的含水率、EC值、硝态氮量、铵态氮量,并统计了黄瓜产量,研究水氮耦合对温室砂培黄瓜基质剖面水盐、氮运移及黄瓜产量的影响。【结果】灌水水平是影响砂培基质含水率的主要因素,基质剖面上的水分分布表现出湿润峰明显向深层运移的趋势;膜下滴灌有“抑盐压盐”的作用,避免过量灌水施氮是防止基质盐分富集的有效措施;基质中的硝态氮和铵态氮总体上表现出易随水分迁移的特性,黄瓜根系对于铵态氮的吸收存在阈值;黄瓜产量随着灌水水平和施氮量的增加表现出先增加后降低的趋势,符合报酬递减规律。【结论】综合考虑基质剖面水盐、氮的分布运移、黄瓜产量及水氮投入等因素,本研究推荐的水氮耦合方案是灌水上下限设置为80.20%~89.40%、60%,施氮量控制在623~917 kg/hm2,能够保证黄瓜较好的生长环境、减少水分和氮素淋失风险、避免产生次生盐渍化危害、提高水肥利用效率和黄瓜产量,可为温室砂培黄瓜水肥一体化的推广提供理论依据。 |
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AbstractList | S626.5; [目的]探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异.[方法]采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20 d测定各处理4个基质层的含水率、EC值、硝态氮量、铵态氮量,并统计了黄瓜产量,研究水氮耦合对温室砂培黄瓜基质剖面水盐、氮运移及黄瓜产量的影响.[结果]灌水水平是影响砂培基质含水率的主要因素,基质剖面上的水分分布表现出湿润峰明显向深层运移的趋势;膜下滴灌有"抑盐压盐"的作用,避免过量灌水施氮是防止基质盐分富集的有效措施;基质中的硝态氮和铵态氮总体上表现出易随水分迁移的特性,黄瓜根系对于铵态氮的吸收存在阈值;黄瓜产量随着灌水水平和施氮量的增加表现出先增加后降低的趋势,符合报酬递减规律.[结论]综合考虑基质剖面水盐、氮的分布运移、黄瓜产量及水氮投入等因素,本研究推荐的水氮耦合方案是灌水上下限设置为80.20%~89.40%、60%,施氮量控制在623~917 kg/hm2,能够保证黄瓜较好的生长环境、减少水分和氮素淋失风险、避免产生次生盐渍化危害、提高水肥利用效率和黄瓜产量,可为温室砂培黄瓜水肥一体化的推广提供理论依据. 【目的】探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异。【方法】采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20 d测定各处理4个基质层的含水率、EC值、硝态氮量、铵态氮量,并统计了黄瓜产量,研究水氮耦合对温室砂培黄瓜基质剖面水盐、氮运移及黄瓜产量的影响。【结果】灌水水平是影响砂培基质含水率的主要因素,基质剖面上的水分分布表现出湿润峰明显向深层运移的趋势;膜下滴灌有“抑盐压盐”的作用,避免过量灌水施氮是防止基质盐分富集的有效措施;基质中的硝态氮和铵态氮总体上表现出易随水分迁移的特性,黄瓜根系对于铵态氮的吸收存在阈值;黄瓜产量随着灌水水平和施氮量的增加表现出先增加后降低的趋势,符合报酬递减规律。【结论】综合考虑基质剖面水盐、氮的分布运移、黄瓜产量及水氮投入等因素,本研究推荐的水氮耦合方案是灌水上下限设置为80.20%~89.40%、60%,施氮量控制在623~917 kg/hm2,能够保证黄瓜较好的生长环境、减少水分和氮素淋失风险、避免产生次生盐渍化危害、提高水肥利用效率和黄瓜产量,可为温室砂培黄瓜水肥一体化的推广提供理论依据。 |
Author | WANG, Hairui MA Guocai ZHANG Kaihao Zhengying, XUAN YANG Hongji GAO Yaning MA Xinchao WANG, Xufeng |
AuthorAffiliation | 塔里木大学 园艺与林学学院,新疆 阿拉尔 843300;塔里木大学南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室,新疆 阿拉尔 843300%塔里木大学 分析测试中心,新疆 阿拉尔 843300%塔里木大学 水利与建筑工程学院,新疆 阿拉尔 843300%塔里木大学 机械电气化工程学院,新疆 阿拉尔 843300 |
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Author_FL | MA Guocai ZHANG Kaihao YANG Hongji WANG Hairui GAO Yaning WANG Xufeng MA Xinchao XUAN Zhengying |
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Author_xml | – sequence: 1 fullname: MA Xinchao – sequence: 2 fullname: MA Guocai – sequence: 3 givenname: Hairui surname: WANG fullname: WANG, Hairui – sequence: 4 fullname: ZHANG Kaihao – sequence: 5 fullname: YANG Hongji – sequence: 6 fullname: GAO Yaning – sequence: 7 givenname: Xufeng surname: WANG fullname: WANG, Xufeng – sequence: 8 givenname: XUAN surname: Zhengying fullname: Zhengying, XUAN |
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Copyright | 2022. 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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Snippet | 【目的】探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异。【方法】采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20... S626.5; [目的]探究温室砂培黄瓜在不同水氮施用下的基质剖面水盐、氮的分布运移特征及黄瓜产量的差异.[方法]采用二次饱和D-最优设计进行了砂培黄瓜水氮耦合田间试验,试验共设7个处理,每个处理重复3次,每隔20... |
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SubjectTerms | Ammonium Coupling Crop production Crop yield Cucumbers Fertilization Greenhouses Irrigation Irrigation water Leaching Moisture content Nitrogen Risk reduction Salinization Salts Soil moisture Soil water movement Vegetables Water content Water flow |
Title | 水氮耦合对温室砂培黄瓜基质水盐、氮运移及产量的影响 |
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