| 宁夏干旱风沙草原区紫花苜蓿地下滴灌水肥耦合试验研究 |
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| 引用本文： | 周乾,徐利岗,杜建民,刘燕茹. 宁夏干旱风沙草原区紫花苜蓿地下滴灌水肥耦合试验研究[J]. 节水灌溉, 2019, 0(7): 21-25,31 |
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| 作者姓名： | 周乾 徐利岗 杜建民 刘燕茹 |
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| 作者单位： | 宁夏水利科学研究院;宁夏农林科学院;宁夏回族自治区农业综合开发办公室 |
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| 基金项目： | 国家重点研发计划项目(2016YFC0400305,2016YFC0400302,2016YFC0400307);宁夏重点研发计划项目(2017BY082);宁夏人才项目(KJT2016005) |
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| 摘 要： | 针对宁夏干旱风沙草原区紫花苜蓿地下滴灌灌溉制度、水肥协同效应不明确的问题。通过田间试验,对不同水肥组合下地下滴灌紫花苜蓿株高、土壤水分、产量及水分生产效率等指标进行综合分析,结果表明,处理D11条件下地下滴灌紫花苜蓿生长状况较好。研究提出了宁夏干旱风沙草原区苜蓿地下滴灌水肥耦合灌溉制度为:灌溉定额为3150m3/hm^2,灌水次数为12次,施肥量N为90kg/hm^2、P2O5为126kg/hm^2、K2O为108kg/hm^2。
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| 关 键 词： | 干旱风沙草原区 紫花苜蓿 地下滴灌 灌溉制度 水肥耦合 |
Coupling Effects of Water and Fertilizer with Subsurface Drip Irrigation on Alfalfa in Drought Sand Savanes of Ningxia |
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| ZHOU Qian,XU Li gang,DU Jian min,LIU Yan ru. Coupling Effects of Water and Fertilizer with Subsurface Drip Irrigation on Alfalfa in Drought Sand Savanes of Ningxia[J]. Water Saving Irrigation, 2019, 0(7): 21-25,31 |
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| Authors: | ZHOU Qian XU Li gang DU Jian min LIU Yan ru |
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| Affiliation: | (Ningxia Institute of Water Resources Research, Yinchuan 750021, China;Ningxia Academy of Agricultural and Forestry Sciences, Yinchuan 750002, China;Agricultural Comprehensive Development Office of Ningxia Hui Autonomous Region, Yinchuan 750002, China) |
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| Abstract: | ZHOU Qian;XU Li gang;DU Jian min;LIU Yan ru(Ningxia Institute of Water Resources Research, Yinchuan 750021, China;Ningxia Academy of Agricultural and Forestry Sciences, Yinchuan 750002, China;Agricultural Comprehensive Development Office of Ningxia Hui Autonomous Region, Yinchuan 750002, China) |
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| Keywords: | Drought Sand Savanes alfalfa subsurface drip irrigation irrigation schedule coupling effects of water and fertilizer |
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