| 肥液浓度对膜孔单向交汇入渗水分运移特性的影响 |
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| 引用本文： | 董玉云,费良军,任建民.肥液浓度对膜孔单向交汇入渗水分运移特性的影响[J].干旱地区农业研究,2009,27(6):83-88. |
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| 作者姓名： | 董玉云 费良军 任建民 |
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| 作者单位： | 董玉云,任建民(兰州交通大学土木工程学院,甘肃,兰州,730070);费良军(西安理工大学水资源研究所,陕西,西安,710048) |
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| 基金项目： | 兰州交通大学"青蓝"人才工程基金，国家自然科学基金项目，陕西高校省级重点实验室重点科研项目 |
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| 摘 要： | 通过清水与不同肥液浓度的膜孔单向交汇室内入渗试验,研究了不同浓度的膜孔肥液单向交汇入渗量、湿润锋运移距离及土壤含水量分布.提出了土壤入渗量和湿润锋运移距离随肥液浓度的增加而增大的规律;建立了不同肥液浓度膜孔入渗量和湿润锋运移距离经验模型.经实测资料验证,模型精度较高;肥液浓度越大,相同时间的湿润锋运移距离越大,相同深度处的土壤含水量也越大.
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| 关 键 词： | 膜孔灌 单向交汇入渗 肥液浓度 水分运移特性 |
Influence of fertilizer solution concentration on water transport characteristics under film hole single-line interference infiltration |
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| DONG Yuyun,FEI Liangjun,REN Jianmin.Influence of fertilizer solution concentration on water transport characteristics under film hole single-line interference infiltration[J].Agricultural Research in the Arid Areas,2009,27(6):83-88. |
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| Authors: | DONG Yuyun FEI Liangjun REN Jianmin |
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| Institution: | DONG Yu-yun1,FEI Liang-jun2,REN Jian-min1(1.College of Civil Engineering,Lanzhou Jiaotong University,Lanzhou,Gansu 730070,China,2.Institute of Water Resources,Xi'an University of Technology,Xi'an,Shaanxi 710048,China) |
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| Abstract: | Based on lab experiment under film hole single-line interference infiltration with different fertilizer solution concentration,cumulative infiltration volume,wetting front transport distance and the distribution of soil water content with different fertilizer solution concentration were studied.The laws of cumulative infiltration volume and transport distance of wetting front increased with the increase of solution concentration were presented,mathematical models for cumulative infiltration volume under fil... |
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| Keywords: | film hole irrigation single-line interference infiltration fertilizer solution concentration water transport characteristics |
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