牛文全,薛万来.矿化度对微润灌土壤入渗特性的影响[J].农业机械学报,2014,45(4):163-172.
Niu Wenquan,Xue Wanlai.Effects of Mineralization Degrees on Soil Infiltration under Moistube-irrigation[J].Transactions of the Chinese Society for Agricultural Machinery,2014,45(4):163-172.
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矿化度对微润灌土壤入渗特性的影响   [下载全文]
Effects of Mineralization Degrees on Soil Infiltration under Moistube-irrigation   [Download Pdf][in English]
投稿时间:2013-05-18  
DOI:10.6041/j.issn.1000-1298.2014.04.026
中文关键词:  矿化度 湿润锋 入渗 微润灌溉
基金项目:国家高技术研究发展计划(863计划)资助项目(2011AA100507)和高等学校学科创新引智计划(111计划)资助项目(B12007)
作者单位
牛文全 中国科学院水利部水土保持研究所
西北农林科技大学 
薛万来 中国科学院水利部水土保持研究所
中国科学院大学 
中文摘要:采用室内土箱模拟试验的方式,研究了5种矿化度条件下微润灌土壤水分的入渗特性。试验结果表明:矿化度对湿润体形状影响小,微润灌湿润体横剖面呈近似圆形;矿化度对湿润体体积影响较大,矿化水湿润体体积大于清水的湿润体体积。当矿化度为3g/L时,微润灌湿润体湿润锋运移速率最大,湿润锋运移速率与时间呈幂函数关系。矿化水可增加微润灌的累计入渗量,但累计入渗量与矿化度之间不是单调关系,当矿化度为3g/L时,累计入渗量达到最大,土壤平均含水率也最大。
Niu Wenquan  Xue Wanlai
Institute of Soil and Water Conservation, CAS&MWR;Northwest A&F University;Institute of Soil and Water Conservation, CAS&MWR;University of Chinese Academy of Sciences
Key Words:Mineralization degrees Wetting front Infiltration Moistube-irrigation
Abstract:n order to explore the impact of mineralization degrees on infiltration character of soil under moistubeirrigation, an indoor soil box simulation experiment method was used to investigate the infiltration character of soil water under five different mineralization degrees selectively. Results indicated that the degree of mineralization had small impact on the shapes of soil wetted zone, and the wetting front shape were similar to circle. Degree of mineralization had a relatively bigger influence on the volume of wetted soil.The volume of wetted soil in mineralized water was bigger than that in pure water. When the degree of mineralization was 3g/L, the wetting front (horizontal, vertical up and down) migration distance was the farthest, which had a power function relationship with time. The mineralized water could increase cumulative infiltration.However the relationship between cumulative infiltration and degree of mineralization was not linear relationship.The cumulative infiltration and average soil moisture content was the biggest when the degree of mineralization was 3g/L.The results of this study provided reference for the utilization of moistubeirrigation with mineralized water.

Transactions of the Chinese Society for Agriculture Machinery (CSAM), in charged of China Association for Science and Technology (CAST), sponsored by CSAM and Chinese Academy of Agricultural Mechanization Science(CAAMS), started publication in 1957. It is the earliest interdisciplinary journal in Chinese which combines agricultural and engineering. It always closely grasps the development direction of agriculture engineering disciplines and the published papers represent the highest academic level of agriculture engineering in China. Currently, nearly 8,000 papers have been already published. There are around 3,000 papers contributed to the journal each year, but only around 600 of them will be accepted. Transactions of CSAM focuses on a wide range of agricultural machinery, irrigation, electronics, robotics, agro-products engineering, biological energy, agricultural structures and environment and more. Subjects in Transactions of the CSAM have been embodied by many internationally well-known index systems, such as: EI Compendex, CA, CSA, etc.

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