Arid
DOI10.1007/s10661-016-5488-8
Soil salinisation and irrigation management of date palms in a Saharan environment
Haj-Amor, Zied1; Ibrahimi, Mohamed-Khaled2; Feki, Nissma3; Lhomme, Jean-Paul4; Bouri, Salem1
通讯作者Haj-Amor, Zied
来源期刊ENVIRONMENTAL MONITORING AND ASSESSMENT
ISSN0167-6369
EISSN1573-2959
出版年2016
卷号188期号:8
英文摘要

The continuance of agricultural production in regions of the world with chronic water shortages depends upon understanding how soil salinity is impacted by irrigation practises such as water salinity, irrigation frequency and amount of irrigation. A two-year field study was conducted in a Saharan oasis of Tunisia (Lazala Oasis) to determine how the soil electrical conductivity was affected by irrigation of date palms with high saline water. The study area lacked a saline shallow water table. Field results indicate that, under current irrigation practises, soil electrical conductivity can build up to levels which exceed the salt tolerance of date palm trees. The effects of irrigation practises on the soil electrical conductivity were also evaluated using model simulations (HYDRUS-1D) of various irrigation regimes with different frequencies, different amounts of added water and different water salinities. The comparison between the simulated and observed results demonstrated that the model gave an acceptable estimation of water and salt dynamics in the soil profile, as indicated by the small values of root mean square error (RMSE) and the high values of the Nash-Sutcliffe model efficiency coefficient (NSE). The simulations demonstrated that, under field conditions without saline shallow groundwater, saline irrigation water can be used to maintain soil electrical conductivity and soil water content at safe levels (soil electrical conductivity <4 dS m(-1) and soil water content >0.04 cm(3) cm(-3)) if frequent irrigations with small amounts of water (90 % of the evapotranspiration requirements) were applied throughout the year.


英文关键词Arid lands Irrigation practises Saline water Soil salinisation
类型Article
语种英语
国家Tunisia ; Japan ; France
收录类别SCI-E
WOS记录号WOS:000381144300054
WOS关键词SHALLOW-WATER TABLE ; HYDRAULIC CONDUCTIVITY ; SALINITY DISTRIBUTION ; UNSATURATED SOILS ; FIELD CONDITIONS ; BRACKISH-WATER ; POROUS-MEDIA ; GROUNDWATER ; MODEL ; TUNISIA
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192759
作者单位1.Natl Engn Sch Sfax, Water Energy & Environm Lab, Sfax 3038, Tunisia;
2.TheUnivers Tokyo, Grad Sch Agr & Life Sci, Bunkyo Ku, 1-1-1 Yayoi, Tokyo 1138657, Japan;
3.Natl Engn Sch Sfax, Environm Geotech & Civil Mat Res Unit, Sfax 3038, Tunisia;
4.Montpellier SupAgro, IRD UMR LISAH, 2 Pl Viala, F-34060 Montpellier, France
推荐引用方式
GB/T 7714
Haj-Amor, Zied,Ibrahimi, Mohamed-Khaled,Feki, Nissma,et al. Soil salinisation and irrigation management of date palms in a Saharan environment[J]. French National Research Institute for Sustainable Development,2016,188(8).
APA Haj-Amor, Zied,Ibrahimi, Mohamed-Khaled,Feki, Nissma,Lhomme, Jean-Paul,&Bouri, Salem.(2016).Soil salinisation and irrigation management of date palms in a Saharan environment.ENVIRONMENTAL MONITORING AND ASSESSMENT,188(8).
MLA Haj-Amor, Zied,et al."Soil salinisation and irrigation management of date palms in a Saharan environment".ENVIRONMENTAL MONITORING AND ASSESSMENT 188.8(2016).
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