Improved saline-water use under subsurface drip irrigation

The scarcity of fresh water in arid regions makes saline water a valuable alternative water source for irrigation. Although saline-water use for agricultural irrigation is associated with some reduction in the yield, it is coupled with improved yield quality, as expressed by higher total soluble sol...

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Bibliographic Details
Published in:Agricultural water management 1999-02, Vol.39 (1), p.19-33
Main Authors: Oron, Gideon, DeMalach, Yoel, Gillerman, Leonid, David, Itsik, Rao, V.P
Format: Article
Language:English
Subjects:
Agricultural and forest climatology and meteorology. Irrigation. Drainage
Agronomy. Soil science and plant productions
AGUA SALINA
ARID ZONES
Biological and medical sciences
CROP YIELD
EAU SALINE
Fundamental and applied biological sciences. Psychology
General agronomy. Plant production
IRRIGATION GOUTTE A GOUTTE
IRRIGATION SOUTERRAINE
Irrigation. Drainage
ISRAEL
Pear orchard
PYRUS
RENDEMENT DES CULTURES
RENDIMIENTO DE CULTIVOS
RIEGO POR GOTEO
RIEGO SUBTERRANEO
SALINE WATER
Subsurface drip irrigation
SUBSURFACE IRRIGATION
TRICKLE IRRIGATION
ZONA ARIDA
ZONE ARIDE
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Summary:The scarcity of fresh water in arid regions makes saline water a valuable alternative water source for irrigation. Although saline-water use for agricultural irrigation is associated with some reduction in the yield, it is coupled with improved yield quality, as expressed by higher total soluble solids content. Field experiments which are in progress in a pear orchard verify that under subsurface drip irrigation (SDI) with saline water, reasonable yields can be obtained. Moisture and salinity distribution under SDI are better adjusted to the root pattern in the soil, in comparison with the conventional drip irrigation (DI). These distribution patterns explain, to some extent, the reaction of trees to saline-water application.
ISSN:0378-3774
1873-2283
DOI:10.1016/S0378-3774(98)00088-2