Co-Authors:
Agassi, M., Soil Erosion Research Station, Rupin Institute Post, Emeq-Hefer, 60960, Israel
Shainberg, I., Institute of Soils and Water, ARO, The Volcani Center, Bet Dagan, Israel
Van Der Menue, D., Institute for Soil, Climate and Water, Pretoria, South Africa
Abstract:
The effect of water salinity on inter-rill erosion and infiltration rate was studied using six soils from South Africa. The soils were subjected to simulated rainstorms (22-3 J mm-1 m-2) using three water salinities (electrical conductivity) of 0.01, 0.7 and 2.5 dS m-1, respectively. The soils were divided into stable and unstable soils, depending on their susceptibility to erosion processes and seal formation. In general, infiltration rate increased and runoff and erosion decreased with increasing water salinity, for the unstable soils, while with the stable soils, water salinity had no effect, or even deleterious effects, on infiltration rate and erosion. A very high correlation was found between final infiltration rate and erosion for all the soils and water salinities. © 1994, CSIRO. All rights reserved.
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