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Published online 4 August 2005
Published in Soil Sci Soc Am J 69:1432-1439 (2005)
DOI: 10.2136/sssaj2004.0387
© 2005 Soil Science Society of America
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Effects of Effluent Irrigation on Seal Formation, Infiltration, and Soil Loss during Rainfall

M. Lado*, M. Ben-Hur and S. Assouline

Institute of Soil, Water and Environmental Sciences, the Volcani Center, Agricultural Research Organization, P.O. Box 6, Bet Dagan, 50250, Israel



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Fig. 1. Mean infiltration rates as functions of cumulative rainfall for the two soils irrigated with fresh-water or effluent at two initial conditions. Bars indicate one standard deviation.

 


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Fig. 2. Mean concentrations of clay in the leachate for the two soils irrigated with fresh-water and effluent at two initial conditions vs. the cumulative leachate depth. Bars indicate one standard deviation.

 


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Fig. 3. Mean concentration of dissolved organic matter (DOM) in the leachate for the two soils irrigated with fresh-water and effluent at two initial conditions vs. cumulative leachate depth. Bars indicate standard deviation.

 


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Fig. 4. Sodium adsorption ratio (SAR) in the leachate for the two soils irrigated with fresh-water and effluent at two initial conditions vs. cumulative leachate depth. Bars indicate one standard deviation.

 


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Fig. 5. Total soil loss during the entire rainstorm for the two soils irrigated with effluent or fresh-water at two initial conditions. Bars indicate standard deviation. Different lowercase letters indicate statistically significant (at 0.05% level) differences between irrigation water quality within soil type and initial condition, and different uppercase letters indicate statistically significant (at 0.05% level) differences between initial conditions within soil type and irrigation water quality.

 





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