University of Khartoum

The Effect Of Two Nonionic Surfactants On Aggregate Stability Of Soils

The Effect Of Two Nonionic Surfactants On Aggregate Stability Of Soils

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Title: The Effect Of Two Nonionic Surfactants On Aggregate Stability Of Soils
Author: Mustafa, M. A.; Letey, J
Abstract: The effect of two nonionic surfactants, Soil Penetrant and Aqua Gro on the aggregate stability of two hydrophilic soil systems and one hydrophobic (water repellent) soil system was studied. Two sets of experiments to simu-late two different field conditions were carried out. In the first set of experiments the aggregate stability of soils was determined in solutions of different surfactant concentrations (0, 5, 10, 100, 500, 1000 ppm). In the second set, the aggregate stability of soils pretreated separately with three surfactant solutions (0, 10, 1000 ppm.) was determined in distilled water. It was concluded that the application of sur-factant either before (residual) or with the irrigation water will decrease the aggregate stability of the hydrophobic soils; whereas, in the case of the hydrophilic soils, although the application of surfactant with irrigation water would decrease the stability of the system, yet its residual effect might promote the stability
URI: http://khartoumspace.uofk.edu/123456789/22271


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