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A rainfall simulation study of soil erosion on rangeland in Swaziland.

Research output: Contribution to journalJournal article

Published

Journal publication date10/1997
JournalSoil Technology
Journal number3
Volume11
Number of pages9
Pages291-299
Original languageEnglish

Abstract

Rainfall simulation studies on rangeland in the Ntondozi area of Swaziland showed that soil loss decreased exponentially with increasing vegetation cover. Vegetation exerted an important hydrological control by increasing the infiltration capacity of the soil which, in turn, influenced the time to and duration of runoff. The expected effects of vegetation on soil protection and soil strength were not demonstrated. Instead, the amount of soil loss occurring in an individual storm appeared to depend on the supply of loose material on the surface which could be transported by the runoff.