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The use of anionic polyacrylamide (PAM) as a soil conditioner could help prevent soil loss by water. In this study, we determined the effective granular PAM rate that best reduces runoff and soil loss from Oxisols. Furthermore, the effectiveness of the selected PAM rate was tested by applying it in a mixture with gypsum (G) or lime (L).
A field experiment was conducted in the spring of 2002 to determine the effectiveness of Polyacrylamide (PAM) in reducing soil erosion from quarter−drains in fields planted to sugarcane. Eroded quarter−drain depth and soil loss per meter were measured after six rainfall events that occurred between 28 March and 1 July and produced a total cumulative rainfall of 368 mm.
