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Polyacrylamide Molecular Weight and Charge Effects on Infiltration under Simulated Rainfall

^a Dep. of Agronomy, Purdue Univ., 1150 Lilly Hall, West Lafayette, IN 47907-1150 USA
^b USDA-ARS, National Soil Erosion Research Lab., 1196 Soil Building, West Lafayette, IN 47907-1196 USA

View larger version (31K): [in a new window]   Fig. 1 Infiltration rate as a function of time with rainfall intensity of 68 mm h-1 on a Cecil sandy loam soil treated with PAMs of different molecular formulations. PAM treatments are abbreviated as charge density-molecular weight (CD-MW). This figure is a general representation of the trend for infiltration rates observed on all three soils