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Rainfall simulations in Spain indicated that vegetation may increase soil infiltration rates. Experimenters observed locally higher infiltration rates (preferential flow) around the roots of shrubs due to the macropores created.

Van Schaik, N. Loes M. B. (2009). Spatial variability of infiltration patterns related to site characteristics in a semi-arid watershed. Catena, 78(1), 36-47.


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