The effects of mulching on soil moisture and on the persistence and strength of soil water repellency have not been well-described. Hydromulch containing surfactants significantly reduced post-fire soil water repellency (Prats et al., 2016a), whereas forest residue mulch did not affect soil water repellency (Prats et al., 2016b), and there were mixed effects of mulch on soil water repellency in a study in western North America (Robichaud et al., 2013a and Robichaud et al., 2013c).