marginally significantp = 0.11
Treatment by soil depth interaction was significant (p < 0.05) at Balducchi and La Blanca, while main effects of treatment (p = 0.05) and soil depth (p < 0.05) were significant at La Hansa, and only soil depth resulted in a marginally significant effect (p = 0.11) at San Alfredo (Fig. 3 ) (Supplementary material 1 , Appendix A).