[1]
Snyman, H.A. 2006. A Case Study on in situ Rooting Profiles and Water-Use Efficiency of Cactus Pears, Opuntia ficus-indica and O. robusta. Journal of the Professional Association for Cactus Development. 7, (Jan. 2006), 1–21. DOI:https://doi.org/10.56890/jpacd.v7i.284.