soil nutrients (2)
Jacobson, P. J.; Jacobson, K. M. ; Angermeiert, P. L. ; Cherry, D. S.
Hydrologic influences on soil properties along ephemeral rivers in the Namib Desert.
Abrams, M.M.; Jacobson, P.J.; Jacobson, K.M.; Seely, M.K.
Survey of soil chemical properties across a landscape in the Namib Desert