• Potential of selected Karoo plant species for rehabilitation of old fields 

      Witbooi, Bernadette M. (Bernadette Mary) (Stellenbosch : Stellenbosch University, 2002-12)
      ENGLISH ABSTRACT: The passive recovery of old fields in the Karoo is a slow process, hampered by low and erratic rainfall, poor seed germination due to limited availability of suitable micro sites for seedling ...