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    • Soil fertility constraints to small-scale agriculture in North-west Zambia 

      Symons, Julia (Stellenbosch : Stellenbosch University, 2008-03)
      The soils of north-west Zambia are largely unexplored and are regarded by local residents as problematic in providing sufficient nutrients for the staple crop of maize in the area. The area is semi-tropical, with an average ...

    • Efficiency of irrigation practices for table grapes in the Hex River Valley 

      Eustice, Tarryn (Stellenbosch : University of Stellenbosch, 2008-03)
      In order to produce table grapes of export quality economically, irrigation must be practised conservatively without adversely affecting the crop. To use water as conservatively as possible effective irrigation scheduling ...