English: In the Lower Vaal and Riet Rivers, changing irrigation water quality has raised concern about the long-term sustainability of irrigation due to reduced yields of certain crops and the withdrawal of some very ...

English: In the Lower Vaal and Riet Rivers, changing irrigation water quality has raised concern about the long-term sustainability of irrigation due to reduced yields of certain crops and the withdrawal of some very ...

English: Salinisation of irrigation schemes has become a problem in various schemes in South Africa. One such area that experiences salinisation problems selected for this research is the Lower Vaal and Lower Riet irrigation ...

English: This thesis is the culmination of salinity economics research conducted for the South African Water Research Commission. The contribution of this thesis to science is not only in the field of Agricultural Economics. ...