Irrigation requirements of selected crops under small-scale production: Linking on farm and on station research Irrigation requirements of selected crops under small-scale production: Linking on farm and on station research
The treatment of eutrophic water using pre- and intermediate ozonation, peroxone and pica carbon The treatment of eutrophic water using pre- and intermediate ozonation, peroxone and pica carbon
Weather radar measurement of rainfall for hydrological and other purposes Weather radar measurement of rainfall for hydrological and other purposes
THE EXTRACTION OF WATER FROM SEDIMENT-LADEN STREAMS IN SOUTHERN AFRICA THE EXTRACTION OF WATER FROM SEDIMENT-LADEN STREAMS IN SOUTHERN AFRICA
Flood damage functions, models and a computer program for irrigation and urban areas in South Africa Volume 2 Flood damage functions, models and a computer program for irrigation and urban areas in South Africa Volume 2