Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtata Dam Fish Research Centre, Transkei Part II: The use of cattle manure with and without pelleted fish feed Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtata Dam Fish Research Centre, Transkei Part II: The use of cattle manure with and without pelleted fish feed
Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtats Dam Fish Research Centre, Transkei Part III: The use of chicken manure with and without pelleted fish feed Observations on fish growth in polyculture during late summer and autumn in fish ponds at the Umtats Dam Fish Research Centre, Transkei Part III: The use of chicken manure with and without pelleted fish feed
Intercomparison of conceptual rainfall-runoff models using data from semi-arid research catchments Intercomparison of conceptual rainfall-runoff models using data from semi-arid research catchments
Besproeiing, gewasopbrengs en dreinering op die Vaalhartsbesproeiingskema: 4. Goeie vloedbesproeiing op ‘n sandgrond Besproeiing, gewasopbrengs en dreinering op die Vaalhartsbesproeiingskema: 4. Goeie vloedbesproeiing op 'n sandgrond
Disposal of wastewater from Modderfontein Factory: Review of the biological nitrogen removal systems Disposal of wastewater from Modderfontein Factory: Review of the biological nitrogen removal systems
Estimation of surface soil moisture content in the Siaya catchment Estimation of surface soil moisture content in the Siaya catchment
Calculating runoff from catchment physiography in South Africa Calculating runoff from catchment physiography in South Africa
The phosphorus cycle in Germiston Lake IV. The relationship between the absorption, accumulation and release of phosphorus and the metabolic rate and phosphorus contents of the tissues of Potamogeton pectinatus L The phosphorus cycle in Germiston Lake IV. The relationship between the absorption, accumulation and release of phosphorus and the metabolic rate and phosphorus contents of the tissues of Potamogeton pectinatus L
A note on the relationship between annual rainfall and tree-ring indices for one site in South Africa A note on the relationship between annual rainfall and tree-ring indices for one site in South Africa
Continuous recording of evaporation from a type A-pan Continuous recording of evaporation from a type A-pan