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Multiple use approaches to water. AT van Coller Pr. Eng. Senior Manager: Water Use and Irrigation Development Department of Agriculture. Big Picture. Internal (on-site) Cost of practices Capacity to implement Energy requirements Benefits derived from practices External (off-site)
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Multiple use approaches to water AT van Coller Pr. Eng. Senior Manager: Water Use and Irrigation Development Department of Agriculture
Big Picture • Internal (on-site) • Cost of practices • Capacity to implement • Energy requirements • Benefits derived from practices • External (off-site) • Infrastructure requirements • Advisory support services • Research and development • Market and business development • Access to financial support • Access to knowledge and information
Impacts of multiple use • Balancing act • Impact on environment • Impact of food insecurity • Impact on downstream users • Spatial distribution between availability and abstraction • Sector mandates • Increased grey areas • Good guys vs Bad guys • Project implementation • Planning not inclusive • Partial plans for own benefit
Stepped approach for agricultural production • Learn basic agricultural production practices (Food plot- household) • Improve soil profile for increase soil moisture retention • Harvest grey water • Collect water from roof • Collect runoff water from own yard • Community garden development • Small farmer production for local market • Commercial production
Infrastructure choices • Cost of installation • Cost of operation and maintenance • Economic benefits derived • Socio economic benefits • Environmental impacts • Funding requirements • Sustainability