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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

Multiple use approaches to water

AT van Coller Pr. Eng.

Senior Manager: Water Use and Irrigation Development

Department of Agriculture

big picture
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
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
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
Infrastructure choices
  • Cost of installation
  • Cost of operation and maintenance
  • Economic benefits derived
  • Socio economic benefits
  • Environmental impacts
  • Funding requirements
  • Sustainability