HOLIDAY INN, HARARE 28 TH SEPTEMBER 2015

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Presentation transcript:

HOLIDAY INN, HARARE 28 TH SEPTEMBER 2015 RAISING WARENESS ON RAINWATER HARVESTING TECHNOLOGIES FOR SMALL-SCALE IRRIGATION:CAPACITY-BUILDING, TECHNOLOGY TRANSFER AND UP-SCALING HOLIDAY INN, HARARE 28 TH SEPTEMBER 2015

Rain Water Harvesting and Irrigation Methods in use in Smallholder Farming Areas. What is the role of Department of Irrigation in facilitating scaling up? Soneni Eulodia Nyamangara Department of Irrigation

Presentation Outline Introduction Rainwater harvesting & irrigation Rainwater harvesting methods Irrigation Methods in use in the smallholder sector Government’s role Role of DOI in facilitating scaling up Conclusion

introduction A rainwater harvesting system consists of three basic elements: a collection area, a conveyance system, and storage facilities. Rainwater harvesting is much broader and includes roof catchments, storing water in ponds, tanks, reservoirs, small dams and in situ such as terraces. One of the benefits of rainwater harvesting is that you can irrigate and achieve household food security.

Rainwater harvesting Rainwater is harvested using various means, among them: Roof tops Rock outcrops Storm water drains Direct into a water reservoir From catchment into rivers & dams

rainwater harvesting from a rock ouctcrop: zvishavane

Small Dam

Meandering contours

Irrigation methods in use in smallholder farming areas Bucket Hose pipe Sprinkler (semi-portable system, drag-hose) Flood Drip (drip kits)

Water abstraction Manual pumping (eg treadle pump) Fuel (diesel, petrol) pumps Solar pumping Electricity

Sprinkler Irrigation

Draghose sprinkler irrigation

Surface/flood irrigation

Drip irrigation

Treadle pump

Department of irrigation Mandate: Irrigation planning and design Irrigation construction Operation, maintenance & management of irrigation schemes Irrigation equipment testing, research and training Provision of irrigation engineering, advisory, & regulatory services

Role of department of irrigation in facilitating scaling up Planning & design of rainwater harvesting structures and irrigation systems Technology demonstration Promotion Training Advisory services

THE END THANK YOU!