1.4 Unlocking the potential in spate irrigation.

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1.4 Unlocking the potential in spate irrigation

Agricultural production - 1  New crops – biofuels, oil seeds, legumes, cucurbits, medicinal plants/ herbs  New varieties and exchange of varieties  Improved crop husbandry – seed treatment, weed control, target use of agri-inputs, etc  Market chains for main crops – capture changing market  Market chains for minor crops – mushroom, guar  Improved grain storage  Research and documentation

Crop yields often vary with factor 3-5 Indicating scope for improvement of crop production with agronomic and field water management improvements

Improved grain storage Detached from the wall Detached from the floor Opening to take grains

Agricultural production - 2  Improved soil moisture management  Pre irrigation planting  Promote burrowing rodents, crusteans and insects  Improved field overflow structures  Ploughing, mulching, field bunding  Rules on maintaining field bunds  Water distribution to allow second turns – keeping command area compact

Non - agricultural production  Improved livestock production  Restocking  Paravet services  Improved breeds (exchange)  Range land improvement  Improved agroforestry  Spate agroforestry  Uprooting invasive species  Improved marketing of non timber products  Selective tree cutting bans

Forest plantation in DI Khan (year 1) Slope towards plants

Kitara traditional production system: Documentation in Riman Village  Dripping black fluid flows on Concrete floar and is collected in a hole (traditional)  Dripping black fluid is collected through a pipe into a container with a cloth filter on top (improved traditional)

Improved livelihoods  Drinking water improvements  Improved drinking water ponds  Sand dams  Wells in dry rivers  Managed artificial recharge through low weirs, subsurface dams and water spreading  Water distribution tailored to groundwater recharge  Protection measures  Village flood protection  River bank protection  Dune stabilization  Eradication of malaria and tryposonamis

LOW RECHARGE WEIR TO SLOW DOWN AND SPREAD FLOODS

Banana plantation (Yemen) failed because of ingression of saline water Yet overuse occurs

Hand Pump Sand Filter Filter of graded layers of sand

The downsteam apron should be long and deep enough to withstand the upstream formation of gullies Important to survey channel bed downstream and check for gullies SOME HINTS

Improved governance - 1 Wadi management at basin or subbasin level  Upstream/ downstream use  Maintain river morphology  Groundwater recharge  Flood management  Catchment management and dune stabilization  Biodiversity and natural vegetation (and control invasive species)

 Different source of income: annual fees, fines, penalties Fee collection system is well- organized

Improved governance - 2 Secure land tenure and safeguarding of water rules  Land registration  Codification  Strengthen local organization for rules enforcement