Techniques to make better use of water in semi-arid zones

The water harvesting techniques presented below have been validated in semi-arid areas deserving of development support. They are:1) four development techniques for water harvesting: underground dams artisanal hill lakes rice swamp areas and terraced irrigated plots; 2) three water mobilisation techniques: manual drilling the 'semi-Californian' system and the siphon;3) two adapted artisanal tools: the water level and the manual auger;4) three other proposals: Maralfalfa irrigated fodder floodplain crops and plate cisterns.