The problem of water shortage in arid and semi-arid regions is one of low rainfall and uneven distribution throughout the season, which makes rain fed agriculture a risky enterprise. Therefore new interest came up in recent decades to evaluate traditional water management techniques most of them being simple sure to implement and of low capital investment. The classical References of irrigation water are often at the break of overuse and therefore untapped sources of (irrigation) water have to be sought for increasing agricultural productivity and
providing sustained economic base. Water harvesting for dry- land agriculture is a traditional water management technology to ease future water scarcity in many arid and semi-arid regions of world. Historically, harvested rain water provided water for drinking, landscape watering,
and for agricultural uses.
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