As a non-professional in this subject matter I have been searching the web for a long time for fog and dew catchment devices and ideas for dry regions. Yesterday I found a site showing plastic (PET) netting being raised above ground to capture fog moisture as a drip system that is being used in various dry regions of the world for water collection so that people don't have to haul water from a dirty river up a mountain. Mention was also made that such water catchment devices could also be used and fashioned as a water source for gardens. It also explained how or why earlier attempts had limited feasibility.
Link:
http://www.trueactivist.com/how-to-get-fresh-water-out-of-thin-air/ 
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