Deep pipe irrigation (if they aren't already using it). http://permaculturenews.org/2014/04/24/get-started-efficient-irrigation-systems/ http://permaculturenew

Deep pipe irrigation (if they aren't already using it). http://permaculturenews.org/2014/04/24/get-started-efficient-irrigation-systems/ http://permaculturenews.org/2014/04/24/get-started-efficient...