Turn off your irrigation system - A water conservation challenge.(a very interesting article http://valleycresttakeson.com/watermanagement/resou... Published on December 11, 2012 05:06 by pratham nayak, Greenrev - ManagerTurn off your irrigation system - A water conservation challenge.(a very interesting article http://valleycresttakeson.com/watermanagement/resources/turn-off-your-irrigation-system-take-the-challenge/