#$%^&*AU2016202365B220170928.pdf#####H: sh Intrwovn NRPortb DCC SEH 9988583_I.docx-14/04/2016 Abstract A subsurface retention barrier system installed in situ to retain water in a projected root zone of one or more plants is disclosed. An apparatus and system for installing the subsurface retention barriers and method related thereto are also disclosed.10/16 0 0 -o