Irrigation Update 10 2009-06-01T07:13:06Z 2009-07-13T00:49:29Z Irrigation Update 10 Modernisation of Irrigation Water Delivery Systems National Program for Sustainable Irrigation National Program for Sustainable Irrigation This issue discusses the opportunities and challenges of upgrading irrigation water delivery infrastructure across Australia. PN30125 PN30125 Number 10 1449-0250