The author describes how the investment in modernization, focused on automation of large unlined, gravity fed irrigation systems has resulted in increases in efficiency of the system from about 70% to 90% in Victoria, Australia.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/improving-irrigation-system-performance-through-modernization
[2] http://admin.indiaenvironmentportal.org.in/category/author/geoff-spencer
[3] http://admin.indiaenvironmentportal.org.in/category/journal/water-energy-international
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/irrigation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-management