1. Richard Soppe, John Hornbuckle, Janelle Montgomery 26 th June 2012 CSIRO LAND AND WATER/SUSTAINABLE AGRICULTURE FLAGSHIP Cotton water productivity in the Gwydir, NSW

2. Results: Cotton yield and remote sensing based crop water use 2 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

3. Cotton is widely grown in the northern Murray Darling Basin (Gwydir, Namoi, Border Rivers catchments) and cultivated area is expanding in the Lachlan-Murrumbidgee catchments Background 3 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

4. Different irrigation systems are used Background 4 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

5. Different row configurations are used Solid Single skip Double skip Rainfall risk management adaption Background 5 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

6. FAOSTAT-yield (seed cotton) – selected countries 2010 season Background 6 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery Seed cotton yield (metric tons/ha)

7. Remote sensing based monitoring NDVI – water use relation Season 2010-2011 One question at the start of the season: Can remote sensing determine the different row configurations? Method to determine ET-cotton 7 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

8. Method to determine ET-cotton 8 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery Water storage Solid Skip rows

9. Method to determine ET-cotton 9 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery Irrigation management effect

10. Method to determine ET-cotton 10 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

11. Method to determine ET-cotton 11 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery Irrigation management effect

12. Remote Sensing Images 17-Feb-2012 24-Feb-2012 12-Mar-201220-Mar-2012 40 km

13. Remote Sensing Images 17-Feb-2012 20 km

14. Results: Cotton yield and remote sensing based crop water use 14 | Cotton water productivity in the Gwydir, NSW| Richard Soppe, John Hornbuckle, Janelle Montgomery

15. CSIRO LAND AND WATER/SUSTAINABLE AGRICULTURE FLAGSHIP Thank you CSIRO Land & Water Dr Richard Soppe t+61 2 6960 1595 erichard.soppe@csiro.au wwww.csiro.au