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Abstract: A project funded by the Australian Sugar Research and Development Corporation aimed to increase sugarcane production through cost effective automated precision weed spraying. The project developed a precision imaging system that could be integrated with current spraying systems to specifically target difficult to control weeds such as guinea grass/green panic. The technology is capable of differentiating weeds from sugarcane in the row area and actuating a spray solenoid so that only the weeds are sprayed with herbicide in a single pass and with minimal over-spraying of the crop. The precision imaging and spot spraying technology demonstrated proof-of-concept and a cost benefit analysis of the new weed control system indicated potential grower savings. This paper will report on a review of appropriate technologies, description of the prototype sugarcane image analysis system and algorithms, assessment of accuracy of weed identification and an evaluation of system costs and performance.

To cite this article: Rees, SJ; McCarthy, CL; Artizzu, XPB; Baillie, CP and Dunn, MT. Development of a Prototype Precision Spot Spray System Using Image Analysis and Plant Identification Technology [online]. In: Agricultural Technologies In a Changing Climate: The 2009 CIGR International Symposium of the Australian Society for Engineering in Agriculture. Brisbane, Queensland: Engineers Australia, 2009: [343]-[349]. Availability: <http://search.informit.com.au/documentSummary;dn=641962740372785;res=IELENG> ISBN: 9780858259096. [cited 27 Aug 16].

Personal Author: Rees, SJ; McCarthy, CL; Artizzu, XPB; Baillie, CP; Dunn, MT; Source: In: Agricultural Technologies In a Changing Climate: The 2009 CIGR International Symposium of the Australian Society for Engineering in Agriculture. Brisbane, Queensland: Engineers Australia, 2009: [343]-[349]. Document Type: Conference Paper, Research ISBN: 9780858259096 Subject: Image analysis; Spraying and dusting in agriculture; Weeds--Control; Plants; Guidebooks; Agricultural innovations--Research; Affiliation: (1) National Centre for Engineering in Agriculture (NCEA), USQ, Toowoomba, QLD, Australia
(2) National Centre for Engineering in Agriculture (NCEA), USQ, Toowoomba, QLD, Australia
(3) National Centre for Engineering in Agriculture (NCEA), USQ, Toowoomba, QLD, Australia, and Spanish Council for Scientific Research (CSIC) (Visiting Academic Researcher), Madrid, Spain
(4) National Centre for Engineering in Agriculture (NCEA), USQ, Toowoomba, QLD, Australia
(5) CSIRO Exploration and Mining Group, Brisbane, QLD, Australia

Database: Engineering Collection