Using the 'OWL' for weed management
01 Jun 2022
North West Local Land Services is working on a low cost spot sprayer originally developed Sydney University. Using low cost readily available components the unit uses software to detect green plant material in fallow paddocks (green on brown) which in turn triggers the appropriate spray nozzle.
The unit has been named the 'OWL' or Open Weed Locator reflecting the fact that the university has made the technology available to everyone and potentially could be used not just for spray booms but for other weed control options such as hydraulically controlled tynes.
Increasing herbicide resistance means that all potential tools to decrease weed numbers need to be considered and the OWL project could provide a route to lower cost spot sprayers that may be suitable for smaller growers. It is hoped that ongoing development will eventually result in higher operation speeds and development of a 'green on green' model which can detect weeds within a growing crop.
The components for the detection units cost around $450 with one being required for every metre of boom. After that the additional costs include boom construction and individual solenoids for each nozzle. A number of algorithms were tested initially and the final software is available for all on the OWL website. So far detection accuracy has been good although some discoloured weeds and very small weeds with narrow leaves may be missed.
The OWL website also provides instructions on building the units, plans to enable 3D printing of the housing boxes and discussion forum for users.
Further information can be found at https://github.com/geezacoleman/OpenWeedLocator
Higher temperatures and good moisture will result in germinations of summer weeds in fallows across the north west.These weeds dep...
Key PointsFour out of six farming systems studied produced similar total grain production.Two systems, the baseline system (simila...
Waratah Project Community Consultation
Local Land Services is actively managing more than 6,000 hectares of high biodiversity land spread across sites at Breez...View event
Equiculture – grazing management for horse owners
Attention horse owners and enthusiasts!We are bringing Stuart Myers from Equiculture to present at a workshop that will ...View event
Livestock Nutrition Workshop (Warialda)
Local Land Services invites interested producers to attend Livestock Nutrition Workshops, presented by Jillian Kelly fro...View event
While dry times come and go, nothing can fully prepare farmers for drought. Over the last few years, parts of NSW ha...
BackgroundThe Digifarm Project is funded through the Australian Government Smarter Farming Partnerships Program whic...