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Title: 'Sugar from Space': Using Satellite Imagery to Predict Cane Yield and Variability
Contributor(s): Muir, Jasmine  (author)orcid ; Robson, Andrew  (author)orcid ; Rahman, M M  (author)orcid 
Publication Date: 2018
Open Access: Yes
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Abstract: Satellite imagery has been demonstrated to be an effective technology for producing accurate pre-harvest estimates in many agricultural crops. For Australian sugarcane, yield forecasting models have been developed from a single date SPOT satellite image acquired around peak crop growth. However, a failure to acquire a SPOT image at this critical growth stage, from continued cloud cover or from competition for the satellite, can prevent an image being captured and therefore a forecast being made for that season. In order to reduce the reliance on a single image capture and to improve the accuracies of the forecasts themselves, time series yield prediction models have been developed for eight sugarcane growing regions using multiple years of free Landsat satellite images. In addition to the forecasting of average regional yield, an automated computational and programming procedure enabling the derivation of crop vigour variability (GNDVI) maps from the freely available Sentinel 2 satellite imagery was developed. These maps, produced for 15 sugarcane growing regions during the 2017 growing season, identify both variations in crop vigour across regions and within every individual crop. These outputs were made available to collaborating mills within each growing region. This paper presents the accuracies achieved from the time series yield forecasting models versus actual 2017 yields for the respective regions, as well as provides an example of the derived mapping outputs.
Publication Type: Conference Publication
Conference Name: 40th ASSCT Conference
Conference Details: 40th ASSCT Conference, Mackay, Australia, Mackay, Australia, 17th - 20th April, 2018
Source of Publication: 40th Conference of the Australian Society of Sugar Cane Technologists (ASSCT 2018), p. 33-40
Publisher: Australian Society of Sugar Cane Technologists
Place of Publication: Mackay, Australia
Field of Research (FOR): 070104 Agricultural Spatial Analysis and Modelling
070101 Agricultural Land Management
070108 Sustainable Agricultural Development
Socio-Economic Outcome Codes: 820603 Sugar Cane (Cut for Crushing)
820304 Sugar
829805 Management of Water Consumption by Plant Production
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
Appears in Collections:Conference Publication
School of Science and Technology

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