Journal of Researches in Mechanics of Agricultural Machinery

Journal of Researches in Mechanics of Agricultural Machinery

Sugarcane Yield Prediction through Integrated Satellite Sentinel-2 Indices and Management Features using Ensemble Machine Learning Algorithms

Document Type : Research Paper

Authors
1 MSc., Biosystems engineering Dept., Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 Associate professor, Biosystems engineering Dept., Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, Iran
Abstract
Accurate prediction of sugarcane yield plays a crucial role in improving farm management and supply chain sustainability. In this research, a precise framework for predicting sugarcane yield in the Dakht-e-Dehkhoda Sugarcane Agro-Industry (Khuzestan Province) has been presented, based on the combination of satellite data and agricultural information. The data used included 2417 records from the agricultural years 1396 to 1403, gathered from farm management records and Sentinel-2 satellite imagery, including standard vegetation indices such as NDVI and EVI. In the first step, farms were categorized into four distinct groups using the K-means clustering algorithm, based on their management and yield characteristics. Subsequently, to enhance model accuracy, engineered features like water use efficiency and fertilizer use efficiency were defined. Following this, two machine learning models of the Random Forest and Gradient Boosting types were trained for yield prediction. Model evaluation was performed by allocating 80% of the data for training and the remaining 20% to an independent test set. To ensure model stability and generalizability, 5-fold cross-validation was employed during the training phase. The results indicated that the Gradient Boosting model achieved the best performance, reaching a coefficient of determination of 0.9924 and a root mean square error of 1.88 tons per hectare. Furthermore, feature importance analysis revealed that water use efficiency, with a share of 87%, was the most effective factor in yield prediction. In conclusion, the findings of this research confirm that combining management data with satellite information and employing feature engineering can serve as a precise tool to support spatial decision-making and resource management in precision agriculture.
Keywords
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