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- Title
Spatiotemporal Hybrid Random Forest Model for Tea Yield Prediction Using Satellite-Derived Variables.
- Authors
Jui, S Janifer Jabin; Ahmed, A. A. Masrur; Bose, Aditi; Raj, Nawin; Sharma, Ekta; Soar, Jeffrey; Chowdhury, Md Wasique Islam
- Abstract
Crop yield forecasting is critical for enhancing food security and ensuring an appropriate food supply. It is critical to complete this activity with high precision at the regional and national levels to facilitate speedy decision-making. Tea is a big cash crop that contributes significantly to economic development, with a market of USD 200 billion in 2020 that is expected to reach over USD 318 billion by 2025. As a developing country, Bangladesh can be a greater part of this industry and increase its exports through its tea yield and production with favorable climatic features and land quality. Regrettably, the tea yield in Bangladesh has not increased significantly since 2008 like many other countries, despite having suitable climatic and land conditions, which is why quantifying the yield is imperative. This study developed a novel spatiotemporal hybrid DRS–RF model with a dragonfly optimization (DR) algorithm and support vector regression (S) as a feature selection approach. This study used satellite-derived hydro-meteorological variables between 1981 and 2020 from twenty stations across Bangladesh to address the spatiotemporal dependency of the predictor variables for the tea yield (Y). The results illustrated that the proposed DRS–RF hybrid model improved tea yield forecasting over other standalone machine learning approaches, with the least relative error value (11%). This study indicates that integrating the random forest model with the dragonfly algorithm and SVR-based feature selection improves prediction performance. This hybrid approach can help combat food risk and management for other countries.
- Subjects
BANGLADESH; RANDOM forest algorithms; TEA growing; TEA; FEATURE selection; AGRICULTURAL forecasts; CROP yields; MACHINE learning
- Publication
Remote Sensing, 2022, Vol 14, Issue 3, p805
- ISSN
2072-4292
- Publication type
Article
- DOI
10.3390/rs14030805