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Rice yield prediction model using normalized vegetation and water indices from Sentinel-2A satellite imagery datasets

Author

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  • Aung Myint Htun

    (University of Tsukuba
    Agricultural Mechanization Department, Ministry of Agriculture, Livestock and Irrigation)

  • Md. Shamsuzzoha

    (University of Tsukuba
    Patuakhali Science and Technology University)

  • Tofael Ahamed

    (University of Tsukuba)

Abstract

Yield predictions prior to harvesting crops is significant for agricultural decision-making. This study aimed to predict rice yield at the stage prior to harvesting using crops and soil phenological properties in the Pathein District of Myanmar. Remote sensing imagery data derived from Sentinel-2A satellite imageries during the month of November at the stage prior to harvest of rice fields were collected and analyzed from 2016 to 2021. Four vegetation indices (VIs): (i) normalized difference vegetation index (NDVI), (ii) normalized difference water index (NDWI), (iii) soil-adjusted vegetation index (SAVI), and (iv) rice growth vegetation index (RGVI) were specified as independent variables for a rice yield prediction model, after which simple and multiple linear regression models were estimated and validated. The accuracy of the estimated models was assessed using observed data from 1790 ground reference points (GRPs) in rice-yielding croplands. The average observed rice yield over 6 years was 1.57 tons per acre, and the average rice yield predictions over 6 years were 1.28, 1.48, 1.28, and 1.17 per acre with simple linear regression models from NDVI, NDWI, SAVI and RGVI, respectively. On the other hand, THE observed rice yield was 1.49 tons per acre with a multiple regression model. This indicates that prediction by the multiple regression model with four vegetation indices is superior to predictions by all other linear regression models. The early predicted yield data is useful for rice-growing farmers to compare expenses against losses after any extreme climatic event.

Suggested Citation

  • Aung Myint Htun & Md. Shamsuzzoha & Tofael Ahamed, 2023. "Rice yield prediction model using normalized vegetation and water indices from Sentinel-2A satellite imagery datasets," Asia-Pacific Journal of Regional Science, Springer, vol. 7(2), pages 491-519, June.
    • Handle: RePEc:spr:apjors:v:7:y:2023:i:2:d:10.1007_s41685-023-00299-2
    DOI: 10.1007/s41685-023-00299-2
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    References listed on IDEAS

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    1. Nazia Muhsin & Tofael Ahamed & Ryozo Noguchi, 2018. "GIS-based multi-criteria analysis modeling used to locate suitable sites for industries in suburban areas in Bangladesh to ensure the sustainability of agricultural lands," Asia-Pacific Journal of Regional Science, Springer, vol. 2(1), pages 35-64, April.
    2. Soe Paing Oo, 2020. "Farmers’ Awareness of the Low Yield of Conventional Rice Production in Ayeyarwady Region, Myanmar: A Case Study of Myaungmya District," Agriculture, MDPI, vol. 10(1), pages 1-15, January.
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    Cited by:

    1. Tofael Ahamed, 2023. "Special issue on the assessment of climate change impacts on regional economics in South Asia," Asia-Pacific Journal of Regional Science, Springer, vol. 7(2), pages 323-328, June.

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