Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5

Climate change has an effect human living in a variety of ways, such as health and food security. This study presents a prediction of crop yields and production risks during the years 2020–2029 in northern Thailand using the coupling of a 1 km resolution regional climate model, which is downscaled u...

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Main Authors: Teerachai Amnuaylojaroen, Pavinee Chanvichit, Radshadaporn Janta, Vanisa Surapipith
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Agriculture
Subjects:
Online Access:https://www.mdpi.com/2077-0472/11/1/23
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author Teerachai Amnuaylojaroen
Pavinee Chanvichit
Radshadaporn Janta
Vanisa Surapipith
author_facet Teerachai Amnuaylojaroen
Pavinee Chanvichit
Radshadaporn Janta
Vanisa Surapipith
author_sort Teerachai Amnuaylojaroen
collection DOAJ
description Climate change has an effect human living in a variety of ways, such as health and food security. This study presents a prediction of crop yields and production risks during the years 2020–2029 in northern Thailand using the coupling of a 1 km resolution regional climate model, which is downscaled using a conservative remapping method, and the Decision Support System for the Transfer of Agrotechnology (DSSAT) modeling system. The accuracy of the climate and agricultural model was appropriate compared with the observations, with an Index of Agreement (IOA) in the range of 0.65–0.89. The results reveal the negative effects of climate change on rice and maize production in northern Thailand. We show that, in northern Thailand, rainfed rice and maize production may be reduced by 5% for rice and 4% for maize. Moreover, rice and maize production risk analysis showed that maize production is at a high risk of low production, while rice production is at a low risk. Additional irrigation, crop diversification, the selection of appropriate planting dates and methods of conservation are promising adaptation strategies in northern Thailand that may improve crop production.
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spelling doaj.art-8e98d393debd4541b9fc65f2f0c85bf82023-11-21T07:39:46ZengMDPI AGAgriculture2077-04722021-01-011112310.3390/agriculture11010023Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5Teerachai Amnuaylojaroen0Pavinee Chanvichit1Radshadaporn Janta2Vanisa Surapipith3Atmospheric Pollution and Climate Change Research Units, School of Energy and Environment, University of Phayao, Phayao 56000, ThailandSchool of Agriculture and Natural Resources, University of Phayao, Phayao 56000, ThailandNational Astronomical Research Institute of Thailand, Chiang Mai 53000, ThailandNational Astronomical Research Institute of Thailand, Chiang Mai 53000, ThailandClimate change has an effect human living in a variety of ways, such as health and food security. This study presents a prediction of crop yields and production risks during the years 2020–2029 in northern Thailand using the coupling of a 1 km resolution regional climate model, which is downscaled using a conservative remapping method, and the Decision Support System for the Transfer of Agrotechnology (DSSAT) modeling system. The accuracy of the climate and agricultural model was appropriate compared with the observations, with an Index of Agreement (IOA) in the range of 0.65–0.89. The results reveal the negative effects of climate change on rice and maize production in northern Thailand. We show that, in northern Thailand, rainfed rice and maize production may be reduced by 5% for rice and 4% for maize. Moreover, rice and maize production risk analysis showed that maize production is at a high risk of low production, while rice production is at a low risk. Additional irrigation, crop diversification, the selection of appropriate planting dates and methods of conservation are promising adaptation strategies in northern Thailand that may improve crop production.https://www.mdpi.com/2077-0472/11/1/23future rice productionfuture maize productionclimate changeagricultureThailand
spellingShingle Teerachai Amnuaylojaroen
Pavinee Chanvichit
Radshadaporn Janta
Vanisa Surapipith
Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
Agriculture
future rice production
future maize production
climate change
agriculture
Thailand
title Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
title_full Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
title_fullStr Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
title_full_unstemmed Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
title_short Projection of Rice and Maize Productions in Northern Thailand under Climate Change Scenario RCP8.5
title_sort projection of rice and maize productions in northern thailand under climate change scenario rcp8 5
topic future rice production
future maize production
climate change
agriculture
Thailand
url https://www.mdpi.com/2077-0472/11/1/23
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