Impacts of seasonal climate variation on rice yield: Evidence from the Central Coast of Vietnam

Phuong Thi Minh Nguyen, Phuc Trong Ho and Hung Xuan Pham

Cogent Economics & Finance, 2024, vol. 12, issue 1, 2421894

Abstract: This study investigates the impact of seasonal climate change on rice productivity in Vietnam’s Central Coast, using 26 years of data from 1996 to 2021. To achieve this objective, the study applies a Feasible Generalized Least Squares (FGLS) model to obtain robust estimates for the panel analysis. The findings reveal the consequences of climate variation on rice productivity throughout different seasons. Notably, increases in maximum temperature during the winter–spring season and minimum temperature during the summer–autumn season boost rice yields, while higher maximum temperatures in summer–autumn and minimum temperatures in winter–spring reduce yields. Specifically, a 1% increase in maximum temperature improves winter–spring yields by 1.66% but reduces summer–autumn yields by 1.01%, while a 1% rise in minimum temperature decreases winter–spring yields by 0.30% but enhances summer–autumn yields by 3.32%. In addition, increases in both maximum and minimum relative humidity positively impact yields. The study also finds that a 1% increase in maximum precipitation slightly reduces summer–autumn yields. These findings provide important insights for developing strategies to improve the resilience of rice production to climate change.This study aims to provide reliable scientific evidence on the impacts of seasonal climate change on rice productivity over an extended period of time in the Central Coast of Vietnam. Its findings can assist policymakers in proposing climate-adaptive farming measures to mitigate adverse effects on rice production and may also serve as a reference for regions with similar climates in other rice-producing countries.

Date: 2024
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DOI: 10.1080/23322039.2024.2421894

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