Correlation Analysis of Tea Yield and Meteorological Factors in Ya'an City from 2013 to 2023
DOI:
https://doi.org/10.54097/swrctc56Keywords:
Tea yield, Meteorological factors, Pearson correlation analysis, Ya'an City.Abstract
Ya'an City is an important ecological tea region in China, and tea production is significantly influenced by meteorological factors such as rainfall, temperature, and air humidity. To explore the impact of meteorological factors on the changes in tea yield in Ya'an City, based on the tea yield and meteorological data including rainfall, average temperature, and relative humidity in Ya'an from 2013 to 2023, the Pearson correlation analysis method was used to analyze the relationship between different meteorological factors and tea yield. The results showed that tea yield was positively correlated with annual rainfall, with a correlation coefficient of 0.556; the correlation coefficient with spring rainfall was 0.507; the correlation coefficient with summer average temperature was 0.457; industrial yield was negatively correlated with annual average humidity, with a correlation coefficient of -0.360; and it was also negatively correlated with spring humidity, with a correlation coefficient of -0.470. Therefore, rainfall has a high correlation with tea yield and is one of the important meteorological factors affecting the changes in tea yield in Ya'an City; temperature comes second, while humidity shows a relatively weak negative correlation. The results of this study are expected to provide a reference for water regulation in tea gardens, prevention of extreme weather, and climate-adaptive management of the tea industry in Ya'an City.
Downloads
References
[1] Sichuan Provincial Bureau of Statistics. Sichuan Statistical Yearbook [M]. Beijing: China Statistics Press, 2024.
[2] Lou W, Sun K, Zhao Y, et al. Impact of climate change on inter-annual variation in tea plant output in Zhejiang, China [J]. International Journal of Climatology, 2021, 41(S1): E479-E490. DOI: https://doi.org/10.1002/joc.6700
[3] The Central Committee of the Communist Party of China and the State Council Issued the "Planning for Comprehensive Rural Revitalization (2024–2027)" [N]. Workers' Daily, 2025-01-23.
[4] The Central Committee of the Communist Party of China, State Council. Opinions on Comprehensively Promoting Rural Revitalization and Accelerating Agricultural and Rural Modernization [N]. People's Daily, 2021-02-22.
[5] Mingshan: "Three-Tea" Integration Composes a New Chapter, Regional Cooperation Displays a New Look [N]. Sichuan Daily, 2024-07-25.
[6] Ministry of Agriculture and Rural Affairs, State Administration for Market Regulation, All-China Federation of Supply and Marketing Cooperatives. Guiding Opinions on Promoting the Healthy Development of the Tea Industry [N]. Bulletin of the Ministry of Agriculture and Rural Affairs of the People's Republic of China, 2021(10): 19-22.
[7] BENTI T, DEBELA A, BEKELE Y, et al. Effect of seasonal variation on yield and leaf quality of tea clone (Camellia sinensis (L.) O. Kuntze) in South West Ethiopia [J]. Heliyon, 2023, 9(3): e14051. DOI: https://doi.org/10.1016/j.heliyon.2023.e14051
[8] CARR M K V. The role of water in the growth of the tea (Camellia sinensis) crop: A synthesis of research in Eastern Africa. 2. Water productivity [J]. Experimental Agriculture, 2010, 46(3): 351-379. DOI: https://doi.org/10.1017/S0014479710000281
[9] Zhao Hui, Mi Hongtao, Du Zhixuan, et al. Study on Suitable Planting Climatic Zoning of Tea Plants in Henan Province [J]. Journal of Tea Science, 2016, 36(3): 285-294.
[10] AHMED S, STEPP J R, ORIANS C, et al. Effects of extreme climate events on tea (Camellia sinensis) functional quality validate indigenous farmer knowledge and sensory preferences in tropical China [J]. PLoS ONE, 2014, 9(10): e109126. DOI: https://doi.org/10.1371/journal.pone.0109126
[11] JAYASINGHE S L, KUMAR L. Potential impact of the current and future climate on the yield, quality, and climate suitability for tea (Camellia sinensis (L.) O. Kuntze): a systematic review [J]. Agronomy, 2021, 11(4): 619. DOI: https://doi.org/10.3390/agronomy11040619
[12] Ju Yingqin, Chen Cheng, Cheng Dingfang, et al. Analysis of Meteorological Impacts on Growth, Development and Yield Elements of Ying shan Ming Cha [J]. Agricultural Science and Technology and Communication (China Agricultural Science Bulletin), 2023, 39(28): 83-91.
[13] Wu Quancong, Chen Fangjing, Lei Yonghong, et al. Analysis of Occurrence and Influencing Factors of Tea Blister Blight in Lishui City [J]. Journal of Tea Science, 2013, 33(2): 169-174.
[14] Chen Dongmei, Han Wenyan, Zhou Xianfeng, et al. Prediction of Tea Yield in Zhejiang Province Based on Adaptive Boosting BP Model [J]. Journal of Tea Science, 2021, 41(4): 564-576.
[15] Wang Weiming, Lin Dongyi, Hong Xiaoyan, et al. Construction of Tea Yield Model and Planting Management Based on Phenological Period Climate Factors [J]. Chinese Journal of Eco-Agriculture (Chinese and English), 2025, 33(11): 2245-2258.
[16] Xu Jianpeng, Wang Hui, Wu Qiong. Characteristics of Climate Resource Changes in Southern Anhui Tea Growing Season and Its Impact Analysis [J]. Guangdong Agricultural Sciences, 2021, 48(4): 14-22.
[17] Yu Hong, Wang Xianyun, Yang Xiaohui, et al. Study on the Relationship between Spring Tea Yield and Microclimate in Jigongshan Tea Garden, Henan [J]. Chinese Journal of Eco-Agriculture, 2009, 17(1): 94-99. DOI: https://doi.org/10.3724/SP.J.1011.2009.00094
[18] Ma Yuming, Chen Jie, Jin Zhifeng, Hao Lu. Forecasting of Tea Yield and Harvest Period Based on AquaCrop Model [J]. Chinese Journal of Eco-Agriculture (Chinese and English), 2021, 29(8): 1339-1349.
[19] Li Yan, Zhou Wei, Jin Zhifeng, et al. Climate-Land Integrated Suitability Zoning and Quality Evaluation of Small-leaf and Large-leaf Tea Plant Cultivation in Southern China Tea Region [J]. Journal of Applied Meteorological Science, 2026, 37(2): 183-195.
[20] Li Shirui, Wang Zhihai, Yang Zaiqiang, et al. Analysis of Tea Production Status and Climate Resource Characteristics in Southern China Tea Region [J]. Arid Meteorology, 2014, 32(6): 1007-1014.
[21] Zhou Wei, Li Yan, Chen Yanli, et al. Climate-Land Comprehensive Impact National Small and Medium-leaf and Large-leaf Tea Plant Cultivation Suitability Zoning [J]. Transactions of the Chinese Society of Agricultural Engineering, 2026, 42(10): 300-310.
[22] Zhang Wenjing, Liang Yurong, Zhang Fangzhou, et al. Effects of Shading on Yield and Quality of Oolong Tea [J]. Journal of Tea Science, 2004, 24(4): 276-282.
[23] Li Shasha. Early Tea Is Not "Early", Sichuan Tea Expands with "New" [N]. Sichuan Daily, 2025-03-19.
[24] Peng Yanxia. Ya'an Experienced 4 Rounds of High-Temperature Heat Waves and 6 Regional Rainstorms in July [N]. Ya'an Daily, 2026-08-05.
[25] Cao Lilixue. Production and Sales of Alpine Spring Tea Are Both Thriving [N]. Ya'an Daily, 2025-04-04.
[26] Anonymous. Sichuan Ya'an: Tea Picking Becomes Culture, Tea Hometown Turns into Scenic Spot [N]. Guangming Daily, 2025-09-08(05).
[27] Zhang Tianxing. More than 20,000 Mu of Tea Gardens in Mingshan District Realize Standardized Management and Protection, Unified Prevention and Control Empowers Science and Technology to Revitalize Tea and Improve Quality [N]. Ya'an Daily, 2026-08-27(03).
[28] Xiong Wei. Policy Empowerment, Ya'an Explores a New Model of Tea Garden Trusteeship to Solve the Management and Protection Difficulties of Smallholders [N]. Sichuan Daily, 2025-05-12(07).
[29] Yang Yu. Transforming Low-Yield and Low-Efficiency Tea Gardens, Ya'an Tea Base Transforms Toward Green Standardization [N]. Sichuan Daily, 2024-10-21(09).
[30] Gao Meilin. Sichuan Ya'an Tea Industry Bucked the Trend, Achieved Stable Production and Increased Income with Excellent Results [N]. Ya'an Daily, 2021-01-28.
Downloads
Published
Issue
Section
License
Copyright (c) 2026 Academic Journal of Science and Technology
This work is licensed under a Creative Commons Attribution 4.0 International License.
