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| Characteristics of precipitation changes in Zhaoyuan from 1981 to 2024 and their impact on the cultivation of Red Fuji apples |
| Zhang Juan, Bing Bing |
| Zhaoyuan Meteorological Bureau,Zhaoyuan 265400 |
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Abstract The article uses precipitation data from the Zhaoyuan National Meteorological Station from 1981 to 2024,and employs methods such as linear regression,climate tendency rate,and M-K test to explore the characteristics of precipitation changes in the area,in order to provide scientific reference for the development of the Red Fuji apple industry.Research shows that there is a significant increase in precipitation from 1981 to 2024,and it will enter a rainy period in 2020.In recent years,there has been an increasing trend in the frequency of extreme precipitation.Precipitation is mainly concentrated in July and August.The number of annual precipitation days shows an increasing trend and is unevenly distributed,with significant fluctuations after 2016.In 2017,the number of rainy days was the lowest,and there was a sudden turn from drought to flood.The distribution of rainstorm and heavy rainstorm is extreme.The impact of rainfall on Yantai Red Fuji apple is multifaceted,and the adverse effects of rainstorm and continuous rain are the most significant.
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Received: 07 July 2025
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2026, Vol. 43 
