Abstract:

To identify the distribution patterns and variation characteristics of climate resources during the growing season of figs, which is a distinctive fruit of Kezhou, and to provide a theoretical basis for the rational utilization of climate resources in agricultural production, daily meteorological data of the Atush Station in Kezhou from 1981 to 2023 were utilized. Methods such as univariate linear regression equation, Mann-Kendall mutation test, and wavelet analysis were employed to analyze the variation characteristics of climate resources during the fig growing season (April to September) in Atush. Additionally, the spatial distribution patterns were analyzed in conjunction with topography. The results indicated that over the past 43 years, the temperature during the growing season in Atush had shown a mild upward trend, with a significant mutation occurring in 1997, and oscillation cycles of 3, 8 and 30 years. The overall trend of precipitation was also increasing, with a mutation in 1997 and oscillation cycles of 2, 5, 8 and 30 years. Sunshine duration was significantly influenced by topography, showing a decreasing trend over the past 43 years, with notable mutations in 1996 and 2012, and oscillation cycles of 2, 5 and 20 years. Based on the local climate resources and their spatiotemporal distribution patterns, it is concluded that Atush is suitable for developing distinctive fruits, particularly in areas near river valleys. However, factors such as soil conditions, diurnal temperature variations, and meteorological disasters like strong winds, heavy rain, low-temperature frost damages, and high temperatures have certain impacts on fig growth. Corresponding defensive measures are proposed.

Key words: Atushi, fig growing season, heat resources, water resources, light resources, meteorological disasters and countermeasures