“瑞雪”缘何“兆丰年”（文化中国行·二十四节气二十四问）

Core Viewpoint - The article discusses the significance of the "Light Snow" solar term, emphasizing its role in agriculture and the natural environment, particularly how timely and adequate snowfall can lead to a bountiful harvest in the following year [4][5][6]. Summary by Relevant Sections Significance of "Light Snow" - "Light Snow" is the 20th solar term in the 24 solar terms, marking the second solar term of winter, starting on November 22, 2025 [2]. - Snow is often seen as a symbol of purity and romance, with historical references to snowflakes as "six-pointed flying flowers" [3]. Climate and Agricultural Impact - During the "Light Snow" period, the climate becomes colder with increasing precipitation, creating favorable conditions for snowfall [4]. - The phrase "A timely snow promises a good harvest" reflects ancient agricultural wisdom, indicating the relationship between snowfall and crop yield [4]. Characteristics of Beneficial Snow - "Beneficial snow" is defined by its timing and quantity, occurring from the "Light Snow" solar term until the beginning of spring [4]. - Adequate snowfall can protect winter crops from frost damage and provide moisture to the soil, supporting crop growth [5][6]. Scientific Correlation - Modern meteorology and agricultural science have identified connections between winter snow and good harvests, such as snow providing insulation for crops and enriching the soil with nitrogen during melting [5]. - Snow can also help control pests and diseases, as the sudden temperature drop during melting can kill dormant pests and pathogens [6]. Ecological Balance - The occurrence of suitable snowfall aligns with natural rhythms, indicating stable winter weather and even precipitation distribution, which benefits spring planting [6]. - The article concludes by highlighting the harmony between human agricultural practices and natural cycles, suggesting that experiencing a "beneficial snow" can evoke a sense of hope for future harvests [6].