河南“三秋”气候晴雨表出来了 豫北降水偏多需警惕 小麦播种略推迟

Core Viewpoint - The weather patterns in Henan province this year show a significant contrast between a dry and hot main flood season and a rainy September, impacting the agricultural schedule for the "Three Autumns" period [1] Weather Trends - The main flood season from June to August experienced a 20% decrease in average rainfall compared to the historical average, with the highest average temperature recorded since 1961 [1] - In September, there have been five significant rainfall events, with average precipitation breaking records since 1961 [1] Regional Rainfall Distribution - During the "Three Autumns" period, northern Henan (including Anyang, Hebi, and Puyang) is expected to see rainfall 20% to 50% above the historical average, while areas like Zhumadian and Xinyang may experience a 20% decrease [1] - The temperature in southeastern Henan is projected to be 1°C to 1.5°C higher than normal, with other regions being 0°C to 1°C above average [1] Key Rainfall Events - Rainfall is expected from September 22 to 23, with moderate to heavy rain in northern areas, followed by a clear period from September 24 to 25, and more rain from September 26 to 28 [1] Crop Maturity and Harvesting - The maturity period for summer corn is from September 15 to October 10, with specific dates varying by region [1] - The optimal harvesting period for peanuts is from September 22 to October 13, with recommendations for timely harvesting and drying [1] Wheat Planting Schedule - The suitable planting period for winter wheat is slightly delayed compared to historical norms, with specific dates for different regions outlined [1] - Areas with excessive rainfall need to prepare the soil in advance to avoid wet conditions during planting [1]