2023年秋季气象条件对农业生产的影响

Impact Report of Meteorological Conditions on Agricultural Production in Autumn 2023

2023年秋季(9-11月),全国平均气温11.1℃,为1961年以来同期最高;全国平均降水量123mm,较常年同期偏少4.5%;全国平均日照时数592.7h,接近常年同期。全国大部农区秋季光热条件较好,东北地区初霜期较常年偏晚,南方晚稻区未出现大范围寒露风天气,气象条件总体利于秋收作物灌浆成熟、收晒和秋播,秋收秋种总体进展顺利。河南、陕西和湖北等地阴雨湿涝严重,秋收秋种进度偏慢。

In the autumn of 2023(September-November),the national average temperature was 11.1℃,which was the highest in the same period since 1961.The national average precipitation was 123mm,which was 4.5%less than the same period in the normal years.The national average sunshine duration was 592.7h,closing to the same period of the normal years.The sunshine and temperature in most agricultural regions of China were suitable in autumn.The early frost period in Northeast China occurred later than the normal years.There was no large-scale cold and dew wind in the late rice region of South China.The meteorological conditions were generally favorable for the grain-filling,maturing,harvesting,drying and autumn sowing of autumn harvest crops.The harvesting and sowing in autumn generally progressed smoothly.However,the severe rain and waterlogging in Henan,Shaanxi,Hubei and other regions led to slower progresses in the harvesting and sowing in autumn.