In the face of the drought since the beginning of winter, the Jiangsu Provincial Party Committee and the provincial government attached great importance to the rapid response of the drought-stricken areas, and adopted various measures such as irrigation and watering, suppression and protection, effectively alleviating the drought. The current drought area has been reduced from 13 million mu to 6 million mu, the severely affected area has been reduced from 4.5 million mu to 2 million mu. The drought-resistant area of ​​irrigation and watering in the province reached more than 11 million mu, accounting for 1/3 of the total wheat area and accounting for 70% of the dry area of ​​wheat.
From February 7 to 10, due to the combined effects of cold and warm air and artificial precipitation (snow) operations, there were obvious rain and snow weather in Jiangsu Province, especially in the Huaihuai North area, 9-10 days occurred in the mid-snow partial snow, which eased to varying degrees. Local meteorological drought. According to the comparative analysis of the distribution of agro-meteorological drought after the rain, the severe arid area after the rain has been greatly reduced, and the original heavy and arid areas have become mild. At present, Lianyungang City is still suffering from severe drought, and other areas in northern Huaibei have turned into heavy drought.
According to the meteorological department, there is a light snow (including Huaibei area) in Jiangsu Province during the night of the 12th to 13th. The snow volume is 0~2mm, and the snow depth is 0~3cm. From 16th to 17th, there is a precipitation process in the whole province. Light rain or light rain, snow in other areas, small to moderate rain, process rainfall: about 3 mm in Huaibei, about 7 mm in other areas. Precipitation is conducive to further alleviating meteorological drought. From 12 to 14th, the lowest temperature in the province is -6~-2°C, and most areas will freeze.
It is recommended to pay close attention to weather changes. It is estimated that from 12th to 13th, the average temperature in Huaibei is below 3°C, which is not suitable for irrigation. In areas where the drought has not been effectively alleviated, it is necessary to wait until the average daily temperature rises to 3 °C before spraying or small water irrigation. Avoid flooding with large water to prevent the surface from freezing and freezing the wheat.
Field management needs to be done according to the situation of the seedlings and the sensation. Winter wheat will gradually enter the greening period, and it is necessary to prepare for the field management in the greening period. For small or late-weak wheat fields, it is necessary to pursue the return of green fertilizer, and loosen the soil to promote root growth.
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