It is expected that the temperature in most parts of the country will be close to normal or high in the spring of this year (March to May), which will facilitate the smooth progress of spring sowing and the growth and yield formation of winter wheat and rapeseed. Most of the precipitation in the north central part of the northeastern part of China, the north part of North China, the eastern part of Huanghuai and the southwestern part of the country are slightly more than normal, which is conducive to the formation of grain and oil crops in spring and summer harvest; the rest of the majority are small, the eastern part of the northwest, the west of Huanghuai, etc. The drought of the ground may continue or develop, which is not conducive to the smooth progress of spring sowing and the growth and yield formation of winter wheat. The precipitation in the northeastern part of the Yangtze River is less than 2 to 50%, which may result in insufficient water storage and affect spring sowing and rice transplanting. The precipitation in the northeastern part of Heilongjiang is more than 2 to 5 percent, and the temperature is low, which may lead to soil over-wetting, late spring sowing and slow growth of spring-sown crops; precipitation in southern Yunnan is too high and temperature is low, and there may be periodic low-temperature and rainy weather. Crop growth and development cause adverse effects.
Suggest:
1. According to the situation of soil thawing, the spring planting area in the north should do a good planting plan, pay close attention to preparation, timely sowing, and strive for the whole seedling; the area of ​​soil moisture in the northwest should be actively planted to ensure the smooth progress of spring sowing.
2. In summer, the grain and oil crops area should strengthen the field management in the spring, timely fertilize and remove weeds, and build a high-yield group. The winter wheat area in the north still needs to do drought-resistant work, and timely irrigation according to the seedlings and sensation; the strong precipitation in the southern wheat and rapeseed areas increases in the spring, and the grass should be cleared in time to reduce the humidity in the field and promote crop growth and yield formation. .
3, Jiangnan, South China, early rice production areas should pay close attention to weather changes, seize the "cold tail warm head" in time to avoid damage caused by low temperature and rain; to strengthen the management of the sowed early rice fields, and strive to cultivate strong. All localities should also pay attention to the storage of water in the pond to ensure timely transplanting of early rice.
4. All localities should strengthen the monitoring and prevention of pests and diseases in spring.
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