Since March, there has been a long period of low temperature and rainy weather in Central China. The continuous low temperature and rainy weather is unfavorable for the spring growth of rapeseed and other winter crops, and some rapeseed flowering is affected; local spring vegetable growth is also affected. In late March, there was a good weather in the evening, which was conducive to spring planting and early rice breeding. From yesterday day to today, a new round of cold air affects the Central China region, bringing local cooling of 8-10 °C and small to moderate rain, which is not good for spring ploughing.
According to the short-term climate trend forecast, precipitation in central China is more frequent in April, and there will be low-temperature and rainy weather and cold spring weather. Early rice should pay attention to cold-proof drainage in time to avoid the occurrence of rotten species.
The agricultural production recommendations are as follows:
In the first half of April and mid-April, it is a key period for the double-season early rice breeding in Central China. It is necessary to manage the polders and seedbeds according to the changes in the weather. Before the cold air or cold spring weather comes, pay attention to irrigation and heat preservation, to prevent damage; after the weather is fine, it is necessary to promptly open the two membranes to ventilate and prevent the rotten dead seedlings. In late April, it is necessary to catch the fine weather and transplant the seedlings in time.
2. In April, Huazhong entered the flood season. Heavy convective weather such as heavy rain, thunder, wind, hail and so on appeared frequently. It is necessary to strengthen the awareness of disaster prevention and mitigation, and prepare for disaster prevention in a timely manner.
In March and April, the number of precipitation days in Central China is relatively high. It is necessary to strengthen the management of fertilization and the control of pests and diseases in the later stage of rapeseed crops. In the future, it is necessary to clear the ditch and drain water in order to improve the looseness and permeability of the soil and promote the development of crop roots to enhance the rapeseed. Resistance to disease and lodging resistance.
4, Qingming is coming soon, all localities should pay attention to the safety of fire, and do a good job in monitoring and fire prevention of forest fires.
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