Continued low temperature and rainy weather have adversely affected early rice, fruit trees, winter melons and aquaculture in Hainan Province. The temperature continued to be low, and the early rice in the east basically stopped tillering. In other areas, the early rice could not be selected for the "cold tail warming" period, and the transplanting period was delayed accordingly. As the accumulated temperature in the seedling period is significantly less, it is expected that the early rice development period in all parts of the province will be relatively extended this year. The sunshine continued to be low, the temperature continued to be low, the bananas, mangoes and other fruit trees in the northwestern part of the flower and fruit period, and the photosynthesis of most melons in the north of Wuzhi Mountain decreased, the growth was hindered, and flowering pollination was affected by low temperature and cold damage. At the same time, the resistance of pests and diseases decreased, and the occurrence of diseases was more serious. The continuous low-temperature and widowed weather also made the aquaculture species feed and grow slowly, and the occurrence and prevalence of diseases were widespread, which led to an increase in the prices of farmed aquatic products.
According to the meteorological department, on the 14th, the temperature in the province has rebounded slightly. From the 15th, the strong cold air will once again affect the whole province, and the temperature will drop again. Affected by it, in the middle and late January, the low temperature and rainy weather in the north of Wuzhi Mountain in the island will continue, and the range of low temperature and rain in the province may continue to expand and the intensity will continue to increase. In late January, cold air activity is still frequent, and the low temperature and low sunshine weather may still be more than normal.
Production advice
1. The early paddy fields in the east can be appropriately increased in irrigation, water is used to raise temperature, and tiller growth is restored as much as possible. The rest of the area continues to pay attention to the trend of low temperature and rainy process, and timely selects the "cold tail warm head" period for sowing.
2. Continue to pay attention to the process of low temperature and rainy weather, and increase the measures to prevent low temperature of winter melons and vegetables. It is recommended to increase the temperature of smoked tobacco in the vegetable garden as much as possible, and promote the use of film covering, shading net, wind barrier, etc. to prevent seedlings and seedlings from being damaged. The leaf surface of the melon can be sprayed with a growth regulator to reduce the falling and falling fruit. Also pay attention to strengthen disease prevention and control work.
3. The weather of rubber trees has been greatly suppressed by the continuous rainy weather. It is recommended to stop the tree planting. As the sunshine continues to be less, the rubber leaves are prone to disease, and attention is given to strengthening prevention and treatment. In addition, we will continue to do a good job in the management of the deep-cover grass and grass in Jiaoyuan, and effectively store the water and soil, which is conducive to the growth and development of the roots of the gum tree and the improvement of water and fertilizer conditions.
4. The low temperature process continues, and bananas, mangoes, and "March Red" lychees and other fruit trees increase the cold resistance. In the early days, the lighting was less and the lighting conditions were poor. In the orchard of flower and fruit period, the foliar fertilizer should be sprayed according to the specific conditions to promote the normal fruit setting, and at the same time supplement the nutrients needed for the development of young fruit to keep the normal fruit from expanding. In addition, orchards with relatively high relative humidity pay attention to strengthening the prevention and treatment of diseases.
5. All farms should continue to do cold work, deepen the water level of fish ponds, ensure the temperature of water bodies, and open aerators in time; conditional farms can build winter sheds to ensure that seedlings are not frozen.
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