According to the forecast of the County Meteorological Observatory, from November 15 to 21, the county experienced continuous low temperature and rainy weather. The daily average temperature was only about 10°C, and the minimum temperature would drop below 5°C. The process rainfall was noticeable, with moderate to heavy rain during the period. Qi Jisheng, head of the county agricultural station, said that such a climate is extremely unfavorable to agricultural production, and crops may suffer from waterlogging and freezing damage. It is hoped that farmers will strengthen field management, implement disaster prevention measures, and reduce disaster losses.
Drain the drainage in time to prevent waterlogging. The crops planted in autumn and winter in my county are all irrigated crops, and have poor resistance to waterlogging and flooding. If the soil is flooded or the soil water is saturated for a long time, the crops will wither and die. Therefore, it is necessary to intensify the drainage and drainage work, reduce the soil moisture content, promote soil aeration, and prevent crops from sowing or dying.
To implement insulation measures to prevent freezing damage. Greenhouse vegetables, fruits (such as tomato, red eggplant, and watermelon) are all warm crops. When the temperature drops below 10°C, it will stop growing. Over time, cold damage or dead seedlings will occur. At present, it is the nursery stage for vegetables and fruits in greenhouses. Covers such as plastic films and rice straw must be covered to prevent freezing damage.
To increase the application of phosphorus and potassium fertilizers, enhance the ability of crops to resist cold. Based on the application of soil fertilization, 0.2% potassium dihydrogen phosphate solution can be used for extra-root fertilizer application, foliar application of plant ash, and application of decomposed organic fertilizer at the base of the crop to improve the cold resistance of the crop.
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