Should pay attention to the management of vegetable fields after rain
First, it should be timely to prevent flooding. To prevent the death of plants due to excessive water accumulation in the field, the accumulation of water in the greenhouse should be digging trenches in the shed and outside the shed to divert water, and the accumulated water in the field should be promptly drained. The second is timely cultivation of loose soil. When the land can enter people, it will pay close attention to cultivating loose soil, break the surface layer, improve soil permeability, and promote root development. The third is appropriate top dressing. Since the amount of water discharged from the farmland after the flood disaster is large, some fertilizers, especially potassium fertilizer, will be lost with the water. Therefore, after drainage, especially the watermelon and melon fields should be supplemented with potassium and calcium. It is recommended to combine well-drained water after the rain, and recover 5 kg of Indian calcium, 5 kg of federal potassium and 5 kg of microbial agents per mu. After heavy rain, it is not appropriate to use large amounts of nitrogenous fertilizers and chemical fertilizers to prevent hypertrophy. Foliar can also be sprayed with Indian calcium or natural brassin - Shuofeng 481, Tianda 2116 and other foliar fertilizers to enhance crop disease resistance. Fourth, timely prevention and control of pests and diseases. After the disaster, the field has high humidity and high temperature, which is suitable for a variety of pests and diseases. Therefore, field inspections should be conducted in a timely manner. Nowadays watermelon, melon and cucumber are mainly used to prevent downy mildew and anthracnose. Downy mildew can be used 600 times Baitai liquid plus 600 times the liquid and Shuofeng 481 mixed, spray 5 to 6 days, and even spray 2 to 3 times; anthrax available 50% carbendazim 800 times or 75% Chlorothalonil 500 to 600 times solution plus Shuofeng 481 or Indian calcium foliar spray; 50% Chlorobromoisocyanuric acid 1200 to 1500 times foliar spray for bacterial soft rot; Symptoms of wilting caused by locust plague in roots , Each mu can be used for gold micro multi-purpose 200 times liquid or 15% Chlorhexidine 600 times irrigate.
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