Heavy damage prevention: Before and after the wheat harvest, the locusts have a migration period. The worms on the wheat produce winged plagues and migrate to the vegetables or fruit trees. Therefore, the vegetable crops grown in the vicinity of the wheat fields or planted after harvesting wheat The vegetable crops are particularly important for the timely prevention and control of aphids, migratory locusts, and thrips and other pests. That is to say, pests should be sprayed and sprayed in time before wheat is harvested, and pests should be promptly controlled after the wheat is harvested or when the vegetable crop is sown earlier. About half a month after the harvest, the insect pests were relatively reduced, especially when heavy rains were encountered. The pest control agents are 5% high-efficiency eradicated EC 1500 times, or 1.8% acetamiprid microemulsion 2000 times, or 32.5% victorious EC 2000 times, 48% Dicomycin (Dow Agri-products) "Fight" 5000 times liquid, etc., to prevent the main, 7 to 10 days spray once, even against 2 to 3 times. If several agents are applied alternately, the control effect is better. Cultivation Management: This year's temperature is lower than in previous years. We must strengthen management in the middle and later stages of the winter greenhouses and greenhouses in early spring. We should extend the growth period of crops, such as cucumbers, tomatoes, and peppers. Do not remove the greenhouse film easily. Increase the ventilation, it is best to increase the insect net, in order to reduce the temperature inside the shed, you can throw mud on the shed film, instead of the shade net, splashed once again after raining; also can reduce the temperature by watering, interlaced or separated Alternating watering, watering 4 to 5 days, increasing the number of watering, reducing the amount of watering. At the same time, topdressing according to growth, the concentration should not be too large, or once poured water, once poured with fertilizer water, the purpose is to protect the normal growth of the crop. Seeding and Seedling Raising: The cucumber varieties sowed include Jinlv 15, Jinlv 5, Jinchun 4, Xiafeng 1, etc. The varieties of cowpea (bean pods) include glutinous rice 28-2, modified 901, or lotus root, etc.; early autumn celery requires breeding, and there are four seasons of celery and Tianjin yellow seedlings. Planting leeks, planting green onions, and cultivating tomato crops.
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