First, scientific application of fertilizer water.
After the root melon is harvested, combined with watering, the fertilizer is applied once in a timely manner. After the autumn cucumber enters the melon period, water is usually poured once every 3-4 days. Take small water and water to avoid flooding. In this way, it can achieve drought, no stagnation, less pests and diseases, and can often cool down and improve the microclimate in the field. Usually every time the water is poured, chase 1 fertilizer. The use of urea is 15-20 kg, and it is suitable to apply quick-acting phosphorus and potassium fertilizer, which has a good yield increasing effect. In case of heavy rain, pay attention to drainage. After each heavy rain, we combine shallow ploughing with alfalfa once. After entering the melon period in late August, we no longer tilled the weeds. Usually 1-2 days harvest 1 time.
Second, pay attention to keeping warm and cold. The farmer said: When the autumn breeze cools, three white dew creams. In September, it is in the solar terms of “Bailu†and “Autumnâ€. The weather turns from hot to cool, and the temperature is cool at night, and the temperature is cool, so it is necessary to strengthen warmth and cold. In early September, the autumn cucumber is still in the stagnation period, and a wind barrier is set up in the cucumber field, and a barrier is set up on the north side and the west side to reduce the invasion of the white wind and prevent the plant from premature aging. At the same time, spraying 0.5% potassium dihydrogen phosphate foliar fertilizer can prolong the harvest period and increase the later yield. In the middle and late September of September, the cucumber entered the late stage of melon, and the number of watering was reduced accordingly.
Third, timely prevention of pests and diseases. Cucumber downy mildew can be used 58% metalaxyl manganese zinc 500 times, Du Bangkelu 600 times, 64% antiviral 800 times, 75% chlorothalonil control. Insect pests mainly include greenhouse whitefly, aphid, spotted fly, and tea saponin, etc., and can be used 5000 times Aketai kungfu kimchi 2000 times to 3000 times. Spray once every 7 days to achieve control effect.
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Thousands of antibiotics have been reported, which can be divided into six types according to their structure:
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(4) macrolide antibiotics, which are composed of one or more monosaccharides and together with carbon chains form a large aromatic lactone compound, such as erythromycin;
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