At present, one year after another, a large amount of vegetables has entered the late growth period. When interviewed by reporters in the countryside, the reporter found that many overwintering vegetables have begun to show signs of premature aging. Therefore, the author reminds the vegetable farmer friends to do a good job of preventing premature aging in advance.
First of all, we must promptly remove old leaves and diseased leaves. When vegetables enter the late growth stage, timely removal of old leaves, diseased leaves, and dead leaves not only reduces the nutrient consumption of the plants, but also effectively controls the spread and spread of diseases. It is also beneficial to the ventilation of the fields and promotes the robust growth of plants.
Second, early harvest, timely fertilizer. Solanaceous vegetables promote the early harvest of fruits, which can reduce nutrient consumption and prevent premature aging. Timely top dressing provides sufficient nutrients for plant growth and development, which is the key to preventing plant aging. The best time for topdressing is after the fruit is harvested. It can generally be combined with irrigation to chase the human fecal urine or nitrogen fertilizer and phosphate fertilizer 1-2 times. Cucumber topped with 10 kg per acre of diammonium phosphate, eggplant topped with 10 kg of urea per acre, pepper chase fertilizer material to be more appropriate, per acre can be followed by 12 kg of DAP.
Finally, we must guard against pests and diseases. For Solanum vegetables should pay attention to early control of aphids in time, generally available 20% erythrhinyl emulsion 800-1000 times sprayed leaves. Can be used to cucumber powdery mildew 50% thiophanate 800-1000 times or sprayed with 25% triadimefon 1200 times liquid spray, can be used for cucumber downy mildew 40% 300 aluminum aluminum phosphate 300-400 times or 25% rosacea 1000 times spray control. Control of tomato gray mold can be sprayed with 75% chlorothalonil wettable powder 600-800 times. Prevention of eggplant Mushroom disease can be sprayed with 75% chlorothalonil 700 times solution or 50% cefotaxime 500 times solution at the beginning of the disease, spraying once every 7-10 days for a total of 3-4 injections.
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