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How to prevent and control cotton boll rot? Do this in hot and humid weather
How to prevent and control cotton boll rot in hot and humid conditions? Please explain the methods. Cotton boll rot can be prevented and controlled by referring to the following methods: 1. Rational fertilization: apply more organic fertilizer and phosphorus-potassium fertilizer, apply nitrogen fertilizer in appropriate amounts, prevent excessive vegetative growth of cotton plants, reduce canopy closure in the cotton field, and improve ventilation and light penetration. 2. Timely drainage: for low-lying...
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How to prevent and control leaf spot disease in ginger during hot and rainy seasons?
How to prevent and control leaf spot disease in large ginger during hot and rainy seasons? Please give an introduction to the methods. During the hot and rainy season, the occurrence of leaf spot disease in large ginger is on the rise, and prevention work for this disease currently needs to be done well. Ginger spot disease mainly damages leaves. Infected leaves develop yellow-white elliptical or irregular lesions, and in humid conditions scattered small black dots grow on the lesions...
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How to prevent diseases in yam during the hot and rainy period?
I. Planting and growth period: generally planted in February-March, and harvesting begins in September-December. II. Main cultivation techniques 1. Soil selection: sandy loam soil that is loose and deep, with a water source for irrigation, should be selected. 2. Preparation and treatment of seedlings (1) Planting with yam cuttings: at present, ...
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How to sprout celery seeds in hot weather
The suitable temperature for celery seed germination is 15-25°C; above 30°C germination becomes difficult. When sowing celery in hot weather, the following seed treatment methods can be used to promote uniform germination. Variable temperature treatment: after drying the seeds in the sun for 1 day, soak them in clean water for 24 hours, changing the water every 8 hours, then remove them, rinse them clean, wrap them in damp gauze, and place them at 5°C...
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How is No. 22 Hot Pepper? Variety Characteristics and Planting Key Points
The No. 22 hot pepper promoted and developed by Shanxi Province Northern Seed Industry has a plant height of 50 cm, a spread of 45 cm, fruit length of 18--21 cm, width of 2--2.5 cm, wrinkles below the fruit shoulder, thick flesh, strong spiciness, and high water content; it is suitable for harvesting as tender peppers and is not easy to dry.
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How to prevent and control hollow-heart leaf shrinkage disease in hot peppers? Growers should take preventive measures early
Hollow-heart leaf shrinkage in hot peppers may be caused by a viral disease. After pepper plants are infected by a virus, a variety of symptoms can appear, generally including mosaic, fern leaf, vein clearing, dwarfing, yellowing, necrosis, and top bud blight, among which the one that can cause hollow-heart leaf shrinkage in hot peppers is fern leaf virus disease. After the disease occurs, it can be prevented and controlled by the following methods: 1. 20% Virus A wettable powder at 500 times dilution; 2. Bingdujing or Bingduling at 500 times dilution; 3. 1.5% Zhibingling emulsifiable concentrate
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How to grow potatoes with hotbed seedling raising and transplanting for high-yield cultivation?
Using the "plastic hotbed seedling raising and transplanting potato high-yield cultivation measures", the yield per plant generally reaches 1.8 kg, with a maximum of 3 kg, and the yield per mu can reach 5000-7000 kg. The specific measures are as follows: 1. Careful selection and treatment of seed potatoes. Select large potatoes with regular shape, free of pests and diseases, and free of frost damage as seed. The seed potatoes are taken out of the cellar on March 10-13, placed on the normal-temperature ground of a greenhouse for 6-9 days in spring, and cut into seed pieces when white dots appear at the buds. Each potato piece weighs about 30 g, and generally 36-40 pieces are cut per kg of seed potatoes.
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How to prevent and control wheat dry hot wind? Detailed practical measures
Wheat dry hot wind prevention and control measures
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How to manage hot peppers for high yields? These techniques you need to master
High-yield management techniques for hot peppers
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