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What are the control methods for cotton boll rot?
1. Poor light is suitable for the rapid infection and spread of pathogens, and the disease is often severe, with cotton boll rot also being relatively serious. Types of cotton boll diseases: cotton boll rot is caused by infection and damage to cotton bolls by multiple pathogens. In cotton-growing areas of our province in years with abundant summer and autumn rain, cotton fields have relatively high humidity, heavier closure, and ventilation and light penetration account for 28.3% of boll diseases. In our province, the number of rainy days and rainfall in late August...
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How to prevent cucumber downy mildew? Master these control methods
How to prevent cucumber downy mildew? Please explain that cucumber downy mildew is one of the most common and most serious diseases occurring on cucumber. It can occur throughout the entire growth period of cucumber and mainly damages the leaves. After the leaves are affected, water-soaked light green spots first appear and gradually turn yellow-green and yellow. It occurs in all parts of our city and causes great...
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How to fertilize cucumber cultivation? A detailed guide to scientific fertilization methods
How to fertilize cucumber cultivation properly? Please explain. Cucumber is a high-yield vegetable that sets fruit early and has a long fruiting period, and its growing period requires a large amount of fertilizer. Generally, producing 1000 kg of cucumber requires 2.6 kg of pure nitrogen, 1.5 kg of phosphorus pentoxide and 3.5 kg of potassium oxide. In production, fertilizer must be applied in time to meet the nutritional needs of cucumber growth and development...
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Scientific Fertilization Methods and Technical Points for Cucumbers
How to fertilize cucumbers scientifically? Here are some methods you can refer to for fertilizing cucumbers: 1. Transplanting period: Five days after transplanting, start using Purodan 15-30-15 high-phosphorus fertilizer at 500 times dilution combined with seaweed extract at 1000 times dilution for root drenching, once every 10 days, for two consecutive applications, to promote root development after planting and enhance disease resistance in the later stage. 2....
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How to prevent and control cucumber diseases? Sharing practical prevention and control methods
How do you lower the vines when growing cucumbers in a greenhouse? Please provide guidance on lowering greenhouse cucumber vines at the right time to reduce plant height, allow the leaves to be distributed evenly, maintain a reasonable position for light exposure, strengthen cucumber growth vigor; this is one of the important companion measures for achieving high-yield, efficient, and high-quality greenhouse cucumber cultivation. First, remove diseased leaves, old leaves...
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What are the control methods for boll shedding in cotton?
The reasons for the high or low emergence rate of cotton are, generally speaking, manifold: they include the effect of the weather during the previous year's cotton harvest season on the maturity of the cotton, as well as whether the cotton seedling-raising techniques were properly matched. As for the climatic conditions of the previous year, the weather during the cotton harvesting period was, on the whole, fairly good, which was favorable for the maturation of cotton seeds...
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Occurrence, Damage Characteristics and Control Methods of the Peanut Field Cricket
What are the characteristics of the damage caused by the field cricket on peanuts? How to control it? (1) Morphological characteristics: The field cricket is commonly known as the large mole cricket, big-headed cricket, etc. ① Adult: body length about 41 mm, width 13 mm, body yellow, brown, or dark brown. Between the compound eyes there is a "Y"-shaped shallow groove. The pronotum is well developed, with a distinct longitudinal groove, and on both sides there are peach-colored patches of a lighter shade...
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Rice seedling raising methods and key technical points for seedling-stage management
Seed treatment To improve the germination rate of rice, the seeds should be sun-dried before sowing, then 2 ml of Baike (25% prochloraz) or 15 g of Exianqing (16% prochloraz·cartap) is added to 5-6 kg of water to soak 5-6 kg of rice seed, and for every 5-6 kg of water, 10 g of 10% imidacloprid wettable powder is also added, soaking for 72 hours, soaking by day and airing by night, then accelerating...
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How to fertilize garlic for the best results? A detailed guide to fertilization methods
How should garlic be fertilized for the best results? Please help me analyze this. Garlic has a long growing period and requires a lot of fertilizer, so the principle should be "organic fertilizer as the mainstay, chemical fertilizer as a supplement; basal fertilizer as the mainstay, topdressing as a supplement." 1. Apply sufficient basal fertilizer: per mu, apply 5000 kg of high-quality farmyard manure, 100 kg of cake fertilizer, 100 kg of 45% compound fertilizer...
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Correct application methods of foliar fertilizer for garlic
How to apply foliar fertilizer when growing garlic? Please give guidance. Foliar fertilization allows nutrients to enter the plant body through the leaves and directly participate in the plant's metabolic processes and the synthesis of organic matter. Its effect is faster than soil fertilization, and it is an economical and reasonable fertilization technique. After garlic is treated with garlic growth promoter, the garlic seedlings'...
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