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What are the methods for preventing and controlling pests and diseases in yam?
What methods are there for preventing and controlling pests and diseases when growing yam? Please give an introduction to the methods. When growing yam, the following methods can be used to prevent and control pests and diseases: I. Agricultural control 1. Selecting disease-resistant varieties is an effective method for preventing and controlling yam pests and diseases. When cultivating disease-resistant varieties, a rational layout should be used, rotating varieties every 2 to 3 years, and paying attention...
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How to prevent empty sunflower seeds? You need to master these control methods
How to prevent empty sunflower seeds? Let me explain: empty seeds around the outer ring of the sunflower are mainly caused by poor pollination; empty seeds in the center of the sunflower are mainly caused by insufficient fertilizer and water and a lack of nutrients. Therefore, preventing empty sunflower seeds first means ensuring adequate fertilizer and water, and second means artificial supplementary pollination. First, strengthen fertilizer and water management. Sun...
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What are the control methods for the sunflower moth?
How to control the sunflower moth? Here is a detailed introduction to the methods. The sunflower moth larvae bore into and feed on the seeds and the flower disc, seriously affecting the yield and quality of sunflowers. In surveys conducted in different sunflower fields over the past two years, the low seed damage rate was 11.2%, the high was 40.6%, and the average seed damage rate was 21.4%. To improve...
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What are the management methods for sunflowers during the growth period?
How do you manage sunflowers during the growth period? Please give an introduction. Sunflowers during the growth period can be managed by referring to the following methods: 1. Reasonable topdressing. From the bud stage to the flowering stage, apply 150 kg of urea per hectare, about 15 cm from the roots, by furrow application or hole application; at the full flowering stage, spray 0.2%-0.4% monopotassium phosphate, depending on the growth condition, apply once or twice.
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When to harvest peanuts? Master the methods for judging maturity
How do you determine when peanuts can be harvested? Please explain that the peanut harvest time should be determined based on the appearance of the plants and the maturity of the pods. From the appearance of the plants, the upper leaves turn yellow, the middle and lower leaves change from green to yellow and gradually fall off, the stems turn yellow-green and become withered and soft, the full-pod rate is above 75%, the pod shells harden, and most pods...
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What are the methods for growing aloe vera as a potted plant at home?
Aloe vera is a plant that is extremely popular with women, not only because its shape and leaves are lovely, but also because it has edible, medicinal and beauty benefits. Small potted aloe vera for the home can also be placed on a desk or writing table, giving it ornamental value. For potted aloe vera, a clay tile pot with good breathability should be chosen. If a new pot is used, it should be soaked thoroughly with water...
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What are the common methods for controlling pests on pomegranate trees?
Which method is commonly used to control pests on pomegranate trees? The main pests of pomegranate trees are aphids, peach fruit borers, red spider mites and fruit borers. The following methods can be used for pest control: 1. Chemical pest control: according to the pest situation in the field, when the larvae and eggs of peach fruit borers and fruit borers appear, promptly spray 30% Taoxiaoling emulsifiable concentrate at 2000 times dilution...
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What to do if there are geckos at home? Practical methods to drive them away
What to do if there are geckos at home
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What are the control methods for the ginseng large gray weevil?
The large gray weevil, also known as the snout beetle or "tula lv", has an adult body length of 9-12 mm, grayish-yellow or grayish-black, densely covered with grayish-white scales. The head and rostrum are densely covered with golden shiny scales. The pests occurring this year mainly feed on tender stems and leaves on the soil surface during the seedling emergence period, causing great damage. When disturbed, they feign death and drop to the ground, causing damage in the early morning and evening....
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What are the control methods for ginseng click beetles?
The insect's scientific name is the click beetle, also known as wireworm, jinci rake, yellow youyan, etc., and its adult is also called the snapping beetle. It belongs to the order Coleoptera, family Elateridae. It causes the most serious damage to ginseng. It generally begins activity after the soil thaws, and the larvae mainly damage the underground root and stem parts of ginseng, generally in the layer from the ginseng root to 10 cm below the surface...
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