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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 Deformed Chinese Yam? A Detailed Guide to Practical Methods
How to prevent deformed Chinese yam? Please provide guidance methods. During the cultivation of Chinese yam, due to the influence of adverse environmental conditions, cultivation measures, management methods and other factors, changes occur in the internal tissue structure of Chinese yam during its growth process, thereby producing various bizarre shapes, such as branching at the upper end of the tuber, branching at the lower end, ...
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How to manage bitter melon in summer high temperatures? These methods you need to master
How to manage bitter melon in summer high temperatures? Please give an introduction to the management methods. Bitter melon roots prefer moisture and dislike waterlogging, so pay attention to digging drainage ditches normally; if heavy rain occurs, drain the field water promptly. Water use can be based on soil moisture conditions. Generally, on sunny days with strong sun and high evaporation, moisture disappears quickly, so it needs to...
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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 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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How to fertilize sunflowers properly? A detailed guide to scientific fertilization methods
How to fertilize sunflowers properly? Please give guidance. When growing sunflowers, you can refer to the following methods for fertilization: 1. Nutrient requirements of sunflowers. Sunflowers are a crop with relatively high nutrient demands. The period from flower head formation to flowering is the peak period of nutrient demand for sunflowers. From emergence to flower head formation, phosphorus demand is relatively high; from flower head formation to...
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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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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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Detailed Explanation of Methods for Preventing and Controlling Blossom-End Rot in Summer Peppers
How to prevent and control blossom-end rot in summer peppers? Please introduce the methods. The symptoms of blossom-end rot in peppers are very similar to those of bacterial soft rot in peppers. Blossom-end rot in peppers mainly damages the fruit, initially appearing as dark green or dark gray water-soaked lesions, which then expand into lesions that can reach 2-3 cm in diameter. As the fruit develops, the diseased area becomes grayish brown or white...
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Pepper Summer Planting Methods and Management Techniques
How to plant peppers in summer? Here is an introduction to the planting methods. For summer pepper planting, you can refer to the following methods for cultivation: Grow strong seedlings. Choose a plot with high terrain that has not grown solanaceous crops in the past two years, and build a seedling shed that is high in the north and low in the south. The south wall of the seedling shed is 0.6 m high, the north wall is 1.2 m high, the width is 1.5 m, and the shed length depends...
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