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Fish Farming: Suitable Dosages of Medication for Several Fish Species
The dosage must not be too high, otherwise it may cause phytotoxicity to the cultured species. In particular, fish such as freshwater pomfret (piaractus brachypomus) and mandarin fish are sensitive to certain medications, and improper use can easily cause death. 1. Freshwater pomfret. Freshwater pomfret is most sensitive to organophosphorus pesticides. Therefore, the use of medications such as trichlorfon and dichlorvos is prohibited. 2. Mandarin fish. Mandarin fish is relatively sensitive to medications such as trichlorfon and copper chloride. When the concentration of trichlorfon is above 0.2 ml/L, or the concentration of copper chloride is above 0.7 mg/L, it can cause poisoning and death in mandarin fish. Therefore, it is necessary to master
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Why is mushroom basket and box cultivation so profitable?
If a farmer's family does not have the conditions to use sunken-bed cultivation for mushrooms, they can adopt the economical and practical basket and box cultivation method. This method is simple and easy to carry out and can be used year-round. The method is: 1. Prepare baskets or boxes. Use old broken bamboo baskets, wicker baskets or miscellaneous wooden board packing boxes, and coat the bottom and all four sides with wheat straw mud mixed with a small amount of lime powder. The purpose is to keep warm, retain moisture, and prevent pests and diseases. After that, put the mud-coated baskets and boxes in a ventilated place to dry for later use. 2. Formula and ingredients. Put clean cottonseed hulls without mold in the sunlight
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What is the most suitable temperature and humidity inside a snake enclosure?
Snakes are ectothermic animals, and changes in temperature greatly affect their growth and activity. Therefore, controlling the temperature and humidity inside a snake enclosure within the range suitable for snake growth and activity is another key issue in artificial snake farming. Generally, a temperature of 20-30°C is most suitable for the growth and reproduction of snakes. If it falls below 10-13°C, snakes curl up and become inactive; if in an environment above 40°C or below 0°C, weak and thin snakes will die in large numbers. So, in the process of artificially raising snakes, special attention must be paid to the outside
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Is honeysuckle suitable for growing in mountainous areas?
Honeysuckle, also known as Japanese honeysuckle flower or erhua, is a perennial vine whose flowers, leaves, stems and roots can all be used as medicine. In hilly and mountainous areas, growing honeysuckle on barren hills, hillsides and marginal land can both green the barren hills and wild ridges and bring relatively high economic returns. Honeysuckle has the functions of clearing heat and detoxifying, cooling the blood and resolving stasis, and can mainly treat externally contracted wind-heat, sores and ulcers with viral infection, red swelling with heat and pain, the early stage of warm disease, and bloody pus in the stool. Honeysuckle also contains a variety of trace elements essential to the human body, as well as enzyme acids beneficial to human health, and has a certain effect on anti-aging, cancer prevention and keeping the body light and fit.
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How profitable is it to grow honeysuckle on hillside land?
Honeysuckle is cold-resistant, drought-resistant and tolerant of poor soil, and growing it does not take up cultivated land. When honeysuckle is planted on hillsides or as part of the Grain for Green program and soil and water conservation efforts, the returns can be quite good as long as the techniques are right, making it a good way for farmers in mountainous areas to earn income. According to surveys, when honeysuckle is planted on field ridges with a clump spacing of 70-80 cm, it can cover the ridges within 3 years, protecting earth ridges from gullying and stone ridges from collapsing. At the same time, honeysuckle is not strict about climatic conditions and has strong drought resistance; there is a farming saying that "wild grass may die of drought, but honeysuckle will not die of drought." Its cultivation characteristics are: 1. Site selection and land preparation. Honeysuckle likes sun
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Recommended meat snake species: These meat snakes are suitable for breeding
Did you know how many species of snakes exist in our country? According to statistics, there are as many as 173 species of snakes in China, of which 48 are venomous and the rest are non-venomous. Meat snakes refer to non-venomous snakes that are large in size, grow quickly, and are commonly eaten or used medicinally. To help snake farmers become familiar with and understand their living and production performance, the following introduces several meat snake species that are large in size, grow quickly, develop well, lay many eggs (or give birth to many young), have tender meat, and offer good breeding returns. The black-browed ratsnake is commonly known as the home snake, yellow long worm, cauliflower snake, three-stripe line, broad snake, etc. Adult snakes are about 1
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Jintong 6, a Superior Yellow Peach Cultivar Suitable for Canning
Jintong 6: Native to the United States. A mid-season cultivar, with an average single fruit weight of 160 g. The fruit is nearly round with a round apex, and the skin has a dark red blush. The flesh is orange-yellow, fine and firm, with a balanced sweet-tart flavor. It is non-melting, clingstone, and highly productive. Processing loss for canning is 1:0.923, and it is resistant to overcooking. A mid-early ripening cultivar with excellent processing adaptability. Ripening period is early to mid-August.
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What are the key cultivation points of the potato-rice-vegetable rotation model?
The potato--rice--vegetable model is mainly promoted in mid- to high-altitude areas. The key cultivation points are as follows: (1) For potatoes, choose late-maturing varieties with high resistance to late blight, such as Jizhangru No. 5. (2) For late rice, it is advisable to choose high-quality combinations such as Liangyou 2186 and D702 Youduoxi No. 1, so as to take advantage of the large day-night temperature difference in autumn in mid- to high-altitude areas and the good grain filling of rice. (3) In mid- to high-altitude areas, winter temperatures are relatively low, so for winter vegetables it is advisable to choose cold-tolerant types and cold-tolerant varieties.
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What temperature requirements does soybean growth have? Detailed explanation of the suitable temperature range
Soybean is a warm-season crop and has different temperature requirements at each growth and development stage. First, seed germination is very sensitive to temperature: the minimum germination temperature is 6°C, emergence is 8-10°C, and seedlings suffer slight frost damage at a low temperature of -4°C. Throughout the growth period, the optimum growth temperature for soybean is a daily average temperature of 20-25°C, among which the optimum growth temperature for seedlings is 20-21°C, the flower bud differentiation stage is 21-23°C, the flowering stage is 22-25°C, the pod-setting and seed-filling stage is 21-23°C, and the maturation stage is 19-
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Why is courtyard cultivation of Gastrodia elata so profitable?
Opening remarks: The artificial cultivation of Gastrodia elata follows special rules, and the level of technical skill directly affects the yield of Gastrodia elata. Comrade Zhang Youyun of the Heze City Yunzhou Gastrodia elata Research Institute began studying Gastrodia elata cultivation techniques in 1992 under Mr. Xu Jintang, the father of Chinese Gastrodia elata and a researcher at the Institute of Medicinal Plant Development, Chinese Academy of Sciences. Over ten years, he has worked out in practice a complete set of effective Gastrodia elata cultivation techniques and accumulated rich practical experience. To enable more Gastrodia elata enthusiasts to learn and master Gastrodia elata cultivation techniques, this newspaper is opening from today the "Gastrodia elata Cultivation Techniques Lecture" column
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