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Detailed Explanation of the Soft-shelled Turtle-Rice Rotation Ecological Farming Model
Generally, after 2 to 3 years of raising soft-shelled turtles, one season of rice is planted. In mid-May, juvenile soft-shelled turtles are stocked, with a size of about 180 g body weight and a stocking density of 500 to 1000 turtles per mu. They are fed soft-shelled turtle compound feed together with live fish, and are caught before the end of July the following year. After catching the turtles, late rice is planted from late July to early August. During the rearing process, aside from using quicklime and other drugs to clear and disinfect the pond, no antibiotics, chlorine preparations, or other chemical drugs are used. For disease prevention, Chinese herbal medicines such as Banlangen (Isatis root) are mostly used. Regarding rice cultivation techniques,
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Characteristics and Cultivation Techniques of the Red-Shelled Shallot Variety
Plant height about 30 cm, spread about 12 cm, leaf length 22 cm, green with little wax bloom, pseudostem about 8 cm long, white, outer skin purplish red-brown. Bulb base broad, 2.5 cm long, 2 cm wide. Strong tillering ability, intense aroma, strong pungency, propagated by division. Planted from late August to early September, row spacing 20-25 cm, hill spacing 7-8 cm, 4-5 plants per hill. Starting in November, seedlings are thinned and brought to market. In early summer the bulbs swell and are harvested for market, with a yield of 500-600 kg per mu.
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A Detailed Explanation of Healthy Soft-shelled Turtle Breeding Methods and Technical Key Points
As the fishing proverb says: "Good stock produces good fry, and good fry yields high output." When selecting superior stock, keep the following points in mind: ① Ask the supplier about the age and weight of the parent turtles; generally, 2-year-old turtles weighing over 1 kg are normal parents, while 3-year-old turtles weighing 2-3 kg are even more ideal. ② Uniform size. For breeding stock turtles, use hatchlings of about 10 grams; for commercial turtles, use stock turtles of about 100 grams. The weight difference between individuals must not be too great, so as to avoid competing for food and biting each other, which would affect survival and growth.
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How can the disease prevention system be improved in soft-shelled turtle farming?
1. Build farming facility conditions that meet ecological requirements, including farming engineering facilities, water source and water quality management, and other aspects. 2. Implement scientific feeding management and daily operations, and use high-quality, complete, diversified feed free of pathogen contamination. 3. Select healthy seedlings for farming. As far as possible, breed hatchlings and young turtles locally, and at the same time try to avoid introducing seedlings from other places, especially imported seedlings, to prevent secondary infection by pathogens. Even if they are introduced, strict quarantine and isolation observation must be carried out.
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Detailed Explanation of Key Technical Points for Soft-shelled Turtle-Rice Ecological Rotation
In recent years, China's soft-shelled turtle farming industry has developed rapidly. Adopting the soft-shelled turtle-rice rotation model can achieve rice cultivation without fertilization, while planting rice can also improve the bottom substrate of turtle ponds and reduce the occurrence of turtle diseases. Zhejiang Qingxi Soft-shelled Turtle Industry Co., Ltd. began conducting soft-shelled turtle-rice rotation experiments in 1999, and in practice summarized the ecological rotation model of "raising soft-shelled turtles for 2-3 years, planting one season of rice," which has been promoted and applied in production. 1. Construction of Rice-Planting Turtle Ponds. Each pond has an area of more than 3 mu, with the largest reaching
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Polyculture of yellow catfish and soft-shelled turtles can net 10,000 yuan per mu
In recent years, with breakthroughs in special feed for yellow catfish and in fry breeding technology, various farming models for yellow catfish, including main culture, polyculture and intercropping, have been rapidly applied. The "18221" efficient pond farming model uses high-economic-value yellow catfish to replace the traditional "four major Chinese carps" in a polyculture model with soft-shelled turtles. This model means that in 1 mu of farming water surface, 800 jin of yellow catfish and 200 jin of soft-shelled turtles are produced, with an output value of 20,000 yuan and a profit of 10,000 yuan. It is a typical high-yield, high-efficiency farming model. Its technical points: One
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What to Do When Shell Mushrooms Appear? Detailed Explanation of Prevention and Control Methods
Due to excessively strong light, the fruiting bodies lose water rapidly and shell mushrooms are prone to develop: the stipe is short and thick, and the stipe cannot be seen from the outside; the cap is underdeveloped and shell-shaped in appearance, with no gills or only traces of gills, and the cap color turns darker and glossy. Prevention and control methods: add more covering material to the mushroom shed. Reduce ventilation, increase water spraying, and raise the relative air humidity in the mushroom shed.
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Are variegated shell ginger and variegated galangal the same plant?
Scientific name: Alpinia zerumbet cv. Variegata. Common name: variegated galangal. Family and genus: Zingiberaceae, Alpinia. Description: An evergreen herbaceous foliage plant. It grows 1-2 m tall, and potted plants are mostly under 1 m tall. Its rhizomes are creeping and fleshy. The leaves are leathery, with short petioles, short-oblong lanceolate; about 50 cm long and 1J5-20 cm wide; the leaf surface is dark green with golden-yellow longitudinal stripes and patches, and is glossy. The panicle is pendulous, the bracts are white with yellow edges, and the apex and base
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What are the prevention and treatment methods for soft-shelled turtle parotitis?
Cause: The cause is unknown and may be caused by a virus. Symptoms: Some diseased soft-shelled turtles have swollen necks and bleeding in the internal organs; some have bleeding spots on the plastron, and in the late stage of the disease, bleeding from the mouth and nose can also be seen. The disease has two characteristics: first, the neck is swollen but not red; second, the gastrointestinal tract contains clotted blood or is completely bloodless. When dying, the neck is stretched out long. Prevention and treatment: 1) Because the cause is unknown, there is still a lack of effective treatment methods, so prevention is the main approach. Regularly feed "Nongfu Type 3" for 1-2 consecutive days, 1-2 times per month;
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Processing, Application Methods and Techniques for Tea Seed Shells
Oil tea is a woody oil crop unique to China. According to statistics, China currently has more than 3.47 million hectares of oil tea area, with an annual output of 56.6 billion kg of oil tea seeds. Tea seed shells contain 52.15% lignin, 30.27% pentosan, 5.43% saponin, 2.47% tannin, 0.43% water, 0.13% oil, and 9.12% other components. Because tea seed shells are high in lignin and pentosan, research on their utilization is currently focused on the preparation of furfural, activated carbon and xylitol. 1. Tea seeds
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