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Key points and precautions of live fish transport technology explained
This article mainly studies and summarizes the open live fish transport methods commonly used on the market today for freshwater adult fish and fingerlings, and develops a live fish transport method that is simple, convenient, has a large loading capacity, a high transport survival rate, and low transport cost. 1. Transport method 1. Add water to the tank. Before loading fish, first fill the transport truck tank with water. The water used is best underground hard water, and generally the tank is filled to a depth of 40-50 cm. When transporting in summer, when adding underground well water, it is best to also add about 1/5
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Detailed Explanation of the Processing Technology for Fresh-Brined Red Drum Fish Fillets
The scientific name of the red drum (Sciaenops ocellatus) is the spotted weakfish, belonging to the genus Sciaenops, family Sciaenidae, order Perciformes. It is a eurythermal and euryhaline fish, with a suitable temperature of 10-30°C, optimally 18-25°C. It has been reported to tolerate low temperatures of 2°C. Its salinity tolerance range is very wide, and it can grow normally in freshwater, brackish water, and seawater. It is a carnivorous fish. In natural waters, it mainly feeds on shellfish, cephalopods, small fish, etc. In artificial rearing, compound feed can be used. The red drum has few diseases and grows quickly. According to reports,
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Fishery Science and Technology Collaboration Network: 100 Key Achievements in Aquatic Science and Technology
At the 2007 National Fishery Science and Technology Collaboration Network Conference that concluded today, a declaration was issued to the national fishery science and technology community on jointly advancing the "Ten Major Actions," and 100 key achievements in aquatic science and technology were introduced and released to the public. It is reported that the 100 aquatic science and technology achievements cover disciplines and fields such as resource conservation and development, aquatic species breeding, healthy aquaculture, aquatic disease prevention and control, aquatic product quality and safety, and fishery equipment and engineering. They include both national-level major achievements in high and new technology and the promotion of independent innovation, as well as those oriented to industry development needs
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Key Points of Cotton Fertilization Technology in the Huang-Huai-Hai Region
1. Main existing problems. In the Huang-Huai-Hai cotton region, nitrogen and phosphorus fertilizer application rates are generally too high, while organic fertilizer application is insufficient; basal fertilizer rates are too high, while topdressing rates are insufficient; deficiencies in the trace elements boron and zinc are relatively common. 2. Fertilization principles. (1) Increase organic fertilizer application and advocate combining organic and inorganic fertilizers. (2) According to soil fertility conditions, appropriately reduce nitrogen and phosphorus fertilizer rates, apply potassium fertilizer reasonably, and pay attention to the combined application of boron and zinc. (3) Apply nitrogen fertilizer in split applications, appropriately increasing the proportion of nitrogen fertilizer applied in the middle growth stage. (4) Fertilizer application should be combined with high-yield and high-quality cultivation techniques.
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Detailed Explanation of Key Points of High-Yield Fertilization Technology for Cotton
Fertilization is the most important and active link in cotton production. In order to obtain high cotton yields, scientific fertilization must be achieved. In villages such as Diandong and Sunwan in Tongshan County, Jiangsu Province, the lint cotton yield per unit area has stably exceeded 1500 kg/ha for more than ten consecutive years. According to surveys, the author summarizes their main experience in fertilization into 3 words, namely "sufficient, early, complete." 1 "Sufficient" Sufficient fertilizer is the foundation of high yield. That is, determine the target yield according to production conditions and management level, and determine sufficient fertilization amount according to the target yield. According to the experience of the above-mentioned high-yield units, to obtain a lint cotton index of
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Detailed Explanation of the Key Points of Formula Fertilization Technology for Cotton
Currently, it is the critical period for cotton land preparation and fertilization, in order to do a good job in cotton formula fertilization and lay the foundation for high quality and high yield. The cotton fertilization technology is now provided to the majority of cotton farmers for reference: 1. Pay attention to the application of farmyard manure: farmyard manure can improve the soil, enrich soil fertility, and contains various nutrient elements needed by crops, providing what crops need for growth. It has complete nutrition and is rich in organic matter, and has a significant effect on improving the soil and increasing the utilization rate of chemical fertilizers. 2. Increase the application of phosphate fertilizer: phosphorus has low mobility in the soil and dissolves and releases slowly,
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Detailed Explanation of Key Points for Balanced Fertilization Technology in Cotton
I. Principles of Cotton Fertilization 1. Combined Application of Organic and Inorganic Fertilizers Cotton production should be sustainable. Organic fertilizers have the characteristics of complete nutrients and stable, long-lasting fertilizer efficiency, and cannot be replaced by inorganic fertilizers. Even under conditions where the supply of inorganic fertilizers is relatively sufficient, the role of organic fertilizers should not be neglected. Only through the combined application of both can high and stable yields be achieved. Especially under the current situation of high chemical fertilizer prices, more attention should be paid to increasing the application of organic fertilizers. 2. Balanced Application of Major Elements and Trace Elements Major elements refer to
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Material-free Gastrodia Cultivation Technology Successfully Developed in Guizhou
The fragile ecological environment of western China urgently needs protection, yet impoverished westerners urgently need to cut trees to cultivate Gastrodia to escape poverty, thus environmental protection and moderate prosperity have become a difficult contradiction. Now, with the maturing and promotion of the material-free Gastrodia cultivation technology by Yunlong Gastrodia Development Co., Ltd. in Dafang County, Guizhou Province, this contradiction has been readily resolved. Dafang County is located in the northwest of Guizhou Province. Due to its unique geographical environment and climatic conditions, the Gastrodia produced in Dafang is large in size, transparent in texture, and its gastrodin content and beneficial trace elements such as molybdenum, chromium, rubidium, cobalt, and copper are far
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New intensive cultivation technology for small oyster mushrooms originated in South Korea
The small oyster mushroom belongs to the subdivision Basidiomycotina, order Agaricales, family Pleurotaceae, genus Pleurotus. It is rich in protein, sugars, vitamins, iron, calcium and the 8 essential amino acids for the human body. Its flesh is plump and tender, with a fresh and pleasant taste, and it has high edible and health-care value, making it highly favored by consumers. It is a mushroom with relatively large production and consumption in South Korea. Because small oyster mushrooms are not easy to transport over long distances or keep fresh, very few fresh mushrooms are imported from abroad, and production is mainly domestic in South Korea. Compared with conventional oyster mushroom cultivation, the biological conversion rate of small oyster mushrooms is relatively low, only 50%-80%, and moreover, grading
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A Complete Analysis of the New Machine-Bagging and Irrigation Technology for Oyster Mushroom Cultivation
Drawing on shiitake mushroom production techniques to grow oyster mushrooms, a new machine-bagging and bag-cultivation technology for oyster mushrooms has been summarized, and it is introduced as follows: 1. Preparation of spawn bags: according to the formula of 88% cottonseed hulls, 10% wheat bran, and 2% gypsum, add 1.1-1.2 kg of water per kg of dry material. Use the special bagging machine for shiitake production to fill the material into 55×15×0.004 cm low-pressure polyethylene plastic bags, with each bag holding 2.1-2.3 kg wet weight of material. Then, put the material bags into a sterilization stove for sterilization; after the temperature rises to 100°C, keep it for 10
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