River crab and cray polyculture method
A lobster and river crab technology, applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of small number of crayfish, unscientific management, low survival rate, etc., to reduce mutual killing, improve survival rate, and survive. high rate effect
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Embodiment 1
[0025] (1) Cleaning of ponds: 1 pond mouth with an area of 100 mu. It is a pond transformed by using low-lying land. Each pond is excavated around an 8-meter-wide circular ditch with a depth of 0.8 meters and a pond table with a depth of 1.2 meters. Rice, the bottom is loam, the water source is mountain spring water, the water volume is sufficient, the water quality is pollution-free, and the water intake and drainage are convenient. A special anti-escape plastic film is used around the pond to build an anti-escape wall. Pond microporous oxygenation facilities and online dissolved oxygen monitors. In winter, the pond has been remodeled to remove excess silt to ensure that the bottom of the pond is flat and the silt is 10 cm. Freezing and exposure methods are used to kill bacteria and viruses at the bottom of the pond, improving For the physical and chemical properties of the soil, in mid-February, 125 kg per mu of quickliming water was poured into the whole pool for disinfect...
Embodiment 2
[0036] (1) Cleaning of ponds: 1 pond mouth with an area of 100 mu. It is a pond transformed by using low-lying land. Each pond is excavated around an 8-meter-wide circular ditch with a depth of 0.8 meters and a pond table with a depth of 1.2 meters. Rice, the bottom is loam, the water source is mountain spring water, the water volume is sufficient, the water quality is pollution-free, and the water intake and drainage are convenient. A special anti-escape plastic film is used around the pond to build an anti-escape wall. Pond microporous oxygenation facilities and online dissolved oxygen monitors. In winter, the pond has been remodeled to remove excess silt to ensure that the bottom of the pond is flat and the silt is 10 cm. Freezing and exposure methods are used to kill bacteria and viruses at the bottom of the pond, improving For the physical and chemical properties of the soil, in mid-February, 125 kg per mu of quickliming water was poured into the whole pool for disinfect...
Embodiment 3
[0047](1) Cleaning of ponds: 1 pond mouth with an area of 100 mu. It is a pond transformed by using low-lying land. Each pond is excavated around an 8-meter-wide circular ditch with a depth of 0.8 meters and a pond table with a depth of 1.2 meters. Rice, the bottom is loam, the water source is mountain spring water, the water volume is sufficient, the water quality is pollution-free, and the water intake and drainage are convenient. A special anti-escape plastic film is used around the pond to build an anti-escape wall. Pond microporous oxygenation facilities and online dissolved oxygen monitors. In winter, the pond has been remodeled to remove excess silt to ensure that the bottom of the pond is flat and the silt is 10 cm. Freezing and exposure methods are used to kill bacteria and viruses at the bottom of the pond, improving For the physical and chemical properties of the soil, in mid-February, 125 kg per mu of quickliming water was poured into the whole pool for disinfecti...
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