The yard grows mud to increase the good method
First, build a muddy pond. In the area around the courtyard behind the front of the house, choose muddy ponds with good water quality, convenient irrigation and drainage, and sheltering from the sun. The size of the pool can be 50 to 150 square meters, with a depth of 1 meter or more. The bottom and sides of the pool are paved with stones, bricks or cement boards and lightened with mortar. Water outlets shall be opened 30 cm downstream from the pool and anti-escape equipment shall be installed to prevent muddy escaping. Second, Qingchi disinfection. Mu with 50 kilograms of quicklime after disinfection, inject new water, and apply some manure in an appropriate amount to fertilize water quality. Wait until 7 to 10 days after the disappearance of the medicinal properties of lime. Third, stocking species. 500 to 750 grams of water per square meter was placed on the seedlings. Seedlings are to be selected for seedlings that are strong, harmless, and uniform in size, and be proportioned to the ratio of one male to three females. The female ovipositor is very strong in spawning power. A female otter generally produces eggs 2 to 3 times a year and lays about ten thousand eggs. Fourth, strengthen casting. Loach is an omnivorous fish. When breeding, in addition to fertilizing and cultivating natural alfalfa, animal alfalfa, such as alfalfa, silkworm cocoon and fish meal, can also be used. Can also be used with some glutinous rice cakes, bean cakes, rice, vegetables, aquatic plants and other plant dips. Casting volume: In March, it was 1% in the pool; in April and June it was 4%; in July and August it was 10%; in September and October it was 4%. Late winter does not vote. Castings should be placed on the table to avoid wastage. Should pay attention to casting amount, it is better to eat within 2 to 3 hours, otherwise it will swell. Fifth, change new water frequently. Always observe changes in water quality to prevent excessive fat in the pool. If muddy water is found on the surface, indicating that there is lack of oxygen in the water, new water should be replaced. Especially in thunderstorms and stifling weather, it is necessary to add new oxygen to the water in order to prevent pan-pool death. Six, prevention and treatment of diseases. Every day, the patrol pool sweeps the food field, and every 15 days or so it is disinfected and sterilized with bleach solution. Treatment should avoid the use of antibiotics as much as possible. It is best to use Chinese herbal medicines for prevention and treatment. For example, garlic can prevent enteritis, and calamus can be used to treat necrosis. VII. Eliminating predators. Such as the common otters, clip worms, etc., can use light trapping.
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