1, with water overwinter method. Astragalus is a variable-temperature, cold-blooded fish that is highly adaptable to the environment. When the temperature drops below 10°C (growth temperature 15 to 30°C), it rarely feeds and hibernates at the point. At this time, in order to safely survive the winter, the pond should be cultured. The water level is increased to 30-50 cm, ensuring that the water temperature at the bottom of the pool is above 0°C in winter. If the pond is frozen, the ice must be opened every day to prevent hypoxia. 2, dry pool winter law. When winter comes, the pool is drained below 10°C to ensure that the bottom of the pool is moist. The surface of the pool is covered with a layer of straw or wheat straw or corn stalk. The thickness is 10 to 20 cm. The temperature in the north is cooler than the south and the thickness of the cover grass is 30. In centimeters, it can also safely pass winter. 3, indoor wintering method. When the temperature is below 10°C, transfer the yellow trout from the pond to winter, and use the ratio of 1 kg of astragalus and 2 kg of water in the indoor pool or bucket to put the yellow trout into the pond or bucket. Change the water once a day to ensure that The room temperature is between 2 and 5°C. 4, plastic greenhouse wintering method. When the winter water temperature reaches 12°C, the use of plastic greenhouses is also effective for overwintering. When winter is used in a plastic greenhouse, the water level of the pond is slightly higher than the aquaculture water level. The temperature in the shed is guaranteed between 2 and 8°C. When the temperature is highest at noon every day, the ventilation holes of the greenhouse are opened, so that the air in the greenhouse is fresh, and ventilation holes are installed at the top of the greenhouse to prevent the death of jaundice due to lack of oxygen. Lingcheng County, Xingtai City, Lu Jigeng Traditional
convenience foods need to be soaked in boiling water for consumption.
Some special people, such as wilderness adventures, tourism, troops, and
police officers, cannot be eaten without boiling water. Self-heating
Rice does not need boiling water when cooking, no need for thermal
power, tear open the outer packaging, pour the pure water bag inside it
into the heating bag, the water and the heating bag will automatically
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Decommissioning
the ingredients of the Self-Heating Rice heating package: Inventing a
multi-purpose self-heating bag, mainly using roasting diatomaceous
earth, iron powder, aluminum powder, coke powder, activated carbon, salt
to form a bag, which can be heated to 60 °C It
can be used for heating in winter, medical hot compress, adding
quicklime, sodium carbonate and water. The temperature can be raised to
120 °C to heat meals or steamed food. The temperature is kept for 20
minutes to 100 ° C for 60 minutes and 60 ° C after 60 minutes. The
material used in the winter heating and hot compressing can be
repeatedly used, and after being used, it can be mixed with quicklime
and sodium carbonate, and then heated to heat the food.
Astragalus winter has a magic method