For outer covering cultivation, it is best to choose a place with 2 to 3 hours of exposure each day from the lower part of the mid-tide zone to the low tide zone at bottom ; of the shrimp and razor clam polyculture pond should be treated, and the bottom material should be soft mud and sand. A mixed base is preferable. 2) Construction of standard type knife fields. Whether it is a cooked or raw coating, the cultivation of the external coating must be carried out by inverted coating. Cultivation should be carried out in mid and low tide zones, in inland bays or estuaries, on flat and gently sloping foreshores. the tide must be gentle and the waves calm. It can also be grown in ponds. The razor clams grow 30 centimeters below the sand layer, so they have higher substrate requirements. It is best to have a few centimeters ofsoft mud on the surface.
The sugar of knives used to cultivate the knives should be used. be chosen with a regular flow and coated externally. For breeding, it is better to choose the lower level from the low tide zone to the low tide zone. It is best to have two to three hours of exposure each day so that water. can still enter at low tide. Raised razor clams, like clams, grow in the sand at the seashore. When harvested, they must also be dug and excavated in the sea sand. When breeding razor clams, the salinity should not exceed 10%, and the water temperature should be around 20 degrees.
During its growth process, it will adhere to some environmental impurities and the adhesion will be relatively strong. Under normal circumstances, you can use a toothbrush with salt water to clean it. However, if it is very dirtyWith the naked eye, it is recommended to use steel wool, which quickly removes dirt present on the surface of the hull. Southern razor clams can still live for a while at a temperature of 39°C. The suitable water temperature for growing razor clams is 15-30°C. In this range, the higher the temperature, the faster the growth. The adaptation range of knives to relative density is 1.005 to 1.020. Low relative density in this range is beneficial for the growth of knives.
Using this type of knives to grow knives is labor-saving, high yield, less damage and more efficient. 'benefits. Well, the yield of 1 mu of knife can reach about 1,000 kilograms, and the highest yield can exceed 2,000 kilograms. The purchase price is 15 to 20 yuan/kg. Also known as Holy Son, Bamboo Locust, etc., this type of seashell isrectangular in shape with round ends. It is mainly distributed along the coasts of northern and southern China. It is rich in nutrients and delicious in texture. Razors are a food rich in protein, and their consumption is useful for maintaining your own immune function