1. The method of growing long bamboo oysters is suitable for inner bays with calm waves, slow flow velocity, high salinity, slime or sediment. The seedlings harvested in this way are cultured in situ. When breeding, it is necessary to sparse the bamboo to facilitate the growth of oysters. The spring seedlings that were fixed in the spring can be harvested by the end of the year. Fixing seedlings in the fall will not be harvested until the following winter.
Second, the long oysters hang down method
1. Oyster farming:
This applies to inner bays where the depth of water is more than 4 meters and the waves are calm during dry tide. The structural size varies from place to place and there is no uniform specification. It can usually be circled and mashed with bamboo. It has 510 meters and 1010 meters. Each rake uses 6-9 float buckets or other floats for buoyancy. It anchors the seabed and hangs the seedlings' attachments on the rake. Develop.
2. Longline culture:
This type has greater wind resistance and is suitable for offshore farming. The basic structure is to use two reins with a diameter of 2 cm and a length of 70 to 75 meters. The two ends are anchored at each end, and the reins are connected at equal distance. The polyethylene floater will pick the seedlings' attachments and suspend them on the reins.
3. Grid type breeding:
This method is applicable to the sea area where the slope of the beach is small, the water depth is 2 to 3 meters when the tide is dry, the sediment is mud or sand, and the wind and waves are calm. Set up wooden piles or cement piles on the seabed, use bamboo rafts to set up a grid, and hunt the seedlings on the grid.
During the cultivation period, daily management work must be done, such as stone removal, flood control, wintering, removal of predators, fattening, and refurbishment of floating rafts.
Third, the long oyster cultivation method of standing stones using this method to pick the seedlings continue to develop in situ, if the seedlings fixed too dense, it should be appropriately sparse. The pillars erected in the sea area are generally not moved in position and are placed in the sea area as permanent breeding equipment. At the time of harvest, the oysters are shoveled from the pillars and transported back to the shore to open the shells.
Fourth, the bridge-type growth method of long oysters This method is used to harvest the earthworms. After one month of cultivation, the individuals increase. At this time, the stone slabs need to be rearranged so as not to affect the growth. During sparse drainage, 6 to 7 stone slabs are grouped together. Stones are used to form a long row between the groups. The group spacing is 50 to 60 cm and the spacing is 1 to 2 meters. After a period of cultivation, the dark side of the meteorite is The positive surfaces are interchangeable so that the oysters on both sides grow evenly and can be harvested by the end of the year.
Fifth, the long oysters throwing stone cultivation method This method applies to the harder intertidal and subtidal zone, the use of boxing stone or larger stones for the attachment base.
1. The sky-star type: The meteorites are evenly spread over the cultivated land, and 3000-5000 pieces of stone are thrown per mu. This applies to deep water areas.
2. Plum-type: 5 to 6 pieces of vermiculite piled up into a heap, was Plum-shaped, each pile spacing 30 to 50 cm, in the field to develop scattered.
3. Determinant: The meteorites are lined up in a breeding farm. The width of each row is about 30 to 60 centimeters. The length of the row is equal to the width of the field, and the row spacing is 50 to 100 centimeters.
Second, the long oysters hang down method
1. Oyster farming:
This applies to inner bays where the depth of water is more than 4 meters and the waves are calm during dry tide. The structural size varies from place to place and there is no uniform specification. It can usually be circled and mashed with bamboo. It has 510 meters and 1010 meters. Each rake uses 6-9 float buckets or other floats for buoyancy. It anchors the seabed and hangs the seedlings' attachments on the rake. Develop.
2. Longline culture:
This type has greater wind resistance and is suitable for offshore farming. The basic structure is to use two reins with a diameter of 2 cm and a length of 70 to 75 meters. The two ends are anchored at each end, and the reins are connected at equal distance. The polyethylene floater will pick the seedlings' attachments and suspend them on the reins.
3. Grid type breeding:
This method is applicable to the sea area where the slope of the beach is small, the water depth is 2 to 3 meters when the tide is dry, the sediment is mud or sand, and the wind and waves are calm. Set up wooden piles or cement piles on the seabed, use bamboo rafts to set up a grid, and hunt the seedlings on the grid.
During the cultivation period, daily management work must be done, such as stone removal, flood control, wintering, removal of predators, fattening, and refurbishment of floating rafts.
Third, the long oyster cultivation method of standing stones using this method to pick the seedlings continue to develop in situ, if the seedlings fixed too dense, it should be appropriately sparse. The pillars erected in the sea area are generally not moved in position and are placed in the sea area as permanent breeding equipment. At the time of harvest, the oysters are shoveled from the pillars and transported back to the shore to open the shells.
Fourth, the bridge-type growth method of long oysters This method is used to harvest the earthworms. After one month of cultivation, the individuals increase. At this time, the stone slabs need to be rearranged so as not to affect the growth. During sparse drainage, 6 to 7 stone slabs are grouped together. Stones are used to form a long row between the groups. The group spacing is 50 to 60 cm and the spacing is 1 to 2 meters. After a period of cultivation, the dark side of the meteorite is The positive surfaces are interchangeable so that the oysters on both sides grow evenly and can be harvested by the end of the year.
Fifth, the long oysters throwing stone cultivation method This method applies to the harder intertidal and subtidal zone, the use of boxing stone or larger stones for the attachment base.
1. The sky-star type: The meteorites are evenly spread over the cultivated land, and 3000-5000 pieces of stone are thrown per mu. This applies to deep water areas.
2. Plum-type: 5 to 6 pieces of vermiculite piled up into a heap, was Plum-shaped, each pile spacing 30 to 50 cm, in the field to develop scattered.
3. Determinant: The meteorites are lined up in a breeding farm. The width of each row is about 30 to 60 centimeters. The length of the row is equal to the width of the field, and the row spacing is 50 to 100 centimeters.
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