Method and system of rice-oenanthe javanica-cherax quadricarinatus integrated planting and breeding
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A technology of red-clawed crayfish and rice, applied in the field of rice-cress-red-clawed crayfish comprehensive breeding, which can solve the problems of long survival time and achieve good taste, agricultural efficiency and good quality
Inactive Publication Date: 2020-11-06
ZHEJIANG JIAXING AGRI SCI ACADEMY INST +1
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In addition, red claw crayfish is resistant to long-distance transportation and can be marketed fresh. It can be transported dry out of water for 24 hours. If it can be slightly moistened, it will survive for a longer time
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Embodiment 1
[0092] (a) Selection and transformation of paddy fields
[0093] Choose paddy fields with a quiet environment, no pollution, sufficient water sources, good water quality, fertilized but not silted fields, not dried up in dry seasons, not submerged in rainy seasons, convenient in drainage, convenient in transportation, and good in water retention. The area of the paddy field is 3.5 mu. A circular ditch with a width of 2m, a depth of 1.2m and a slope ratio of 1:1.5 is excavated around the paddy field. 10% of the area.
[0094] Combined with the excavation project of the circular ditch, heighten, widen and tamp the embankment. The excavated soil is directly used to heighten and widen the embankment, so that the plane of the embankment is 1.2m higher than the rice field surface, and the width of the embankment reaches 1.2m. The soil is compacted to ensure that the embankment does not crack, collapse or leak. At the end of the trenching operation, a section of soil slope with a...
Embodiment 2
[0118] (a) Selection and transformation of paddy fields
[0119] Choose paddy fields with a quiet environment, no pollution, sufficient water sources, good water quality, fertilized but not silted fields, not dried up in dry seasons, not submerged in rainy seasons, convenient in drainage, convenient in transportation, and good in water retention. The paddy field covers an area of 10 mu. A circular ditch with a width of 2m, a depth of 1.2m and a slope ratio of 1:1.5 is excavated around the paddy field. 10% of the area.
[0120] Combined with the excavation project of the circular ditch, heighten, widen and tamp the embankment. The excavated soil is directly used to heighten and widen the embankment, so that the plane of the embankment is 1.5m higher than the paddy field surface, and the width of the embankment reaches 1.2m. The soil is compacted to ensure that the embankment does not crack, collapse or leak. At the end of the trenching operation, a section of soil slope wit...
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Abstract
The invention discloses a method and system of rice-oenanthe javanica-cherax quadricarinatus integrated planting and breeding. The method includes digging an annular trench in a dam between rice fields, wherein floating beds, microporous oxygenation devices and a temporary rearing tank separated by a net are arranged in the annular trench and the dam is provided with an anti-escape device; planting rice in the rice fields and performing rice planting management; cultivating oenanthe javanica in the floating beds, and performing oenanthe javanica cultivating management; and breeding cherax quadricarinatus in the annular trench, and performing cherax quadricarinatus breeding management. As the cherax quadricarinatus is bred in the annular trench of the rice field and the oenanthe javanica iscultivated on the water surface of the annular trench through the floating beds, the land utilization rate can be increased; a symbiotic system of rice, aquatic vegetables and shrimps can be established; and through mutualistic symbiosis, rice fertilizer input can be reduced, pesticides are not needed, so that high-quality and ecological rice can be produced, therefore, food safety can be guaranteed, and agricultural efficiency, farmer income increasing and rural beautification can be realized.
Description
technical field [0001] The application relates to the technical field of ecological agriculture, in particular to a method and system for comprehensive cultivation of rice-cress-redclawed crayfish. Background technique [0002] Red claw crayfish, scientific name Cherax quadricarinatus, English name Redclaw crayfish, also known as Australian freshwater lobster, blue lobster. In classification, it belongs to the order Decapod, Pseudoclawidae, and Red Claw Crawfish. The red claw crayfish is native to the tropical streams in northern Australia. It looks like a lobster in the sea. The body color is bright blue, green or iron blue. The color varies according to the minerals and algae in different waters. The male adult shrimp There are bright red membranous plaques on the outside of the two pairs of large claws, so it is called red claw crayfish. The red claw shrimp was originally a wild shrimp. It was cultivated artificially in 1971. It was introduced in my country in the 1990s...
Claims
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