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Green high-yield planting and breeding method for rice, shrimps and crabs

A shrimp and crab, green technology, applied in the field of planting and breeding, can solve the problems of environmental pollution, shrimp and crab impact, etc., achieve the effect of reducing the number of pests, promoting the growth of rice, and reducing the use

Active Publication Date: 2022-04-08
HAINAN GUIYUNTIAN AGRI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of pesticides will inevitably cause environmental pollution and the impact on shrimp and crabs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1 rice shrimp and crab green high-yield planting method

[0029] (1) Transplanting of rice: In Hainan area, rice is transplanted in early April, the transplanting density is 0.3m×0.3m, and a breeding ditch with the same length as the paddy field, about 0.5m wide and about 0.8m deep is reserved for every 10m interval in the field. For breeding crayfish and river crabs, water hyacinth and other aquatic plants are planted on the ditch surface as habitats for crayfish and river crabs; anti-escape devices are installed around the rice fields;

[0030] (2) Sprouts of shrimp and crab:

[0031] After 15 days of rice transplanting, put crayfish seedlings and river crab seedlings in the breeding ditch. The size of crayfish seedlings is 4-5g / tail, and the amount of stocking is 2500 tails / mu of rice field, and the size of river crab seedlings is 20-30g / tail. The amount of feeding is 150 per mu of rice field;

[0032] (3) Feeding:

[0033] After the crayfish seedlings ...

Embodiment 2

[0082] Embodiment 2 green high-yield planting method of rice shrimp and crab

[0083] (1) Transplanting of rice: In Hainan area, rice is transplanted in early April, the transplanting density is 0.3m×0.3m, and a breeding ditch with the same length as the paddy field, about 0.5m wide and about 0.8m deep is reserved for every 10m interval in the field. For breeding crayfish and river crabs, water hyacinth and other aquatic plants are planted on the ditch surface as habitats for crayfish and river crabs; anti-escape devices are installed around the rice fields;

[0084] (2) Sprouts of shrimp and crab:

[0085] After 15 days of rice transplanting, put crayfish seedlings and river crab seedlings in the breeding ditch. The size of crayfish seedlings is 4-5g / tail, and the amount of stocking is 2500 tails / mu of rice field, and the size of river crab seedlings is 20-30g / tail. The amount of feeding is 150 per mu of rice field;

[0086] (3) Feeding:

[0087] After the crayfish seedlin...

Embodiment 3

[0093] Embodiment 3 rice shrimp and crab green high-yield planting method

[0094] (1) Transplanting of rice: In Hainan area, rice is transplanted in early April, the transplanting density is 0.3m×0.3m, and a breeding ditch with the same length as the paddy field, about 0.5m wide and about 0.8m deep is reserved for every 10m interval in the field. For breeding crayfish and river crabs, water hyacinth and other aquatic plants are planted on the ditch surface as habitats for crayfish and river crabs; anti-escape devices are installed around the rice fields;

[0095] (2) Sprouts of shrimp and crab:

[0096] After 15 days of rice transplanting, put crayfish seedlings and river crab seedlings in the breeding ditch. The size of crayfish seedlings is 4-5g / tail, and the amount of stocking is 2500 tails / mu of rice field, and the size of river crab seedlings is 20-30g / tail. The amount of feeding is 150 per mu of paddy field;

[0097] (3) Feeding:

[0098] After the crayfish seedlings...

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PUM

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Abstract

The invention discloses a green high-yield rice, shrimp and crab planting and breeding method which comprises the following steps: (1) rice transplanting: after rice transplanting, reserving breeding ditches between rice fields; (2) putting young shrimps and young crabs: putting young shrimps and young crabs into the culture ditches; (3) feeding: feeding mixed feed and animal bait after the fry and the juvenile crabs are put; the compound feed contains ajuga ciliata flowers and pittosporum tobira fruits; fresh vetiver grass is placed on the peripheries of the ridges and the breeding ditches, and compound feed is placed on the vetiver grass; on the second day, the compound feed, eggs and dead insects placed around the ridges and the breeding ditches are used for breeding the crayfishes and the river crabs. The method utilizes the shrimps and crabs to remove weeds and part of pests in the rice field, promotes rice growth, improves rice yield and quality, utilizes the rice field to provide a good growth environment for the shrimps and crabs, and promotes growth of the shrimps and crabs. Meanwhile, main insect pests of rice can be prevented and treated, the use of pesticides is reduced, and the purposes of environment friendliness and high yield are achieved on the whole.

Description

technical field [0001] The invention belongs to the technical field of planting and breeding, and in particular relates to a method for green and high-yield breeding of rice shrimp and crab. Background technique [0002] Rice shrimp and crab comprehensive breeding is a new ecological breeding model that has been vigorously promoted in recent years. This model utilizes the symbiotic relationship of rice shrimp and crab, and utilizes the principle of circular ecology to give full play to the mutual benefit of rice shrimp and crab, and realizes the combination of planting and breeding. organic combination. It has played an important role in optimizing the agricultural structure and increasing production and income. [0003] Chilo suppressalis belongs to the family Lepidoptera, and it eats the stems of rice, causing dead sheaths and seedlings. The rice leaf roller Cnaphalocrocis medinalis mainly damages rice with larvae, which affects the normal growth of rice, shortens the pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/22A01K61/59A01G22/00A23K50/80A23K10/30
CPCY02A40/81Y02A40/818
Inventor 何开琦姚晓阳
Owner HAINAN GUIYUNTIAN AGRI TECH CO LTD
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