CN108901962B - Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield - Google Patents
Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield Download PDFInfo
- Publication number
- CN108901962B CN108901962B CN201810744308.5A CN201810744308A CN108901962B CN 108901962 B CN108901962 B CN 108901962B CN 201810744308 A CN201810744308 A CN 201810744308A CN 108901962 B CN108901962 B CN 108901962B
- Authority
- CN
- China
- Prior art keywords
- water
- crayfish
- water spinach
- months
- spinach
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a culture method for growing water spinach and crayfish and improving the yield, wherein the crayfish is symbiotically grown with aquatic plants, the proper water spinach is planted in planned paddy fields in the culture process, the total coverage area of the water surface is improved, a shady place can be provided for the crayfish, the local water body temperature is reduced through plant transpiration, the crayfish is more suitable for growing, meanwhile, stems and tendrils of the water spinach are wound, the dam collapse of a paddy field can be prevented, the water spinach can absorb N, P in water as a culture material for self growth, pollutants generated by excretion and residual baits of shrimps in the water body are converted, the water body purification effect is achieved, the survival rate of shrimp seedlings is further improved, and a virtuous cycle effect is achieved. The water spinach disclosed by the invention further adopts an intermittent harvesting mode, so that the economic benefit is further improved, the survival rate of the crayfish is high, the quality is high, and the confidence of farmer culture is improved.
Description
Technical Field
The invention relates to the technical field of lobster breeding, in particular to a breeding method for symbiosis of water spinach and crayfish and improvement of yield.
Background
The crayfish is also called procambarus clarkia, and in recent years, with the development of the procambarus clarkia breeding industry, the eutrophication degree of the breeding water body is rapidly increased by a high-density and high-bait-throwing breeding mode, so that the crayfish growth is inhibited, diseases can be induced, and the ecological environment of the water body is also negative. Because the procambarus clarkii has the biological characteristics of preferring yin and fearing light, expelling fluke and killing each other, the pond culture is difficult to achieve high yield, and the culture efficiency is not ideal. The eutrophication of aquatic plant treated culture water is the research on the health culture of aquatic products
One of the hot spots in (1) is that the research on water spinach as procambarus clarkia high-density culture pond for purifying water quality and shading shelter plants has been reported, but is limited to a non-intermediate harvesting mode in the culture process and a one-time harvesting mode at the end of the test. The invention aims to cultivate water spinach in the water body of the cultured seedlings of procambarus clarkia, and intermittently harvest the water spinach according to the growth condition, namely, a leek cutting cultivation mode, so as to establish dynamic benign-cycle ecological culture of the combined culture of the procambarus clarkia and the water spinach.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides a cultivation method for symbiosis of water spinach and crayfish and improvement of yield.
The invention is realized by the following technical scheme:
a cultivation method for growing water spinach and crayfish and improving yield comprises the following specific steps:
(1) selecting a 2-3 hectare field to excavate, excavating an annular ditch along the inner side of the field, applying a proper amount of organic fertilizer and compound fertilizer before planting the water spinach, and deeply ploughing 20-30 cm after applying for land preparation, fully tilling and harrowing; properly cleaning sludge in the ditch before use to prevent the sludge from exceeding 20 cm, and keeping a shallow water layer of 3-5 cm on the surface of a furrow before planting;
(2) polyethylene plastic films with certain specifications are adopted as fences around the ridges to prevent crayfishes from escaping, the bottoms of the fences are embedded into the soil by about 15 cm, nylon ropes are sewn into the top ends of the fences to be pulled straight and tightened, the outer sides of the escape-proof films are fixed by wooden piles, and the distance between 1.5 and 2 meters is controlled;
(3) purchasing water spinach seeds for seedling cultivation in 4 months, transplanting at the bottom of 5 months, cultivating at a position 30cm away from the water surface of a bank, planting holes 25-30cm deep, weighing 100 plus materials per mu and 120 kg, compacting the planting holes by using organic fertilizer mixed soil, watering enough water, arranging water spinach seedling canes, and extending the head to the water surface so as to be beneficial to forming a vegetation community floating on the water surface as soon as possible for shielding and eating crayfishes; meanwhile, putting the shrimp fries in late 4 months, and controlling the specification and stocking density of the shrimp fries;
(4) after the shrimp larvae are put in the pond, water body disinfection is carried out by sprinkling quicklime every 20 days, water quality is adjusted by using microecologics such as EM (effective microorganisms), bacillus and the like, feeding amount is flexibly controlled according to the field storage amount, weather, water quality and the like of the shrimps, feeding is carried out for 1-2 times every day, the evening feeding is taken as a main time, and the feeding amount accounts for about 70% of daily feeding amount; meanwhile, collecting tender branches and leaves of the water spinach at certain intervals by adopting an intermittent collection mode; the crayfish can reach the market specification after being raised for about 2 months, and can be caught by a crayfish cage, a ground cage and other tools.
A cultivation method for cultivating water spinach and crayfish in a symbiotic manner and improving the yield is characterized in that the annular trench in the step (1) is 0.8-1 meter deep and 3-4 meters wide.
A cultivation method for symbiosis of water spinach and crayfish and improvement of yield is characterized in that the organic fertilizer in the step (1) is decomposed livestock and poultry manure, crop straws and the like, and the using amount is 23-45 tons per hectare; the dosage of the compound fertilizer is 400-500 kg/ha.
The cultivation method for symbiosis of the water spinach and the crayfish and improvement of yield is characterized in that the polyethylene plastic film with a certain specification in the step (2) is 0.2mm thick and 60 cm wide.
The culture method for symbiotic growth of the water spinach and the crayfish and improvement of the yield comprises the step (3) of controlling the specification and the stocking density of the shrimp fries, wherein the shrimp fries with the average body length of 3.5-4 cm are selected, and the stocking density is about 5000 fries per mu.
A cultivation method for symbiosis of water spinach and crayfish and improvement of yield is characterized in that feeding amount is flexibly controlled according to field storage amount, weather, water quality and the like of the crayfish in step (4), and specific fed baits are products obtained by mixing and granulating 55% of commercial shrimp feed, 20% of minced fillet, 24% of corn flour and 1% of adhesive.
A cultivation method for symbiotic water spinach and crayfish and improving yield includes the step (4) that tender branches and leaves of water spinach are collected at certain intervals in a harvest-intermitting mode, wherein the specific collection time is 3 times in 6 months, and 6 times in 7 months and 8 months.
The invention has the advantages that: the crayfish cultivation device disclosed by the invention has the advantages that the crayfish is symbiotic with the aquatic plant ipomoea aquatica in the cultivation process, the polyethylene film is used as a fence around the paddy field, the crayfish is prevented from escaping everywhere, the proper ipomoea aquatica is planted in the planned paddy field in the cultivation process, the total coverage area of the water surface is increased, a shady place can be provided for the crayfish, the local water body temperature is reduced through plant transpiration, the crayfish is more suitable for growth, meanwhile, the stem and vine of the ipomoea aquatica are wound, the ridge collapse of the paddy field can be prevented, the ipomoea aquatica can absorb N, P in water as a culture material for self growth, pollutants generated by excretion and residual baits of the shrimps in the water body are converted, the effect of purifying the water body is achieved, the survival rate of the crayfish seedlings is further improved, and a virtuous cycle effect is achieved. The water spinach disclosed by the invention further adopts an intermittent harvesting mode, so that the economic benefit is further improved, the survival rate of the crayfish is high, the quality is high, and the confidence of farmer culture is improved.
Detailed Description
A cultivation method for growing water spinach and crayfish and improving yield comprises the following specific steps:
(1) selecting a field of 2 hectares for excavation, excavating an annular ditch which is 0.8 m deep and 3 m wide along the inner side of the field, applying decomposed livestock and poultry manure and compound fertilizer before planting of the water spinach, respectively applying fertilizer according to the use amount of 25 tons and 400 kilograms per hectare, deeply ploughing for 20 cm after application for land preparation, and fully tilling and harrowing; properly cleaning sludge in the ditch before use to prevent the sludge from exceeding 20 cm, and keeping a shallow water layer of 3 cm on the surface of a furrow before planting;
(2) a polyethylene plastic film with the thickness of 0.2mm and the width of 60 cm is adopted as a fence around a ridge to prevent crayfishes from escaping, the bottom of the crayfishes is buried in the soil by about 15 cm, nylon ropes are sewn into the top ends of the crayfishes to be straightened and tightened, the outer sides of the escape-proof films are fixed by wooden piles, and the distance between every two adjacent 1.5 meters is controlled;
(3) purchasing water spinach seeds for seedling culture in 4 months, transplanting at the bottom of 5 months, cultivating at a position 30cm away from the water surface of a bank, planting holes 25cm deep and 100 kg in weight per mu, compacting the planting holes by using organic fertilizer mixed soil, watering enough water, arranging water spinach seedling rattans, and extending the heads to the water surface so as to be beneficial to forming a water surface floating vegetation community as soon as possible for shielding and eating crayfish; meanwhile, in late ten days of 4 months, shrimp seedlings with the average body length of 3.5 cm are selected, and the stocking density is about 5000 fries per mu;
(4) after the shrimp fries are put into the field, water body disinfection is carried out by sprinkling quicklime every 20 days, water quality is adjusted by using microecologics such as EM (effective microorganisms), bacillus and the like, feeding amount is flexibly controlled according to field storage amount, weather, water quality and the like of the shrimps, fed baits are products obtained by mixing and granulating 55% of commercial shrimp feed, 20% of minced fillet, 24% of corn flour and 1% of adhesive, feeding is carried out for 1 time every day, feeding is mainly carried out in the evening, and the feeding amount accounts for about 70% of daily feeding amount; meanwhile, the tender branches and leaves of the water spinach are collected at certain intervals in an intermittent collection mode, the tender branches and leaves of the water spinach are collected 3 times in 6 months, and the tender branches and leaves of the water spinach are collected 6 times in 7 months and 8 months; the crayfish can reach the market specification after being raised for about 2 months, and can be caught by a crayfish cage, a ground cage and other tools.
Claims (1)
1. A cultivation method for growing water spinach and crayfish and improving yield is characterized by comprising the following specific steps:
selecting a 2-3 hectare field to excavate, excavating an annular ditch along the inner side of the field, applying a proper amount of organic fertilizer and compound fertilizer before planting the water spinach, and deeply ploughing 20-30 cm after applying for land preparation, fully tilling and harrowing; properly cleaning sludge in the ditch before use to prevent the sludge from exceeding 20 cm, and keeping a shallow water layer of 3-5 cm on the surface of a furrow before planting;
(2) polyethylene plastic films with certain specifications are adopted as fences around the ridges to prevent crayfishes from escaping, the bottoms of the fences are embedded into the soil by about 15 cm, nylon ropes are sewn into the top ends of the fences to be pulled straight and tightened, the outer sides of the escape-proof films are fixed by wooden piles, and the distance between 1.5 and 2 meters is controlled;
(3) purchasing water spinach seeds for seedling cultivation in 4 months, transplanting at the bottom of 5 months, cultivating at a position 30cm away from the water surface of a bank, planting holes 25-30cm deep, weighing 100 plus materials per mu and 120 kg, compacting the planting holes by using organic fertilizer mixed soil, watering enough water, arranging water spinach seedling canes, and extending the head to the water surface so as to be beneficial to forming a vegetation community floating on the water surface as soon as possible for shielding and eating crayfishes; meanwhile, putting the shrimp fries in late 4 months, and controlling the specification and stocking density of the shrimp fries;
(4) after the shrimp larvae are put in the pond, water body disinfection is carried out by sprinkling quicklime every 20 days, water quality is adjusted by using microecologics such as EM (effective microorganisms), bacillus and the like, feeding amount is flexibly controlled according to the field storage amount, weather, water quality and the like of the shrimps, feeding is carried out for 1-2 times every day, the evening feeding is taken as a main time, and the feeding amount accounts for about 70% of daily feeding amount; meanwhile, collecting tender branches and leaves of the water spinach at certain intervals by adopting an intermittent collection mode; the crayfish can reach the market specification after being raised for about 2 months, and the crayfish can be caught by tools such as a crayfish cage and a ground cage;
the annular groove in the step (1) is 0.8-1 meter deep and 3-4 meters wide;
the organic fertilizer in the step (1) is decomposed livestock and poultry manure, crop straws and the like, and the using amount is 23-45 tons/hectare; the dosage of the compound fertilizer is 400-500 kg/ha;
the polyethylene plastic film with a certain specification in the step (2) is a polyethylene plastic film with the thickness of 0.2mm and the width of 60 cm;
controlling the specification and stocking density of the shrimp seedlings in the step (3), namely selecting the shrimp seedlings with the average body length of 3.5-4 cm, wherein the stocking density is about 5000 tails per mu;
flexibly grasping the feeding amount according to the field storage amount, weather, water quality and the like of the shrimps in the step (4), wherein the specific fed baits are products obtained by mixing and granulating 55% of commercial shrimp feed, 20% of minced fillet, 24% of corn flour and 1% of adhesive;
and (4) harvesting tender leaves of the water spinach at certain intervals by adopting an intermittent harvesting mode, wherein the harvesting time is 3 times in 6 months, and 6 times in 7 months and 8 months.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744308.5A CN108901962B (en) | 2018-07-09 | 2018-07-09 | Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744308.5A CN108901962B (en) | 2018-07-09 | 2018-07-09 | Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108901962A CN108901962A (en) | 2018-11-30 |
| CN108901962B true CN108901962B (en) | 2021-11-19 |
Family
ID=64424888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744308.5A Active CN108901962B (en) | 2018-07-09 | 2018-07-09 | Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108901962B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626056A (en) * | 2012-04-09 | 2012-08-08 | 中国水产科学研究院淡水渔业研究中心 | Method for breeding large-specification grown procambarus clarkii |
| CN106386302A (en) * | 2016-08-31 | 2017-02-15 | 陈冬林 | Rice and chicken lobster continuous mixing planting and breeding method capable of stabilizing grain income and increasing fishery income |
| CN107278744A (en) * | 2017-07-13 | 2017-10-24 | 长沙开拓农业科技有限公司 | A kind of flowers and fruits shrimp aquaculture method |
| CN107494093A (en) * | 2017-09-15 | 2017-12-22 | 永州市零陵区涧山稻虾共养专业合作社 | A kind of rice field shrimp rice co-planting method |
-
2018
- 2018-07-09 CN CN201810744308.5A patent/CN108901962B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626056A (en) * | 2012-04-09 | 2012-08-08 | 中国水产科学研究院淡水渔业研究中心 | Method for breeding large-specification grown procambarus clarkii |
| CN106386302A (en) * | 2016-08-31 | 2017-02-15 | 陈冬林 | Rice and chicken lobster continuous mixing planting and breeding method capable of stabilizing grain income and increasing fishery income |
| CN107278744A (en) * | 2017-07-13 | 2017-10-24 | 长沙开拓农业科技有限公司 | A kind of flowers and fruits shrimp aquaculture method |
| CN107494093A (en) * | 2017-09-15 | 2017-12-22 | 永州市零陵区涧山稻虾共养专业合作社 | A kind of rice field shrimp rice co-planting method |
Non-Patent Citations (1)
| Title |
|---|
| 水蕹菜两种收割式栽培在克氏原螯虾养殖中的增产效果;王山 等;《水产养殖》;20170630;22,24页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108901962A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101322266B1 (en) | Technology development of eco-culture by using paddy field in misgurnus anguillicaudatus | |
| CN106718451A (en) | The cultural method that a kind of paddy rice makees altogether with cray | |
| CN210900695U (en) | Celestial grass, crayfish, rice symbiotic culture system | |
| CN110476753B (en) | Celestial grass, crayfish, rice symbiotic culture system | |
| CN105052292B (en) | Comprehensive saline-alkali land improvement system and comprehensive saline-alkali land improvement | |
| CN110679416B (en) | Eel, toad and rice symbiotic breeding method | |
| CN109673436A (en) | A kind of plantation of green rice and fish polyculture method | |
| CN102939920A (en) | Intensive juvenile crab paddy field aquaculture mode | |
| CN109566498A (en) | A kind of method of red claw crayfish paddy field aquaculture | |
| CN106342619A (en) | Method for ecological breeding of rice field polyculture carp | |
| CN106922584A (en) | A kind of method of raising crabs in paddy field | |
| CN106613595A (en) | Factory-like rice-livestock-vegetable all-year circulation mechanized production method | |
| CN109452211A (en) | A kind of method of mixed breed cray in rice field | |
| CN112219660A (en) | Ecological planting and breeding method for rice and crabs | |
| CN114532265A (en) | Efficient comprehensive breeding and separating method for rice and shrimp | |
| CN110073924A (en) | A kind of method of mixed breed in rice field | |
| CN106233997A (en) | A kind of rice field-upland field rotation organic cultivation method of long season Fructus Capsici | |
| CN112493188A (en) | Rice and shrimp crop rotation ecological breeding method | |
| CN108901962B (en) | Aquaculture method for symbiosis of water spinach and crayfish and improvement of yield | |
| CN112471021A (en) | Paddy field-pond culture method for large river crabs in cold regions | |
| CN112042485A (en) | Strawberry paddy-upland rotation seedling raising method | |
| CN106258419A (en) | Autumn stubble Fructus Capsici and Semen Viciae fabae, early rice, Corm Eleocharitis crop rotation organic cultivation method | |
| CN110036847A (en) | A kind of breeding method of novel shrimp rice crop rotation | |
| CN112690236B (en) | Method for breeding large-size rice field river crabs | |
| CN109287395A (en) | A kind of method for growing vegetables |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |