CN108029603A - The button crab of HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting - Google Patents

The button crab of HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting Download PDF

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Publication number
CN108029603A
CN108029603A CN201710640653.XA CN201710640653A CN108029603A CN 108029603 A CN108029603 A CN 108029603A CN 201710640653 A CN201710640653 A CN 201710640653A CN 108029603 A CN108029603 A CN 108029603A
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crab
water
button
pond
supporting
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薄学锋
刘金明
袁玲
王慧彬
李建辉
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Dongying City Hengsheng Agricultural Science And Technology Co Ltd
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Dongying City Hengsheng Agricultural Science And Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/59Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

A kind of button crab the invention discloses HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting, its technical solution includes seven key links, i.e.,:(1)Build Kou Xietunyang areas;(2)Plant water plant;(3)Detain crab selection;(4)Button crab is put in a suitable place to breed;(5)Detain crab and launch pre-treatment;(6)Water level regulation;(7)Bait feeding.The present invention encloses form by improving pond Inner, strengthens the foster details in button crab grain bin, and both water plant normal growth early period efficiently for central table top provided a good ecological environment, once builds and encloses, is benefited for many years, in turn ensure that button crab health, safely Fast Growth.

Description

The button crab of HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting
Technical field
The present invention relates to strand aquaculture field, and in particular to a kind of HUANGHE ESTUARY steamed crab pond based on beach saline land The button crab of pool cultivation stores up the method for supporting.
Background technology
Steamed crab scientific name Eriocheir sinensis, is commonly called as river crab, eriocheir sinensis, crab etc., is the fresh water that yield is most in China's crab class Crab, its edible part contain abundant protein, fat, vitamin and mineral, have high nutrition, health care and medicinal valency Value.Steamed crab adaptability is very strong, and in China, distribution is very wide, and north has it from the Yalu River in Liaoning, south to the Lezhou Peninsula in Guangdong Figure, or even can also find its footprint away from Hubei Shashi of more than 1000 kilometers of ocean.Certainly change its course by Shandong Province the Yellow River The Dongying City of northeast is flowed into after the Bohai Sea, and Delta Region of The Yellow River begins to a large amount of distributions of steamed crab, and name says " HUANGHE ESTUARY Steamed crab ".
Dongying City is in -119 o10 ' of east longitude 118o07 ', north latitude 36o55 ' -38o10 ', and the whole city shares backbone in addition to the Yellow River 30, draining river, all communicates with the Bohai Sea, there is the NATURAL DISTRIBUTION of HUANGHE ESTUARY steamed crab.The March in annual December to next year, The degree of saltiness aqua region mate and oviposit that HUANGHE ESTUARY steamed crab crosses in fresh water from river mouth and seawater;With the growth and development of the young, inverse river On and, grown into inland freshwater.There is 2,300,000 mu of mud wetland in Yellow River Delta Nature Reserve, and water quality is excellent in area, It is pollution-free, containing a large amount of nutritive salt, for the Major Natural habitat of HUANGHE ESTUARY steamed crab, and HUANGHE ESTUARY steamed crab artificial breeding The source place of parent crab.HUANGHE ESTUARY steamed crab carapace is light greenish blue or isabelline, and belly is white, has dense sepia into the crab foot of a chela Fine hair, step bristle are golden yellow;Under the unique environments to cross in Haihe River, make HUANGHE ESTUARY steamed crab delicious meat, full of nutrition, cream Man Huangfei.HUANGHE ESTUARY steamed crab is undoubtedly the distinctive rare aquatic products kind of Yellow River System.According to another grinding for domestic related fisheries expert Study carefully, docosapentaenoic acid in the Changjiang river, the Yellow River, the wild steamed crab population hepatopancrease of three big water system of the Liaohe River and muscle(Mainly EPA and DHA)'s Clearly, by taking DHA accounts for the percentage of total fatty acids in female crab hepatopancrease as an example, Yellow River System is Yangtze River Water respectively to content difference 2.4 times, water-based 6.3 times of the Liaohe River of system, embody the nutritional advantages of Yellow River System steamed crab protrusion.
Dongying City is located at warm temperate zone Semi-humid area, belongs to continental monsoon climate, in rain heat same season, makes a clear distinction between the four seasons.Spring gas Temperature is gone up quickly, and 3-5 months, 3 months temperature on average increases to 18.9 DEG C by 3.2 DEG C.Summer, 3 months temperature luffings are not Greatly, 3 June, July, August monthly mean temperatures are respectively 22.1 DEG C, 24.9 DEG C and 25.9 DEG C.September to November, temperature on average from 20.8 DEG C are down to 5.3 DEG C.More 12.5 DEG C of average temperatures of the whole year, frost-free period are up to 206 days, about 4300 DEG C of >=10 DEG C of accumulated temperature.Luminous energy Aboundresources, average annual sunshine time 2692.5h, 123.6-127.6 kilocalories/cm of sun annual radiant all quality2.Annual precipitation 550- 600mm, focuses mostly on and accounts for the half of annual precipitation in summer, 7-8 monthly total precipitations.
The water source of Dongying City is mainly Huanghe water, and 138 ㎞ of the Yellow River Dongying section total length, enters 35,800,000,000 m of extra large average annual run-off3.It is yellow River is aboveground river, pollution-free, and water quality is excellent;PH value 8.0-8.3, belongs to alkalescent water;Total hardness 2.16-5.56, belongs to weak hard water; Salinity is 0.2-0.6g/L.1,000,000,000 m of average annual water diversion3Left and right.Huanghe water is introduced in Wall in Plain Reservoir by drawing yellow trunk canal, then is carried Enter and specifically use water place, and using rainwater as make-up water source.
Dongying City possesses soil face always 11,880,000 mu of product, wherein 1,860,000 mu of saline-alkali wasteland area, accounts for whole city soil Mian Zong faces Long-pending 15.7%, accounts for the 56.8% of whole city total cultivated area.Enter sea since the Yellow River carries a large amount of silts, salt is become by Seawater immersion Stain silt soil, constantly deposition, accumulate over a long period regression Cheng Lu, salinity is assembled earth's surface through evaporation.Meanwhile tidewater invasion charging point Lower water, participates in salt accumulation in soil process, forms typical beach saline land.
To efficiently use the sunlight-heat reaources of local abundance and abundant Yellow River Water Resources, Dongying City aims at large area salt alkaline wasteland Ground, greatly develops freshwater aquiculture.1992, Dongying City carried out the nursery of HUANGHE ESTUARY steamed crab and culture experiment succeeds, and starts The beginning of Delta Region of The Yellow River steamed crab cultivation.HUANGHE ESTUARY steamed crab is the distinctive famous-brand and high-quality aquatic products in Delta Region of The Yellow River Product, by cultivation and campaign activities for years, brand recognition and the market competitiveness are constantly lifted.The big lock of HUANGHE ESTUARY Crab successively wins China's Agricultural geographical sign, ranks among " the big fishery brand in Shandong Province ten ", continues to hold a post or title " Chinese ten big crabs ";Sale Market is also extended to multiple provinces and cities such as Zhejiang, Jiangsu, Guizhou, Hebei, Beijing, Shanghai, Tianjin, Chongqing, product in 2016 from Shandong List price value has reached 16.30 hundred million yuan.In recent years, Shandong Province has blowed the assembly number for strengthening brand building, causes what the whole nation was paid close attention to It is:There are 27 specific famous brands to write into what on 2 6th, 2017 Shandong Province governor Guo Shu were made clearly《The government work report》, And far-famed HUANGHE ESTUARY steamed crab brand is exactly one of them.Dongying City has developed into the big lock of Yellow River basin maximum Crab production base, HUANGHE ESTUARY steamed crab become the Variety comprehensive and brand of Dongying City culture fishery, become and promote Dongying fishery Synergy and the pillar industry of fisherman's increased income.
But in the HUANGHE ESTUARY steamed crab pond culture evolution of Dongying City, specification is less than normal to annoying the strong of industry always Greatly.Relative to small dimension crab, big specification crab is not only sold unobstructed, but also price also has comparative advantage.It is big to improve HUANGHE ESTUARY The culture benefit of lock crab, it is necessary to realize by " big crab farming " to the transformation of " bringing crab up ".
The reason for being learnt by serious analysis, causing HUANGHE ESTUARY steamed crab pond culture specification less than normal be it is many, its In a most important reason be exactly without a kind good water plant.There is a common saying say must well:" crab size, see water plant ".
A certain number of water plants are planted in cultivating pool, the growth and activity for HUANGHE ESTUARY steamed crab have important meaning Justice.First, water plant is full of nutrition, it is the high-quality natural bait of HUANGHE ESTUARY steamed crab eating.Second, water plant purifies water.Water plant The fertilizer point in water is absorbed, is purified water, keeps water body pure and fresh, enhances the transparency;Water plant discharges oxygen by photosynthesis, Increase oxygen in water, good condition of water quality is provided for the growth of HUANGHE ESTUARY steamed crab.Third, water plant adjusts pond water temperature. In torridity summer, water plant can sunshading and temperature reducing, provide a suitable growing environment for the growth of HUANGHE ESTUARY steamed crab, and control Its sex premature, extends its growth phase.Fourth, water plant is conducive to seeking connections with and hiding for HUANGHE ESTUARY steamed crab.HUANGHE ESTUARY steamed crab is sloughed off It can be sought connections with during shell and body is fixed on water plant, shorten the shell time, reduce physical demands, and can hide under water plant and reduce natural enemy Infringement.Fifth, water plant, which is conducive to HUANGHE ESTUARY steamed crab, reduces disease, edible quality is improved.
In view of importance of the water plant to HUANGHE ESTUARY steamed crab, it is necessary to allow water plant to grow by every means.Pond center table top kind Although the water plant of plant has stronger power of regeneration, if just start growth when just eaten up by steamed crab, be also be difficult to it is extensive Multiple.Therefore, protection work early period of water plant, which seems, is even more important.Way general at present is that inside circumference digs ring in pond Ditch is enclosed with net and pond center table top fences up as Kou Xietunyang areas, treat by the end of May to June at the beginning, the water plant on central table top There is certain increment, then removed net and enclose, button crab has been put into big pond.This way also plays protection water really The effect of grass, but the defects of can not be ignored there is also some, when need to lay again every year, it is necessary to expend suitable manpower and Material resources, cost are higher;Mud is easily dug when net encloses second, removing, reduces water transparency.In addition, button crab stores up foster specific side There is also the problem of extensive management in terms of method.
The content of the invention
To overcome defect and deficiency existing in the prior art, the present invention provide a kind of construction cost it is low, to water body without bad Influence, the button crab for the HUANGHE ESTUARY steamed crab pond culture based on beach saline land that management measure compares specification stores up the method for supporting.
Technical scheme includes following key technique:
(1)Build Kou Xietunyang areas
1. inside circumference digs the circular groove base foster as button crab grain bin, i.e. Kou Xietunyang areas in pond;
2. for Kou Xietunyang areas and central table top are kept apart, a part for circular groove institute earth excavation is stacked in circular groove and central station The boundary area in face, forms a circle soil and builds interior enclose;
3. outwards escaping for anti-clamping crab, escaping-preventing facilities are set in pond periphery;
(2)Plant water plant
1. the selection of water plant:When selection local pool NATURAL DISTRIBUTION, cold-resistant water caltrop and Zannichelliaceae, second, selection originates in North America The low temperature resistant waterweed in continent;
2. it is that water plant just accumulates certain increment before button crab is put in a suitable place to breed, in plantation water caltrop, Zannichelliaceae on circular groove slope at the beginning of 3 months And waterweed;
(3)Detain crab selection
1. using local one age of the HUANGHE ESTUARY steamed crab button crab cultivated;
2. quality requirement:Neat specification, disease-free, constitution is good, energetic, no amputation, no sex premature;
(4)Button crab is put in a suitable place to breed
1. put the time in a suitable place to breed:In early and middle ten days in March, water temperature, which reaches 4-8 DEG C, to put in a suitable place to breed;
2. detain crab specification:100-200 Zhi/㎏;
3. stocking rate:Calculated by the cultivation water purification face in whole pond, launch 800-1000 per acre only, temporarily supported to store up in pond button crab and support Area;
(5)Detain crab and launch pre-treatment
1. button crab is first soaked 2-3 minutes in water, take out after ten minutes, place into water and soak 2-3 minutes, further take out flat Put, so repeat again to prepare into pond for 2-3 times;
2. before button crab enters pond, also to carry out examination water conservancy project and make;
(6)Water level regulation
1. detain water level 0.7-0.8 m after crab is launched;
2. water level rises to 0.9-1.0 m when second of shell starts;
3. second of shell is nearly completed, water level is raised at the top of circular groove 0.2 m above;
4. water level is raised to soil when third time shell rate reaches 10% builds 0.1 m more than at the top of interior enclose;
(7)Bait feeding
1. feeding daily once, the time is at dusk 18:00-19:00;
2. feeding the grains dedicated bait of steamed crab after button crab pond-inputting, its day feeding volume accounts for the 3%-5% of crab weight.
Above-mentioned technical proposal can be further optimized for:
The link(1)The wide 5-10 m of circular groove, the gradient 1: 2.5-3.0, depth 0.9-1.1m.
The link(1)Soil build in enclose wide 1.5-2 m, high 0.4-0.6 m.
The link(1)Escaping-preventing facilities be a kind of enclosing that thickening film for being mainly 0.05-0.1mm by thickness is formed Device, i.e.,:A timber is found at 0.5-1.0 m on Chi Ba, timber top is connected with iron wire;It will consolidate on film along with iron wire Fixed, lower end is buried in the earth 0.2m or so;Corner is arc-shaped;The earth dyke of 1.0-2.0m is reserved on the inside of film.
The link(2)Water caltrop, Zannichelliaceae and waterweed on circular groove slope respectively plant a line, its row to circular groove length Direction is parallel, and line-spacing is in 0.3-0.5 m.
The water caltrop, Zannichelliaceae and waterweed, which use, root strong sprout, height of seedling 0.2-0.3m.
The water caltrop, Zannichelliaceae and waterweed are planted by hill spacing 0.3-0.4m, it is desirable to insert 8-12 plants of strong sprout, Miao Gen in cave Bury anti-floating.
The trench digging bar organic fertilizer of position of center line in the ranks in the growth belt, applies rear earthing.
The organic fertilizer is the Chicken dung to be fermented with EM bacterium, and mu applies 50 ㎏.
The link(5)Examination water conservancy project make, its method is:30 button crabs, which are filled, with 20 mesh net cages is placed on water leeward 24h, If detain crab without it is uncomfortable, without death, just illustrate water safety, crab can be put and enter pond.
The present invention encloses form by improving pond Inner, strengthens the foster details in button crab grain bin, has both been efficiently the water plant of central table top Early period, normal growth provided a good ecological environment, once builds and encloses, is benefited for many years, in turn ensure that button crab health, safety Ground Fast Growth.
Brief description of the drawings
Fig. 1 is laid out schematic top plan view for pond of the present invention;
In figure:1- dykes and dams, 2- circular grooves, 3- soil build in enclose, 4- centers table top, 5- water inlets, 6- discharge outlet.
Embodiment
Technical scheme and principle are described in detail below.
The button crab of HUANGHE ESTUARY steamed crab pond culture stores up the method for supporting, including following key technique:
1. build Kou Xietunyang areas.
Referring to attached drawing 1, the inner side surrounding in pond digs circular groove 2 and stores up foster base, i.e. Kou Xietunyang areas as button crab;From ring The earthwork digged up in ditch 2 with one part except for constructing dykes and dams 1, being also stacked between circular groove 2 and central table top 4 Boundary area, with the circle of structure one by the soil that Kou Xietunyang areas keep apart with central table top build in enclose 3;Pair of dykes and dams 1 in pond Angular range sets water inlet 5, discharge outlet 6 respectively, in favor of the overall flow of water body;The width of circular groove 2 is 5-10m;The gradient is 1∶2.5-3.0;Depth is 0.9-1.1m, wherein, close to water inlet 5, nearby depth is 0.9 m, then to two edge circular groove directions Gradually deepen, reaching discharge outlet 6, nearby depth is 1.1m, is so conducive to draining.Washed away by current to prevent and play conscientiously Prevent button crab from entering the effect of central table top 4, soil build in enclose 3 width and be set to 1.5-2 m, be highly set to 0.4-0.6 m, it is desirable to Size is consistent, soil layer compacting.
To tackle the escape habit of steamed crab, escaping-preventing facilities are set in pond periphery.Escaping-preventing facilities are one kind mainly by thickness The enclosure device for thickening film and forming for 0.05-0.1mm is spent, i.e.,:A wood is found at 0.5-1.0 m on pond dykes and dams 1 Stake, timber top is connected with iron wire;By, along being fixed with iron wire, lower end is buried in the earth 0.2m or so on film;Corner is in circular arc Shape;The earth dyke of 1.0-2.0m is reserved on the inside of film.
2. kind of plant water plant
On the selection of water plant, first, local pool NATURAL DISTRIBUTION, cold-resistant water caltrop and Zannichelliaceae are selected, second, selection originates in north The low temperature resistant waterweed in America.
Water caltrop is the local perennial heavy water herbaceous plant of Dongying, and stem is oblate, has branch;Leaf lanceolar;Inflorescence spike; The flowering fruit bearing stage 4-7 months.By observing for many years, water caltrop low-temperature resistance, vitality is vigorous, is the water plant kind of HUANGHE ESTUARY steamed crab eating.
Zannichelliaceae is the local perennial heavy water plant sheet of Dongying, and stem branch is more, and leaf is linear.By observing for many years, Zannichelliaceae Salt tolerance and lower temperature resistance are all very strong, are the water plant kinds of HUANGHE ESTUARY steamed crab eating.
Waterweed is a kind of high-quality, fast-growing, high yield, submerged plant low temperature resistant, full of nutrition, is known as submerged plant Tender son.Waterweed adaptive faculty is extremely strong, and water temperature can be grown more than 5 DEG C, and winter is overwintering with trophosome in subglacial, is very suitable for me The pond plantation of state's northern area.
For button crab put in a suitable place to breed before water plant just accumulate certain increment, at the beginning of 3 months on circular groove slope by water caltrop, Zannichelliaceae A line is respectively planted with waterweed, its row is to parallel with circular groove length direction, and line-spacing is in 0.3-0.5 m.To promote early hair fast long, the marshland full of water weeds Grass, Zannichelliaceae and waterweed have root strong sprout to plant using height 0.2-0.3m, and strong sprout 8-12 is inserted in hill spacing 0.3-0.4m, cave Strain, it is desirable to which seedling root buries anti-floating.
To ensure demand of the water plant growth to nutrient, in the trench digging bar organic fertilizer of position of center line in the ranks, rear earthing is applied.Have The Chicken dung that machine fertilizer is fermented using EM bacterium, mu apply 50 ㎏.
The nutrient content of 1 chicken manure of table(%)
Organic matter Nitrogen(N) Phosphorus(P2O5 Potassium(K2O)
25.5 1.63 1.54 0.85
Referring to table 1, chicken manure nutrition is comprehensive, and the chicken manure to ferment by the EM bacterium made of composite flora is decomposed fully, utilizes Rate is high, does not ruin water quality.
3. detain crab selection.
(1)One age of the HUANGHE ESTUARY steamed crab button crab cultivated using locality makees crab species.
(2)Quality requirement:Neat specification, disease-free, constitution is good, energetic, no amputation, no sex premature.
4. button crab is put in a suitable place to breed
The time is put in a suitable place to breed in early and middle ten days in March, 4-8 DEG C of water temperature.It is 100-200 Zhi/㎏ to detain crab specification.Stocking rate presses whole pond Cultivation water purification face calculate, per acre launch 800-1000 only, temporarily support in pond Kou Xietunyang areas.
5. detaining crab launches pre-treatment
Button crab is first soaked 2-3 minutes in water, is taken out after ten minutes, is placed into water and soak 2-3 minutes, further take out and keep flat, So repeat again to prepare into pond for 2-3 times.Before button crab enters pond, also to carry out examination water conservancy project and make, its method is:With small yarn tulle case Fill 30 button crabs and be placed on water leeward 24h, if button crab without it is uncomfortable, without death, just illustrate water safety, crab can be put and entered Pond.
6. water level regulation
Water level 0.7-0.8 m after crab is launched are detained, water level rises to 0.9-1.0 m when second of shell starts, and second of shell connects During nearly completion, water level is raised to more than circular groove top surface 0.2 m, water level is raised to soil when third time shell rate reaches 10% More than top 0.1 m is enclosed in building.It is so incremental, allow button crab to carry out sufficient preparation to adapt to pond waters overall situation.
7. bait feeding
(1)Feed once daily, the time is at dusk 18:00-19:00.
(2)The grains dedicated bait of steamed crab is fed after button crab pond-inputting, its day feeding volume accounts for the 3%-5% of crab weight.

Claims (10)

1. the button crab of the HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting, it is characterised in that including following Key technique:
(1) Kou Xietunyang areas are built
1. inside circumference digs the circular groove base foster as button crab grain bin, i.e. Kou Xietunyang areas in pond;
2. for Kou Xietunyang areas and central table top are kept apart, a part for circular groove institute earth excavation is stacked in circular groove and central station The boundary area in face, forms a circle soil and builds interior enclose;
3. outwards escaping for anti-clamping crab, escaping-preventing facilities are set in pond periphery;
(2) water plant is planted
1. the selection of water plant:When selection local pool NATURAL DISTRIBUTION, cold-resistant water caltrop and Zannichelliaceae, second, selection originates in North America The low temperature resistant waterweed in continent;
2. it is that water plant just accumulates certain increment before button crab is put in a suitable place to breed, in plantation water caltrop, Zannichelliaceae on circular groove slope at the beginning of 3 months And waterweed;
(3) crab selection is detained
1. using local one age of the HUANGHE ESTUARY steamed crab button crab cultivated;
2. quality requirement:Neat specification, disease-free, constitution is good, energetic, no amputation, no sex premature;
(4) button crab is put in a suitable place to breed
1. put the time in a suitable place to breed:In early and middle ten days in March, water temperature, which reaches 4-8 DEG C, to put in a suitable place to breed;
2. detain crab specification:100-200 Zhi/㎏;
3. stocking rate:Calculated by the cultivation water purification face in whole pond, launch 800-1000 per acre only, temporarily supported to store up in pond button crab and support Area;
(5) detain crab and launch pre-treatment
1. button crab is first soaked 2-3 minutes in water, take out after ten minutes, place into water and soak 2-3 minutes, further take out flat Put, so repeat again to prepare into pond for 2-3 times;
2. before button crab enters pond, also to carry out examination water conservancy project and make;
(6) water level regulation
1. detain water level 0.7-0.8m after crab is launched;
2. water level rises to 0.9-1.0m when second of shell starts;
3. second of shell is nearly completed, water level is raised to above 0.2m at the top of circular groove;
4. water level is raised to soil when third time shell rate reaches 10% builds above 0.1m at the top of interior enclose;
(7) bait feeding
1. feeding daily once, the time is at dusk 18:00-19:00;
2. feeding the grains dedicated bait of steamed crab after button crab pond-inputting, its day feeding volume accounts for the 3%-5% of crab weight.
2. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 1 based on beach saline land stores up the method for supporting, It is characterized in that, the wide 5-10m of circular groove of the link (1), the gradient 1: 2.5-3.0, depth 0.9-1.1m.
3. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 1 based on beach saline land stores up the method for supporting, It is characterized in that, the soil of the link (1) build in enclose wide 1.5-2m, high 0.4-0.6m.
4. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 1 based on beach saline land stores up the method for supporting, Formed it is characterized in that, the escaping-preventing facilities of the link (1) are a kind of thickening film for being mainly 0.05-0.1mm by thickness Enclosure device, i.e.,:A timber is found at 0.5-1.0m on Chi Ba, timber top is connected with iron wire;By edge and iron on film Silk is fixed, and lower end is buried in the earth 0.2m or so;Corner is arc-shaped;The earth dyke of 1.0-2.0m is reserved on the inside of film.
5. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 1 based on beach saline land stores up the method for supporting, It is characterized in that, water caltrop, Zannichelliaceae and the waterweed of the link (2) on circular groove slope respectively plant a line, its row to circular groove Length direction is parallel, and line-spacing is in 0.3-0.5m.
6. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 5 based on beach saline land stores up the method for supporting, It is characterized in that, the water caltrop, Zannichelliaceae and waterweed, which use, root strong sprout, height of seedling 0.2-0.3m.
7. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 6 based on beach saline land stores up the method for supporting, It is characterized in that, the water caltrop, Zannichelliaceae and waterweed are planted by hill spacing 0.3-0.4m, it is desirable to cave insert 8-12 plants of strong sprout, Seedling root buries anti-floating.
8. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 7 based on beach saline land stores up the method for supporting, It is characterized in that, in the ranks ditching organic fertilizer in water plant, rear earthing is applied.
9. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 8 based on beach saline land stores up the method for supporting, It is characterized in that, the organic fertilizer is the Chicken dung to be fermented with EM bacterium, mu applies 50 ㎏.
10. the button crab of the HUANGHE ESTUARY steamed crab pond culture according to claim 4 based on beach saline land stores up the method for supporting, It is characterized in that, the examination water conservancy project of the link (5) is made, its method is:30 button crabs, which are filled, with 20 mesh net cages is placed on water leeward 24h, if button crab without it is uncomfortable, without death, just illustrate water safety, crab can be put and enter pond.
CN201710640653.XA 2017-07-31 2017-07-31 The button crab of HUANGHE ESTUARY steamed crab pond culture based on beach saline land stores up the method for supporting Pending CN108029603A (en)

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