CN109757322A - A cyclic planting and breeding system for rice, fish and shrimp and method for planting and breeding rice, fish and shrimp - Google Patents
A cyclic planting and breeding system for rice, fish and shrimp and method for planting and breeding rice, fish and shrimp Download PDFInfo
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- CN109757322A CN109757322A CN201910198944.7A CN201910198944A CN109757322A CN 109757322 A CN109757322 A CN 109757322A CN 201910198944 A CN201910198944 A CN 201910198944A CN 109757322 A CN109757322 A CN 109757322A
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Abstract
本发明公开了一种稻渔虾循环种养系统，系统将池塘分隔成养殖区、畅水区、田板、敞水缓冲区；养殖区包括多个纵向并排的养殖水槽，畅水区位于养殖区出水端，畅水区池底低于养殖区底部；敞水缓冲区位于养殖区进水端，敞水缓冲区池底低于养殖区底部；田板环绕养殖区、畅水区和敞水缓冲区呈“凹”字形，在田块边缘沿塘埂开挖环沟；设置第一隔水带将田块分割成稻虾种养区和生态净化区；自距离池塘塘埂端较远的养殖区进水端、沿水流方向设置第二隔水带使得水体沿养殖区、畅水区、稻虾种养区、生态净化区和敞水缓冲区呈O型循环流动。本发明解决了高密度养殖的尾弃物的处理和稻田综合种养系统的施肥问题，实现了系统资源的高效利用，尾水、尾弃物零排放。
The invention discloses a circulatory planting and breeding system for rice, fish and shrimp. The system divides a pond into a breeding area, a clear water area, a field board and an open water buffer area; At the water outlet of the area, the bottom of the pool in the open water area is lower than the bottom of the aquaculture area; the open water buffer area is located at the inlet end of the aquaculture area, and the bottom of the open water buffer area is lower than the bottom of the aquaculture area; the field board surrounds the aquaculture area, the open water area and the open water area. The buffer zone is in the shape of a "concave", and a ring ditch is excavated along the pond ridge at the edge of the field; the first water barrier is set to divide the field into a rice and shrimp breeding area and an ecological purification area; A second water barrier is set at the inlet end of the aquaculture area and along the direction of the water flow, so that the water body flows in an O-shaped circulation along the aquaculture area, the smooth water area, the rice and shrimp breeding area, the ecological purification area and the open water buffer area. The invention solves the problems of disposal of tail wastes in high-density cultivation and fertilization of the integrated planting and breeding system in paddy fields, realizes efficient utilization of system resources, and zero discharge of tail water and tail waste.
Description
Technical field
The invention belongs to aquaculture field, it is related to a kind of rice fishing shrimp circulation breeding system and rice fishing shrimp species supports method.
Background technique
The major way of China's aquaculture has pond culture, cage culture, big water surface aquaculture, batch production (facility) to support
It grows.Existing aquaculture mode water resource, soil (waters) resource, feed resource effective use in terms of, and supporting
Imperial environment influences and influences environment aspect there is also different degrees of problem, and extensive growth pattern has faced biggish ring
The multi-party surface pressure such as border, policy, society, there is an urgent need to implement necessary transformation.
The problem of pond culture:
(1), excellent breed variety lacks
Aquaculture kind is mostly to change without the wild type of the genetic improvement of family's process to environment temperature etc. at present
Adaptability is stronger, but more shows as the bad adaptability changed to breeding environment, such as variable density, nutritional condition, pathogen
Infringement and the water environment of deterioration etc..Cultivation scale and benefit have uncontrollability.
(2), fisheries water carrying capacity of environment is aggravated
China fishery biologic environment is worsening, on the one hand, largely rich in organic matter, inorganic nitrogen and phosphorus and organic agricultural chemicals
Industrial or agricultural sewage enters Cultivated water, and cultivation water is caused to deteriorate, and seriously affects the existence and growth of cultivation type；Another party
Face, with the intensification of aquaculture intensive degree, a large amount of residual baits and aquatic livestock excreta also accelerate water body endogenous
Pollution.The breeding water body of eutrophication aggravation simultaneously needs replacing new water, and tail water needs to discharge, and not only wastes valuable fresh water
Resource also exacerbates the environmental pressure in the waters such as surrounding lakes, river.
Currently, domestic existing industrial aquaculture is primarily adapted for use in industrial aquaculture, by a large amount of infrastructure construction,
High investment high risk, operating cost is high, and tail water purification is at high cost, and the pond culture failed with large area is effectively combined, raw
It is gradually eliminated in production.
The development level indication of the industrialized development trend of society and the advanced aquaculture model in the world, pond ecological industrialization
Circulating water cultivation by be the following aquaculture important model, be recycling as core feature after purifying with breeding water, economize on electricity,
It is water-saving, save land, realize aquatic products equilibrium listing, cultivation tail water qualified discharge even zero-emission.Based on this, applicant proposed
" a kind of pond (rice fishing) Ecological Industrial circulating water cultivation and purification system ", realize high-density breeding waste renewable resources and
Palingenesis.The basic framework that the system high-density cultivation flume is connected and composed by ferrochrome gas welding, basic framework bottom surface and
The side of left and right two is laid with polyethylene canvas, although cost is relatively low for polyethylene canvas, easy to aging, service life is limited, wound
Fish body；In addition, the system is provided with power 2.2kW diving on the outside of the water inlet of each sink pushes away aerator in water to push water
Stream, energy consumption is high and water flow synergy is relatively inefficient, is easy to deposit residual bait and excreta on polyethylene canvas surface, influences sink
Interior water quality.
Summary of the invention
It is an object of the invention to be directed to existing aquaculture mode, the deficiency of rice field plant breeding model, a kind of rice fishing is provided
Shrimp recycles breeding system, unit Land Economic output is improved, using " high-yield and high-efficiency aquaculture model+rice shrimp Eco-breeding pattern "
Aggregative model carries out purified treatment to cultivation tail water using rice, to make list on the basis of high density efficient cultured fishes
Plane ponding domain output improves, and reaches the unification of environmental benefit and economic benefit, realizes breeding production process water quality reaching standard, supports
Grow water zero discharge.
The purpose of the present invention is what is be achieved through the following technical solutions:
Pond is separated into along water (flow) direction and is used for high-density breeding fish by a kind of rice fishing shrimp circulation breeding system, the system
Culture zone 1, smooth pool 2, field plate, spacious water buffer area 8；The culture zone 1 is close to pond Tang Geng, including multiple longitudinal directions are side by side
Cuboid cultivation flume, the smooth pool 2 is located at culture zone water outlet, the spacious water buffer area 5 be located at culture zone into
Water end (W.E.)；The field plate is in concave around the culture zone 1, smooth pool 2 and spacious water buffer area 8, on field edge edge
Excavate circular groove in the pool ridge；Along culture zone water inlet end, in culture zone, apart from pond Tang Geng, the first water proof band 6 is arranged by field in side farther out
It is divided into rice shrimp species to support area and ecological purification area；It is set from apart from farther away 1 water inlet end of culture zone in pond pool ridge end, along water (flow) direction
It sets the second water proof band 7 and makes that water body supports area along culture zone 1, smooth pool 2, rice shrimp species, ecological purification area and spacious water buffer area 8 are in
" O " type circulates.
The ratio between described cultivation flume length is about 8.8:2:1.Specifically, cultivation flume specification is (outside dimension):
Long 22m, width 5m, high 2.5m.
The cultivation flume includes basic framework, is laid with stainless steel in the bottom of basic framework and the side of left and right two
Plate, vertical water fender 10, which is arranged, in sink water inlet end bottom prevents cultivation flume water inlet end return water, and edge is set along water fender 10
It sets water inlet end grid 11 and plays a dual role of unimpeded cultivation flume water flow and block, set on the outside of the water fender 10 of cultivation flume
There is the cloth gas tank 12 of open topped, the horizontal air supply pipe 13 supplied by the air blower for being placed in ridge be equipped in 12 lower part of cloth gas tank,
More equidistant L shape gas distribution pipes 14 are equipped at the top of air supply pipe, the gas outlet of gas distribution pipe 14 is higher than on water fender along simultaneously direction
Cultivation flume；Gas distribution pipe in culture zone pushes away water by same air blower (blower power 5.5kW), and water is pushed to flow through leading portion
Filter net sheet enters cultivation flume longitudinal flow, and plays the role of increasing dissolved oxygen amount；In the equidistant laying in cultivation flume bottom
Micropore aeration pipe 21, so that full slot water body dissolved oxygen is balanced；Gas distribution pipe, micropore aeration pipe are supplied by air blower independent,
Maintain dissolved oxygen in water in 6~7mg/L；In cultivation flume water outlet, water outlet grid 15 is set.
The water fender 10 is highly about the 2/5~1/2 of cultivation flume height, and width is wide with sink.The cloth
The gas outlet of tracheae 14 is higher than on water fender along 0.15~0.3m, preferably 0.2m.In specific technical solution, the gear
10 height of water plate is 1~1.25m.
Gas distribution pipe is placed in cloth gas tank by the present invention, reduces water flow to the impact force of gas distribution pipe.The gas distribution pipe 14
Vertical tube connect with gas distributionbranch pipe 13, the transverse tube of gas distribution pipe stretches out cloth gas tank 12.
The quantity of the gas distribution pipe 14 is 5~8, preferably 6.
The air supply pipe 13 that each cultivation flume is equipped with is connected to the air supply header of air blower, is set at the air inlet of air supply pipe 13
There is valve for controlling the switch of gas distribution.
The optimal technical scheme that micropore aeration pipe is laid as the present invention, along the longitudinally disposed appendix 20 of cultivation flume, edge
The equidistant laying micropore aeration pipe 21 of appendix makes it be layed in cultivation flume bottom, 21 spacing of adjacent two micropore aeration pipes
2m.Appendix in culture zone is supplied by same air blower (blower power 3.5kW).
It installs and removes for the ease of mesh sheet, card is respectively set in the left and right side walls of the cultivation flume into and out of water end (W.E.)
Slot, for fixing water inlet end grid, water outlet grid.
The card slot is obtained on side wall using the square tubes soldering of stainless steel material.Preferably, in the cultivation water
Two column card slots are respectively set in the left and right side walls of slot into and out of water end (W.E.), and two layers of water inlet end grid is arranged in cultivation flume water inlet end,
Two layers of water outlet grid is arranged in cultivation flume water outlet.
The water inlet end grid, water outlet grid are the stainless steel steel wire of mesh 1.5cm × 1.5cm.
In being laid with respectively into and out of water end (W.E.), between the closer cultivation flume in the pond pool ridge and the pond pool ridge for culture zone
Glass-fiber reinforced plastic grille forms pavement 9.Further, it is laid with glass-fiber reinforced plastic grille between two neighboring cultivation flume and forms pavement 9.
The basic framework is welded by 304 stainless steel tubes, and bottom end is fixed on pond bottom.
It is equipped with device for feeding fish bait in each cultivation flume front end, fan shape baffle is equipped in front of the bait outlet of device for feeding fish bait, is fanning
It is equipped with rectangle baffle above shape baffle, exports feed from below inside accurate screw clamp, prevents device for feeding fish bait from feed being dished out
Cause to waste outside sink.
Disinfection hanging bag is hung in the leading portion of cultivation flume.
Spacious water buffer area 8 and smooth pool 2 is respectively set into and out of water end (W.E.) in culture zone 1, the not breeding in addition to cultivating phytoplankton
Other animals and plants build nature water surface oxygen-enriched state, are conducive to water body circulation, exchange before and after sink.The bottom of pond in the smooth pool 2
Lower than 1 bottom of culture zone in favor of installing dirt collecting bucket, while being conducive to remaining fish excreta, residual bait in the water outlet of culture zone and carrying out
Natural subsidence is to purify water；Further, eel grass and local indigenous water plant can be broadcasted sowing naturally in the smooth pool 2.Institute
The bottom of pond for the spacious water buffer area 8 stated, to prevent mud particle from entering culture zone 1 with water flow, opens water buffering lower than 1 bottom of culture zone
Area 8 is unobstructed and covers, and is easier to cultivate a large amount of phytoplanktons, enhances photosynthesis, improves water body itself dissolved oxygen amount, is culture zone
The running water source for being rich in primary productivity is provided.
For the plane of the field plate lower than 0.8~1.0m at the top of the ridge of the pool, the upper plane of the circular groove 5 is wide to be not less than 10m,
The bottom of trench of circular groove is lower than field plate plane 1.5m~2m；The culture zone bottom is lower than 60~80cm of circular groove bottom；Described is smooth
The bottom of pond in pool 2 is lower than 1 60~70cm of bottom of culture zone；The bottom of pond of the spacious water buffer area 8 is lower than 1 bottom of culture zone
20cm；By being transformed to pond, can not only guarantee the unobstructed of cultivation flume flowing water, at the same can according to plantation situation,
It flows water body only along circular groove, growth of the field plate compared with low water level in favor of water plant is tedded or retained to field plate.
Water plant is planted in the slope surface around the circular groove 5 of rice shrimp species growing area 3, circular groove depth of water 1.5m or more is predominantly cultivated
Lobster provides good growth, habitat, and summer near-bottom temperature is low, advantageously reduces high temperature risk, improves cray yield
And quality, and one of the holophytic nutrition source as cray, while reaching the double action to purify water；It is supported in rice shrimp species
3 rice cultivation of area, rice breeding area water table aquifer not only has a large amount of biological feed resources, while providing shade for cray, mentions
The growing environment in similar natural beach waters is supplied, activity of the cray in rice field helps to remove pest under rice field, miscellaneous
Grass and sick leaf loosen the soil and increase fertilizer for rice field, the water body free exchange of circular groove and field plate, the solid waste that culture zone is discharged
Root system absorption through rice prosperity, directly turns waste into wealth, is fertilizer needed for paddy growth, is converted into green safe rice；
3 corresponding pool ridge surrounding of area being supported along rice shrimp species, anti-escape wall being set, anti-escape wall bottom is inserted in the slope surface of circular groove, makes the bottom of anti-escape wall
Portion is immersed in the water when circular groove fills the water, and is prevented cray from reaching close to the circular groove slope surface at the top of the ridge of the pool, is avoided flight of burrowing；In rice
Shrimp species, which support area and the circular groove setting separation net of ecological purification area intersection, prevents lobster from entering ecological purification area.
Preferably, the anti-escape wall is selected from plastic wire or calcium-plastic board；The separation net is plastic wire.
In 8 kinds of the ecological purification area plant emergent aquactic plant；The emergent aquactic plant is lotus lotus root, the line-spacing of lotus lotus root is 1~
1.5 meters, spacing in the rows is 1~1.5 meter, and the annual end of the year removes the lotus root of diffusion；Further, in the ecological purification area intercropping silver carp
Fish and bighead, 10 tails of silver carp/mu, specification 200g~400g/ tail, 5 tails of bighead/mu, specification 200g~400g/ tail reach quotient for the year
Product specification.
The area ratio that area 3 is supported in the culture zone 1 and rice shrimp species is 1:20~30, and the rice shrimp species support area 3 and ecology
The area ratio of purifying area 4 is 5~6:1.
The rice fishing shrimp circulation breeding system further includes soil pick-up drainage, and the soil pick-up drainage includes dirt collection
Slot 16, sewage pipe, three-level sedimentation basin；The sewage sump 16 is located at cultivation flume water outlet for collecting residual bait, fish excretion
Object, on sewage sump along lower than on cultivation flume along (on sewage sump along height be about along cultivation flume along the 1/2 of height), sewage sump
It is in the dirt collection of falling square cone funnel 17 that 16 bottoms, which are equipped with multiple, is equipped with sewage draining exit in 17 bottom of dirt collection funnel, sewage draining exit is through sewage pipe
It is connect with the water inlet of three-level sedimentation basin；The three-level sedimentation basin includes that sequentially connected first order sedimentation basin, the second level are heavy
Shallow lake pond and third level sedimentation basin, three sedimentation basins are co-walled two-by-two, on first order sedimentation basin and the co-walled side wall of second level sedimentation basin
Along overflow port is equipped with, second level sedimentation basin and the co-walled sidewall bottom of third level sedimentation basin are equipped with water outlet, third level sedimentation basin
Supernatant spill over paddy field aquaculture area, avoid sludge be directly discharged into rice field cause sludge impact rice field and rice field in somewhere COD mistake
Height, end of the year production terminate periodic cleaning three-level and precipitate bottom of pond portion solid waste, are sprinkled into rice shrimp species and support area as rice field base manure.
Preferably, each cultivation flume is correspondingly arranged 4 dirt collection funnels, can not only reduce the depth of bottom end funnel installation
Degree, is effectively reduced material and construction cost, while can effectively improve residual bait in tail water, the collection rate of excrement.Every two cultivation
The dirt collection funnel of sink is connected with same root sewage pipe.
The three-level sedimentation basin is located at rice shrimp species and supports area, is brick mix structure, does not place settled material in pond, allows deposit
Natural subsidence, waste water directly overflow into irrigation of paddy fields fertilising.The overall length of the three-level sedimentation basin is 6~9m, width 3m, depth
1.2~1.5m, the first order sedimentation basin, second level sedimentation basin and third level sedimentation basin are isometric.In order to make three-level sedimentation basin
The supernatant that overflow goes out realizes that circulation obtains the resource Fertilizer Transformed of height, and three-level sedimentation basin is preferably disposed in proximity to smooth pool
Rice shrimp species support area's water inlet end.
It is equipped with cover board at the top of the three-level sedimentation basin, the sundries such as rainwater, leaf is avoided to enter three-level sedimentation basin.
The feeding method of rice fishing shrimp species is realized based on present system, comprising:
(1), fingerling is launched in the cultivation flume of culture zone；
(2), daily management: dissolved oxygen amount is in 6~7mg/L in maintenance cultivation flume；It is swollen that protein 32 % or more is fed in culture zone
Change buoyancy feed；Time opening dredge pump carries out blowdown daily morning and evening, and dirt collection funnel bottom waste is emitted into three-level precipitating
Pond；Using the regular disinfection way of " low temperature iodine, high temperature chlorine "；
(3), culture zone tail water circulating purification: by gas distribution pipe provide kinetic energy, culture zone tail water sequentially enter culture zone 1,
Smooth pool 2, rice shrimp species support area, ecological purification area and spacious water buffer area 5, by rice, water plant, emergent aquactic plant and/or swim to plant
Object reenters culture zone to carry out original position resource utilizations such as fish excreta, residual baits in tail water.
It is specific:
Cultivation before prepare: winter drains water, is first cleaned up the pond, is sterilized, shining the pool, then applied fertilizer, field plate rotary tillage,
Anti-escape wall setting, circular groove water filling and water plant plantation；
The method of water plant plantation are as follows: filter is arranged in water inlet and discharge outlet in pond, prevents wild fishes etc. from entering pond；
New water is injected into circular groove, plants water plant in the circular groove slope surface around rice shrimp species growing area 3,40~55cm of spacing between water plant,
It then proceedes to inject new water into circular groove, submerge water level just is advisable at the top of water plant；The water plant is to plant waterweed, wheel
Based on the black algae of leaf, a small amount of rough melic herb, eel grass (the plantation gross area of waterweed and hydrilla verticillata in circular groove: rough melic herb and eel grass
Plant the gross area=5~6:1), planting density according to the invention, it can be ensured that water plant will not overgrow, and make the growth speed of water plant
The water plant food ration of degree and cray keeps balancing.
Ecological purification area: 3~April is 1~1.5 meter in the line-spacing of 8 kinds of ecological purification area plant lotus lotus root, lotus lotus root, and spacing in the rows is
1~1.5 meter；Intercropping silver carp and bighead, 10 tails of silver carp/mu, specification 200g~400g/ tail, 5 tails of bighead/mu, specification 200g~
400g/ tail.
Culture zone: single fingerling is launched in each cultivation flume April, fingerling is Pelteobagrus fulvidraco, grass carp, wherein yellow forehead
40~60 tails of fish fingerling specification/kg, 8~10 tails of grass carp specification/kg.
Feed management: protein 32 % extruding buoyancy feed is fed；Day feeds twice, pm10:00, am15:00, each bait throwing in
It is spaced 5s, duration 10min is gradually adjusted according to weather, the intensity of feeding and fish loading amount.It is ingested with majority stopping and only remains a small amount of fish
It ingests the amount fed for single.Later period grows with fish body, and sink yield increases, and feeds number and day feeding volume is gradually increased,
It was fed every 2~4 hours 1 time.
Periodically disinfection: the disinfection way of " low temperature iodine, high temperature chlorine " are as follows: when water temperature is lower than 20 DEG C, every 10~15 days
It is sterilized 1 time with high iodine；Water temperature is higher than 20 DEG C, hangs hanging bag in sink leading portion, chlorine dioxide is put into hanging bag, every 10~15
It is used disinfection by chlorine dioxide 1 time.
Rice shrimp species support area:
A, shrimp seedling is put in a suitable place to breed: 4~May launches cray shrimp seedling, and when shrimp seedling is put in a suitable place to breed, pond water level is not higher than field plate, makes shrimp
Seedling fully enters in circular groove；Wherein, shrimp seedling stocking size is 180~220 tails/kg, and shrimp seedling breeding density is 20~22kg/ mus；
After shrimp seedling is put in a suitable place to breed, since temperature is lower, cray cultivation water position is maintained at 60~90cm in circular groove, grows convenient for water plant.
B, rice is planted: raising rice seedlings and the same conventional rice of growing method；The sowing of the first tenday period of a month in May, late May plant rice shoot,
The water level of control field plate is maintained at 5~10cm, and rice strain spacing is 60~80cm × 60~80cm, 10 jin of seed rice or so/mu, often
1~2 plant of cave；The water body free exchange of circular groove and field plate, cray can enter field plate inhabit, activity or look for food, rice is not only
Habitat is provided for cray, 1~2 DEG C of summer pond water temperature can also be reduced, so that cray is maintained at suitable temperature fast
Fast-growing is long；According to planting density of the present invention, additionally it is possible to effective purifying aquatic water, while can also additionally obtain high quality white rice.
C, in cray breeding process, the daily managements such as water level control, bait feeding and disease control breeding management: are carried out
Work is guaranteed the effective tillering of rice by water level control, prevents rice because the bad weathers such as storm cause rice straw to lodge,
Simultaneously because not putting into artificial synthesized fertilizer etc., breeding waste inside resource utilization system reduces rice because of non-pesticide grown
And the risk of the pest and disease damages such as snout moth's larva, planthopper is infected, improve the quality and benefit of rice；
Water level control are as follows: 2~3 weeks after seedling growing, rice enters tiller early period, preferably controls the water of central field at this time
Position is conducive to tiller formation in 20~30cm；After rice enters tillering stage, growth is rapidly, basic in aforementioned water level (20~30cm)
On water level is gradually increased according to plant height, but be subject to water level and do not flood lobus cardiacus；In rice jointing-booting stage, pond center field is kept
Block water level prevents striped rice borer, yellow rice borer in 50~80cm；In the rice milking stage maturity period, keep central field water level 5~
10cm is conducive to prevention and control planthopper；For the growth safety for guaranteeing aquatic livestock, field is not baked in high temperature day, using " at the beginning of 7 months, at the beginning of 9 months "
The appropriate dry field in both ends；October, grouting terminated, to prevent rice straw from lodging, by adjacent rice strain binding.
D, commercial sized prawn is formed and is caught: 6~August part, after cray reaches listing specification, hierarchically using Procambius clarkii
Cage is caught, and only captures the commercial sized prawn for reaching listing specification as needed, and juvenile prawn can freely escape in graded region, and reduction is caught
Obtain, in sort process to the injury of shrimp, improve back pool shrimp survival rate；And continue to deposit pool cray carry out bait feeding, disease
The daily managements such as evil prevention and treatment；
E, rice harvesting: mid-November, when spike of rice grain glume 85~90% turns yellow, according to weather forecast situation, choosing
The water that the weather in calm no rain slowly drains pond field plate is selected, the time continues 7~15 days, discharges water level daily with 3~5cm and is
Preferably, prevent rice from lodging because comparatively fast losing the support of water；After draining water, roasting shine to soil property is carried out to field plate and is hardened；Work as spike of rice
95% or more grain glume turns yellow, and seed is hardened, and when rice leaf gradually turns to be yellow, gathers in rice.
The rice varieties are southern round-grained rice 46, relatively conventional high bar long-grained nonglutinous rice long 1 half a month, further improve rice shrimp species and support area
To the clean-up effect of culture zone tail water.
Beneficial effects of the present invention:
The present invention is by certain Technology Integration Innovation and device systems development, by high intensity factory cultivating system and rice shrimp
Comprehensive breeding system organically combines, and pond culture benefit is allowed to achieve the effect that batch production, and circular groove and rice belt constitute " rice fishing synthesis
Breeding area " environmental benefit is prominent, and sink and buffer area constitute " high-density breeding area " culture efficiency and protrude, and not only efficiently solves
Resource utilization is realized in the processing of the tail gurry of high-density breeding, also solves the problem of fertilization of the comprehensive breeding system in rice field, real
The efficient utilization of system resource, tail water, tail gurry zero-emission are showed.And cultivation risk and investment maintain reduced levels, can have
Effect combines the large-scale pond culture of current National, realizes the two-win of economic benefit of aquaculture and environmental benefit.
Specific manifestation are as follows:
(1), culture zone of the present invention is durable using stainless steel as material, and sink laid inside stainless steel plate does not hurt fish body,
It is not easy to deposit residual bait excrement；High-density aquiculture is carried out in cultivation flume, realizes centralized high investment, high production, short week
The efficient aquaculture model of phase；
(2), water mode is pushed away by adjusting culture zone water inlet end, provides kinetic energy by the air blower of cultivation flume water inlet end,
It pushes away water efficiency to greatly improve, the increasing of water frequency is changed in sink, substantially increases flowing purification efficiency, realize that water body is supported in high density
The culture zone of breeding fish, smooth pool, rice shrimp species support the field in area and ecological purification area composition, spacious water buffer area circulates, and do
To " Running water never becomes putrid ", tail water solid feces provide for the water plant in the rice in the feeding area of rice shrimp species, water plant, ecological purification area
Based on the feeding area's rice absorption of rice shrimp species, supplemented by water plant purification, solid waste resource recovery is utilized for manure resources abundant,
The purification of cultivation tail water is completed, realizes waste zero-emission, culture zone water quality reaches 1 class water quality standard of fishery cultivating；
(3), reduce the cost of tail water circulating purification: the present invention, which need to only be equipped with an air blower, can be realized entire ecology
The water of system recycles, air blower 5.5kW, can be completed the water circulation of 6 sink whole systems, and comprehensive energy consumption is 3.3 degree/
(mu day), every square of the high-density breeding area daily power consumption of water body is only 0.2kW, daily compared with every square of water body of conventional system
The power consumption of 0.66kW saves 70%, greatly reduces energy consumption.The investment of pure industrial aquaculture is reduced simultaneously: in conjunction with pond soil
Pond, adaptation to local conditions, the set circulation flowing water aquaculture model for efficiently being cultivated by industrialization sink and purification system being assisted to constitute have
It is easy to manually control, save land, be water-saving, the advantages that labour demand is few, productivity is high, product is easily caught and balanced listing.
(4), the present invention is equipped with multiple dirt collection funnels in each dirt collection trench bottom, can not only reduce the installation of bottom end funnel
Material and construction cost is effectively reduced in depth, while can effectively improve residual bait in tail water, the collection rate of excrement, convenient for discarded
Object solidification and resource Fertilizer Transformed.
(5), rice of the present invention, without additional fertilising, passes through small dragon using the fish tail excreta in the tail water of culture zone as fertilizer
Pest, weeds and sick leaf under rice field are removed in activity of the shrimp in rice field, are loosened the soil and increase fertilizer for rice field, and rice yield is reachable
360.5kg/ mus, 75kg/ mus of lobster yield or more.
Detailed description of the invention
Fig. 1 is the schematic diagram that rice fishing shrimp of the present invention recycles breeding system；
Fig. 2 is the structural schematic diagram that rice fishing shrimp of the present invention recycles culture zone in breeding system；
Fig. 3 is the side view that rice fishing shrimp of the present invention recycles cultivation flume in breeding system；
Fig. 4 is the water inlet end schematic diagram that rice fishing shrimp of the present invention recycles cultivation flume in breeding system；
Fig. 5 is the water outlet schematic diagram that rice fishing shrimp of the present invention recycles cultivation flume in breeding system；
Fig. 6 is the arrangement schematic diagram that rice fishing shrimp of the present invention recycles the micropore aeration pipe of cultivation flume in breeding system；
Fig. 7 is that rice fishing shrimp of the present invention recycles the feeding area's schematic diagram of breeding system semilate rice shrimp species；
Fig. 8 is the structural schematic diagram that rice fishing shrimp of the present invention recycles three-level sedimentation basin in breeding system；
In figure, the culture zone 1-, the smooth pool 2-, 3- rice shrimp species support area, 4- ecological purification area, 5- circular groove, 6- the first water proof band,
7- the second water proof band, 8- open water buffer area, 9- pavement, 10- water fender, 11- water inlet end grid, 12- cloth gas tank, 13- gas supply
Pipe, 14- gas distribution pipe, the water outlet 15- grid, 16- sewage sump, 17- dirt collection funnel, the anti-escape wall of 18-, the pool the 19- ridge, 20- gas transmission
Pipe, 21- micropore aeration pipe.
Specific embodiment
Technical solution of the present invention is described further With reference to embodiment.
In Jiangsu Fresh Water Aquatic Product Inst., base, Pukou, construction has 1 set of rice fishing shrimp circulation breeding system, such as Fig. 1-Fig. 8
Shown, which is separated into the culture zone 1 for being used for high-density breeding fish by pond along water (flow) direction, smooth pool 2, field plate, opens
Water buffer area 8；The culture zone 1 is close to pond Tang Geng, cuboid cultivation flume including 6 longitudinal directions side by side, and described is smooth
Pool 2 is located at culture zone water outlet, and the spacious water buffer area 5 is located at culture zone water inlet end；The field plate is around described
Culture zone 1, smooth pool 2 and spacious water buffer area 8 are in concave, excavate circular groove along the pool ridge at field edge；It intakes along culture zone
End culture zone apart from pond Tang Geng farther out side setting ridge as the first water proof band 6 by field be divided into rice shrimp species support area and
Ecological purification area supports 3 corresponding pool ridge surrounding of area along rice shrimp species and anti-escape wall is arranged, and anti-escape wall bottom is inserted in the slope surface of circular groove,
It is immersed in the water the bottom of anti-escape wall in circular groove water filling；Rice shrimp species support the circular groove setting of area and ecological purification area intersection every
Off-network；Make from apart from farther away 1 water inlet end of culture zone in pond pool ridge end, along water (flow) direction setting ridge as the second water proof band 7
Obtaining water body and supporting area, ecological purification area and spacious water buffer area 8 along culture zone 1, smooth pool 2, rice shrimp species is in that " O " type circulates.
The plane of the field plate is 10m, circular groove lower than 0.8~1.0m at the top of the ridge of the pool, the upper plane width of the circular groove 5
Bottom of trench be lower than field plate plane 2m；The culture zone bottom is lower than 60~80cm of circular groove bottom；The bottom of pond in the smooth pool 2
Lower than 1 60~70cm of bottom of culture zone, the bottom of pond of the spacious water buffer area 8 is lower than 1 bottom 20cm of culture zone.
The cultivation water flute length 22m × wide 5m × depth 2.5m, including the basic frame being welded by 304 stainless steel tubes
Frame, basic framework bottom end are fixed on pond bottom, are laid with stainless steel plate in the bottom of basic framework and the side of left and right two, are supporting
Sink water inlet end setting water fender 10 is grown, its bottom is fixed on the stainless steel plate of bottom, width and water by the high 1.25m of water fender
Slot is wide；Two column cards are formed in the square tube that cultivation flume water inlet end left and right side walls are located at soldering stainless steel material above water fender
Slot is located at water fender 10 for water inlet end grid 11 is formed in the stainless steel steel wire insertion card slot of mesh 1.5cm × 1.5cm
Upper edge；It is equipped with the cloth gas tank 12 of open topped on the outside of water fender 10, is equipped with the air blast by being placed in ridge in 12 lower part of cloth gas tank
The horizontal air supply pipe 13 of machine gas supply, is equipped with 6 equidistant L shape gas distribution pipes 14 at the top of air supply pipe, and the transverse tube of gas distribution pipe stretches out
Cloth gas tank 0.2m simultaneously makes the gas outlet of gas distribution pipe towards cultivation flume, so that it is guaranteed that water body flow speed 0.8m/s, ring in sink
Ditch water body flowing velocity 0.3m/s；The air supply pipe 13 that each cultivation flume is equipped with is and by same air blower (blower power
Air supply header connection 5.5kW) is equipped with the switch that valve is used to control gas distribution at the air inlet of air supply pipe 13；Along cultivation flume
Longitudinally disposed appendix 20 makes it be layed in cultivation flume bottom along the equidistant laying micropore aeration pipe 21 of appendix 20, adjacent
Two 21 spacing 2m of micropore aeration pipe, so that full slot water body dissolved oxygen is balanced, the appendix in culture zone is by same air blast
Machine (blower power 3.5kW) gas supply；By gas distribution pipe, micropore aeration pipe maintain the dissolved oxygen in water of cultivation flume 6~
7mg/L；In cultivation flume water outlet left and right side walls soldering stainless steel material square tube formed two column card slots, by mesh 1.5cm ×
Water outlet grid 15 is formed in the stainless steel steel wire insertion card slot of 1.5cm.Culture zone into and out of water end (W.E.), apart from the pond pool
Glass-fiber reinforced plastic grille is laid between the closer cultivation flume in the ridge and the pond pool ridge, between two neighboring cultivation flume respectively and forms pavement
9.It is equipped with device for feeding fish bait in each cultivation flume front end, is equipped with fan shape baffle in front of the bait outlet of device for feeding fish bait, in fan shape baffle
Top is equipped with rectangle baffle.Disinfection hanging bag is hung with for hanging chlorine dioxide when high-temperature sterilization in the leading portion of cultivation flume.
The anti-escape wall is plastic wire；The separation net is plastic wire.
The rice fishing shrimp circulation breeding system further includes soil pick-up drainage, and the soil pick-up drainage includes dirt collection
Slot 16, sewage pipe, three-level sedimentation basin；The sewage sump 16 is located at cultivation flume water outlet for collecting residual bait, fish excretion
Object, the corresponding sewage sump of 6 cultivation flumes are connected to, along lower than the edge (pavement of culture zone water outlet on cultivation flume on sewage sump
Above sewage sump), it is in the dirt collection of falling square cone funnel 17 that 16 bottom of sewage sump, which is equipped with 4, is equipped in 17 bottom of dirt collection funnel
Sewage draining exit, sewage draining exit are connect through sewage pipe with the water inlet for being located at the three-level sedimentation basin that rice shrimp species support area；The three-level precipitating
Settled material is not placed in pond, top is equipped with cover board；Three-level sedimentation basin includes that sequentially connected first order sedimentation basin, the second level are heavy
Shallow lake pond and third level sedimentation basin, first order sedimentation basin, second level sedimentation basin and third level sedimentation basin equal-specification, size are as follows: long 2m
× 1.2~1.5 meters of 3 meters × depth wide, three sedimentation basins are co-walled two-by-two, first order sedimentation basin and the co-walled side of second level sedimentation basin
Along overflow port is equipped on wall, second level sedimentation basin and the co-walled sidewall bottom of third level sedimentation basin are equipped with water outlet, and the third level is heavy
The supernatant in shallow lake pond spills over paddy field aquaculture area, avoids sludge from being directly discharged into rice field and causes somewhere in sludge impact rice field and rice field
COD is excessively high, and the deposit that three-level precipitates bottom of pond portion applies rice shrimp species as fertilizer after rice harvesting and supports area.
In terms of the upper plane of the circular groove 4, the area of circular groove is 4300m2；Rice shrimp species support area 3 area be
12600m2, the area in ecological purification area 4 is the area 1/5 that rice shrimp species support area 3.
In order to make smooth pool 2 and spacious water buffer area 8 meet natural subsidence rule, smooth 2 length 20m of pool, width are controlled
40m.Spacious 8 length 20m of water buffer area, width 40m.
Cultivation before prepare: winter drains water, is first cleaned up the pond, is sterilized, shining the pool, then applied fertilizer, field plate rotary tillage,
Anti-escape wall setting, circular groove water filling and water plant plantation；Wherein, it sterilizes, shine the pool, fertilising, field plate rotary tillage using 105379646 A of CN
Embodiment 1, concrete operations are as follows: after cleaning up the pond, quick lime is stacked pool bottom according to 75kg/ mus of dosages, adds appropriate amount of water, makes quick lime
Violent chemical action is played after meeting water, when taking advantage of quick lime rigidifying, full pool spilling head bottom of pond or pool bank；To pool bottom after pond exposure a couple of days
Dry cracking applies organic fertilizer (using chicken manure) and is used as base manure, comprising: according to 500kg/ mus of release chicken manures in circular groove, toward field
According to 150kg/ mus of application chicken manures in block；Field is turned over using rotary cultivator, rotary tillage depth is 10~15cm, by chicken manure
It is mixed into soil.The method of water plant plantation are as follows: filter is arranged in water inlet and discharge outlet in pond, prevents wild fishes etc. from entering pond
The pool；New water is injected into circular groove, plants water plant in the circular groove slope surface around rice shrimp species growing area 3, the spacing 40 between water plant~
55cm then proceedes to inject new water into circular groove, and submerge water level just is advisable at the top of water plant, and water plant is to plant waterweed, wheel
Based on the black algae of leaf, a small amount of rough melic herb, eel grass (the plantation gross area of waterweed and hydrilla verticillata in circular groove: rough melic herb and eel grass
Plant the gross area=5~6:1).
Culture zone: 6 cultivation flumes, cultivation flume depth 2.5m only, cultivation 1.8~2.0m of the depth of water or so, culture zone is supported only
Grow area 600m2.Single fingerling is launched in each cultivation flume according to table 1 April.
Feed management: protein 32 % extruding buoyancy feed is fed；Day feeds twice, pm10:00, am15:00, each bait throwing in
It is spaced 5s, duration 10min is gradually adjusted according to weather, the intensity of feeding and fish loading amount.It is ingested with majority stopping and only remains a small amount of fish
It ingests the amount fed for single.Later period grows with fish body, and sink yield increases, and feeds number and day feeding volume is gradually increased,
It was fed every 2~4 hours 1 time.
Periodically disinfection: the disinfection way of " low temperature iodine, high temperature chlorine " are as follows: when water temperature is no more than 20 DEG C, every 10-15 days
It is sterilized 1 time with high iodine；Water temperature is higher than 20 DEG C, hangs hanging bag in sink leading portion, chlorine dioxide is put into hanging bag, every 10-15 days
With disinfection by chlorine dioxide 1 time.
1. sink of table is put in a suitable place to breed and yield
Ecological purification area: 3~April is 1~1.5 meter in the line-spacing of 8 kinds of ecological purification area plant lotus lotus root, lotus lotus root, and spacing in the rows is
1~1.5 meter；Intercropping silver carp and bighead, 10 tails of silver carp/mu, specification 200g~400g/ tail, 5 tails of bighead/mu, specification 200g~
400g/ tail.
Rice shrimp species support area:
A, shrimp seedling is put in a suitable place to breed: put cray shrimp seedling 4~May in a suitable place to breed, when shrimp seedling is put in a suitable place to breed, pond water level is not higher than central field,
Fully enter shrimp seedling in circular groove；Wherein, shrimp seedling stocking size is 200 tails/kg, and shrimp seedling breeding density is 21kg/ mus；Shrimp seedling is put
After supporting, since temperature is lower, cray cultivation water position is maintained at 30~60cm in circular groove, so that water temperature is comparatively fast gone up.
B, rice is planted: rice varieties are southern round-grained rice 46, raising rice seedlings and the same conventional rice of growing method；The sowing of the first tenday period of a month in May,
The last ten-days period in May plant rice shoot, and the water level of control field plate is maintained at 5~10cm, and rice strain spacing is 60~80cm × 60~80cm,
10 jin or so seed rice/mus, 1~2 plant of every cave.
C, in cray breeding process, the daily managements such as water level control, bait feeding and disease control breeding management: are carried out
Work is guaranteed the effective tillering of rice by water level control, prevents rice because the bad weathers such as storm cause rice straw to lodge,
The risk that rice infects the pest and disease damages such as snout moth's larva, planthopper because of non-pesticide grown is reduced simultaneously, improves the quality and yield of rice；
Water level control are as follows: 2~3 weeks after seedling growing, rice enters tiller early period, preferably controls the water of central field at this time
Position is conducive to tiller formation in 20~30cm；After rice enters tillering stage, growth is rapidly, basic in aforementioned water level (20~30cm)
On water level is gradually increased according to plant height, but be subject to water level and do not flood lobus cardiacus；In rice jointing-booting stage, pond center field is kept
Block water level prevents striped rice borer, yellow rice borer in 50~80cm；In the rice milking stage maturity period, keep central field water level 50~
100cm is conducive to prevention and control planthopper；The appropriate dry field in " at the beginning of 7 months, at the beginning of September " both ends；October, grouting terminated, to prevent rice straw from lodging,
It can be by adjacent rice strain binding.
D, commercial sized prawn is formed and is caught: June~August, after cray reaches listing specification, hierarchically using Procambius clarkii
Cage (202435983 U of Authorization Notice No. CN) is caught, and only captures the commercial sized prawn for reaching listing specification as needed, and young
Shrimp can freely escape in graded region, reduce the injury captured, in sort process to shrimp, improve back pool shrimp survival rate；And continue
The daily managements such as bait feeding, disease control are carried out to pool cray is deposited；78.1kg/ mus of cray average product, market average price
50 yuan/kg.
E, rice harvesting: mid-November, when spike of rice grain glume 85~90% turns yellow, according to weather forecast situation, choosing
Select the water that the weather in calm no rain slowly drains pond center field, the time continues 7~15 days, discharge daily water level with 3~
5cm is advisable, and prevents rice from lodging because comparatively fast losing the support of water；After draining water, roasting shine to soil property is carried out to central field and is become
Firmly；When 95% or more spike of rice grain glume turns yellow, seed is hardened, and when rice leaf gradually turns to be yellow, gathers in rice, rice yield
360.5kg/ mus, 20 yuan/kg of market price, 7210 yuan/mu of rice economic output.
Rice fishing shrimp recycles breeding system change of water quality:
In 6~October, fish, growth animated period, bait throwing in density is high in cultivation flume, and overall water quality is (total nitrogen, total
Phosphorus, ammonia nitrogen, potassium permanganate salt index) it is rendered as the smooth pool > circular groove area culture zone >.Water monitoring data is shown in Table 2- table 6, can
See that water body and paddy fields are in free exchange state, paddy growth animated period in circular groove, root system largely absorbs water body and soil
The nutrients such as the nitrogen phosphorus in earth, Natural Transformation are nutriment needed for paddy growth, play the work of effective purifying water body
With.
Total nitrogen variation (mg/l) in 2. different zones water body of table
| Time | Culture zone | Smooth pool | Circular groove area front end | Circular groove area rear end |
| June 10 | 3.07 | 1.53 | 0.97 | 0.97 |
| June 20 | 1.51 | 1.24 | 1.13 | 0.97 |
| June 30 | 1.35 | 0.57 | 0.70 | 0.45 |
| July 10 | 1.53 | 0.93 | 1.11 | 2.03 |
| July 20 | 1.53 | 0.98 | 1.03 | 0.68 |
| July 30 | 1.27 | 1.51 | 1.02 | 1.13 |
| August 10 days | 2.71 | 3.21 | 2.02 | 2.19 |
| August 20 days | 2.46 | 1.75 | 2.15 | 1.67 |
| August 30 days | 2.48 | 2.82 | 2.79 | 2.04 |
| September 10 days | 1.81 | 1.34 | 1.52 | 1.49 |
| September 20 days | 1.87 | 1.28 | 2.46 | 1.52 |
| September 30 days | 2.77 | 2.53 | 2.53 | 1.67 |
| October 10 | 2.39 | 2.21 | 2.06 | 2.25 |
| October 20 | 3.42 | 4.24 | 2.4 | 2.17 |
Note: smooth pool sampled point: at the nearly culture zone water outlet pool the Yue Chang length 1/3 in smooth pool；Circular groove area front-end sampling
Point: corresponding second water proof band 7 is along water (flow) direction and circular groove intersection；Circular groove area rear end sampled point: it is located at ecological purification area head
Side ring ditch interlude (corresponds to the second water proof band 7 against water (flow) direction and circular groove intersection).
3. different zones total phosphorus in water of table changes (mg/l)
| Culture zone | Smooth pool | Circular groove area front end | Circular groove area rear end | |
| June 10 | 0.36 | 0.19 | 1.00 | 0.32 |
| June 20 | 0.25 | 0.17 | 0.19 | 0.44 |
| June 30 | 0.18 | 0.11 | 0.12 | 0.11 |
| July 10 | 0.25 | 0.16 | 0.1 | 0.72 |
| July 20 | 0.19 | 0.11 | 0.08 | 0.78 |
| July 30 | 0.23 | 0.13 | 0.13 | 0.57 |
| August 10 days | 0.32 | 0.19 | 0.19 | 0.55 |
| August 20 days | 0.42 | 0.22 | 0.41 | 0.47 |
| August 30 days | 0.23 | 0.15 | 0.19 | 0.27 |
| September 10 days | 0.24 | 0.14 | 0.24 | 0.26 |
| September 20 days | 0.34 | 0.19 | 0.23 | 0.25 |
| September 30 days | 0.30 | 0.29 | 0.27 | 0.23 |
| October 10 | 0.34 | 0.24 | 0.28 | 0.10 |
| October 20 | 0.25 | 0.15 | 0.19 | 0.08 |
4. different zones Nitrite nitrogen of table changes (mg/l)
Permanganate index variation in 5. different zones water body of table
| Culture zone | Smooth pool | Circular groove area front end | Circular groove area rear end | |
| June 10 | - | - | - | - |
| June 20 | 21.8 | 23 | 13.1 | 24.3 |
| June 30 | 3.7 | 3.4 | 3.6 | 4.0 |
| July 10 | 4.0 | 3.6 | 3.6 | 4.4 |
| July 20 | 3.5 | 4.2 | 3.6 | 4.9 |
| July 30 | 5.8 | 5.0 | 5.6 | 5.6 |
| August 10 days | 5.9 | 5.8 | 5.6 | 5.9 |
| August 20 days | 5.7 | 5.8 | 5.7 | 5.6 |
| August 30 days | 5.1 | 4.8 | 5.4 | 5.5 |
| September 10 days | 5.2 | 4.9 | 5.0 | 4.7 |
| September 20 days | 5.9 | 5.9 | 6.5 | 6.7 |
| September 30 days | 5.7 | 5.6 | 5.6 | 5.9 |
| October 10 | 5.1 | 5.2 | 4.9 | 5.0 |
| October 20 | 5.9 | 6.4 | 5.2 | 5.8 |
Ammonia nitrogen variation (mg/l) in 6. different zones water body of table
Claims (10)
1. a kind of rice fishing shrimp recycles breeding system, it is characterised in that pond is separated by the system is used for high-density breeding fish
Culture zone, smooth pool, field plate, spacious water buffer area；The culture zone is close to pond Tang Geng, including multiple longitudinal directions side by side rectangular
Body cultivation flume, the smooth pool are located at culture zone water outlet, and the bottom of pond in smooth pool is lower than culture zone bottom；The spacious water
Buffer area is located at culture zone water inlet end, and the bottom of pond for opening water buffer area is lower than culture zone bottom；The field plate is supported around described
Area, smooth pool and spacious water buffer area are grown in concave, excavate circular groove along the pool ridge at field edge；It is arranged along culture zone water inlet end
Field is divided into rice shrimp species to support area and ecological purification area by the first water proof band；It intakes from apart from the farther away culture zone in pond pool ridge end
End makes water body support area, ecological purification area along culture zone, smooth pool, rice shrimp species and open along water (flow) direction the second water proof band of setting
Water buffer area is circulated in " O " type.
2. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that the cultivation flume includes basis
Frame, is laid with stainless steel plate in the bottom of basic framework and left and right two sides, and water fender is arranged in sink water inlet end bottom,
Along setting water inlet end grid along water fender, it is equipped with the cloth gas tank of open topped on the outside of water fender, is equipped in gas distribution lower box part
Horizontal air supply pipe, is equipped with 5~8 equidistant L shape gas distribution pipes at the top of air supply pipe, and the gas outlet of gas distribution pipe is higher than on water fender
Along and towards cultivation flume；In the equidistant laying micropore aeration pipe in cultivation flume bottom；It is arranged in cultivation flume water outlet and is discharged
Hold grid；Wherein, the water fender height is about the 2/5~1/2 of cultivation flume height；The gas outlet of the gas distribution pipe is high
In on water fender along 0.15~0.3m.
3. rice fishing shrimp according to claim 2 recycles breeding system, it is characterised in that in the cultivation flume water-in and water-out
Card slot is respectively set for fixing water inlet end grid, water outlet grid in the left and right side walls at end.
4. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that the plane of the field plate is lower than the pool
0.8~1.0m at the top of the ridge, the upper plane of the circular groove is wide to be not less than 10m, and the bottom of trench of circular groove is lower than field plate plane 1.5m~2m；
The culture zone bottom is lower than 60~80cm of circular groove bottom；The bottom of pond in the smooth pool lower than culture zone bottom 60~
70cm；The bottom of pond of the spacious water buffer area is lower than 1 bottom 20cm of culture zone.
5. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that in the circular groove for surrounding rice shrimp species growing area
Slope surface on plant water plant；The corresponding pool ridge surrounding in area being supported along rice shrimp species, anti-escape wall being set, anti-escape wall bottom is inserted in the slope of circular groove
On face, it is immersed in the water the bottom of anti-escape wall in circular groove water filling；The circular groove in area and ecological purification area intersection is supported in rice shrimp species
Separation net is set.
6. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that planted in the ecological purification area
Emergent aquactic plant, intercropping silver carp and bighead.
7. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that the culture zone and rice shrimp species is supported
The area ratio in area is 1:20~30, and it is 5~6:1 that the rice shrimp species, which support area and the area ratio in ecological purification area,.
8. rice fishing shrimp according to claim 1 recycles breeding system, it is characterised in that the rice fishing shrimp recycles breeding system
System further includes soil pick-up drainage, and the soil pick-up drainage includes sewage sump, sewage pipe, three-level sedimentation basin；The collection
Dirty slot position is in, along lower than edge on cultivation flume, dirt collection trench bottom is equipped with multiple in side's cone on cultivation flume water outlet, sewage sump
Shape dirt collection funnel is equipped with sewage draining exit in dirt collection funnel bottom, and sewage draining exit is connect through sewage pipe with the water inlet of three-level sedimentation basin；Institute
The three-level sedimentation basin stated includes sequentially connected first order sedimentation basin, second level sedimentation basin and third level sedimentation basin, three precipitatings
Pond is co-walled two-by-two, along being equipped with overflow port on first order sedimentation basin and the co-walled side wall of second level sedimentation basin, second level sedimentation basin with
The co-walled sidewall bottom of third level sedimentation basin is equipped with water outlet, and the supernatant of third level sedimentation basin spills over rice shrimp species and supports area.
9. rice fishing shrimp according to claim 8 recycles breeding system, it is characterised in that each cultivation flume is correspondingly arranged 4
Dirt collection funnel.
10. the rice fishing shrimp species based on the described in any item rice fishing shrimp circulation breeding systems of claim 1-9 support method, feature
Be include:
Prepare before cultivation: winter drains water, is first cleaned up the pond, is sterilized, shining the pool, is then applied fertilizer, is field plate rotary tillage, anti-escape
Wall setting, circular groove water filling and water plant plantation；
Ecological purification area: planting lotus lotus root in ecological purification area 3~April, and the line-spacing of lotus lotus root is 1~1.5 meter, and spacing in the rows is 1~
1.5 rice；Intercropping silver carp and bighead；
Culture zone: in April, launching single fingerling in each cultivation flume, and fingerling is Pelteobagrus fulvidraco, grass carp, wherein Pelteobagrus fulvidraco fish
Kind 40~60 tails of specification/kg, 8~10 tails of grass carp specification/kg；
Rice shrimp species support area:
A, shrimp seedling is put in a suitable place to breed: 4~May launches cray shrimp seedling, and when shrimp seedling is put in a suitable place to breed, pond water level is not higher than field plate, keeps shrimp seedling complete
Portion enters in circular groove；Wherein, shrimp seedling stocking size is 180~220 tails/kg, and shrimp seedling breeding density is 20~22kg/ mus；Shrimp seedling
After putting in a suitable place to breed, cray cultivation water position is maintained at 60~90cm in circular groove；
B, rice is planted: raising rice seedlings and the same conventional rice of growing method；The sowing of the first tenday period of a month in May, late May plant rice shoot, control
The water level of field plate is maintained at 5~10cm, and rice strain spacing is 60~80cm × 60~80cm, 10 jin of seed rice or so/mu, every cave 1
~2 plants；
C, in cray breeding process, water level control, bait feeding and disease control daily management mission breeding management: are carried out；
D, commercial sized prawn is formed and is caught: 6~August part, after cray reaches listing specification, using Procambius clarkii be classified cage into
Row fishing；
E, rice harvesting: when spike of rice grain glume 85~90% turns yellow, slowly draining the water of pond field plate, and the time continues 7~
15 days, 3~5cm of water level was discharged daily；After draining water, roasting shine to soil property is carried out to field plate and is hardened；When spike of rice grain glume 95%
Above to turn yellow, seed is hardened, and when rice leaf gradually turns to be yellow, gathers in rice.
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| CN118975502A (en) * | 2024-10-08 | 2024-11-19 | 湖州市吴兴区农业技术推广服务中心 | A rice-shrimp farming system for Macrobrachium rosenbergii farming |
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