CN115428754B - Crayfish rice rotation culture method - Google Patents
Crayfish rice rotation culture method Download PDFInfo
- Publication number
- CN115428754B CN115428754B CN202211129988.2A CN202211129988A CN115428754B CN 115428754 B CN115428754 B CN 115428754B CN 202211129988 A CN202211129988 A CN 202211129988A CN 115428754 B CN115428754 B CN 115428754B
- Authority
- CN
- China
- Prior art keywords
- crayfish
- pond
- culture
- area
- months
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 241000238017 Astacoidea Species 0.000 title claims abstract description 58
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 37
- 235000009566 rice Nutrition 0.000 title claims abstract description 37
- 238000012136 culture method Methods 0.000 title claims abstract description 6
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 36
- 239000004744 fabric Substances 0.000 claims description 44
- 241000238557 Decapoda Species 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000004677 Nylon Substances 0.000 claims description 17
- 229920001778 nylon Polymers 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 9
- 241000583629 Cypridopsis vidua Species 0.000 claims description 6
- 241001113556 Elodea Species 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 238000009395 breeding Methods 0.000 claims description 5
- 230000001488 breeding effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 230000000384 rearing effect Effects 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 238000003306 harvesting Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000238030 Procambarus clarkii Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012364 cultivation method Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010868 animal carcass Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035553 feeding performance Effects 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/20—Cereals
- A01G22/22—Rice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The application discloses a crayfish rice rotation culture method, which is characterized in that two-crop culture and catching are realized by reasonably setting the culture time and the culture catching time of crayfish seedlings, the crayfish seedlings are put down for culture adaptation before rice harvesting, after rice harvesting, the crayfish is intensively bred in a culture pond to cultivate the crayfish, the crayfish is put into a second pond mouth for culture after 12 months, a culture pond is arranged, and a temporary culture area is arranged at each pond mouth, so that the crayfish of the next crop can be prepared for culture, the culture time is shortened due to the fact that the culture time of the crayfish of the next crop is shorter, the crayfish with larger specification is required to be put in, the young crayfish with the length of 6 g/tail in the culture pond is gradually transferred to the temporary culture area, the young crayfish with larger growth space in the temporary culture area, the crayfish with small specification in the culture pond is not influenced by the young crayfish with large specification, the young crayfish can be continuously output to the culture area, and the crayfish in the temporary culture area can provide enough young crayfish when the crayfish of the next crop is cultured.
Description
Technical Field
The application relates to the field of cultivation, in particular to a rotation cultivation method for crayfish rice.
Background
Crayfish is also known as procambarus clarkii, procambarus clarkii and freshwater crayfish. Is a freshwater economic shrimp, and is popular with people because of fresh and delicious meat taste. The method has the advantages of high feeding performance, high growth speed and high adaptability, and forms absolute competitive advantage in the local ecological environment. The ingestion range includes aquatic weeds, algae, aquatic insects, animal carcasses and the like. Crayfish has become an important economic breed in China in recent years. The crayfish has strong adaptability to the environment, can grow in various water bodies such as lakes, ponds, ditches, paddy fields and the like, in the conventional crayfish rice rotation process, the crayfish can hole in the paddy fields under certain conditions, especially the weather is bad, the crayfish holes are deeper under the condition of water quality deterioration, on one hand, the field-turning cost is increased, on the other hand, a large number of crayfish are easily left in the fields, the culture density is uncontrollable, the economic benefits of the wheels and the rotation of the lower wheels are influenced, in addition, the crayfish should be strictly prevented from escaping in the commercial culture process, especially the original ecological water bodies with the rare degree of people are strictly prevented from escaping, the ecological competition advantages of the local species are caused, the conventional escape prevention device has poor escape prevention effect when in use, and is complex in operation and needs to consume a large amount of manpower and material resources when in arrangement.
In addition, the ditch and pit ratio of the crayfish paddy field cultivation is always limited by the land department, and the development of the crayfish paddy rotation mode is limited to a certain extent.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide the rotation culture method for the crayfish rice with high yield and economic value.
In order to achieve the above purpose, the present application provides the following technical solutions: a rotation culture method of crayfish rice comprises the following steps:
step one, rice field transformation
Before seed cultivation starts, taking one tenth of the area of a paddy field as a seedling raising pool, and making the length-width ratio of the seedling raising pool into 3 by taking 2 mu as a unit: 1-4:1, ditching along the periphery of the first pond mouth and forming ridges, so that the gradient ratio of the ridges is 1:3-1:4,
dividing the rest paddy field into a plurality of second pond openings by taking 50 mu as a unit, digging 0.5 meter along one or two edges of the periphery of each second pond opening to form a lower digging area, connecting a plurality of lower digging areas to form a closed loop structure, arranging an escape preventing device along the edge of each second pond opening, arranging a temporary culture area accounting for 5% of the area of each second pond opening in each second pond opening, enclosing the temporary culture area by using a surrounding net, and throwing the waterweeds in the second pond openings for 10 months, wherein the throwing area of the waterweeds is not more than 30% of the water surface, and adding water to 20cm in the field;
step two, shrimp larvae are cultivated and put in
In the middle and late 8 months, all the seed shrimps are bred at each second pond mouth, 5kg of the seed shrimps are planted per mu, the water level is reduced by half before the rice is harvested in 10 months, water is added to the field after the rice is harvested, the water depth is 20 cm-30 cm,
sterilizing the seedling raising pond in middle and late 8 months, breeding young shrimps after 150kg-200kg of the breeding shrimps per mu and 2-3 months, starting to feed young shrimp feed,
feeding shrimp larvae in a seedling raising pond into each second pond mouth in a feeding amount of 5kg-6kg per mu in 12 months, wherein the weight of each shrimp larvae is 1g-2.6g, feeding compound feed, and feeding for 1 time in the morning and evening each day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day; meanwhile, when the crayfish in the seedling raising pool grows to 6 g/tail, the crayfish is sequentially put into the purse net of each temporary raising area;
step three, catching and second stubble throwing
Catching all the shrimps before and after 15 days for 3 months, clearing the pond, discharging the crayfish from the temporary rearing pond, supplementing the amount of the crayfish fries to each second pond opening, putting 50kg of high-protein compound feed into the mouth of each second pond, and feeding the crayfish 1 time in the morning and evening each day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day, the catching is started on 20 days of 4 months, and the catching is kept on 10 days of 5 months;
fourth, paddy field rotation
Slowly lowering the water level of the second pond mouth until Tian Ban is exposed at the beginning of 6 months, fishing the rest crayfish, turning the soil in the second pond mouth after the fishing is completed, sterilizing and insolating the second pond mouth, and planting rice.
As a further improvement of the application, the lower digging area in the first step is 2-3 m wide, 1.5-2 m wide and 0.5 m deep, the no-ditch area is reserved with a mechanical channel 3.5-4.5 m wide, the dug soil is used as a ridge, the ridge is 80cm higher than the field surface, and the ridge width is 1-2 m.
As a further improvement of the application, the specification of the shrimp in the second step is 20-30 tail/kg, and the male-female ratio is 3:2 to 2:1.
According to the application, in the first step, after the second pond opening is dug down, nylon cloth is paved in a lower digging area, meanwhile, 30cm-60cm of the lower end face of the nylon cloth is folded to form a folding angle and paved at the bottom of the lower digging area, and the dug soil is moved back into the lower digging area again to cover the nylon cloth, wherein the upper edge of the nylon cloth is 60cm-80cm higher than the second pond opening.
As a further improvement of the application, the escape preventing device in the first step comprises a first positioning column, an escape preventing net and a second positioning column, wherein mounting plugboards are arranged at two side edges of the escape preventing net, the first positioning column is provided with axial slots for the insertion of the mounting plugboards, the escape preventing net consists of a mesh and a plurality of plugboards arranged below the mesh, the plugboards are hinged with each other, the second positioning column comprises a column body, a walking assembly and a piling assembly, the piling assembly comprises an inner rod, a reset spring and an operating rod, the operating rod is fixedly arranged with the inner rod, the inner rod is sleeved inside the column body and is in sliding arrangement with the column body, the upper end of the reset spring keeps the upper end of the operating rod to extend out of the upper end of the column body, the column body and the inner rod are respectively provided with a through groove extending along the axial direction, the plugboards penetrate through the through grooves, the walking assembly is arranged at two outer side surfaces of the column body opposite to the through grooves, the walking assembly is hinged with the column body, the plugboards are laterally extended with each other, a first clamping piece is arranged above the plugboards, and the inner side wall is matched with the first clamping piece and the second clamping piece is arranged.
As a further improvement of the application, a flat side band is arranged on the edge above the mesh cloth, two guide wheels are symmetrically arranged above the inner rod corresponding to the inner side wall of the through groove, a gap for the side band to pass through is formed between the two guide wheels, and a clamping edge is arranged above the side band and is clamped above the two guide wheels.
As a further improvement of the application, the first clamping piece is provided with a U-shaped groove with an opening at the upper end, and the second clamping piece is clamped into the U-shaped groove.
As a further improvement of the application, the inner rod is also provided with two axially-through accommodating grooves, the two accommodating grooves are correspondingly arranged at two sides of the through groove, two sides of the mesh cloth are provided with vertically-arranged supporting plates along the length direction, the two accommodating grooves are respectively used for accommodating the two supporting plates, the side bands are provided with sleeves correspondingly arranged with the U-shaped grooves, the second clamping piece is arranged at the bottom of the accommodating groove and used for bearing the supporting plates, the second clamping piece is provided with a supporting plate, the second clamping piece is provided with a through hole, the second clamping piece is provided with a mounting hole on the inner wall of the through hole, the supporting plate covers the through hole, the supporting plate is provided with a connecting shaft, the connecting shaft and the mounting hole are rotatably arranged, the outer peripheral wall of the connecting shaft is provided with elastic bumps, the mounting hole is provided with positioning holes mutually clamped with the elastic bumps, the positioning holes are mutually communicated with the lower end faces of the second clamping piece, the U-shaped groove is internally provided with a convex post mutually corresponding to the positioning holes, the convex post is arranged in the U-shaped groove and used for bearing the supporting plates to be locked to the positioning holes, the elastic supporting plates are not used for holding the supporting plates at one end of the balance supporting plates after the elastic supporting plates are arranged in the positioning hole, and the balance supporting plates are kept at one end of the supporting plates is not fixedly connected with the supporting plates.
As a further improvement of the application, the walking component comprises a main rod, a supporting rod and a roller, wherein the upper end of the main rod is hinged with the column body, one end of the supporting rod is hinged with the main rod, and the other end of the supporting rod is connected with the column body in a locking manner.
As a further improvement of the application, the lower ends of the first positioning column and the second positioning column are pointed.
The application has the beneficial effects that: according to the application, a manner of presetting nylon cloth is beneficial to farmers to accept the worry that rice fields are dug in the process of land circulation, the problem that the area of a rice field pit occupies less than 10% of the area of the rice field is solved, the problem that the density is uncontrollable in the process of culturing the next-year crayfish can be avoided, the upper edge of the nylon cloth is higher than the second pond opening to achieve an escape prevention effect, two-stubble culture and fishing are realized by reasonably setting the culture time and the culture fishing time of the crap seedlings, the crap seedlings are put down to culture adaptation before harvesting of rice, the crap seedlings are concentrated in a culture pond to culture the crap seedlings after harvesting of rice, the crap seedlings are put in to the first pond opening for culture in 12 months, a temporary culture area is arranged in each second pond opening for preparing for the culture of the next-stubble crap seedlings, the culture time is shortened due to the fact that the culture time of the crap seedlings of the next-year crap seedlings are shorter, the crap seedlings of the next-year crap seedlings are required to be put in the large-size, the crap seedlings can be transferred to the second pond for the first-year crap seedlings in the temporary culture area, the crap seedlings of the crap seedlings can continuously grow to the large-size in the first pond, and the crap seedlings can continuously grow in the large-size area.
Drawings
FIG. 1 is a schematic diagram of a rice field modification;
FIG. 2 is a cross-sectional view of nylon cloth lay;
FIG. 3 is a schematic view of an escape-proof device
FIG. 4 is a schematic view of the mounting structure of the first positioning column and the escape preventing net;
FIG. 5 is a schematic view of a second positioning post;
FIG. 6 is a schematic cross-sectional view of a second positioning post;
FIG. 7 is a schematic view of the construction of a pile driving assembly;
FIG. 8 is a schematic view of a board;
fig. 9 is a schematic structural view of the second clip.
Reference numerals: 1. a second pond opening; 2. a seedling raising pool; 3. digging a region downwards; 4. ridging; 10. nylon cloth; 5. a first positioning column; 51. a slot; 6. an escape prevention net; 61. inserting plate; 62. installing a plugboard; 63. clamping edges; 7. a second positioning column; 71. a column; 72. an inner rod; 721. a return spring; 73. an operation lever; 74. a through groove; 8. a first clamping piece; 9. a second clamping piece; 11. a guide wheel; 12. a U-shaped groove; 13. a receiving groove; 14. a sleeve; 15. a support piece; 16. a through hole; 17. a mounting hole; 18. a connecting shaft; 19. an elastic bump; 20. positioning holes; 21. a convex column; 22. balancing iron sheets; 23. a main rod; 24. a support rod; 25. a roller; 26. a support sheet; 27. a first pond mouth.
Detailed Description
The application will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals.
1-2, a crayfish rice rotation cultivation method comprises the following steps:
step one, rice field transformation
Before seed cultivation starts, taking one tenth of the area of a paddy field as a seedling raising pool 2, and making the length-width ratio of the seedling raising pool 2 into 3 by taking 2 mu as a unit: 1-4:1, ditching along the periphery of the first pond opening 27 and forming a ridge 4, so that the gradient ratio of the ridge 4 is 1:3-1:4,
dividing the rest paddy field into a plurality of second pond openings 1 by taking 50 mu as a unit, digging 0.5 m downwards along one or two edges of the periphery of each second pond opening 1 to form a lower digging area 3, connecting the lower digging areas 3 to form a closed loop structure, arranging an escape preventing device along the edge of each second pond opening 1, arranging a temporary raising area accounting for 5% of the area of each second pond opening 1 in each second pond opening 1, enclosing the temporary raising area by using a purse net, and throwing the waterweeds in the second pond openings 1 for 10 months, wherein the throwing area of the waterweeds is not more than 30% of the water surface, and adding water to 20cm in the field;
step two, shrimp larvae are cultivated and put in
In the middle and late 8 months, all the seed shrimps are bred at each second pond mouth 1, 5kg of the seed shrimps are planted per mu, the water level is reduced by half before the rice is harvested in 10 months, water is added to the field after the rice is harvested, the water depth is 20 cm-30 cm,
sterilizing the seedling raising pond 2 in middle and late 8 months, breeding young shrimps after 150kg-200kg of the breeding shrimps per mu and 2-3 months, starting to feed young shrimps,
the shrimp larvae in the seedling raising pond 2 are put into each second pond opening 1 in the amount of 5kg-6kg per mu in 12 months, the weight of each shrimp larvae is 1g-2.6g, the compound feed is fed, and the feeding is carried out for 1 time in the morning and evening every day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day; meanwhile, when the crayfish in the seedling raising pool 2 grows to 6 g/tail, the crayfish is sequentially put into the purse net of each temporary raising area;
step three, catching and second stubble throwing
Catching the shrimps before and after 15 days, clearing the pond, and discharging the crayfish from the temporary rearing pond, supplementing the shrimp larvae to the position of each second pond opening 1, putting 50kg of high-protein compound feed into the pond, and feeding the crayfish 1 time in the morning and evening each day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day, the catching is started on 20 days of 4 months, and the catching is kept on 10 days of 5 months;
fourth, paddy field rotation
Slowly lowering the water level of the second pond opening 1 until Tian Ban is exposed at the beginning of 6 months, fishing the rest crayfish, turning the soil in the second pond opening 1 after fishing, sterilizing and insolating the second pond opening 1, and planting rice.
Preferably, the lower digging area 3 in the first step is 2-3 m wide, 1.5-2 m wide and 0.5 m deep, the no-ditch area is reserved with a mechanical channel 3.5-4.5 m wide, the dug soil is used as a ridge, the ridge is 80cm higher than the field surface, and the ridge width is 1-2 m.
Preferably, the specification of the shrimp in the second step is 20-30 tail/kg, and the male-female ratio is 3:2-2:1.
Preferably, in one embodiment, the lower digging area is used as a drainage ditch and is provided with a drainage port, in another embodiment, in the first step, after the second pond mouth 1 is dug down, nylon cloth 10 is paved in the lower digging area 3, meanwhile, 30cm-60cm of the lower end surface of the nylon cloth 10 is folded to form a folding angle and paved at the bottom of the lower digging area 3, preferably 50cm, and the dug soil is moved back into the lower digging area 3 again to cover the nylon cloth 10, and the upper edge of the nylon cloth 10 is 60cm-80cm higher than the second pond mouth, preferably 60cm.
The application also improves the escape-proof device, and the specific structure is shown in figures 3-9;
the escape preventing device comprises a first positioning column 5, an escape preventing net 6 and a second positioning column 7, the lower ends of the first positioning column 5 and the second positioning column 7 are in a pointed shape, the first positioning column 5 and the second positioning column 7 are used for fixing two ends of the escape preventing net 6 and fixedly inserted on a ridge, two side edges of the escape preventing net 6 are provided with mounting plugboards 62, the first positioning column 5 and the second positioning column 7 are provided with axial slots 51, the slots 51 are used for inserting the mounting plugboards 62, the escape preventing net 6 consists of a mesh cloth and a plurality of plugboards 61 arranged below the mesh cloth, the plugboards 61 are fixed below the mesh cloth along the length direction of the mesh cloth, the mesh cloth can be nylon mesh cloth or iron wire mesh cloth, the plugboards 61 are mutually hinged, the second positioning column 7 comprises a column 71, a walking component and a piling component, the column 71 is provided with radial through grooves 74 extending along the axial direction, by arranging the piling component, the locating plugboard 61 can be pressed down to apply force in sequence, when the second locating column 7 needs to move along the mesh cloth during construction, the mesh cloth passes through the through groove 74, so that the second locating column 7 moves along the length direction of the mesh cloth, the piling component comprises an inner rod 72, a return spring 721 and an operating rod 73, the operating rod 73 and the inner rod 72 are fixedly arranged, the inner rod 72 is sleeved in the column 71 and is slidably arranged with the column 71, the upper end of the operating rod 73 is kept to extend out of the upper end of the column 71 by the return spring 721, the operating rod 73 is controlled to be pressed down during use, the second clamping piece 9 of the inner rod 72 connected with the operating rod 73 is mutually aligned with the first clamping piece 8 arranged on the plugboard 61, when the inner rod 72 is pressed down, the inserting plate 61 is applied force downwards until the inserting plate is inserted into ridge soil, then the return spring 721 drives the operating rod 73 to return to the original position, the walking component is arranged on two outer sides of the column 71 opposite to the through groove 74, when the insert plate 61 is forced, the walking assembly plays a role of supporting the second positioning column 7, and is hinged with the column 71, so that the walking assembly can be stored, and the walking assembly is preferably a supporting leg with rollers, and is smoother through sliding movement when a user pushes the piling device to move along the escape-preventing net.
Preferably, the edge above the screen cloth is provided with flat sidebands, two guide wheels 11 are symmetrically arranged on the inner side wall of the corresponding through groove 74 above the inner rod 72, a gap for the sidebands to pass through is formed between the two guide wheels 11, a clamping edge 63 is arranged above the sidebands, the clamping edge 63 is clamped above the two guide wheels 11, when the second positioning column 7 walks along the length direction of the screen cloth, the clamping edge 63 above the screen cloth is limited and contradicted by the guide wheels 11, and the first clamping piece 8 on the plugboard 61 below the screen cloth is limited and contradicted by the second clamping piece 9 of the inner rod, so that the screen cloth is enabled to be stretched smoothly and stretched so as to avoid the screen cloth from being too loose and being hooked by the clamping piece inside the second positioning column 7.
Preferably, the first clamping piece 8 is provided with a U-shaped groove 12 with an opening at the upper end, and the second clamping piece 9 is clamped into the U-shaped groove 12, so that the first clamping piece 8 and the second clamping piece 9 are clamped and matched with each other more tightly, slipping is prevented when the clamping piece is pressed down, and force application is more uniform.
Preferably, the inner rod 72 is further provided with two axially-penetrating accommodating grooves 13, the two accommodating grooves 13 are correspondingly arranged at two sides of the through groove 74, two sides of the mesh cloth are provided with vertically-arranged supporting pieces 26 along the length direction, the two accommodating grooves 13 are respectively used for accommodating the two supporting pieces 26, the accommodating grooves 13 and the guide wheels 11 are arranged in a staggered manner, each time before the second positioning column 7 slides to a preset position of the plugboard 61, the supporting pieces 26 are manually placed into the accommodating grooves 13, the supporting pieces 26 are preferably semicircular in cross section, sleeves 14 which are correspondingly arranged with the U-shaped grooves 12 are arranged on the side bands, the second clamping pieces 9 are arranged at the bottoms of the accommodating grooves 13 and used for accommodating the supporting pieces 26, the second clamping pieces 9 are provided with accommodating pieces 15, the accommodating pieces 15 are rotatably arranged on the second clamping pieces 9, the supporting pieces 26 are supported by the accommodating pieces 15 when the supporting pieces 26 are placed in the accommodating grooves 13 in an initial state, when the inner rod 72 is pressed down, the sleeve 14 is sleeved above the supporting plate 26, the second clamping piece 9 is provided with a through hole 16, the inner wall of the through hole 16 of the second clamping piece 9 is provided with a mounting hole 17, the receiving piece 15 covers the through hole 16, the receiving piece 15 is provided with a connecting shaft 18, the connecting shaft 18 and the mounting hole 17 are rotationally arranged, so that the receiving piece 15 and the second clamping piece 9 are rotationally arranged, the second clamping piece 9 is provided with a locking structure for locking the receiving piece 15, the locking structure comprises an elastic lug 19 arranged on the peripheral wall of the connecting shaft 18, the mounting hole 17 is provided with a positioning hole 20 mutually clamped with the elastic lug 19, the positioning hole 20 is mutually communicated with the lower end face of the second clamping piece 9, a convex column 21 mutually corresponding to the positioning hole 20 is arranged in the U-shaped groove 12, when the operating rod 73 is pressed down, the convex column 21 stretches into the positioning hole 20 to eject the elastic lug 19, the elastic lug 19 releases the limitation on the connecting shaft 18, the support piece 15 is turned over under the action of gravity of the support piece 26, the balance iron piece 22 is arranged on the lower surface of the support piece 15, the balance iron piece 22 keeps the support piece 15 to be kept horizontal when no bearing exists, the support piece 15 is preferably semicircular, the inner rod 72 drives the support piece 26 to press down the support piece 15, the support piece 15 is unlocked, the support piece 26 is pressed down onto the first clamping piece 8, the support piece 26 is preferably clamped onto the first clamping piece 8, in the process of pressing down the inserting plate 61, two ends of the support piece 26 are respectively fixed on the sleeve 14 and the first clamping piece 8, so that the support piece 26 provides supporting force for mesh cloth, the effect of reinforcing mesh cloth strength played by the support piece 26 is achieved, and the second positioning column 7 can load the support piece 26 rapidly when moving to the position of the next support piece 26 through the technical scheme.
Preferably, the walking assembly comprises a main rod 23, a supporting rod 24 and a roller 25, wherein the upper end of the main rod 23 is hinged with the column 71, one end of the supporting rod 24 is hinged with the main rod 23, and the other end of the supporting rod 24 is connected with the column 71 in a locking manner, so that the supporting rod 24 plays a supporting role when the walking assembly is used.
The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the present application may occur to one skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (9)
1. A rotation culture method of crayfish rice is characterized in that: the method comprises the following steps:
step one, rice field transformation
Before planting and raising, taking one tenth of the area of a paddy field as a seedling raising pool (2), and making the length-width ratio of the seedling raising pool (2) into 3 by taking 2 mu as a unit: 1-4:1, a plurality of rectangular first pond openings (27) are dug along the periphery of the first pond openings (27) and form ridges (4), and the gradient ratio of the ridges (4) is 1:3-1:4,
dividing the rest paddy field into a plurality of second pond openings (1) by taking 50 mu as a unit, digging 0.5 m downwards along one or two edges of the periphery of each second pond opening (1) to form a downwards digging area (3), connecting the downwards digging areas (3) to form a closed loop structure, arranging an escape preventing device along the edge of each second pond opening (1), arranging a temporary raising area accounting for 5% of the area of each second pond opening (1) in each second pond opening (1), enclosing the temporary raising area by using a purse net, and throwing the waterweeds in the second pond openings (1) for 10 months, wherein the throwing area of the waterweeds is not more than 30% of the water surface, and adding water to 20cm in the field;
step two, shrimp larvae are cultivated and put in
In the middle and late 8 months, all the seed shrimps are bred in each second pond opening (1), 5kg of the seed shrimps are planted in each mu, the water level is reduced by half before the rice is harvested in 10 months, the water is added to the field with the water depth of 20 cm-30 cm after the rice is harvested,
sterilizing the seedling raising pond (2) in middle and late 8 months, breeding the young shrimps after 150kg-200kg of the bred shrimps are hatched for 2-3 months and starting to feed the young shrimps,
shrimp larvae in the seedling raising pond (2) are put into each second pond opening (1) in a putting amount of 5kg-6kg per mu in 12 months, the weight of each shrimp larvae is 1g-2.6g, compound feed is fed, and each feed is fed for 1 time in the morning and evening every day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day; meanwhile, when the crayfish in the seedling raising pool (2) grows to 6 g/tail gradually, the crayfish is sequentially put into the purse net of each temporary raising area;
step three, catching and second stubble throwing
Catching the shrimps before and after 15 days, clearing the pond, and discharging the shrimps from the temporary rearing pond, supplementing the shrimp larvae to the position that 50kg of the shrimp larvae are put into each second pond opening (1), and feeding high-protein compound feed for 1 time in the morning and evening every day; the feeding amount in the evening accounts for 2/3 of the feeding amount in the whole day, the catching is started on 20 days of 4 months, and the catching is kept on 10 days of 5 months;
fourth, paddy field rotation
Slowly lowering the water level of the second pond opening (1) until Tian Ban is exposed at the beginning of 6 months, fishing the rest crayfish, turning soil in the second pond opening (1) after fishing is completed, sterilizing and insolating the second pond opening (1), and planting rice.
2. The method for rotation culture of crayfish rice according to claim 1, wherein: in the first step, after the second pond opening (1) is dug downwards, nylon cloth (10) is paved in a lower digging area (3), meanwhile, 30cm-60cm of the lower end surface of the nylon cloth (10) is folded to form a folding angle and paved at the bottom of the lower digging area (3), and the dug soil is moved back into the lower digging area (3) again to cover the nylon cloth (10), wherein the upper edge of the nylon cloth (10) is 60cm-80cm higher than the second pond opening (1).
3. The method for rotation culture of crayfish rice according to claim 1, wherein: in the second step, the specification of the shrimp is 20-30 tail/kg, and the male-female ratio is 3:2-2:1.
4. A method for rotation culture of crayfish rice according to any one of claims 1-3, characterized in that: the escape-preventing device in the step one comprises a first positioning column (5), an escape-preventing net (6) and a second positioning column (7), wherein mounting plugboards (62) are arranged on two side edges of the escape-preventing net (6), the first positioning column (5) is provided with an axial slot (51), the slot (51) is used for plugging the mounting plugboards (62), the escape-preventing net (6) is composed of a mesh cloth and a plurality of plugboards (61) arranged below the mesh cloth, the plugboards (61) are hinged with each other, the second positioning column (7) comprises a column body (71), a walking component and a piling component, the piling component comprises an inner rod (72), a reset spring (721) and an operating rod (73), the operating rod (73) is fixedly arranged with the inner rod (72), the inner rod (72) is sleeved inside the column body (71) and is slidably arranged with the column body (71), the upper end of the operating rod (73) extends out of the column body (71), the upper end of the column body (71) is provided with a plurality of plugboards (61) which are arranged under the mesh cloth, the second positioning column (7) comprises a column body (71), the walking component and the two driving components are arranged along the axial direction opposite to the two opposite side surfaces of the column body (71) and the two opposite to each other, the two driving components are arranged along the axial direction through grooves (71) which are arranged along the two opposite grooves (74), the first clamping pieces (8) laterally extend above the inserting plates (61), and the inner side walls of the inner rods (72) are provided with the second clamping pieces (9) matched with the first clamping pieces (8).
5. The method for rotation culture of crayfish rice according to claim 4, wherein: the utility model discloses a screen cloth, including screen cloth, inner rod (72), screen cloth top limit is provided with smooth sideband along being provided with, inner rod (72) top corresponds logical groove (74) inside wall symmetry and is provided with two guide pulleys (11), forms the clearance that supplies the sideband to pass through between two guide pulleys (11), the sideband top is provided with card limit (63), and this card limit (63) card is held in two guide pulleys (11) top.
6. The method for rotation culture of crayfish rice according to claim 5, wherein: the first clamping piece (8) is provided with a U-shaped groove (12) with an opening at the upper end, and the second clamping piece (9) is clamped into the U-shaped groove (12).
7. The method for rotation culture of crayfish rice according to claim 6, wherein: the utility model discloses a positioning device for the elastic positioning device for the plastic film is characterized in that two containing grooves (13) which are axially communicated are further arranged on an inner rod (72), the two containing grooves (13) are correspondingly arranged on two sides of a through groove (74), two supporting plates (26) which are vertically arranged are arranged on two sides of a screen cloth along the length direction, the two containing grooves (13) are respectively used for containing the two supporting plates (26), a sleeve (14) which is correspondingly arranged with a U-shaped groove (12) is arranged on a side band, a second clamping piece (9) is arranged at the bottom of the containing groove (13) and is used for bearing the supporting plates (26), a bearing piece (15) is rotatably arranged on the second clamping piece (9), a through hole (16) is arranged on the second clamping piece (9), a mounting hole (17) is arranged on the inner wall of the through hole (16), the bearing piece (15) covers the through hole (16), a connecting shaft (18) is arranged on the connecting shaft (18) in a rotating mode, an elastic positioning lug (20) is arranged on the outer periphery of the connecting shaft (18), a positioning lug (20) is arranged on the second clamping piece (19), a positioning lug (20) is arranged on the elastic positioning lug (20), the convex column (21) releases the locking of the elastic protruding block (19) to the connecting shaft (18) after being inserted into the positioning hole (20), the lower surface of the bearing sheet (15) is provided with a balance iron sheet (22), the balance iron sheet (22) keeps the bearing sheet (15) horizontal when no bearing exists, one end of the supporting sheet (26) is fixed with the first clamping piece (8), and the other end of the supporting sheet is used for being inserted into the sleeve (14).
8. The method for rotation culture of crayfish rice according to claim 7, wherein: the walking assembly comprises a main rod (23), a supporting rod (24) and a roller (25), wherein the upper end of the main rod (23) is hinged with the column body (71), one end of the supporting rod (24) is hinged with the main rod (23), and the other end of the supporting rod is connected with the column body (71) in a locking manner.
9. The method for rotation culture of crayfish rice according to claim 4, wherein: the lower ends of the first positioning column (5) and the second positioning column (7) are pointed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129988.2A CN115428754B (en) | 2022-09-16 | 2022-09-16 | Crayfish rice rotation culture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211129988.2A CN115428754B (en) | 2022-09-16 | 2022-09-16 | Crayfish rice rotation culture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115428754A CN115428754A (en) | 2022-12-06 |
| CN115428754B true CN115428754B (en) | 2023-11-21 |
Family
ID=84249679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211129988.2A Active CN115428754B (en) | 2022-09-16 | 2022-09-16 | Crayfish rice rotation culture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115428754B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830834A (en) * | 2016-04-05 | 2016-08-10 | 湖北省潜江市华山水产食品有限公司 | Novel crayfish and rice rotation breeding and planting method |
| CN106472377A (en) * | 2016-10-21 | 2017-03-08 | 刘挺 | Method supported by a kind of field pool connection of Procambarus clakii |
| CN109247281A (en) * | 2018-10-19 | 2019-01-22 | 安徽农业大学 | A kind of rice field-culture pond makes knots altogether closes aquaculture system and cultural method |
| CN110651737A (en) * | 2019-11-04 | 2020-01-07 | 江苏省农业科学院宿迁农科所 | Method for breeding crayfishes by building arched shed above circular ditch of rice and shrimp field |
| CN111480604A (en) * | 2020-06-05 | 2020-08-04 | 江苏省淡水水产研究所 | Method for cultivating shrimps and crabs in rotation in green and efficient rice field co-farming mode |
| CN111789057A (en) * | 2020-06-24 | 2020-10-20 | 长江大学 | Healthy and efficient crayfish breeding system and method in shrimp and rice continuous cropping mode |
| CN112021109A (en) * | 2020-09-14 | 2020-12-04 | 湖北省农业科学院植保土肥研究所 | Rice and shrimp co-culture method for breeding and separating |
| CN112438224A (en) * | 2020-12-21 | 2021-03-05 | 通威股份有限公司 | Cultivation method and cultivation pond for cultivating and separating crayfishes in five crops in one year |
| CN114885875A (en) * | 2022-06-07 | 2022-08-12 | 江苏省渔业技术推广中心 | Rice field double-shrimp alternate-culture comprehensive planting and breeding method |
-
2022
- 2022-09-16 CN CN202211129988.2A patent/CN115428754B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105830834A (en) * | 2016-04-05 | 2016-08-10 | 湖北省潜江市华山水产食品有限公司 | Novel crayfish and rice rotation breeding and planting method |
| CN106472377A (en) * | 2016-10-21 | 2017-03-08 | 刘挺 | Method supported by a kind of field pool connection of Procambarus clakii |
| CN109247281A (en) * | 2018-10-19 | 2019-01-22 | 安徽农业大学 | A kind of rice field-culture pond makes knots altogether closes aquaculture system and cultural method |
| CN110651737A (en) * | 2019-11-04 | 2020-01-07 | 江苏省农业科学院宿迁农科所 | Method for breeding crayfishes by building arched shed above circular ditch of rice and shrimp field |
| CN111480604A (en) * | 2020-06-05 | 2020-08-04 | 江苏省淡水水产研究所 | Method for cultivating shrimps and crabs in rotation in green and efficient rice field co-farming mode |
| CN111789057A (en) * | 2020-06-24 | 2020-10-20 | 长江大学 | Healthy and efficient crayfish breeding system and method in shrimp and rice continuous cropping mode |
| CN112021109A (en) * | 2020-09-14 | 2020-12-04 | 湖北省农业科学院植保土肥研究所 | Rice and shrimp co-culture method for breeding and separating |
| CN112438224A (en) * | 2020-12-21 | 2021-03-05 | 通威股份有限公司 | Cultivation method and cultivation pond for cultivating and separating crayfishes in five crops in one year |
| CN114885875A (en) * | 2022-06-07 | 2022-08-12 | 江苏省渔业技术推广中心 | Rice field double-shrimp alternate-culture comprehensive planting and breeding method |
Non-Patent Citations (2)
| Title |
|---|
| 池塘和稻田生态种养典型模式(6) 稻-虾生态种养模式;湖南农业(第06期) * |
| 稻渔综合种养生产技术指南;农技服务(第04期) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115428754A (en) | 2022-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108668982A (en) | A kind of rice shrimp makees cultural method altogether | |
| CN109601292A (en) | A kind of method of the comprehensive breeding of green high-efficient shrimp rice | |
| CN210900695U (en) | Celestial grass, crayfish, rice symbiotic culture system | |
| CN111480604A (en) | Method for cultivating shrimps and crabs in rotation in green and efficient rice field co-farming mode | |
| CN113647349B (en) | Rice and shrimp comprehensive planting and breeding method based on trenchless paddy field transformation | |
| CN103718991A (en) | Ecological breeding method of paddy field polyculture of pseudorasbora parva and procambarus clarkii | |
| CN114931074A (en) | Water supply pipeline and corresponding culture system | |
| CN111887111A (en) | Method and system for comprehensively breeding rice, cress and red swamp crayfish | |
| CN110679416A (en) | Eel, toad and rice symbiotic breeding method | |
| CN111386992A (en) | Comprehensive breeding method and device for rice, shrimp and crab | |
| CN104521654A (en) | Method for managing pool eutrophication by planting rice | |
| CN115428754B (en) | Crayfish rice rotation culture method | |
| CN109937822A (en) | A method of carrying out the comprehensive breeding of rice fishing in tidal flat of Jiangsu Province farmland | |
| CN111771648A (en) | Method for intercropping crayfish and micropterus salmoides in lotus root pond | |
| CN113854211B (en) | Method for breeding shrimps in paddy field based on lotus shrimp and bee fish comprehensive breeding mode | |
| CN112703983B (en) | Rice and shrimp crop rotation method based on one-season mid-season rice | |
| CN113841642A (en) | Efficient crayfish breeding method with coupled breeding and breeding | |
| CN110810305A (en) | Method for co-culturing rice and shrimp | |
| CN112690236B (en) | Method for breeding large-size rice field river crabs | |
| CN110012854A (en) | A kind of rice shrimp aquaculture method | |
| CN107318715A (en) | A kind of mastacembelus aculeatus and the careless ecological cultivation method of wild rice | |
| CN115088654B (en) | Method for raising crayfish in paddy field | |
| CN113875661B (en) | Rice-crayfish-macrobrachium nipponensis comprehensive planting and breeding method | |
| CN112293323B (en) | Paddy field-based lobster breeding method | |
| CN115589972B (en) | Snail river crab relay ecological breeding method based on pond transformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |