CN109169454A - A kind of rice field cray comprehensive breeding method - Google Patents

A kind of rice field cray comprehensive breeding method Download PDF

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Publication number
CN109169454A
CN109169454A CN201811266249.1A CN201811266249A CN109169454A CN 109169454 A CN109169454 A CN 109169454A CN 201811266249 A CN201811266249 A CN 201811266249A CN 109169454 A CN109169454 A CN 109169454A
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rice
field
ditch
water
rice field
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CN201811266249.1A
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Inventor
王建平
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Yongzhou Jianxiang Fish Culture Professional Cooperative
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Yongzhou Jianxiang Fish Culture Professional Cooperative
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Priority to CN201811266249.1A priority Critical patent/CN109169454A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/59Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • A01G22/20Cereals
    • A01G22/22Rice
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/06Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a kind of rice field cray comprehensive breeding methods, the present invention includes rice field selection, rice field planning, shrimp seedling is launched, feeding management, daily management, it is caught at shrimp, juvenile prawn, which is mended, throws and close shrimp retention and Rice Cropping, the present invention hangs with waste disk and drives aquatic bird by the annular ditch and intermediate " ten " font or " well " font field ditch dug in rice field, while preventing aquatic bird from preying on cray, also destruction of the birds to spike of rice is driven, in addition the excrement of cray provides fertilizer again for paddy growth, so as to improve Ecological Environment of Paddy Field, improve rice yield, and supported cray is because of rice field dissolved oxygen in water abundance, general seldom morbidity, be conducive to obtain larger economic benefit, and annular ditch and field ditch are reasonably designed and are applied, it provides convenience to feeding and fishing, it will not influence the plantation of rice, Rice and cray is set to get bumper harvests.

Description

A kind of rice field cray comprehensive breeding method
Technical field
The present invention relates to a kind of cultural methods of cray, and in particular to a kind of rice field cray comprehensive breeding method.
Background technique
Freshwater crayfish scientific name Procambius clarkii, abbreviation cray are one kinds of crayfist, and cray is in taxology On belong to Arthropoda, Crustachia, Decapoda intends Astacidae, sliding Astacus, from morphosis, cray body surface without Obvious thorns, cephalothorax have 13 body segments, and abdomen has 7 body segments, and body surface is covered with chitin crust, and biramous type appendage is right Chelicera, this is to chelicera namely first pair of step, and in addition 4 pairs of steps are powerful not as good as first pair, and feeler 1 is right, antennule 2 It is right, there is swimmeret 4 right in abdomen, be born in the 2nd to the 5th uromere respectively, the uropodium of tail portion and the 6th uromere evolves into caudal peduncle, cephalothorax By carapace outside portion, there is volume sword in front, and male shrimp has 1 pair of gonapophysis in the 5th pair of step base portion, there is gonopore among it, and female shrimp exists 3rd pair of step base portion has 1 pair of gonopore, more apparent, and female shrimp is smaller than male shrimp individual, small by 1/4~1/3, in addition, cray is most Suitable growth temperature is 21~28 DEG C, and growth is suppressed when lower than 12 DEG C, its larval growth is slow under cryogenic conditions, but survival rate It is higher.
According to appeal feature it is found that cray is one of rare economic shrimp species in the world, belong to tropical animal, it numerous The temperature for growing environment necessarily is greater than 24 degrees Celsius (temperature and water temperatures), so wanting throughout the year in the natural environment in subtropical zone or temperate zone In carry out breeding hatching, not may, in addition, cray natural resources are sharply in recent years since the market demand sharply increases It reduces, price is gradually high, therefore need to meet the market demand by artificial scientific culture, in order to consider economic benefit, at present Though scale increases sharply with area, and paddy field aquaculture method is improper with mode, and lobster is more divided using the comprehensive intercropping in rice field It dissipates, thus it is both inconvenient when being caught to lobster, while the escape of cray and the predation of enemy also easily occurs, so that small dragon The survival rate of shrimp is affected with yield, and cannot be guaranteed that raiser obtains corresponding economic benefit.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art, It is an object of the present invention to provide a kind of rice field cray integrated culture sides Method, this method from rice field selection, rice field planning, shrimp seedling dispensing, feeding management, daily management, at shrimp fishing, juvenile prawn mend throw and parent Shrimp is retained and many-sided stringent controls such as Rice Cropping, is finally reached cray high yield, and paddy increases income, the mesh of economic benefit multiplication 's.
The purpose of the present invention can be achieved through the following technical solutions: a kind of rice field cray comprehensive breeding method, special Sign is, comprising the following steps:
A, rice field selects: selection source quality is excellent, pollution-free, and irrigation and drainage are convenient, and drought and waterlogging are carefree, the deeper rice in flakes of arable layer Field;
B, rice field is planned:
S1, ditching: at the m of 7m~8, annular ditch is excavated into rice field along rice field ridge outer rim, levee toe is excavated away from ditch 2m, furrow width 3m ~4 m, ditch depth 1m or so, rice field area reach 50 mu or more, and linear type or " ten " font field ditch are excavated between Tanaka, Furrow width 1m~2m, ditch depth 0.8m, slope ratio 1:1.5 or more;
S2, ridge building: it reinforced, increased using the soil that excavation annular ditch is dug out, widening ridge, ridge often adds one layer of mud when reinforcing Soil will be tamped, and ridge should be higher than that field face 0.6m~0.8m, top width 2m~3m;
S3, escaping-preventing facilities: setting anti-escape network on rice field drainage mouth and ridge, and waste disk is arranged on ridge and drives aquatic bird;
S4 is into pumping equipment: drainage mouth is located at rice field both ends, and irrigation channel is built on the ridge of rice field one end, into, row The elongated mesh bag filtered water inlet of 20 mesh of the mouth of a river, prevents harmful organisms from entering with water flow, and discharge outlet build rice field other end annular in The lower of ditch;
The cultivation of S5 water plant: water plant is transplanted in annular ditch and field ditch, water plant includes submerged plant and fluitante, submerged plant face Product is the 50%~60% of annular ditch and field ditch area, fluitante area be annular ditch and field ditch area 5%~ 10%, and fixed with bamboo frame;
C, shrimp seedling is launched:
S1 prepares before launching: shrimp seedling is launched first 7 days, in annular ditch and the fermented decomposed farmyard manure of field ditch spread and is had prebiotic Object, dosage is 100kg~150kg per acre, is the agreeable to the taste natural bait biology of juvenile shrimp cultivation with probiotics regulating water quality;
The selection of S2 shrimp seedling: selection color blueness or light red color, glossy, appendage is complete, energetic, and specification is relatively neat, soft shell Shrimp is few, active healthy and strong, disease-free and injury-free shrimp seedling;
S3 is rationally launched: juvenile prawn disperses to be launched at fine day morning, dusk or cloudy day by the way of " three into three go out ", density Control exists: 5000-6000 tail per acre;
D, feeding management: since natural bait is limited in rice field, for the yield for improving rice field cray, artificial bait is required supplementation with Material, accomplishes to determine matter, timing, positioning and quantitative dispensing artitificial food daily, feeds one in the platform shoal of balk weekly Secondary animal fodder, feeding volume are advisable with the 2%~5% of shrimp total weight, when water temperature is lower than 12 DEG C, can not feed, March in next year Part, when water temperature rises to 16 DEG C or more, the secondary water plant of throwing every month, dosage is 100kg/ mus~150kg/ mus, feeds one weekly Secondary animal fodder, dosage are 0.5kg/ mus~1.0kg/ mus, and daily also to feed 1 man-made feeds at dusk, feeding volume is rice The 1%~4% of shrimp weight is deposited in field, to accelerate the growth of cray;
E, daily management: when fine day has the sun, water more shallowly can allow the sun to shine water so that water temperature is gone up as early as possible;Rainy days or cold Weather, water should be deep, in order to avoid water temperature drop, Soil surface water depth is 30cm~60cm;
F, throwing is mended at shrimp fishing, juvenile prawn and close shrimp is retained:
S1 fishing time: first batch of fishing time starts from late February, and to terminating by the end of March, second batch starts from mid-April, to 6 The first tenday period of a month moon terminate;Third stubble fishing time is since early August, to terminating by the end of September;
S2 fishing tool: fishing tool is mainly cage, and cage mesh specification should be 2.5~3.0cm, and guarantee is caught at shrimp, Juvenile prawn can be run away by mesh;
S3 catching method: cage net is put in the annular ditch and field ditch in rice field, puts position every 3~10 days conversion cage nets It sets, when being significantly reduced when quantity of the catch ratio is opened and caught, the ponding in rice field can be discharged, cage is concentrated in shrimp ditch and is caught, catch It follows to catch when fishing and stays small principle greatly, and avoid injuring juvenile prawn because of extruding;
S4 juvenile prawn mend throw: after first batch catch, juvenile prawn situation is retained according to rice field, per acre benefit put 3~4cm juvenile prawn 1000~ 3000 tails;
S5 parent shrimp is retained: during third stubble is caught, early period be catch stay greatly it is small, the later period catch it is small stay big, it is many per acre that close shrimp deposits field amount In 15kg;
G, Rice Cropping: paddy fields are put into water, 3~5 centimetres of water level, rice transplantation by hand is then carried out or broadcasts sowing, spacing is 28 35 centimetres of cm x.
Beneficial organism in the step C is water earthworm, river snail and freshwater mussel, and water earthworm throws 0.3-0.5Kg/m2, river snail throw 8-10/m2, freshwater mussel throw 3-4/m2
In the step C mode of " three into three go out " disperse to carry out to launch specific practice be: one by one into the water by seedling box It brings out the water surface after standing 30 seconds one by one again and stands 1-2 minutes, dissipate seed whole branch in big Tanaka after repeating 2-3 times.
The rice varieties blade spreading angle is small, the strong tight fringe type kind of disease and insect resistance, resistant to lodging and fertilizer tolerability.
The application should use the biological pesticide of efficient, low toxicity, low-residual.
The fertilising will be adhered to based on application of organic fertilizers, supplemented by inorganic fertilizer, heavy dressing base manure, and light spraying fertilizer.
The artitificial food is made of following raw material: 30-45 parts of grouts, 20-30 parts of wheat bran, 10-15 parts of rice bran, 20-30 parts of bean dregs.
Beneficial effects of the present invention: the annular ditch and intermediate linear type or " ten " font field ditch dug in rice field is equal It hangs with waste disk and drives aquatic bird, while preventing aquatic bird from preying on cray, also drive destruction of the birds to spike of rice, supported in rice field Cray is grown, weeds, zoobenthos, planktonic organism and pest of field growth etc. are most of to be eaten up by cray, is disappeared to rice In addition to enemy, make the nutrient of Tanaka not by these biological consumptions, and the excrement of cray provided again for paddy growth it is high-quality Fertilizer improves rice yield so as to improve Ecological Environment of Paddy Field, and supported cray is because of rice field dissolved oxygen in water abundance, General seldom morbidity, is conducive to obtain larger economic benefit, and annular ditch and field ditch reasonably designs and applys, give feeding with Fishing is provided convenience, and will not influence the plantation of rice, and rice and cray is made to get bumper harvests.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be described in further detail.
Present invention be characterized in that, comprising the following steps:
A, rice field selects: selection source quality is excellent, pollution-free, and irrigation and drainage are convenient, and drought and waterlogging are carefree, the deeper rice in flakes of arable layer Field;
B, rice field is planned:
S1, ditching: at the m of 7m~8, annular ditch is excavated into rice field along rice field ridge outer rim, levee toe is excavated away from ditch 2m, furrow width 3m ~4 m, ditch depth 1m or so, rice field area reach 50 mu or more, and " ten " font or " well " font field ditch are excavated between Tanaka, Furrow width 1m~2m, ditch depth 0.8m, slope ratio 1:1.5 or more;
S2, ridge building: it reinforced, increased using the soil that excavation annular ditch is dug out, widening ridge, ridge often adds one layer of mud when reinforcing Soil will be tamped, and ridge should be higher than that field face 0.6m~0.8m, top width 2m~3m;
S3, escaping-preventing facilities: setting anti-escape network on rice field drainage mouth and ridge, and waste disk is arranged on ridge and drives aquatic bird;
S4 is into pumping equipment: drainage mouth is located at rice field both ends, and irrigation channel is built on the ridge of rice field one end, into, row The elongated mesh bag filtered water inlet of 20 mesh of the mouth of a river, prevents harmful organisms from entering with water flow, and discharge outlet build rice field other end annular in The lower of ditch;
The cultivation of S5 water plant: water plant is transplanted in annular ditch and field ditch, water plant includes submerged plant and fluitante, submerged plant face Product is the 50%~60% of annular ditch and field ditch area, fluitante area be annular ditch and field ditch area 5%~ 10%, and fixed with bamboo frame;
C, shrimp seedling is launched:
S1 prepares before launching: shrimp seedling is launched first 7 days, in annular ditch and the fermented decomposed farmyard manure of field ditch spread and is had prebiotic Object, dosage is 100kg~150kg per acre, is the agreeable to the taste natural bait biology of juvenile shrimp cultivation with probiotics regulating water quality;
The selection of S2 shrimp seedling: selection color blueness or light red color, glossy, appendage is complete, energetic, and specification is relatively neat, soft shell Shrimp is few, active healthy and strong, disease-free and injury-free shrimp seedling;
S3 is rationally launched: juvenile prawn disperses to be launched at fine day morning, dusk or cloudy day by the way of " three into three go out ", density Control exists: 5000-6000 tail per acre;
D, feeding management: since natural bait is limited in rice field, for the yield for improving rice field cray, artificial bait is required supplementation with Material accomplishes timing, positioning and quantitative dispensing artitificial food daily, feeds an animal in the platform shoal of balk weekly Property feed, feeding volume is advisable with the 2%~5% of shrimp total weight, when water temperature is lower than 12 DEG C, can not feed, March in next year, work as water Temperature rises to 16 DEG C or more, throws secondary water plant every month, and dosage is 100kg/ mus~150kg/ mus, feeds an animality weekly Feed, dosage are 0.5kg/ mus~1.0kg/ mus, daily also to feed 1 man-made feeds at dusk, and feeding volume is that shrimp weight is deposited in rice field The 1%~4% of amount, to accelerate the growth of cray;
E, daily management: when fine day has the sun, water more shallowly can allow the sun to shine water so that water temperature is gone up as early as possible;Rainy days or cold Weather, water should be deep, in order to avoid water temperature drop, Soil surface water depth is 30cm~60cm;
F, throwing is mended at shrimp fishing, juvenile prawn and close shrimp is retained:
S1 fishing time: first batch of fishing time starts from late February, and to terminating by the end of March, second batch starts from mid-April, to 6 The first tenday period of a month moon terminate;Third stubble fishing time is since early August, to terminating by the end of September;
S2 fishing tool: fishing tool is mainly cage, and cage mesh specification should be 2.5~3.0cm, and guarantee is caught at shrimp, Juvenile prawn can be run away by mesh;
S3 catching method: cage net is put in the annular ditch and field ditch in rice field, is placed every 3~10 days conversion cage nets Position can be discharged the ponding in rice field, cage is concentrated in shrimp ditch and is caught when significantly reducing when quantity of the catch ratio is opened and caught, It follows to catch when fishing and stays small principle greatly, and avoid injuring juvenile prawn because of extruding;
S4 juvenile prawn mend throw: after first batch catch, juvenile prawn situation is retained according to rice field, per acre benefit put 3~4cm juvenile prawn 1000~ 3000 tails;
S5 parent shrimp is retained: during third stubble is caught, early period be catch stay greatly it is small, the later period catch it is small stay big, it is many per acre that close shrimp deposits field amount In 15kg;
G, Rice Cropping: paddy fields are put into water, 3~5 centimetres of water level, rice transplantation by hand is then carried out or broadcasts sowing, spacing is 28 35 centimetres of cm x.
Beneficial organism in the step C is water earthworm, river snail and freshwater mussel, and water earthworm throws 0.3-0.5Kg/m2, river snail throw 8-10/m2, freshwater mussel throw 3-4/m2
In the step C mode of " three into three go out " disperse to carry out to launch specific practice be: one by one into the water by seedling box It brings out the water surface after standing 30 seconds one by one again and stands 1-2 minutes, dissipate seed whole branch in big Tanaka after repeating 2-3 times.
The rice varieties blade spreading angle is small, the strong tight fringe type kind of disease and insect resistance, resistant to lodging and fertilizer tolerability.
The application should use the biological pesticide of efficient, low toxicity, low-residual.
The fertilising will be adhered to based on application of organic fertilizers, supplemented by inorganic fertilizer, heavy dressing base manure, and light spraying fertilizer.
The artitificial food is made of following raw material: 30-45 parts of grouts, 20-30 parts of wheat bran, 10-15 parts of rice bran, 20-30 parts of bean dregs.
An example of the present invention is given below.
Embodiment 1
Rice management: the annual 4-5 month, gradually decreasing water level in paddy field, return to cray in annular ditch and field ditch, dry field 3-5 It, makes among field not fall into foot, and field side surface soil crack and is not whitened, then one week high placing close to annular ditch and field ditch 30cm, the low bank of earth between fields of wide 20cm separate annular ditch, field ditch and field face, mu 200~300kg of applications of farmyard manure, and urea 10~ 15kg, be uniformly sprinkling upon field face and with machine turn over rake it is even, start rice transplantation by hand or machine rice transplantation mid-June or broadcast sowing, spacing is 28 35 centimetres of cm x remove the low bank of earth between fields after rice transplanting 10 days, are connected to annular ditch, field ditch with field face, early period field accomplish it is thin Water turns green, shallow water tiller, reaches seedling dry field;Moisture management after dry field rehydration, boot stage keep certain water layer;Using dry after heading Wet alternate management meets high temperature and fills deep water temperature adjustment;Harvest the last week cuts off the water supply, 10~November before Wintering Period, water level in paddy field control In 30cm or so, the rice root and stem of certain plants is made to expose the surface 10cm or so;Overwintering period water level control is in 40~50cm.
Cray management:
It feeds: monthly throwing a water plant before December, dosage is 150kg/ mus;Apply primary decomposed farmyard manure, dosage 100kg/ Mu~150kg/ mus, an animal fodder is fed in the platform shoal of balk weekly or Procambius clarkii Special artificial is matched It closes feed (crude protein content 30%~32%), feeding volume is advisable with the 2%~5% of shrimp total weight, and specific feeding volume should be according to weather Situation adjustment is taken the photograph with shrimp, when water temperature is lower than 12 DEG C, can not be fed, March in next year, when water temperature rises to 16 DEG C or more, often Secondary water plant is thrown within a month, dosage is 100kg/ mus~150kg/ mus, feeds an animal fodder, dosage 0.5kg/ weekly Mu~1.0kg/ mus, feed 1 man-made feeds at dusk daily, feeding volume is that rice field deposits the 1%~4% of shrimp weight, to accelerate kirschner The growth of former crayfish can have Procambius clarkii Special artificial mixed feed (crude protein content 28%~30%) grouts, bran with feed Pi Shi, rice bran, bean dregs etc., the feed fed should meet the requirement of GB 13078 and NY5072.
Often inspection, regulate and control the depth of water: November to December keeps Soil surface water depth 30cm~50cm, with the decline of temperature, by Gradually deepen water level to 40cm~60cm, controls water temperature with the method for adjusting the depth of water when water temperature in March of second year is gone up, promote Water temperature is more suitable for the growth of Procambius clarkii, and the method for regulation is: when fine day has the sun, water can more shallowly, allow the sun shine water so as to Water temperature is gone up as early as possible;Rainy days or cold snap, water should be deep, in order to avoid water temperature drop.
It launches beneficial organism: before and after shrimp species are launched, launching some beneficial organisms in ditch again, as water earthworm (throws 0.3- 0.5Kg/m2), the such as river snail (8-10/m2), freshwater mussel (3-4/m2) can both purify water, and can provide for cray abundant Natural bait.
Prevent enemy: Procambius clarkii is raised in rice field, and enemy is more, as the frog, water snake, swamp eel, predacious fish, water are old Mouse and aquatic bird etc. remove harmful organisms with quick lime before putting in a suitable place to breed, with dosage are per acre 75kg when water inlet.

Claims (7)

1. a kind of rice field cray comprehensive breeding method, which comprises the following steps:
A, rice field selects: selection source quality is excellent, pollution-free, and irrigation and drainage are convenient, the sorrow of no drought and waterlogging, the deeper rice in flakes of arable layer Field;
B, rice field is planned:
S1, ditching: at the m of 7m~8, annular ditch is excavated into rice field along rice field ridge outer rim, levee toe is excavated away from ditch 2m, furrow width 3m ~4 m, ditch depth 1m or so, rice field area reach 50 mu or more, and " ten " font or " well " font field ditch are excavated between Tanaka, Furrow width 1m~2m, ditch depth 0.8m, slope ratio 1:1.5 or more;
S2, ridge building: it reinforced, increased using the soil that excavation annular ditch is dug out, widening ridge, ridge often adds one layer of mud when reinforcing Soil will be tamped, and ridge should be higher than that field face 0.6m~0.8m, top width 2m~3m;
S3, escaping-preventing facilities: setting anti-escape network on rice field drainage mouth and ridge, and waste disk is arranged on ridge and drives aquatic bird;
S4 is into pumping equipment: drainage mouth is located at rice field both ends, and irrigation channel is built on the ridge of rice field one end, into, row The elongated mesh bag filtered water inlet of 20 mesh of the mouth of a river, prevents harmful organisms from entering with water flow, and discharge outlet build rice field other end annular in The lower of ditch;
The cultivation of S5 water plant: water plant is transplanted in annular ditch and field ditch, water plant includes submerged plant and fluitante, submerged plant face Product is the 50%~60% of annular ditch and field ditch area, fluitante area be annular ditch and field ditch area 5%~ 10%, and fixed with bamboo frame;
C, shrimp seedling is launched:
S1 prepares before launching: shrimp seedling is launched first 7 days, in annular ditch and the fermented decomposed farmyard manure of field ditch spread and is had prebiotic Object, dosage is 100kg~150kg per acre, is the agreeable to the taste natural bait biology of juvenile shrimp cultivation with probiotics regulating water quality;
The selection of S2 shrimp seedling: selection color blueness or light red color, glossy, appendage is complete, energetic, and specification is relatively neat, soft shell Shrimp is few, active healthy and strong, disease-free and injury-free shrimp seedling;
S3 is rationally launched: juvenile prawn carries out at fine day morning, dusk or cloudy day, disperses to launch by the way of " three into three go out ", close Degree control exists: 5000-6000 tail per acre;
D, feeding management: since natural bait is limited in rice field, for the yield for improving rice field cray, artificial bait is required supplementation with Material, accomplishes to determine matter, timing, positioning and quantitative dispensing artitificial food daily, feeds one in the platform shoal of balk weekly Secondary animal fodder, feeding volume are advisable with the 2%~5% of shrimp total weight, when water temperature is lower than 12 DEG C, can not feed, March in next year Part, when water temperature rises to 16 DEG C or more, the secondary water plant of throwing every month, dosage is 100kg/ mus~150kg/ mus, feeds one weekly Secondary animal fodder, dosage are 0.5kg/ mus~1.0kg/ mus, and daily also to feed 1 man-made feeds at dusk, feeding volume is rice The 1%~4% of shrimp weight is deposited in field, to accelerate the growth of cray;
E, daily management: when fine day has the sun, water more shallowly can allow the sun to shine water so that water temperature is gone up as early as possible;Rainy days or cold Weather, water should be deep, in order to avoid water temperature drop, Soil surface water depth is 30cm~60cm;
F, throwing is mended at shrimp fishing, juvenile prawn and close shrimp is retained:
S1 fishing time: first batch of fishing time starts from late February, and to terminating by the end of March, second batch starts from mid-April, to 6 The first tenday period of a month moon terminate;Third stubble fishing time is since early August, to terminating by the end of September;
S2 fishing tool: fishing tool is mainly cage, and cage mesh specification should be 2.5~3.0cm, and guarantee is caught at shrimp, Juvenile prawn can be run away by mesh;
S3 catching method: cage net is put in the annular ditch and field ditch in rice field, is placed every 3~10 days conversion cage nets Position can be discharged the ponding in rice field, cage is concentrated in shrimp ditch and is caught when significantly reducing when quantity of the catch ratio is opened and caught, It follows to catch when fishing and stays small principle greatly, and avoid injuring juvenile prawn because of extruding;
S4 juvenile prawn mend throw: after first batch catch, juvenile prawn situation is retained according to rice field, per acre benefit put 3~4cm juvenile prawn 1000~ 3000 tails;
S5 parent shrimp is retained: during third stubble is caught, early period be catch stay greatly it is small, the later period catch it is small stay big, it is many per acre that close shrimp deposits field amount In 15kg;
G, Rice Cropping: paddy fields are put into water, 3~5 centimetres of water level, rice transplantation by hand is then carried out or broadcasts sowing, spacing is 28 35 centimetres of cm x.
2. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that having in the step C is prebiotic Object is water earthworm, river snail and freshwater mussel, and water earthworm throws 0.3-0.5Kg/m2, river snail throw 8-10/m2, freshwater mussel throw 3-4/m2
3. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that " three into three in the step C Mode out " disperses launch specific practice: bringing out the water surface one by one again after seedling box is stood 30 seconds into the water one by one 1-2 minutes are stood, dissipates seed whole branch in big Tanaka after repeating 2-3 times.
4. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that the rice varieties blade is opened Subtended angle degree is small, the strong tight fringe type kind of disease and insect resistance, resistant to lodging and fertilizer tolerability.
5. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that the application should use efficiently, The biological pesticide of low toxicity, low-residual.
6. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that the fertilising will be adhered to applying Based on organic fertilizer, supplemented by inorganic fertilizer, heavy dressing base manure, light spraying fertilizer.
7. by a kind of rice field cray comprehensive breeding method described in claim 1, it is characterised in that the artitificial food is by following Raw material is made: 30-45 parts of grouts, 20-30 parts of wheat bran, 10-15 parts of rice bran, 20-30 parts of bean dregs.
CN201811266249.1A 2018-10-29 2018-10-29 A kind of rice field cray comprehensive breeding method Pending CN109169454A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109997755A (en) * 2019-05-24 2019-07-12 杨晓成 A kind of rice shrimp aquaculture method
CN110178773A (en) * 2019-05-27 2019-08-30 安徽大桥湾生态农业科技有限公司 A kind of rice field shrimp farming method of science
CN110800575A (en) * 2019-12-09 2020-02-18 和县农丰龙虾养殖专业合作社 Ecological circulating breeding method for lobsters in rice field
CN110859114A (en) * 2019-11-20 2020-03-06 灌南县农业技术推广中心 Ecological comprehensive breeding method for rice field
CN111480543A (en) * 2020-05-09 2020-08-04 连州市贤鱼水产养殖专业合作社 Ecological planting and rotation mode for rice, aquatic products and flowering cabbage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109997755A (en) * 2019-05-24 2019-07-12 杨晓成 A kind of rice shrimp aquaculture method
CN110178773A (en) * 2019-05-27 2019-08-30 安徽大桥湾生态农业科技有限公司 A kind of rice field shrimp farming method of science
CN110859114A (en) * 2019-11-20 2020-03-06 灌南县农业技术推广中心 Ecological comprehensive breeding method for rice field
CN110800575A (en) * 2019-12-09 2020-02-18 和县农丰龙虾养殖专业合作社 Ecological circulating breeding method for lobsters in rice field
CN111480543A (en) * 2020-05-09 2020-08-04 连州市贤鱼水产养殖专业合作社 Ecological planting and rotation mode for rice, aquatic products and flowering cabbage

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Application publication date: 20190111