CN106941988B - One seed shrimp, rice, barley continuous cropping ecological circulation breeding new model - Google Patents

Abstract

The present invention provides a seed shrimp, rice, feeding barley continuous cropping ecological circulation breeding new models, after shrimp fishing is supported in rice field, according to organic planting patterns one season of plantation high-grade rice, a season feeding barley is planted after rice harves, by adjusting the sowing time of well feeding barley, so that height of seedling reaches 20 centimeters to barley before water cultivation cray in second year field, barley seedling is as the good nutrient fodder of cray at this time.Mode of the present invention makes full use of shrimp seed rice to support the resource of field, solves the problems, such as idle to about 3 half a months before water in second year field or so time field after common shrimp rice plant breeding model rice harves, had both taken full advantage of the resource of field, has increased multiple crop index.In short, plant breeding model high efficiency of the present invention, production cost are low, field utilization rate is high, and benign ecological cycles are formd, becomes green, environmentally friendly, low-carbon rice shrimp species support new model.

Description

One seed shrimp, rice, barley continuous cropping ecological circulation breeding new model

Technical field

The present invention relates to ecologic breeding fields, and in particular to a seed shrimp, rice, the new mould of barley continuous cropping ecological circulation breeding Formula.

Background technique

The shrimp rice that peasant uses makees comprehensive plant breeding model altogether, mainly with small investment, risk is small, the period is short, it is quick, Feature profitable, operation is easy.Using shrimp rice altogether as example, per mu yield high quality paddy (organic paddy quality) 500kg or so, shrimp increases It receives, general per mu yield cray 75-100kg, adds up to per mu yield value 6000-8000 member, 3000 yuan of net income or more per acre, compare simple species Common rice mu net income increases by 2500 yuan or more.In addition, feeding barley can save nursing cost as cray feed, it is real Border benefit will also increase.

In recent years, cray domestic market demand increasingly increases, and the situation that supply falls short of demand, especially domestic consumption is presented more To be hot, cray price holds fast rise, and becomes the maximum kind of amount of increase in aquatic products.The high quality white rice market demand is in simultaneously Existing good ascendant trend, people, which pursue the good rice product of consumption safety, becomes new normality.

The place of production highest price per kilogram of the first half of the year city in 2016 is up to 60 yuan, and average price is more than 15 yuan, grain quality rice the price of rice For lattice at 5 yuan or more, shrimp rice makees that economic benefit is very significant altogether, excites the enthusiasm of peasant, has effectively pulled rice field comprehensive The development of breeding.

Summary of the invention

The invention discloses a seed shrimp, rice, barley continuous cropping ecological circulation breeding new models.This plant breeding model can be abundant Using idle farmland resource, lowers the breeding cost of agriculture fisherman, increase economic efficiency.

The technical solution adopted by the invention is as follows:

One seed shrimp, rice, feeding barley continuous cropping ecological circulation breeding new model, it is characterised in that: support shrimp fishing in rice field After, according to organic planting patterns one season of plantation high-grade rice, a season feeding barley is planted after rice harves, by adjusting good The sowing time of barley, so that Chinese cabbage is growing to 20 centimeters to barley seedling before water cultivation cray in second year field around the Spring Festival Height, the residue after barley seedling is eaten up as the fabulous feed of cray, lobster at this time can make green manure.

One seed shrimp, rice, barley continuous cropping ecological circulation breeding new model, which is characterized in that concrete operations include The following contents: the cultivation of lobster field, organic paddy rice cultivation and barley cultivation.

One seed shrimp, rice, barley continuous cropping ecological circulation breeding new model, which is characterized in that the lobster field Between cultivation concrete operations it is as follows:

(1) rice field transformation and construction

A, rice field selection and transformation: selection closes on the field at sufficient water source, opposed flattened field is merged whole Reason forms the cell of each cellar area 20-30 mus of sizes, then carries out prepartion of land to each cell, and smooth rear difference of height is not More than 5 centimeters；

B, implement to fill draining separately:

The requirement poured water: each unit cell wants clean reliable with water, library that the water source poured water will never pollute, river, Directly obtained in canal or reliable water source be first stored in the pool provided for oneself, settle in canal after irrigate again；

The requirement of draining: will build unobstructed drainage ditch well, and the irrigation canals and ditches of draining will be communicated with cultivation ditch；

(2) excavate cultivation ditch, compacting ridge: before March, surrounding excavates annular ditch on the inside of each unit cell ridge, 2-3 meters of furrow width, 1 meter deep, the layout of ditch will consider mechanical cultivation and harvesting, and the earthwork dug out is used to support the ridge of shrimp rice field surrounding Widen heightening and consolidation, accomplishes that Tanaka can be retained 60 centimetres or more；

(3) disinfection removes the evil, plants water plant: 10-15 days before shrimp species dispensing, draining water in field, shrimp ditch area is public with quick lime 75 per acre Jin disinfection, some water plants, such as Yi Le can be planted after disinfection 7 days in ditch by killing the evil fish such as snakeheaded fish, swamp eel and small fish Algae etc., planting area account for shrimp ditch area 50% or so；

(4) lobster seedling is put in a suitable place to breed

A, it puts in a suitable place to breed the time, shrimp seedling release time spring first time is first arrival in the April the middle ten days, and second of shrimp seedling release time is general For mid or late August；

B, breeding density and put-on method: the shrimp seedling size launched for the first time is 5-10 grams/, and injected volume is 15-25 public per acre Jin, mending the shrimp seedling size launched for the second time is 24-26 grams/, and mending injected volume per acre is 5-15 kilograms, male female ratio about 1: 2 ；

(5) feeding management

A, feedstuff feeding: the 4-5 month, the two should strengthen nursing for more months, and how much feeding volume determines according to Tanaka lobster, when having Lobster should stop applying fertilizer when reaching 15-20 grams, increase feedstuff feeding amount, can be eaten up with lobster as degree, Feed selection rice bran, small Based on the unprocessed natural feed such as wheat, corn, rapeseed cake, Soybean Meal, wild fishes, a large amount of water plants or high quality forage etc. should be also supplemented Greenfeed, to reduce cost, autumn paddy field aquaculture lobster should feed in right amount before overwintering, and 11 to January are generally not required to bait throwing in；

B, water level control: 9-10 month lobster dig a hole it is overwintering before, after rice harvesting, when temperature reaches 15 DEG C or less, field face Water level should be gradually reduced to 10-20 centimetres；November is dry to entire Wintering Period field face, and annular ditch is kept for 40-50 centimetres, is convenient for Crop is raised in plantation, after second year is raised crop harvest, into mid-April after Soil surface water position is increase gradually to 40-50 lis Rice；

(6) catch at shrimp: the harvesting time should concentrate on April 10 to June 30, generally be traped using lobster basket, the rate of recapture Up to 80% or more, fishing weight is greater than 30 grams of prawn, and shrimp of the weight less than 30 grams puts back to field and continue to put in a suitable place to breed, simultaneously will The mature dark red shrimp of body colour catches sale together, until start to discharge water when cultivation the last week, until cultivable, Fishing can terminate, and be transferred to Rice Cropping.

4, a seed shrimp according to claim 1, rice, turnip type rape continuous cropping ecological circulation breeding new model, It is characterized in that, the organic paddy rice cultivation concrete operations are as follows:

(1) variety selection: japonica rice variety selects the high-quality specific breeds such as southern round-grained rice 46, southern round-grained rice 5055, long grain round-grained rice, hybrid paddy rice Selection Y two excellent 1928, grand two excellent China accounts for, rich two fine quality such as excellent fragrant No. 1；

(2) sowing time: 15-20 days May of japonica rice sowing time, hybrid paddy rice sowing time are 5-10 in May days；

(3) Planting pattern:

A, it is soaked seed using light-coloured vinegar: before seed soaking, seed being dried into 2 sun, it, will then according to one jin of light-coloured vinegar to 100 jin of water Seed is immersed in light-coloured vinegar solution, japonica rice seed-soaking 48 hours, long-grained nonglutinous rice seed-soaking 24 hours, can be broadcast after vernalization shows money or valuables one carries unintentionally Kind；

B, artificial seedling, 40-50 kilograms of sowing quantity of the rice seedling bed of japonica rice per acre of water-raised seedling, hybrid paddy rice kind seedling: are used 10-15 kilograms of amount；The sowing quantity of rice seedling bed per acre of dry rice seedling can increase 40-50%, seedling age 30-35 days, very smooth for crop field Can be used hard disk seedling machinery Transplanting pattern, 100 grams of the every disk sowing quantity of japonica rice seed, the every disk of hybrid rice seed kind of a 54-58 Gram, seedling disk soil can add suitable number organic fertilizer to mix, and then sow；

C, Planting Densities: the distance between rows and hills of 30 × (15-20) centimetres of use of artificial seedling, 3-4 seed is inserted in the every cave of japonica rice 2 seed seedlings are inserted in seedling, the every cave of hybrid paddy rice；The distance between rows and hills of 30 × 20 centimeters of the use of mechanized planting, 5-6 base is inserted in the every cave of japonica rice 2-3 Basic Seedling is inserted in this seedling, the every cave of hybrid paddy rice, to be individually placed in yarn account before the sowing of organic paddy rice rice shoot or in fly net, Sowing wants dilute；

(4) water and fertilizer management: on the basis of applying 80-100 kilograms of best buy organic fertilizer per acre, work in 6-7 days is planted Afterwards, the water layer of 5cm or more is filled, applies 50 kilograms of fresh rice brans or cake fertilizer per acre, is kept for profundal zone 20 days, to ensure that weeding is imitated Fruit, the water management of middle and later periods substantially upper water --- falling naturally dry --- falls dry preceding water upper again, before organic paddy rice flowering is poured water 18-22 kilograms of decomposed cake fertilizer is applied per acre, and yield can be improved.To production selenium-enriched rice product, effective selenium member is selected Fertilizer is sprayed rice during cut flowering；

(5) prevention and control of plant diseases, pest control:

A, one trap lamp is installed according to every 20-30 mus of standard, and according to a sex attractant device per acre, to kill Pest, if when the big generation of rice leaf roller, snout moth's larva, the prevention and treatment of the biological pesticides such as Empedobacter brevis can be selected；

B, the false smut in ear period disease can be prevented and treated for 10-15 days before cut with " the phonetic glycosides element in well ridge " or " well wax bud "； Rice blast is prevented and treated for 3-5 days before cut with " light-coloured vinegar ", is spent 5-7 days and is prevented and treated again once；

(6) it gathers in: after paddy is mature, manually being gathered in the fine day morning, dry, clean, be put in storage, store as required.

5, a seed shrimp according to claim 1, rice, barley continuous cropping ecological circulation breeding new model, feature exist In the barley cultivation concrete operations are as follows:

(1) variety adoption: feeding barley variety selects " raise and raise wheat No. 1 ", the sowing of " rich No. 1 of salt " kind；

(2) the cray time is put in a suitable place to breed according to water in second year field, make barley long to 20cm height or so, it is big to determine The wheat sowing time puts lobster in a suitable place to breed in water in second year mid-March field, feeding barley can be after rice harves in the Yangtze river basin It sows by the end of December；If field postpones upper water and puts lobster in a suitable place to breed, barley sowing time can accordingly be postponed；

(3) planting patterns and planting density arrangement: feeding barley sowing field can be beaten according to 20cmx15cm delay or by The planting tank that 20cm or so amplitude plays 3-5cm carries out artificial seeding, it is also possible to duplex-type seed planter sowing or artificial broadcast, for straight Field is broadcast, first uniformly sows seeds, carries out shallow rotary tillage afterwards, rotary tillage depth 10-12cm holds " three ditches " successfully by wide 1.5-1.8 meters of furrow；

(4) application rate: feeding 14-16 kgs/acre of barley application rate；

(5) crop field is arranged requires with fertilising: before feeding barley sowing, it is organic to apply 200 kilograms or so of commodity per acre Then fertilizer is made into 2 meters or so wide furrow and waits sowing, to hold successfully " three ditches ", guarantee that stain drops in field drainage；

(6) it if after planting soil moisture content is poor for barley, can be poured by water of spreading and sinking in (pouring water into ditch) or with equipment for plant protection water spray The mode moisture creating of filling guarantees the timely germination and emergence of barley seed；

(7) weeding: before feeding barley sowing, it can be used and carry out site preparation after ploughing deeply pressure grass, then sow feeding barley, hereafter Weeds limited amount can no longer carry out control of weeds, until mid-March, which discharges water, provides feed for cray.

The present invention has the advantages that

First is that shrimp seed rice is made full use of to support the resource of field, solve after common shrimp rice plant breeding model rice harves to second In year field before water or so about 3 half a months time field free time problem, both taken full advantage of resource, the increase multiple cropping of field Index, and high-quality feed can be provided for the cray of second year field, aquaculture cost is saved, the barley seedling after lobster eats is remaining Object can also make organic fertilizer, increase soil organic matter content.Second is that Rice Cropping uses unique pure organic farming mode, rice is raw It produces and does not use any chemical fertilizer, pesticide and herbicide in whole process, and construct the space of good suitable rice shrimp symbiosis Environment and ecological environment, it is ensured that rice shrimp products safety, quality and flavor.Third is that in entire breeding cyclic process, using biology and The method of physics carries out weeding, solves the problems, such as manufacture of organic rice weed control, and advantage of lower cost.Fourth is that this kind It supports under binding pattern, the output value of unit area is three times higher compared with the output value of common simple Rice Cropping, benefit increases by four times.In short, Plant breeding model high efficiency of the present invention, production cost are low, field utilization rate is high, and form benign ecological cycles, become green, ring It protects, the rice shrimp species of low-carbon support new model.

Specific embodiment

One seed shrimp, rice, barley continuous cropping ecological circulation breeding new model, after shrimp fishing is supported in rice field, according to organic Planting patterns plantation one season high quality japonica, a season feeding barley is planted after rice harves, by adjusting the sowing of well feeding barley Phase so that barley in second year field water cultivation cray before height of seedling reach 20 centimeters, at this time barley seedling as cray very Good nutrient fodder.

One, lobster field cultivates, and concrete operations are as follows:

(1) rice field transformation and construction

A, rice field selection and transformation: selection closes on the field at sufficient water source, opposed flattened field is merged whole Reason forms the cell of each cellar area 20-30 mus of sizes, then carries out prepartion of land to each cell, and smooth rear difference of height is not More than 5 centimeters；

B, implement to fill draining separately:

The requirement poured water: each unit cell wants clean reliable with water, library that the water source poured water will never pollute, river, Directly obtained in canal or reliable water source be first stored in the pool provided for oneself, settle in canal after irrigate again；

The requirement of draining: will build unobstructed drainage ditch well, and the irrigation canals and ditches of draining will be communicated with cultivation ditch；

(2) excavate cultivation ditch, compacting ridge: before March, surrounding excavates annular ditch on the inside of each unit cell ridge, 2-3 meters of furrow width, 1 meter deep, the layout of ditch will consider mechanical cultivation and harvesting, and the earthwork dug out is used to support the ridge of shrimp rice field surrounding Widen heightening and consolidation, accomplishes that Tanaka can be retained 60 centimetres or more；

(3) disinfection removes the evil, plants water plant: 10-15 days before shrimp species dispensing, draining water in field, shrimp ditch area is public with quick lime 75 per acre Jin disinfection, some water plants, such as Yi Le can be planted after disinfection 7 days in ditch by killing the evil fish such as snakeheaded fish, swamp eel and small fish Algae etc., planting area account for shrimp ditch area 50% or so；

(4) lobster seedling is put in a suitable place to breed

A, it puts in a suitable place to breed the time, shrimp seedling release time spring first time is first arrival in the April the middle ten days, and second of shrimp seedling release time is general For mid or late August；

B, breeding density and put-on method: the shrimp seedling size launched for the first time is 5-10 grams/, and injected volume is 15-25 public per acre Jin, mending the shrimp seedling size launched for the second time is 24-26 grams/, and mending injected volume per acre is 5-15 kilograms, male female ratio about 1: 2 ；

(5) feeding management

A, feedstuff feeding: the 4-5 month, the two should strengthen nursing for more months, and how much feeding volume determines according to Tanaka lobster, when having Lobster should stop applying fertilizer when reaching 15-20 grams, increase feedstuff feeding amount, can be eaten up with lobster as degree, Feed selection rice bran, small Based on the unprocessed natural feed such as wheat, corn, rapeseed cake, Soybean Meal, wild fishes, a large amount of water plants or high quality forage etc. should be also supplemented Greenfeed, to reduce cost, autumn paddy field aquaculture lobster should feed in right amount before overwintering, and 11 to January are generally not required to bait throwing in；

B, water level control: 9-10 month lobster dig a hole it is overwintering before, after rice harvesting, when temperature reaches 15 DEG C or less, field face Water level should be gradually reduced to 10-20 centimetres；November is dry to entire Wintering Period field face, and annular ditch is kept for 40-50 centimetres, is convenient for Crop is raised in plantation, after second year is raised crop harvest, into mid-April after Soil surface water position is increase gradually to 40-50 lis Rice； (6) catch at shrimp: the harvesting time should concentrate on April 10 to June 30, generally be traped using lobster basket, the rate of recapture is reachable 80% or more, fishing weight is greater than 30 grams of prawn, and shrimp of the weight less than 30 grams puts back to field and continue to put in a suitable place to breed, while will have become The dark red shrimp of ripe body colour catches sale together, until start to discharge water when cultivation the last week, until cultivable, fishing It can terminate, be transferred to Rice Cropping.

4, a seed shrimp according to claim 1, rice, turnip type rape continuous cropping ecological circulation breeding new model, It is characterized in that, the organic paddy rice cultivation concrete operations are as follows:

(1) variety selection: japonica rice variety selects the high-quality specific breeds such as southern round-grained rice 46, southern round-grained rice 5055, long grain round-grained rice, hybrid paddy rice Selection Y two excellent 1928, grand two excellent China accounts for, rich two fine quality such as excellent fragrant No. 1；

(2) sowing time: 15-20 days May of japonica rice sowing time, hybrid paddy rice sowing time are 5-10 in May days；

(3) Planting pattern:

A, it is soaked seed using light-coloured vinegar: before seed soaking, seed being dried into 2 sun, it, will then according to one jin of light-coloured vinegar to 100 jin of water Seed is immersed in light-coloured vinegar solution, japonica rice seed-soaking 48 hours, long-grained nonglutinous rice seed-soaking 24 hours, can be broadcast after vernalization shows money or valuables one carries unintentionally Kind；

B, artificial seedling, 40-50 kilograms of sowing quantity of the rice seedling bed of japonica rice per acre of water-raised seedling, hybrid paddy rice kind seedling: are used 10-15 kilograms of amount；The sowing quantity of rice seedling bed per acre of dry rice seedling can increase 40-50%, seedling age 30-35 days, very smooth for crop field Can be used hard disk seedling machinery Transplanting pattern, 100 grams of the every disk sowing quantity of japonica rice seed, the every disk of hybrid rice seed kind of a 54-58 Gram, seedling disk soil can add suitable number organic fertilizer to mix, and then sow；

C, Planting Densities: the distance between rows and hills of 30 × (15-20) centimetres of use of artificial seedling, 3-4 seed is inserted in the every cave of japonica rice 2 seed seedlings are inserted in seedling, the every cave of hybrid paddy rice；The distance between rows and hills of 30 × 20 centimeters of the use of mechanized planting, 5-6 base is inserted in the every cave of japonica rice 2-3 Basic Seedling is inserted in this seedling, the every cave of hybrid paddy rice, to be individually placed in yarn account before the sowing of organic paddy rice rice shoot or in fly net, Sowing wants dilute；

(4) water and fertilizer management: on the basis of applying 80-100 kilograms of best buy organic fertilizer per acre, work in 6-7 days is planted Afterwards, the water layer of 5cm or more is filled, applies 50 kilograms of fresh rice brans or cake fertilizer per acre, is kept for profundal zone 20 days, to ensure that weeding is imitated Fruit, the water management of middle and later periods substantially upper water --- falling naturally dry --- falls dry preceding water upper again, before organic paddy rice flowering is poured water 18-22 kilograms of decomposed cake fertilizer is applied per acre, and yield can be improved.To production selenium-enriched rice product, effective selenium member is selected Fertilizer is sprayed rice during cut flowering；

(5) prevention and control of plant diseases, pest control:

A, one trap lamp is installed according to every 20-30 mus of standard, and according to a sex attractant device per acre, to kill Pest, if when the big generation of rice leaf roller, snout moth's larva, the prevention and treatment of the biological pesticides such as Empedobacter brevis can be selected；

B, the false smut in ear period disease can be prevented and treated for 10-15 days before cut with " the phonetic glycosides element in well ridge " or " well wax bud "； Rice blast is prevented and treated for 3-5 days before cut with " light-coloured vinegar ", is spent 5-7 days and is prevented and treated again once；

(6) it gathers in: after paddy is mature, manually being gathered in the fine day morning, dry, clean, be put in storage, store as required.

5, a seed shrimp according to claim 1, rice, barley continuous cropping ecological circulation breeding new model, feature exist In the barley cultivation concrete operations are as follows:

(1) variety adoption: feeding barley variety selects " raise and raise wheat No. 1 ", the sowing of " rich No. 1 of salt " kind；

(2) the cray time is put in a suitable place to breed according to water in second year field, make barley long to 20cm height or so, it is big to determine The wheat sowing time puts lobster in a suitable place to breed in water in second year mid-March field, feeding barley can be after rice harves in the Yangtze river basin It sows by the end of December；If field postpones upper water and puts lobster in a suitable place to breed, barley sowing time can accordingly be postponed；

(3) planting patterns and planting density arrangement: feeding barley sowing field can be beaten according to 20cmx15cm delay or by The planting tank that 20cm or so amplitude plays 3-5cm carries out artificial seeding, it is also possible to duplex-type seed planter sowing or artificial broadcast, for straight Field is broadcast, first uniformly sows seeds, carries out shallow rotary tillage afterwards, rotary tillage depth 10-12cm holds " three ditches " successfully by wide 1.5-1.8 meters of furrow；

(4) application rate: feeding 14-16 kgs/acre of barley application rate；

(5) crop field is arranged requires with fertilising: before feeding barley sowing, it is organic to apply 200 kilograms or so of commodity per acre Then fertilizer is made into 2 meters or so wide furrow and waits sowing, to hold successfully " three ditches ", guarantee that stain drops in field drainage；

(6) it if after planting soil moisture content is poor for barley, can be poured by water of spreading and sinking in (pouring water into ditch) or with equipment for plant protection water spray The mode moisture creating of filling guarantees the timely germination and emergence of barley seed；

(7) weeding: before feeding barley sowing, it can be used and carry out site preparation after ploughing deeply pressure grass, then sow feeding barley, hereafter Weeds limited amount can no longer carry out control of weeds, until mid-March, which discharges water, provides feed for cray.

Claims (1)

1. a seed shrimp, rice, feeding barley continuous cropping ecological circulation breeding new method, it is characterised in that: support shrimp fishing knot in rice field Shu Hou plants a season feeding barley, according to organic planting patterns one season of plantation high-grade rice by adjusting good feeding after rice harves With the sowing time of barley, so that height of seedling reaches 20 centimeters to barley before water cultivation cray in second year field, barley seedling at this time As the good nutrient fodder of cray；

Concrete operations include the following contents: the cultivation of lobster field, organic paddy rice cultivation and barley cultivation；

The lobster field cultivation concrete operations are as follows:

(1) rice field transformation and construction

A, rice field selection and transformation: selection closes on the field at sufficient water source, and opposed flattened field is merged arrangement, is formed The cell of each cellar area 20-30 mus of sizes, then prepartion of land is carried out to each cell, it is public that smooth rear difference of height is no more than 5 Point；

B, implement to fill draining separately:

The requirement poured water: each unit cell wants clean reliable with water, library that the water source poured water will never pollute, river, in canal Directly obtain or reliable water source be first stored in the pool provided for oneself, settle in canal after irrigate again；

The requirement of draining: will build unobstructed drainage ditch well, and the irrigation canals and ditches of draining will be communicated with cultivation ditch；

(2) excavate cultivation ditch, compacting ridge: before March, surrounding excavates annular ditch, furrow width on the inside of each unit cell ridge 2-3 meters, 1 meter deep, the layout of ditch will consider mechanical cultivation and harvesting, and the ridge that the earthwork dug out is used to support shrimp rice field surrounding is widened Heightening and consolidation accomplishes that Tanaka can be retained 60 centimetres or more；(3) disinfection removes the evil, plants water plant: 10-15 days before shrimp species dispensing, draining Water in field, shrimp ditch area is sterilized with 75 kilograms of quick lime per acre, and one can be planted after disinfection 7 days in ditch by killing evil fish and small fish A little water plants, planting area account for shrimp ditch area 50% or so；

(4) lobster seedling is put in a suitable place to breed

A, it puts in a suitable place to breed the time, shrimp seedling release time spring first time is first arrival in the April the middle ten days, and second of shrimp seedling release time is generally 8 The middle ten days and the last ten days moon；B, breeding density and put-on method: the shrimp seedling size launched for the first time is 5-10 grams/, and injected volume is per acre 15-25 kilograms, mending the shrimp seedling size launched for the second time is 24-26 grams/, and mending injected volume per acre is 5-15 kilograms, male female ratio Example about 1: 2；

(5) feeding management

A, feedstuff feeding: should strengthen nursing the 4-5 month, and how much feeding volume determines according to Tanaka lobster, when there is lobster to reach 15-20 grams When should stop applying fertilizer, increase feedstuff feeding amount, can be eaten up with lobster as degree, Feed selection is with rice bran, wheat, corn, rapeseed cake, big Based on dregs of beans, wild fishes, a large amount of water plants or high quality forage should be also supplemented, to reduce cost, autumn paddy field aquaculture lobster, overwintering Before should feed in right amount, 11 to January are generally not required to bait throwing in；

B, water level control: 9-10 month lobster dig a hole it is overwintering before, after rice harvesting, when temperature reaches 15 DEG C or less, Soil surface water position It should gradually reduce to 10-20 centimetres；November is dry to entire Wintering Period field face, and annular ditch is kept for 40-50 centimetres, convenient for plantation Raised crop, after second year is raised crop harvest, into mid-April after Soil surface water position is increase gradually to 40-50 centimetres；

(6) catch at shrimp: the harvesting time should concentrate on April 10 to June 30, generally be traped using lobster basket, the rate of recapture Up to 80% or more, fishing weight is greater than 30 grams of prawn, and shrimp of the weight less than 30 grams puts back to field and continue to put in a suitable place to breed, simultaneously The dark red shrimp of mature body colour is caught into sale together, until starting to discharge water when cultivation the last week, is until cultivable Only, fishing can terminate, and be transferred to Rice Cropping；

The organic paddy rice cultivation concrete operations are as follows:

(1) variety selection: japonica rice variety selects southern round-grained rice 46, southern round-grained rice 5055, long grain round-grained rice, and hybrid paddy rice selects Y two excellent 1928, grand two Excellent China accounts for, rich two excellent fragrant No. 1；

(2) sowing time: 15-20 days May of japonica rice sowing time, hybrid paddy rice sowing time are 5-10 in May days；

(3) Planting pattern:

A, it is soaked seed using light-coloured vinegar: before seed soaking, seed being dried 2 days, then 100 jin of water are immersed in seed according to one jin of light-coloured vinegar In light-coloured vinegar solution, japonica rice seed-soaking 48 hours, hybrid rice seed was soaked seed 24 hours, can be sowed after vernalization shows money or valuables one carries unintentionally；

B, artificial seedling, 40-50 kilograms of sowing quantity of the rice seedling bed of japonica rice per acre of water-raised seedling, hybrid paddy rice sowing quantity seedling: are used 10-15 kilograms；The sowing quantity of rice seedling bed per acre of dry rice seedling can increase 40-50%, seedling age 30-35 days, very smooth for crop field Hard disk seedling machinery Transplanting pattern, 100 grams of the every disk sowing quantity of japonica rice seed can be used, the every disk use of hybrid rice seed plants 54-58 grams, Seedling disk soil can add suitable number organic fertilizer to mix, and then sow；

C, Planting Densities: the distance between rows and hills of 30 × (15-20) centimetres of use of artificial seedling, 3-4 seed seedling is inserted in the every cave of japonica rice, miscellaneous The every cave of rice is handed over to insert 2 seed seedlings；5-6 Basic Seedling is inserted in the distance between rows and hills of 30 × 20 centimeters of the use of mechanized planting, the every cave of japonica rice, 2-3 Basic Seedling is inserted in the every cave of hybrid paddy rice, to be individually placed in yarn account or fly net before the sowing of organic paddy rice rice shoot, sowing wants dilute；

(4) it water and fertilizer management: on the basis of applying 80-100 kilograms of best buy organic fertilizer per acre, after planting work in 6-7 days, fills The water layer of 5cm or more applies 50 kilograms of fresh rice brans or cake fertilizer per acre, is kept for profundal zone 20 days, to ensure herbicidal effect, in The water management in later period substantially upper water --- falling naturally dry --- falls dry preceding water upper again, and organic paddy rice flowering is applied per acre before pouring water With 18-22 kilograms of decomposed cake fertilizer, yield can be improved, to production selenium-enriched rice product, select effective selenium element fertilizer Rice is sprayed during cut flowering；

(5) prevention and control of plant diseases, pest control:

A, one trap lamp is installed according to every 20-30 mus of standard, and according to a sex attractant device per acre, to kill evil Worm selects Empedobacter brevis biological pesticide to prevent and treat rice leaf roller, snout moth's larva；

B, the false smut in ear period disease can be prevented and treated for 10-15 days before cut with " the phonetic glycosides element in well ridge " or " well wax bud "；Rice blast It is prevented and treated with " light-coloured vinegar " within 3-5 days before cut, spends 5-7 days and prevent and treat again once；

(6) it gathers in: after paddy is mature, manually being gathered in the fine day morning, dry, clean, be put in storage, store as required；

The barley cultivation concrete operations are as follows:

(1) variety adoption: feeding barley variety selects " raise and raise wheat No. 1 ", " rich No. 1 of salt "；

(2) the cray time is put in a suitable place to breed according to water in second year field, make barley long to 20cm height or so, to determine that barley is sowed Time；If field postpones upper water and puts lobster in a suitable place to breed, barley sowing time can accordingly be postponed；

(3) planting patterns and planting density arrangement: feeding barley sowing field can be beaten according to 20cmx15cm delays or by 20cm or so The planting tank that amplitude plays 3-5cm carries out artificial seeding, it is also possible to duplex-type seed planter sowing or artificial broadcast, for field is broadcast live, It first uniformly sows seeds, carries out shallow rotary tillage afterwards, rotary tillage depth 10-12cm holds " three ditches " successfully by wide 1.5-1.8 meters of furrow；

(4) application rate: feeding 14-16 kgs/acre of barley application rate；

(5) crop field is arranged requires with fertilising: before feeding barley sowing, applying 200 kilograms or so of organic commercial fertilizer per acre, then It is made into 2 meters or so wide furrow to wait sowing, to hold successfully " three ditches ", guarantee that stain drops in field drainage；

(6) it if after planting soil moisture content is poor for barley, can be made by way of pouring water and entering in ditch or poured with equipment for plant protection water spray Moisture in the soil guarantees the timely germination and emergence of barley seed；

(7) weeding: before feeding barley sowing, it can be used and carry out site preparation after ploughing deeply pressure grass, then sow feeding barley, hereafter weeds Limited amount can no longer carry out control of weeds, until mid-March, which discharges water, provides feed for cray.