CN110036847A - A kind of breeding method of novel shrimp rice crop rotation - Google Patents
A kind of breeding method of novel shrimp rice crop rotation Download PDFInfo
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- CN110036847A CN110036847A CN201910278607.9A CN201910278607A CN110036847A CN 110036847 A CN110036847 A CN 110036847A CN 201910278607 A CN201910278607 A CN 201910278607A CN 110036847 A CN110036847 A CN 110036847A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 97
- 235000009566 rice Nutrition 0.000 title claims abstract description 97
- 241000238557 Decapoda Species 0.000 title claims abstract description 53
- 238000009395 breeding Methods 0.000 title claims abstract description 22
- 238000003967 crop rotation Methods 0.000 title claims abstract description 19
- 240000007594 Oryza sativa Species 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 241000209094 Oryza Species 0.000 claims abstract description 96
- 241000583629 Cypridopsis vidua Species 0.000 claims abstract description 27
- 241001113556 Elodea Species 0.000 claims abstract description 16
- 238000003306 harvesting Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 6
- 230000000366 juvenile effect Effects 0.000 claims description 15
- 241000196324 Embryophyta Species 0.000 claims description 12
- 239000003337 fertilizer Substances 0.000 claims description 10
- 239000000575 pesticide Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 238000002386 leaching Methods 0.000 claims description 9
- 241000169203 Eichhornia Species 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- VTNQPKFIQCLBDU-UHFFFAOYSA-N Acetochlor Chemical compound CCOCN(C(=O)CCl)C1=C(C)C=CC=C1CC VTNQPKFIQCLBDU-UHFFFAOYSA-N 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 239000005502 Cyhalofop-butyl Substances 0.000 claims description 5
- TYIYMOAHACZAMQ-CQSZACIVSA-N Cyhalofop-butyl Chemical group C1=CC(O[C@H](C)C(=O)OCCCC)=CC=C1OC1=CC=C(C#N)C=C1F TYIYMOAHACZAMQ-CQSZACIVSA-N 0.000 claims description 5
- 239000005588 Oxadiazon Substances 0.000 claims description 5
- CHNUNORXWHYHNE-UHFFFAOYSA-N Oxadiazon Chemical compound C1=C(Cl)C(OC(C)C)=CC(N2C(OC(=N2)C(C)(C)C)=O)=C1Cl CHNUNORXWHYHNE-UHFFFAOYSA-N 0.000 claims description 5
- 241000237636 Pheretima Species 0.000 claims description 5
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 230000001580 bacterial effect Effects 0.000 claims description 5
- 230000001488 breeding effect Effects 0.000 claims description 5
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 claims description 5
- 235000019994 cava Nutrition 0.000 claims description 5
- 235000013339 cereals Nutrition 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- UFHLMYOGRXOCSL-UHFFFAOYSA-N isoprothiolane Chemical compound CC(C)OC(=O)C(C(=O)OC(C)C)=C1SCCS1 UFHLMYOGRXOCSL-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000010899 nucleation Methods 0.000 claims description 5
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 claims description 5
- VJFUPGQZSXIULQ-XIGJTORUSA-N pyrethrin II Chemical compound CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VJFUPGQZSXIULQ-XIGJTORUSA-N 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 241000238565 lobster Species 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 5
- 206010000210 abortion Diseases 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of breeding methods of novel shrimp rice crop rotation, include the following steps: S1: carrying out the construction on the seed pool first, S2: the plantation of rice is carried out, before carrying out Rice Cropping, it needs to handle seed, S3: the dispensing of seed shrimp is carried out, S4: to waterweed tiller live seedling, after growing the water surface, disposably add water to original water level, S5: the harvesting of rice is carried out after paddy growth 35~50 days, this method is improved in the method for traditional shrimp rice crop rotation, step is clear, it can guarantee the abundance of nutriment in water body by the plantation of rice first, it being capable of purifying water body secondly by the cultivation of lobster, improve agricultural incomes.
Description
Technical field
The present invention relates to agricultural technology field more particularly to a kind of breeding methods of novel shrimp rice crop rotation.
Background technique
Traditional shrimp rice makees altogether since in order to provide enough activity spaces to shrimp, there are shrimps and rice to strive asking for space
Topic, shrimp rice makees altogether in the planting density of rice there was only the 67% of tradition kind of rice density in planting, to influence whole rice yield,
Reduce economic benefit.Traditional shrimp rice makees in the transformation process to rice field altogether, due to generally taking 3~4 meters of excavation, deeply 1.5
The big circular groove of rice, causes engineering cost larger, increases aquaculture cost.
Summary of the invention
The invention proposes a kind of breeding methods of novel shrimp rice crop rotation, to solve mentioned above in the background art ask
Topic.
The invention proposes a kind of breeding methods of novel shrimp rice crop rotation, include the following steps:
S1: carrying out the construction on the seed pool first, and before breeding starts, it is wide to dig 0.8~1.2m, bottom deeply along rice field surrounding
2~3m, the gradient are 25~35 degree of circular groove, and the soil digged up does the ridge, and the ridge is higher by 0.5~0.8m of field face, ridge face width for 1.5~
2.5m, then digging out a 0.5~0.8m of depth, the wide 1~1.5m in bottom, the gradient every 1.5~2m in field face is 30~45 degree shallow
Ditch, shallow ridges both ends are communicated with surrounding circular groove；
S2: carrying out the plantation of rice, before carrying out Rice Cropping, needs to handle seed, after eluriating seed, uses
Strong chlorine oil or the fresh amine of rice are soaked seed 10 hours, and disinfection, sterilizing can effectively prevent bacterial leaf spot, rice blast, false smut, basal stem rot, benefit
Rice growing is carried out with the machine transplanting of rice, and transplanting should be sowed between June 5-No. 25, within 15 days length of time rice seedlings grow, plant 25-30 seedling per acre
Disk, 12 centimetres of spacing in the rows, plants 1.8 ten thousand caves, every cave 3-5 seedling by 30 centimetres of line-spacing；
S3: carrying out the dispensing of seed shrimp, public by per acre 25~30 to the seed pool in paddy growth to after August No. 10-No. 15
Jin launches seed shrimp, and male and female ratio is 1:2~1:3, and seed shrimp specification is 25~35g/ tail, after cultivation 20~30 days, starts drop daily
Low seed shrimp pool water level, every time reduce by 5~10cm, until shallow ridges bottom expose, September 20-25th in shallow ridges every 2~3m
One clump of waterweed is planted, then return water, water level in shallow ridges is made to be maintained at 0.3~0.5m；
S4: after waterweed tiller live seedling, growing the water surface, disposably adding water to original water level, when there is shrimp seedling appearance at the side of a pond
When, start to feed juvenile prawn feed and feeds a juvenile prawn feed daily, feeding volume is total to be launched seed shrimp when water temperature is higher than 15 DEG C
The 3~5% of weight fed a juvenile prawn feed every 2~3 days, feeding volume is is launched after water temperature is reduced to 15 DEG C or less
The 1~3% of seed shrimp total weight；
S5: carrying out the harvesting of rice after paddy growth 35~50 days, the growth of commercial sized prawn at this time also in place,
The pheretima that mesh specification is 3.0~3.5cm, after fishing, horse back return water to original water level are piled in circular groove.
Preferred: the soil dug out in step sl is used to reinforce the ridge, is arranged anti-escape film on the ridge, the anti-escape high 0.2~0.4m of film,
Water hyacinth, 25% for launching area and being no more than the water surface of water hyacinth are launched in circular groove, the original water level on the seed pool is lower than ridge face 15
~25cm.
It is preferred: 2-3 days whole fields prior to seeding, it is desirable that Tian Pingcao is net, defincienct in the upper and excessive in the lower, applies the compound of three elements equilibrium per acre
Fertilizer first applies fertilizer, and ploughs afterwards whole.
Preferred: the specific practice of step S3 is soaks night filter day, and two leachings two are filtered, and the morning is small by seed immersion liquid medicine seed soaking 10
When, seed is leached at night, is eluriated 2-3 times, seed is entered water again and impregnated 6 hours by morning next day, and third day can break chest naturally,
It can be sowed when bud is up to half paddy length.
It is preferred: after step S3 is finished, to need to plant waterweed, after plantation, return water in growth belt
Field is filled, keeps the water level for being higher by 0.2~0.3m of field face that water level is added to original water level after water plant live seedling tiller.
It is preferred: be forbidden to use various organophosphorus pesticides in planting process, pyrethrin pesticide, cyhalofop-butyl, oxadiazon,
Isoprothiolane, Acetochlor, butachlor.
It is preferred: it is in due course early to cut when carrying out rice harvesting, head rice rate and Rice Outer-quality are improved, when on tassel
When grain yellow maturity ratio is up to 90%, as optimal harvesting period not only can guarantee yield, but also can promote rice matter.
A kind of breeding method of novel shrimp rice crop rotation proposed by the present invention, beneficial effect are: this method is in traditional shrimp
It is improved in the method for rice crop rotation, step is clear, can guarantee filling for nutriment in water body by the plantation of rice first
Foot, secondly by lobster cultivation can purifying water body, improve agricultural incomes.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of breeding methods of novel shrimp rice crop rotation, include the following steps:
S1: carrying out the construction on the seed pool first, before breeding starts, digs depth 1.2m, the wide 3m in bottom, slope along rice field surrounding
The circular groove that degree is 35 degree, the soil digged up do the ridge, and the ridge is higher by field face 0.8m, and ridge face width is 2.5m, then is dug out in field face every 2m
One depth 0.8m, the wide 1.5m in bottom, the shallow ridges that the gradient is 45 degree, shallow ridges both ends are communicated with surrounding circular groove；
S2: carrying out the plantation of rice, before carrying out Rice Cropping, needs to handle seed, after eluriating seed, uses
Strong chlorine oil or the fresh amine of rice are soaked seed 10 hours, and disinfection, sterilizing can effectively prevent bacterial leaf spot, rice blast, false smut, basal stem rot, benefit
Rice growing is carried out with the machine transplanting of rice, transplanting should be sowed between June 5-No. 25, within 15 days length of time rice seedlings grow, 30 seedling disks are planted per acre,
30 centimetres of line-spacing, 12 centimetres of spacing in the rows, plant 1.8 ten thousand caves, every 5 seedling of cave；
S3: carrying out the dispensing of seed shrimp, in paddy growth to after August No. 10-No. 15, throws to the seed pool by 30 kilograms per acre
Seed shrimp is put, male and female ratio is 1:3, and seed shrimp specification is 35g/ tail, after cultivation 30 days, starts to reduce seed shrimp pool water level daily, every time
10cm is reduced, until the exposing of shallow ridges bottom, planted one clump of waterweed every 3m kind in shallow ridges at September 20-25th, then return water,
Water level in shallow ridges is set to be maintained at 0.5m；
S4: after waterweed tiller live seedling, growing the water surface, disposably adding water to original water level, when there is shrimp seedling appearance at the side of a pond
When, start to feed juvenile prawn feed and feeds a juvenile prawn feed daily, feeding volume is total to be launched seed shrimp when water temperature is higher than 15 DEG C
The 5% of weight fed a juvenile prawn feed every 2~3 days, feeding volume is is launched kind after water temperature is reduced to 15 DEG C or less
The 3% of shrimp total weight；
S5: carrying out the harvesting of rice after paddy growth 50 days, the growth of commercial sized prawn at this time also in place, in circular groove
Inside pile the pheretima that mesh specification is 3.5cm, after fishing, horse back return water to original water level.
The soil dug out in step sl is used to reinforce the ridge, is arranged anti-escape film on the ridge, the anti-escape high 0.4m of film, aborts in circular groove
Cucurbit, 25% for launching area and being no more than the water surface of water hyacinth, the original water level on the seed pool are lower than ridge face 25cm.
2-3 days whole fields prior to seeding, it is desirable that Tian Pingcao is net, defincienct in the upper and excessive in the lower, applies the compound fertilizer of three elements equilibrium per acre, first applies
Fertilizer is ploughed whole afterwards.
The specific practice of step S3 is leaching day, filter night, and two leachings two are filtered, and seed is immersed liquid medicine seed soaking 10 hours by the morning, at night
Seed is leached, is eluriated 2-3 times, seed is entered water again and impregnated 6 hours by morning next day, and third day can break chest naturally, long to bud
It can be sowed when up to half paddy length.
After step S3 is finished, need to plant waterweed in growth belt, after plantation, return water fills field, protects
The water level for being higher by field face 0.3m is held, after water plant live seedling tiller, water level is added to original water level.
Be forbidden to use various organophosphorus pesticides in planting process, pyrethrin pesticide, cyhalofop-butyl, oxadiazon, Isoprothiolane,
Acetochlor, butachlor.
It is in due course early to cut when carrying out rice harvesting, head rice rate and Rice Outer-quality are improved, when grain yellow maturity on tassel
When ratio is up to 90%, as optimal harvesting period not only can guarantee yield, but also can promote rice matter.
Embodiment 2
The invention proposes a kind of breeding methods of novel shrimp rice crop rotation, include the following steps:
S1: carrying out the construction on the seed pool first, before breeding starts, digs depth 0.8m, the wide 2m in bottom, slope along rice field surrounding
The circular groove that degree is 25 degree, the soil digged up do the ridge, and the ridge is higher by field face 0.5m, and ridge face width is 1.5m, then is dug in field face every 1.5m
A depth 0.5m, the wide 1m in bottom, the shallow ridges that the gradient is 30 degree out, shallow ridges both ends are communicated with surrounding circular groove；
S2: carrying out the plantation of rice, before carrying out Rice Cropping, needs to handle seed, after eluriating seed, uses
Strong chlorine oil or the fresh amine of rice are soaked seed 10 hours, and disinfection, sterilizing can effectively prevent bacterial leaf spot, rice blast, false smut, basal stem rot, benefit
Rice growing is carried out with the machine transplanting of rice, transplanting should be sowed between June 5-No. 25, within 15 days length of time rice seedlings grow, 25 seedling disks are planted per acre,
30 centimetres of line-spacing, 12 centimetres of spacing in the rows, plant 1.8 ten thousand caves, every 3 seedling of cave；
S3: carrying out the dispensing of seed shrimp, in paddy growth to after August No. 10-No. 15, throws to the seed pool by 25 kilograms per acre
Seed shrimp is put, male and female ratio is 1:2, and seed shrimp specification is 25g/ tail, after cultivation 20 days, starts to reduce seed shrimp pool water level daily, every time
5cm is reduced, until the exposing of shallow ridges bottom, planted one clump of waterweed every 2m kind in shallow ridges at September 20-25th, then return water,
Water level in shallow ridges is set to be maintained at 0.3m；
S4: after waterweed tiller live seedling, growing the water surface, disposably adding water to original water level, when there is shrimp seedling appearance at the side of a pond
When, start to feed juvenile prawn feed and feeds a juvenile prawn feed daily, feeding volume is total to be launched seed shrimp when water temperature is higher than 15 DEG C
The 3% of weight fed a juvenile prawn feed every 2~3 days, feeding volume is is launched kind after water temperature is reduced to 15 DEG C or less
The 1% of shrimp total weight；
S5: carrying out the harvesting of rice after paddy growth 35 days, the growth of commercial sized prawn at this time also in place, in circular groove
Inside pile the pheretima that mesh specification is 3.0cm, after fishing, horse back return water to original water level.
The soil dug out in step sl is used to reinforce the ridge, is arranged anti-escape film on the ridge, the anti-escape high 0.2m of film, aborts in circular groove
Cucurbit, 25% for launching area and being no more than the water surface of water hyacinth, the original water level on the seed pool are lower than ridge face 15cm.
2-3 days whole fields prior to seeding, it is desirable that Tian Pingcao is net, defincienct in the upper and excessive in the lower, applies the compound fertilizer of three elements equilibrium per acre, first applies
Fertilizer is ploughed whole afterwards.
The specific practice of step S3 is leaching day, filter night, and two leachings two are filtered, and seed is immersed liquid medicine seed soaking 10 hours by the morning, at night
Seed is leached, is eluriated 2-3 times, seed is entered water again and impregnated 6 hours by morning next day, and third day can break chest naturally, long to bud
It can be sowed when up to half paddy length.
After step S3 is finished, need to plant waterweed in growth belt, after plantation, return water fills field, protects
The water level for being higher by field face 0.2m is held, after water plant live seedling tiller, water level is added to original water level.
Be forbidden to use various organophosphorus pesticides in planting process, pyrethrin pesticide, cyhalofop-butyl, oxadiazon, Isoprothiolane,
Acetochlor, butachlor.
It is in due course early to cut when carrying out rice harvesting, head rice rate and Rice Outer-quality are improved, when grain yellow maturity on tassel
When ratio is up to 90%, as optimal harvesting period not only can guarantee yield, but also can promote rice matter.
Embodiment 3
The invention proposes a kind of breeding methods of novel shrimp rice crop rotation, include the following steps:
S1: carrying out the construction on the seed pool first, before breeding starts, digs depth 1m, the wide 2.5m in bottom, slope along rice field surrounding
The circular groove that degree is 30 degree, the soil digged up do the ridge, and the ridge is higher by field face 0.7m, and ridge face width is 2m, then is dug out in field face every 1.7m
One depth 0.7m, the wide 1.2m in bottom, the shallow ridges that the gradient is 40 degree, shallow ridges both ends are communicated with surrounding circular groove；
S2: carrying out the plantation of rice, before carrying out Rice Cropping, needs to handle seed, after eluriating seed, uses
Strong chlorine oil or the fresh amine of rice are soaked seed 10 hours, and disinfection, sterilizing can effectively prevent bacterial leaf spot, rice blast, false smut, basal stem rot, benefit
Rice growing is carried out with the machine transplanting of rice, transplanting should be sowed between June 5-No. 25, within 15 days length of time rice seedlings grow, 28 seedling disks are planted per acre,
30 centimetres of line-spacing, 12 centimetres of spacing in the rows, plant 1.8 ten thousand caves, every 4 seedling of cave；
S3: carrying out the dispensing of seed shrimp, in paddy growth to after August No. 10-No. 15, throws to the seed pool by 28 kilograms per acre
Seed shrimp is put, male and female ratio is 1:2.5, and seed shrimp specification is 30g/ tail, after cultivation 25 days, starts to reduce seed shrimp pool water level daily, often
Secondary reduction 8cm planted one clump of waterweed every 2.5m kind in shallow ridges at September 20-25th, then returns until the exposing of shallow ridges bottom
Water makes water level in shallow ridges be maintained at 0.4m；
S4: after waterweed tiller live seedling, growing the water surface, disposably adding water to original water level, when there is shrimp seedling appearance at the side of a pond
When, start to feed juvenile prawn feed and feeds a juvenile prawn feed daily, feeding volume is total to be launched seed shrimp when water temperature is higher than 15 DEG C
The 4% of weight fed a juvenile prawn feed every 2~3 days, feeding volume is is launched kind after water temperature is reduced to 15 DEG C or less
The 2% of shrimp total weight；
S5: carrying out the harvesting of rice after paddy growth 40 days, the growth of commercial sized prawn at this time also in place, in circular groove
Inside pile the pheretima that mesh specification is 3.2cm, after fishing, horse back return water to original water level.
The soil dug out in step sl is used to reinforce the ridge, is arranged anti-escape film on the ridge, the anti-escape high 0.3m of film, aborts in circular groove
Cucurbit, 25% for launching area and being no more than the water surface of water hyacinth, the original water level on the seed pool are lower than ridge face 20cm.
2-3 days whole fields prior to seeding, it is desirable that Tian Pingcao is net, defincienct in the upper and excessive in the lower, applies the compound fertilizer of three elements equilibrium per acre, first applies
Fertilizer is ploughed whole afterwards.
The specific practice of step S3 is leaching day, filter night, and two leachings two are filtered, and seed is immersed liquid medicine seed soaking 10 hours by the morning, at night
Seed is leached, is eluriated 2-3 times, seed is entered water again and impregnated 6 hours by morning next day, and third day can break chest naturally, long to bud
It can be sowed when up to half paddy length.
After step S3 is finished, need to plant waterweed in growth belt, after plantation, return water fills field, protects
The water level for being higher by field face 0.25m is held, after water plant live seedling tiller, water level is added to original water level.
Be forbidden to use various organophosphorus pesticides in planting process, pyrethrin pesticide, cyhalofop-butyl, oxadiazon, Isoprothiolane,
Acetochlor, butachlor.
It is in due course early to cut when carrying out rice harvesting, head rice rate and Rice Outer-quality are improved, when grain yellow maturity on tassel
When ratio is up to 90%, as optimal harvesting period not only can guarantee yield, but also can promote rice matter.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of breeding method of novel shrimp rice crop rotation, which comprises the following steps:
S1: carrying out the construction on the seed pool first, before breeding starts, along rice field surrounding dig deep 0.8~1.2m, bottom it is wide by 2~
3m, the circular groove that the gradient is 25~35 degree, the soil digged up do the ridge, and the ridge is higher by 0.5~0.8m of field face, and ridge face width is 1.5~2.5m,
A 0.5~0.8m of depth, the wide 1~1.5m in bottom, the shallow ridges that the gradient is 30~45 degree are dug out every 1.5~2m in field face again, shallowly
Ditch both ends are communicated with surrounding circular groove；
S2: carrying out the plantation of rice, before carrying out Rice Cropping, needs to handle seed, after eluriating seed, with strong chlorine
Essence or the fresh amine of rice are soaked seed 10 hours, and disinfection, sterilizing can effectively prevent bacterial leaf spot, rice blast, false smut, basal stem rot, utilize machine
Row rice growing is injected, transplanting should be sowed between June 5-No. 25, within 15 days length of time rice seedlings grow, 25-30 seedling disk is planted per acre,
30 centimetres of line-spacing, 12 centimetres of spacing in the rows, plant 1.8 ten thousand caves, every cave 3-5 seedling；
S3: carrying out the dispensing of seed shrimp, in paddy growth to after August No. 10-No. 15, throws to the seed pool by 25~30 kilograms per acre
Seed shrimp is put, male and female ratio is 1:2~1:3, and seed shrimp specification is 25~35g/ tail, after cultivation 20~30 days, starts to reduce kind daily
Shrimp pool water level reduces by 5~10cm every time, until the exposing of shallow ridges bottom, plants in shallow ridges every 2~3m kind at September 20-25th
One clump of waterweed, then return water, makes water level in shallow ridges be maintained at 0.3~0.5m；
S4: after waterweed tiller live seedling, growing the water surface, original water level is disposably added water to, when the side of a pond has shrimp seedling to occur, is opened
Beginning feeds juvenile prawn feed, when water temperature is higher than 15 DEG C, feed a juvenile prawn feed daily, feeding volume by dispensing seed shrimp total weight
3~5%, after water temperature is reduced to 15 DEG C or less, a juvenile prawn feed was fed every 2~3 days, feeding volume is total to be launched seed shrimp
The 1~3% of weight；
S5: carrying out the harvesting of rice after paddy growth 35~50 days, the growth of commercial sized prawn at this time also in place, in circular groove
Inside pile the pheretima that mesh specification is 3.0~3.5cm, after fishing, horse back return water to original water level.
2. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: dig out in step sl
Soil be used to reinforce the ridge, anti-escape film is set on the ridge, and anti-escape film high 0.2~0.4m launches water hyacinth, the dispensing of water hyacinth in circular groove
Area is no more than the 25% of the water surface, and the original water level on the seed pool is lower than 15~25cm of ridge face.
3. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: 2-3 days prior to seeding
Whole field, it is desirable that Tian Pingcao is net, defincienct in the upper and excessive in the lower, applies the compound fertilizer of three elements equilibrium per acre, first applies fertilizer, and ploughs afterwards whole.
4. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: step S3's specifically does
Method is leaching day, filter night, and two leachings two are filtered, and seed is immersed liquid medicine seed soaking 10 hours by the morning, at night leaches seed, is eluriated 2-3 times,
Seed is entered water again and impregnated 6 hours by morning next day, and third day can break chest naturally, can broadcast when bud is up to half paddy length
Kind.
5. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: carried out in step S3
After finishing, need to plant waterweed in growth belt, after plantation, return water fills field, keeps the water for being higher by 0.2~0.3m of field face
Position, after water plant live seedling tiller, is added to original water level for water level.
6. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: prohibit in planting process
Only use various organophosphorus pesticides, pyrethrin pesticide, cyhalofop-butyl, oxadiazon, Isoprothiolane, Acetochlor, butachlor.
7. a kind of breeding method of novel shrimp rice crop rotation according to claim 1, it is characterised in that: carrying out rice harvesting
When, it is in due course early to cut, head rice rate and Rice Outer-quality are improved, when grain yellow maturity ratio is up to 90% on tassel, as most preferably
Harvesting period, not only can guarantee yield, but also rice matter can be promoted.
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