CN107593550A - A kind of method that cray is cultivated using leguminous green manure fresh grass - Google Patents
A kind of method that cray is cultivated using leguminous green manure fresh grass Download PDFInfo
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- CN107593550A CN107593550A CN201711052410.0A CN201711052410A CN107593550A CN 107593550 A CN107593550 A CN 107593550A CN 201711052410 A CN201711052410 A CN 201711052410A CN 107593550 A CN107593550 A CN 107593550A
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- cray
- leguminous
- greenmanuring crop
- crop
- leguminous greenmanuring
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- 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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- 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
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The present invention relates to a kind of method that cray is cultivated using leguminous green manure fresh grass, comprise the following steps：1) make altogether in rice shrimp or continuous cropping pattern periphery ridge plants leguminous greenmanuring crop；2) treat that the leguminous greenmanuring crop described in step 1) grows into branch latter stage to initial bloom stage, gather in described leguminous greenmanuring crop and feed cray, during cray is fed with described leguminous greenmanuring crop, reduce feeding for cray special feed.Relative to cray special feed is only fed, the cray individual that method of the present invention cultivates is bigger, shrimp is full, meat is tender, elasticity is good；The feeding volume of cray special feed is reduced simultaneously, saves cost.
Description
Technical field
The present invention relates to crayfish breeding technique field, and in particular to a kind of to cultivate cray using leguminous green manure fresh grass
Method.
Background technology
Rice shrimp integrated farming pattern is a kind of centered on kind of rice, and total straw returning to the field supports the emerging rice field kind with the characteristics of shrimp
Support complex ecological pattern, investigation show the pattern average output value than traditional " Rice-rape rotation " or " rice wheat rotation " pattern increase income by
Nearly 4.5 ten thousand yuan of hm-2, there is good economy, ecology and social benefit.The pattern is swift and violent in the development of middle and lower reach of Yangtze River rice region,
According to statistics, 2016 are only that Hubei Province rice shrimp makees altogether, rice shrimp continuous cropping area just reaches 352.68 ten thousand mu, increase by 26% on year-on-year basis.Rice shrimp
Pattern need to be engineered to rice field progress in advance, i.e., excavates endless totally enclosed annular ditch in rice field surrounding, while will be dug out
Soil reinforce, widen, increasing ridge, typically peripheral ridge be highly higher by 0.6~0.8m of field face, wide more than the 3.0m of top surface, ridge
Top surface area accounts for 8.0% of rice field area or so.
During rice shrimp schema size, intensive, degree of specialization rapidly improve, cray special feed (one
As containing amino acid/11 1.68%, fat 5.82%, protein 13.20%, crude fibre 5.50%) obtained a large amount of and widely made
With mid or late March starts to feed, until mid-May, the total amount of every mu of input special feed is about 100kg, although cray produces
Strong guarantee is measured, but due to largely feeding feed, the quality of cray shrimp is but decreased obviously, and is mainly shown as that shell is big
Meat is few, and shrimp is loose, and the index such as color and luster, tenderness, pressurization percentage of water loss, elasticity is performed poor.
The content of the invention
In view of this, it is an object of the invention to provide a kind of method that cray is cultivated using leguminous green manure, improve small
Crayfish meat.
The invention provides a kind of method that cray is cultivated using leguminous green manure, comprise the following steps：1) it is total in rice shrimp
Make or continuous cropping pattern periphery ridge plants leguminous greenmanuring crop；2) treat that the leguminous greenmanuring crop described in step 1) grows into branch
Latter stage to initial bloom stage, gathers in described leguminous greenmanuring crop and feeds cray, small dragon is being fed with described leguminous greenmanuring crop
During shrimp, feeding for cray special feed is reduced.
Preferably, the leguminous greenmanuring crop is Hairy vetch or common vetch.
Preferably, the application rate of the leguminous greenmanuring crop is 3~5kg/ mus.
Preferably, the type of seeding of the leguminous greenmanuring crop is to broadcast sowing.
Preferably, the cultivated area of the leguminous greenmanuring crop be rice shrimp make altogether or continuous cropping area 7%~10%.
Preferably, the time interval that leguminous greenmanuring crop feeds cray in the step 2) is 3~5 days.
Preferably, each feeding volume of the leguminous greenmanuring crop is 20~30kg/ mus.
Preferably, the sowing time of the leguminous greenmanuring crop is 9 annual~October.
Preferably, the Feeding time of the leguminous greenmanuring crop is 3~May of next year.
Preferably, during described leguminous greenmanuring crop feeds cray, the feeding volume of cray special feed for 70~
80kg/ mus.
Beneficial effects of the present invention：The present invention makees altogether in rice shrimp or leguminous greenmanuring crop, harvesting are planted in continuous cropping pattern periphery
Described leguminous greenmanuring crop fresh grass feeds cray, reduces feeding for cray special feed, relative to only feeding cray
Special feed, the cray individual that method of the present invention cultivates is bigger, shrimp is full, meat is tender, elasticity is good；Reduce simultaneously
The feeding volume of cray special feed, save cost.Make altogether in shrimp rice or leguminous greenmanuring crop is planted in continuous cropping pattern periphery, can
Harvesting is fed in time, is gathered materials on the spot, is conveniently fed, and saves transport and the storage cost of leguminous greenmanuring crop.
Embodiment
The invention provides a kind of method that cray is cultivated using leguminous green manure, comprise the following steps：1) it is total in rice shrimp
Make or leguminous greenmanuring crop is planted in continuous cropping pattern periphery；2) after the leguminous greenmanuring crop maturation described in step 1), institute is gathered in
The leguminous greenmanuring crop fresh grass stated feeds cray, during cray is fed with described leguminous greenmanuring crop, reduces small dragon
Shrimp special feed is fed.
In the present invention, the shrimp rice makees altogether or continuous cropping pattern is a kind of centered on kind of rice, and total straw returning to the field supports shrimp
With the characteristics of emerging rice field breeding complex ecological pattern.Specific shrimp rice described in the present invention makees altogether or the area of continuous cropping pattern
Depending on rice field area, preferably 20~60 mu, more preferably 30~50 mu.The shrimp rice makees altogether or the area of continuous cropping
Preferably include peripheral ridge, the peripheral ridge preferably makees altogether according to shrimp rice or the shape of continuous cropping area, ring one circle.
Heretofore described leguminous greenmanuring crop is planted on peripheral ridge, and the leguminous greenmanuring crop cultivated area is preferably rice shrimp
The 7%~10% of common work or the continuous cropping gross area, more preferably 8~9%.
Currently preferred that leguminous greenmanuring crop is sowed in 9~October, the present invention is when sowing leguminous greenmanuring crop, root
Determine the need for turning over according to the edaphic condition in peripheral ridge ridge face；As can be straight when the edaphic condition in peripheral ridge ridge face is preferable
Connect sowing；If the more hardened preferable progress Soil tillage of soil, described turn over are carried out using this area conventional method, specifically
Use small-sized machine rotary tillage in embodiments of the present invention.
The application rate of heretofore described leguminous greenmanuring crop is preferably 3~5kg/ mus；The leguminous greenmanuring crop
Type of seeding is preferably to broadcast sowing, and in the present invention, described broadcast sowing can use artificial broadcast or machinery to broadcast sowing.In the present invention, institute
The leguminous greenmanuring crop stated is preferably Hairy vetch or common vetch；The application rate of specific Hairy vetch
Preferably 3~4kg/ mus, more preferably 3.3~3.7kg/ mus；The application rate of the common vetch is preferably 4~5kg/
Mu, more preferably 4.3~4.8kg/ mus.
Leguminous greenmanuring crop of the present invention grows naturally after planting, need not typically use other extra fields
Control measures.
In the present invention, treat that the leguminous greenmanuring crop grows into branch latter stage to initial bloom stage, it is green to gather in described pulse family
Fertile crop fresh grass feeds cray.Specific leguminous greenmanuring crop described in the present invention in mid or late March to early and middle ten dayses in May,
The leguminous greenmanuring crop fresh grass feeds cray after gathering in batches, the ripe leguminous greenmanuring crop preferably every 3~5
Once, each harvesting area is preferably 140~180 square metres, feeds cray after harvesting immediately for its harvesting；The pulse family is green
The time interval that fertile crop feeds cray is preferably 3~5 days, more preferably 4 days；The leguminous greenmanuring crop is each
Feeding volume is preferably 20~30kg/ mus, more preferably 22~28kg/ mus.
The present invention reduces feeding for cray special feed during leguminous greenmanuring crop is fed.The cray is special
The feeding volume (quality) of feed preferably reduces 20%~30%, more preferably reduces 25%；It is specific described in the present invention
The feeding volume of cray special feed reduced by 90~110kg/ mus to 70~80kg/ mus.It is currently preferred in late April
Stop described leguminous greenmanuring crop to late May to feed；The currently preferred leguminous greenmanuring crop described in stopping feeds
Afterwards, the feeding volume of cray special feed is recovered.
With reference to specific embodiment to it is of the present invention it is a kind of using leguminous green manure cultivate cray method do into
The detailed introduction of one step, technical scheme include but is not limited to following examples.
Embodiment 1
Operation mode includes the peripheral ridge gross area for 30 mu to rice shrimp altogether, wherein 3 mu of the peripheral ridge gross area, plantation pulse family is green
Fertile crop area is 2.4 mu, and Hairy vetch broadcasts sowing sowing in late September, and application rate is 3.5kg/ mus, in 3 months next year
Ten days, harvesting in every 4 days once, about 160 square metres of each harvesting area, terminate until gathering in by the end of April.Compare the field gross area
27 mu, do not plant green manure.
The sub- fresh grass cultivation cray of Hairy vetch was gathered in since March 15, feeds the pale reddish brown sweet potato fresh grass 600 of leaf every time
Kilogram or so, feed once within 4 days, during this period, the feeding volume of cray special feed is every mu of 75kg or so, relative to only throwing
The control field of feed reduces the dosage of a quarter.It is accumulative to feed about 6000 kilograms of the pale reddish brown sweet potato fresh grass of leaf, it is converted to nutrition
Composition is about 70 kilograms of amino acid/11,30 kilograms of fat, 230 kilograms of protein, 190 kilograms of crude fibre.Cray total output 4840
Kilogram, 161 kgs/acre of average yield per mu.And every mu of 100 kilograms of feed of input of field is compareed, the pale reddish brown sweet potato fresh grass of leaf is not fed, its
Input mu dosage in terms of it is with feeding the pale reddish brown sweet potato fresh grass of leaf basically identical, field cray total output 3510 of supporting shrimp field
Kilogram, 130 kilograms of average yield per mu.Method of the present invention is used make it that cray total output improves 1330 in the present embodiment public
Jin, per mu yield improve 31 kilograms；The feeding volume of cray special feed reduces 25% simultaneously, reduces aquaculture cost.Use this
Method makes average individual weight of average weight 5g or so the larva of crayfish in 60 days reach 30-35g, relative to only with feeding
Material feeds individual weight and improves 25%, and the hardness of cray meat improves 83%, and chewiness improves 63%, quality and mouth
Sense is obviously improved.
Embodiment 2
Operation mode includes peripheral 46 mu of the ridge gross area to rice shrimp altogether, wherein 5 mu of the peripheral ridge gross area, green manuring area
About 4.2 mu, common vetch is sowed in early October, and application rate is 4kg/ mus, starts burst harvesting in mid-March in next year, per 3-5
Its harvesting once, about 280 square metres of each harvesting area, terminates until being gathered at the beginning of 5 months.42 mu of the field gross area is compareed, is not planted
Green manure.
Common vetch fresh grass cultivation cray was gathered in since March 18, feeds common vetch fresh grass 1000-1200 every time
Kilogram, feed once within 5 days, during this period, the feeding volume of cray special feed is every mu of 80kg or so, is expected relative to only feeding
Control field reduce 20% dosage.Accumulative to feed about 12600 kilograms of common vetch fresh grass, it is about ammonia to be converted to nutritional ingredient
230 kilograms of base acid, 30 kilograms of fat, 320 kilograms of protein, 280 kilograms of crude fibre.7630 kilograms of cray total output, it is average
166 kgs/acre of per mu yield.And every mu of 100 kilograms of feed of input of field is compareed, common vetch fresh grass, the throwing of other side are not fed
Enter mu dosage with feeding common vetch support shrimp field basically identical, 5670 kilograms of the field cray total output, average yield per mu 135
Kilogram.Method of the present invention is used to cause cray total output to improve 1940 kilograms in the present embodiment, per mu yield improves 31
Kilogram；The feeding volume of cray special feed reduces 20% simultaneously, reduces aquaculture cost.It is special relative to cray is only fed
Feed, average individual weight of average weight 5g or so the larva of crayfish in 60 days is set to reach 30g or so using this method,
Relative to only improving 20% with forage feed, the hardness of cray meat improves 40%, and chewiness improves 42%, quality and
Mouthfeel is obviously improved.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. method that cray is cultivated using leguminous green manure fresh grass, it is characterised in that comprise the following steps：1) make altogether in rice shrimp or continuous cropping pattern periphery ridge plants leguminous greenmanuring crop；2) treat that the leguminous greenmanuring crop described in step 1) grows into branch latter stage to initial bloom stage, gather in described leguminous green manure and make Thing fresh grass feeds cray, during cray is fed with described leguminous greenmanuring crop, reduces the throwing of cray special feed Feed amount.
- 2. according to the method for claim 1, it is characterised in that the leguminous greenmanuring crop is Hairy vetch or arrow tongue Pea.
- 3. method according to claim 1 or 2, it is characterised in that the application rate of the leguminous greenmanuring crop is 3~5kg/ Mu.
- 4. according to the method for claim 1, it is characterised in that the type of seeding of the leguminous greenmanuring crop is to broadcast sowing.
- 5. according to the method for claim 1, it is characterised in that the sown area of the leguminous greenmanuring crop is that rice shrimp makees altogether Or the 7%~10% of continuous cropping area.
- 6. according to the method for claim 1, it is characterised in that leguminous greenmanuring crop feeds cray in the step 2) Time interval is 3~5 days.
- 7. according to the method for claim 6, it is characterised in that each feeding volume of the leguminous greenmanuring crop fresh grass is 20 ~30kg/ mus.
- 8. according to the method for claim 1, it is characterised in that the sowing time of the leguminous greenmanuring crop is annual 9 ~October.
- 9. according to the method for claim 1, it is characterised in that the Feeding time of the leguminous greenmanuring crop fresh grass is next year 3~May.
- 10. according to the method for claim 1, it is characterised in that small during described leguminous greenmanuring crop feeds cray The feeding volume of lobster special feed is 70~80kg/ mus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052410.0A CN107593550A (en) | 2017-10-30 | 2017-10-30 | A kind of method that cray is cultivated using leguminous green manure fresh grass |
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| CN201711052410.0A CN107593550A (en) | 2017-10-30 | 2017-10-30 | A kind of method that cray is cultivated using leguminous green manure fresh grass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476852A (en) * | 2019-09-18 | 2019-11-22 | 武汉双水双绿科技产业有限公司 | The cray method for culturing seedlings and rice shrimp that rice shrimp makees altogether make breeding method altogether |
| CN110637765A (en) * | 2019-09-18 | 2020-01-03 | 武汉双水双绿科技产业有限公司 | Ridge utilization method of rice and shrimp co-farming system |
-
2017
- 2017-10-30 CN CN201711052410.0A patent/CN107593550A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110476852A (en) * | 2019-09-18 | 2019-11-22 | 武汉双水双绿科技产业有限公司 | The cray method for culturing seedlings and rice shrimp that rice shrimp makees altogether make breeding method altogether |
| CN110637765A (en) * | 2019-09-18 | 2020-01-03 | 武汉双水双绿科技产业有限公司 | Ridge utilization method of rice and shrimp co-farming system |
| CN110637765B (en) * | 2019-09-18 | 2022-01-14 | 武汉双水双绿科技产业有限公司 | Ridge utilization method of rice and shrimp co-farming system |
| CN110476852B (en) * | 2019-09-18 | 2022-01-18 | 武汉双水双绿科技产业有限公司 | Rice and shrimp co-culture planting and breeding method |
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Application publication date: 20180119 |