CN101897268A - Culture method for improving pond sediment by planting ryegrasses and breeding fowls - Google Patents
Culture method for improving pond sediment by planting ryegrasses and breeding fowls Download PDFInfo
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- CN101897268A CN101897268A CN2010102139970A CN201010213997A CN101897268A CN 101897268 A CN101897268 A CN 101897268A CN 2010102139970 A CN2010102139970 A CN 2010102139970A CN 201010213997 A CN201010213997 A CN 201010213997A CN 101897268 A CN101897268 A CN 101897268A
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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
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
Abstract
The invention belongs to the technical field of agricultural aquaculture, and particularly relates to a culture method for improving pond sediment by planting ryegrasses and breeding fowls. One culture cycle of the culture method comprises the following steps of: (1) culturing the ryegrasses at the bottom of a pond from the middle ten days of September to the end of next April; (2) breeding the fowls beside the pond from November to the middle ten days of the next April; (3) breeding fish fries in the pond from the middle ten days of the April to the end of May; and (4) culturing prawns from June to the middle ten days of the September. The culture method provides an ecological type comprehensive culture model, namely, during the idle period of a culture pond, the ryegrasses are planed to improve the pond sediment, are harvested to serve as a succulence of geese, and are used for feeding high-quality young geese in twice, so on the first hand, the breeding cost of the geese is reduced, and on the other hand, the pond sediment environment is improved, the cost for cleaning the pond is reduced under the action of a biological energy chain, and the culture method is favorable for high and sable yield of the aquaculture.
Description
Technical field
The invention belongs to agriculture technical field of aquaculture, be specifically related to a kind ofly utilize improve the cultural method of bottom material of pond for breeding season in winter slack the compound ecological cultivation method that especially provides a kind of fishery, plantation, herding that is applicable to the area, Jiangsu and Zhejiang Provinces to combine pond plantation perennial ryegrass and foster fowl.
Background technology
The pond is the place of aquiculture animal life, and the quality of environmental condition directly has influence on surviving of aquatic livestock and grows.Science is carried out the breeding water body regulating and controlling water quality, is to improve the breed variety growth rate, reaches the minimizing disease, realize the key of high yield, high-quality purpose, and the improvement of substrate is the important component part of breeding water body regulating and controlling water quality undoubtedly.The pond is through after a while use, after organic particulate matters such as a part of residual bait and aquatic livestock ight soil sink under water and dead organism remains fermentation decomposes, mixes the formation bed mud with thing such as pond bed mud sand.Certain thickness bed mud can play for effect fertile, that protect fertilizer and adjusting and the sudden change of buffering pond water quality.But bed mud is blocked up except the living space that makes aquatic livestock diminishes, and has also accumulated large amount of organic, a large amount of oxygen that consume cause water body lower floor long term hypoxia during decomposition, and ammonia nitrogen, methane, hydrogen sulphide isoconcentration are too high, water quality deterioration, acid increasing, germ breeds in a large number.This shows, bottom material of pond for breeding worsen be cause aquatic animal to grow slowly, feed coefficient raises, anoxic is raised the nose above water to breathe, break out disease, main cause that lethality is high.For giving full play to the positive ecological functions of bed mud, suppress its negative consequence, regularly the improvement bottom material of pond for breeding.Chang Yong disinfectant measure divides physics, chemistry, biological method in process of production, physical method is mainly under the situation that does not drain water, mud with the slush pump hyperabsorption, this method is applied to the blocked up situation of mud, also need further to sterilize power consumption relatively, consumption manpower after the desilting with chemical method.Chemical method mainly is to use quicklime to do the sterilization of the pool or the wet pool, and this method is applied to mud just often, and the back sterilization of being exposed to the sun has certain toxicity after the sterilization, will shift to an earlier date water inlet in 7 days before putting seedling, will do prelibation before seed is put in a suitable place to breed and test.Biological method is normally used biologic product, can not only improve substrate and water quality, and can control the diffusion that spreads of pathogenic microorganism and disease thereof, but cost and operation have relatively high expectations, if the misoperation effect also can be not obvious.
Culture risk for reducing, avoid problems such as bottom material of pond for breeding evolutionary operation complexity, cost height, not environmental protection, poor effect, the not busy pool of development and utilization better, improve the pond availability, the researcher tries to explore research, try hard to change tradition and culture mode of operation, change pure water product aquaculture model in the past, progressively to environmental integrated culture transition.The method that a kind of ecological environment of cultivating pool microorganism that provides for the Chinese patent application of CN1379975A such as publication number is repaired.But environmental integrated culture pattern need rely on aspects such as region feature and breed characteristics to carry out the specific aim exploitation, with regard at present, does not also report according to Jiangsu and Zhejiang Provinces area culture-cycle feature and breed characteristic synthesis ecologic breeding pattern.
Summary of the invention
In order to overcome the weak point that exists in present traditional pond culture, the present invention aims to provide the compound aquaculture model that a kind of brand-new fishery, plantation, herding combines, be the cultural method that plantation perennial ryegrass and pool side are supported fowl improvement bottom material of pond for breeding at the bottom of the pond in season in winter slack, pond, to reach abundant excavation water body productive potential, to improve the purpose of pond culture comprehensive benefit.
The technical solution used in the present invention is:
A kind ofly plant the cultural method that perennial ryegrass and foster fowl are improved bottom material of pond for breeding, an one culture-cycle comprises:
(1) at the bottom of the pond, cultivates perennial ryegrass mid-September to next year by the end of April
After prawn rises and catches, drain Chi Shui, excavation matrix pattern drain ditch at the bottom of the pool, furrow width 30-50 centimetre, dark 5-10 centimetre, mid or late September sowing rye grass-seed, seeding quantity is by every mu of 1.5-2.5 kilogram, sowing depth is at 1.5-2.5 centimetre, harvesting when treating that perennial ryegrass grows to more than 25 centimetres, when gathering in stubble height 4-6 centimetre at every turn
(2) support fowl mid-April in November to next year on the limit, pond
Goose house is built on the limit, pond, adopt put in a suitable place to breed two season white goose mode, only culture New Year goose by every mu of 10-15 the first season, only culture clear and bright goose by every mu of 20-30 the second season, green fodder adopts the perennial ryegrass of step (1) cultivation, mid-April, white goose was formed,
(3) mid-April is to breeding fry in the pond by the end of May
After white goose is formed, to concentrated the tapping of the residual perennial ryegrass in pond, stay 4-6 centimetre of grass roots at the bottom of the pool, use 100-200 kilogram of raw lime for every mu and carry out disinfection, water quality is cultivated in water inlet then, and carry out fry behind the water quality reaching standard and breed,
(4) June is to cultured prawn mid-September
After fry breeds end, drain Chi Shui, shone pool 7-10 days, use quicklime 60-150 kilogram for every mu and carry out disinfection, water quality is cultivated in water inlet then, carries out prawn culturing behind the water quality reaching standard.
The present invention is to promote that aquaculture is prerequisite, and---foster fowl---breeds fish and forms pond system nature reparation system by kind of a grass.According to Jiangsu and Zhejiang Provinces area pond culture seasonal characteristic,, carry out kind of grass and support fowl not influencing that the normal fry in pond breeds, in the operation of prawn culturing, utilizing the pond idle periods.Aquaculture model provided by the invention is by utilizing the cultivating pool idle periods, carry out smooth, trench digging at the bottom of the pool on the prawn pool, improve substrate by the plantation perennial ryegrass, the rye grass-seed of sending out should be purchased from regular seed supply merchant, select the high-quality grass-seed of full grains, drying, need not to use again any input in the planting process.When perennial ryegrass grows into after 25 centimetres, purchase the young goose of high-quality November and February at twice, purchasing goose quantity the first season is every mu of 10-15, the second season, clear and bright goose purchase quantity was every mu of 20-30.By perennial ryegrass at the bottom of the harvesting pond as the green fodder of goose, reduced the aquaculture cost of goose on the one hand,, improved bottom material of pond for breeding environment (concrete testing result sees Table 1) on the other hand by the effect of bio-energy chain, reduce the cost expenditure of cleaning up the pond, help the aquaculture high and stable yields.Simultaneously, the collecting dung after fermentation that goose is produced is used to train the organic manure of water, for fish, shrimp provide sufficient natural bait, reduces water transfer and feed expenditure, promotes aquaculture to develop in a healthy way.
The present invention utilizes perennial ryegrass to absorb nutritive salt materials such as decomposing a large amount of bait residual in the Penaeus Vannmei breeding process of pond, ight soil, corpse, the root system of perennial ryegrass prosperity forms complicated network structure in bed mud, stablize bottom material of pond for breeding, suppress poisonous and harmful substances such as nitrite, ammonia nitrogen and during summer high temperature, concentrate outburst, stablize pond cultivate water (concrete testing result sees Table 2), reach stable yields purpose efficiently.In order effectively to improve bottom material of pond for breeding, a series of proportion of crop plantings such as hot pickled mustard tube, perennial ryegrass, naked oats dish at the bottom of beginning to have carried out the pool in 2005, relatively the back finds that the growth of perennial ryegrass is more suitable for local weather requirement, growing way is good than hot pickled mustard tube, naked oats dish, perennial ryegrass also is fowl, the good green fodder of domestic animals animal simultaneously, and the plantation perennial ryegrass can obtain higher economic worth.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, what the pond in the described step (1) was selected for use is the Penaeus Vannmei cultivating pool.Discover that the present invention more is applicable to the bottom material of pond for breeding improvement after Penaeus Vannmei is cultured, just can lap on Penaeus Vannmei culture-cycle and the goose culturing time, Penaeus Vannmei is cultured refuse can be absorbed the agreeable to the taste bait of back as goose by perennial ryegrass, is a kind of environmental cyclic culture pattern.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, the mode of disseminating is adopted in described sowing.This kind seeding method is simple to operation.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, described green fodder consumption is every white goose 3-4 every day kilogram, feed intake 2-4 every day.By this standard feeding white goose, not only can satisfy white goose and raise demand, also can meet the perennial ryegrass growth cycle, reach benign cycle.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, described method also is included in the ight soil of white goose adds quicklime, cover after fermentation with film, fermenting can be used as pond rich water organic manure after 7-10 days, add 4-5kg quicklime in wherein every 48-50kg ight soil.The dunghill of goose can be become piles and piles of in the practical operation, the weight of every heap is the 48-50 kilogram, and every heap is admixed 4-5 kilogram of raw lime, covers after fermentation with film, ferments to can be used as pond rich water organic manure in 7-10 days.So operation can be accomplished twice laid, not only forms the benign cycle on producing, and can also reduce cost.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, described white goose is cultured according to the standard of Yuyao City provincial standard DB330281/T11-2009 East Zhejiang province white goose.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, the time of cultivating water quality in the described step (3) is fortnight, after water quality meets GB 11607-1989 water quality standard for fishery, carry out fry again and breed.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, the fry in the described step (3) breeds according to the conventional fry and fingerling technical specification of cultivating in SC/T1008-1994 pond and carries out.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, the fry in the described step (3) comprises fresh-water fishes fries such as black carp, grass carp, silver carp, bighead or carp fry.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, the time of the cultivation water quality in the described step (4) is more than 7 days, water quality is carried out prawn culturing after meeting NY 5052-2001 requirement again.
As preferred version, improve the cultural method of bottom material of pond for breeding according to plantation of the present invention perennial ryegrass and foster fowl, wherein, prawn in the described step (4) is a Penaeus Vannmei, cover is supported Chinese soft-shelled turtle in the breeding process, and it is cultured the standard of supporting according to Yuyao City provincial standard DB330281/T 15.3-2009 Penaeus Vannmei pond cover and carries out.
In recent years, the Penaeus Vannmei development rapidly, near 300,000 mu, data shows at the cultured area in Zhejiang Province, and the principal element that restricts the Penaeus Vannmei industry development at present is that the desalination of health seedling is raised and train, the regulation and control of cultivate water and disease screening and integrated control technique etc.For Penaeus Vannmei, its breeding water should meet NY 5052-2001 requirement, existing operation is: will draw too much mud at the bottom of the pond with water pump etc. earlier, be exposed to the sun more than the two weeks after the desilting, use lime disinfection, after the water that will meet the breeding water standard introduce to be cultured the pond, through lime disinfection and with rich water such as fertilizers, general useful algae reached 10
6-10
7Individual/milliliter, the kind of useful algae is a 20-30 genus, and wherein the advantage algae is a blue-green alge, and transparency is 40-50 centimetre.And operate according to cultural method of the present invention, i.e. the pond sterilization is carried out with conventional method quicklime in perennial ryegrass harvesting back, need not measures such as desilting, rich water, and (after promptly 7 days) can detect useful algae above 10 after one week of water inlet
7Individual/milliliter, the kind of useful algae has more than 30 and to belong to, and the advantage algae is a blue-green alge, cultures more traditional simple of operation, and the effect that reaches is not second to traditional operation.
Technical essential of the present invention has:
1, plant grass: the grass-seed sowing should be carried out early, should dig trenches to drain the water away before the sowing, but will guarantee certain moisture, and it is not loose to require hand to grab earth, certain viscosity is arranged, too drying.
2, support fowl: adopt put in a suitable place to breed two season white goose, the goose of wherein celebrating the New Year or the Spring Festival the first season is because goose kind price and perennial ryegrass growth rate double factor suitably reduce stocking rate; Clear and bright goose can suitably be improved stocking rate.The suitable quantity of putting in a suitable place to breed of two season mus is respectively 10-15 and 20-30; Support the goose people according to raising season, goose be called clear and bright goose, Dragon Boat Festival goose, shine very goose, the New Year goose etc.
3, breed fish: need not before the fishes and shrimps seedling is put in a suitable place to breed the pond perennial ryegrass is carried out extra process, can directly use aperture 318 μ m(62 orders) the silk cover filtering water inlet.Also can pond rich water organic manure will be used as behind the manure fermentation of breed goose.The plankton kind increases in the cultivating pool under the operation like this, and useful algae quantity reaches 10
7Individual/milliliter more than, put seedling after, feedstuff feeding can reduce, weed survival rate can improve 5%.
The present invention compared with prior art has following characteristics:
The season in winter slack that culture-cycle is outer, carry out perennial ryegrass plantation and bird (mainly being white goose) in the fish pond and culture, be the compound agricultural practice of fishery, plantation, the direct combination of herding.The research and development of the inventive method have the raising land utilization efficiency, improve the unit are economic benefit, improve labour productive forces, reduce and culture risk, reducing external source pollutes, reduce the comprehensive advantage of drug use, the drug use, the desilting expense that also need to pay wages according to former monoculture Penaeus Vannmei are 500 yuan/mu.
Embodiment
Below in conjunction with embodiment, be described more specifically content of the present invention.Should be appreciated that enforcement of the present invention is not limited to the following examples, all will fall into protection domain of the present invention any pro forma accommodation and/or the change that the present invention made.
In the present invention, if not refer in particular to, all part, percentages are unit of weight, and all equipment and raw material etc. all can be buied from market or the industry is commonly used.
Embodiment 1
Plantation perennial ryegrass and foster fowl are improved the cultural method of bottom material of pond for breeding and operate as follows:
Cultivation perennial ryegrass (mid-September to next year by the end of April) at the bottom of 1 pool
1.1 whole pond
Penaeus Vannmei drains Chi Shui after rising and catching, excavation matrix pattern drain ditch at the bottom of the pool, and 50 centimetres of furrow widths, prevent that excessive rainfall from causing pool prodelta clay water by dark 10 centimetres.
1.2 sowing
Be autumn sowing sowing time, and mid or late September promptly begins.The rye grass-seed should be selected the high-quality grass-seed of full grains, drying for use, picks up the back and stacks vernalization, sowing when seed shows money or valuables one carries unintentionally.The seeding method that employing is broadcasted sowing, sowing depth should be grasped at 1.5-2.5 centimetre, and seeding quantity is 1.5 kilograms every mu.
1.3 harvesting
The perennial ryegrass regeneration capacity is strong, can gather in repeatedly, therefore, when perennial ryegrass during as green fodder, just should gather in good time, just just can gather in to time more than 25 centimetres when perennial ryegrass is long, and stubble height is about 5 centimetres when gathering at every turn, is beneficial to regeneration.Advance pool raising but note directly putting goose, it is withered that perennial ryegrass is trampled the back easily repeatedly.
Fowl (mid-April in November to next year) is supported at 2 sides of a pond
2.1 the goose house is built
Near the fish pond, build simple and easy booth, adopt mulch film, fogging-resistance film to cover, go along with sb. to guard him into the playground of certain area on every side with bamboo fence or coarse net with insulation.
2.2 white goose is formed
Culture two batches of white gooses altogether, first purchases the New Year goose, cultures 10 for every mu, and second batch of clear and bright goose of buying cultured 20 for every mu.This mainly is owing to goose kind price before the Spring Festival is higher, and temperature is lower, and the perennial ryegrass growth rate is relatively slow, and supply of forage acquires a certain degree of difficulty.The green fodder consumption is 3 kilograms of every white goose every days, feeds intake every day 4 times.When green fodder is not enough, can suitably admix dry feed.
The breed of white goose is carried out according to DB330281/T11-2009 East Zhejiang province white goose.
To culture the ight soil heap in a huddle that goose is collected, the weight of every heap is 50 kilograms, and every heap is admixed 5 kilogram of raw lime, covers after fermentation with film, ferments to can be used as pond rich water organic manure in 7 days.(technological parameter wherein: every heap goose excrement 48-50kg, every heap is admixed 4-5kg quicklime, ferments 7-10 days, and the organic manure that obtains is used for the present invention, and test shows that breed is not had materially affect.）
3 fries breed (mid-April is to by the end of May)
Mid-April, white goose is formed.Perennial ryegrass residual in the pond concentrated tap, stay 4-6 centimetre of perennial ryegrass, blade of grass partly can be used as rice field fertilizer.The sterilization of splashing of double centner quicklime slurrying is used in every mu of pond, and all laggard water plantings are educated water quality, detect water quality after 10 days, meet GB 11607-1989 water quality standard for fishery, then begin to breed young crucian.
Carrying out fry according to the conventional cultivation in SC/T1008-1994 pond fry and fingerling technical specification breeds.
4 prawn culturings (June is to mid-September)
After the fry breeding process is finished, drain Chi Shui, shone the pool 7 days, after the amount of using 60 kilograms of quicklimes by every mu of pond carries out disinfection, with aperture 318 μ m(62 orders) silk cover filtering water inlet, use 50 kilograms of the goose excrement fertilizers that fermented, cultivate after 10 days for every mu, breeding water meets NY 5052-2001 requirement after testing, and the beginning Penaeus Vannmei is cultured.
Penaeus Vannmei is cultured according to DB330281/T 15.3-2009 Penaeus Vannmei pond cover is foster and is carried out.
Present embodiment is the explanation to the inventive method preferred implementation.Test shows, furrow width changes between 5-10 centimetre at 30-50 centimetre, the degree of depth in the trench digging in the foregoing description; The seeding quantity of perennial ryegrass changes between 1.5-2.5 centimetre in 1.5-2.5 kilogram/mu, sowing depth; Toothing changes between 4-6 centimetre during the perennial ryegrass harvesting; New Year, goose was 10-15, the variation between 20-30 of clear and bright goose; The amount of the quicklime that before fry breeds the sterilization in pond is adopted changes between 100-200 kilogram/mu; The amount of the quicklime that before the prawn culturing sterilization in pond is adopted changes between 60-150 kilogram/mu, young crucian replaces with fries such as black carp, grass carp, silver carp, bighead, there is not substantial influence for comprehensive ecological cultivation mode provided by the invention, those skilled in the art is according to actual conditions, in above-mentioned parameter, the selection that does not need creative work can be made, the compound breed of ecological, environmental protective can both be realized.
The testing result of bottom material of pond for breeding environmental change sees Table 1 before and after the Penaeus Vannmei cultivating pool kind grass; The Penaeus Vannmei cultivating pool sees Table 2 according to the testing result that ammonia nitrogen in the breed middle and later periods water body of different breeding pattern changes.Table 1 shows that the pond of planting perennial ryegrass at the inclined to one side alkali of pH of culturing the middle and later periods, do not plant then meta-acid of careless pond, and the pH that planted the perennial ryegrass pond is more suitable for Penaeus Vannmei and cultures.Can show that from the variation of organic, full nitrogen, hydrolyzable nitrogen organic matter, full nitrogen, hydrolyzable nitrogen at the bottom of the pool, perennial ryegrass plantation back have tangible minimizing, illustrate that perennial ryegrass can effectively absorb the organic matter in the bed mud, full nitrogen and hydrolyzable nitrogen.Table 2 shows that the pond middle and later periods water body ammonia nitrogen of planting perennial ryegrass is more stable, and it is in rising trend not plant perennial ryegrass pond waters ammonia nitrogen, and the value of ammonia nitrogen had influence on Penaeus Vannmei and culture, and easily causes the prawn morbidity.
Table 1: bottom material of pond for breeding environmental change before and after the Penaeus Vannmei cultivating pool kind grass
Table 2, Penaeus Vannmei cultivating pool are cultured ammonia nitrogen variation (mg/L) in the middle and later periods water body
Economic and Efficiency Analysis: the 1. output and the output value, 250 kilograms of average every mu of production high-quality Penaeus Vannmeis, 22 yuan/kilogram of average prices, 5500 yuan of the output values; Cultivate young crucian 300,000 tails, average 100 yuan/ten thousand tails, 3000 yuan of the output values; 30 of culturing high-quality white gooses, average 70 yuan/only, 2100 yuan of the output values; 10 of the ecological Chinese soft-shelled turtles of culturing high-quality, 250 yuan/only, 2500 yuan of the output values; Add up to 13100 yuan of per mu yield values.2. pay, 6870 yuan/mu of total expenditures, every mu of expected cost is 2250 yuan of prawns; 1200 yuan of white gooses (building expense according to 5 years amortization charges) comprising the warm canopy of brooding; Fry breeds 2000 yuan of relevant expenditures; 420 yuan of China's soft-shelled turtle kind and fingerlings; Water power reaches and manually waits 1000 yuan of other relevant spendings.3. Economic and Efficiency Analysis, the mu benefit is 6230 yuan, input-output ratio is 1: 1.91, remarkable in economical benefits.
The industry practicality
The present invention utilizes outer season in winter slack in pond culture cycle, carry out rye grass planting and bird (mainly being white goose) cultivation in the fish pond, utilize the rye grass to absorb nutritive salt materials such as decomposing a large amount of bait residual in the white shrimp breeding process of South America, pond, ight soil, corpse, stablize bottom material of pond for breeding, the poisonous and harmful substances such as control nitrite, ammonia nitrogen are concentrated outburst during summer high temperature, stablize the pond cultivation water, reach the efficient purpose of stable yields. Can change in the past pure water product cultivation pattern, provide a kind of ecotype comprehensively to cultivate pattern, when meeting aquaculture ecological, environmental protective development trend, economic benefit is improved greatly.
Although the inventor has done comparatively detailed elaboration to technical scheme of the present invention and has enumerated, be to be understood that, for the those skilled in the art in this area, above-described embodiment is modified or flexible or to adopt the replacement scheme that is equal to be obvious, the essence that all can not break away from spirit of the present invention, the term that occurs among the present invention is used for elaboration and the understanding to technical solution of the present invention, can not be construed as limiting the invention.
Claims (10)
1. plant the cultural method that perennial ryegrass and foster fowl are improved bottom material of pond for breeding for one kind, an one culture-cycle comprises:
(1) at the bottom of the pond, cultivates perennial ryegrass mid-September to next year by the end of April
After prawn rises and catches, drain Chi Shui, excavation matrix pattern drain ditch at the bottom of the pool, furrow width 30-50 centimetre, dark 5-10 centimetre, mid or late September sowing rye grass-seed, seeding quantity is by every mu of 1.5-2.5 kilogram, sowing depth is at 1.5-2.5 centimetre, harvesting when treating that perennial ryegrass grows to more than 25 centimetres, when gathering in stubble height 4-6 centimetre at every turn
(2) support fowl mid-April in November to next year on the limit, pond
Goose house is built on the limit, pond, adopt put in a suitable place to breed two season white goose mode, only culture New Year goose by every mu of 10-15 the first season, only culture clear and bright goose by every mu of 20-30 the second season, green fodder adopts the perennial ryegrass of step (1) cultivation, mid-April, white goose was formed,
(3) mid-April is to breeding fry in the pond by the end of May
After white goose is formed, to concentrated the tapping of the residual perennial ryegrass in pond, stay 4-6 centimetre of perennial ryegrass, use 100-200 kilogram of raw lime for every mu and carry out disinfection, water quality is cultivated in water inlet then, and carry out fry behind the water quality reaching standard and breed,
(4) June is to cultured prawn mid-September
After fry breeds end, drain Chi Shui, shone pool 7-10 days, use quicklime 60-150 kilogram for every mu and carry out disinfection, water quality is cultivated in water inlet then, carries out prawn culturing behind the water quality reaching standard.
2. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that what the pond in the described step (1) was selected for use is the Penaeus Vannmei cultivating pool.
3. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, the mode of disseminating is adopted in the sowing in the described step (1).
4. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that described green fodder consumption is every white goose 3-4kg every day, and feed intake 2-4 every day.
5. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, described method also is included in the ight soil of white goose adds quicklime, cover after fermentation with film, fermenting is used as pond rich water organic manure after 7-10 days, add 4-5kg quicklime in wherein every 48-50kg ight soil.
6. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, the time of cultivating water quality in the described step (3) is fortnight, after water quality meets GB 11607-1989 water quality standard for fishery, carries out fry again and breeds.
7. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, the fry in the described step (3) breeds according to the conventional fry and fingerling technical specification of cultivating in SC/T1008-1994 pond and carries out.
8. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that the fry in the described step (3) comprises black carp, grass carp, silver carp, bighead or carp fry.
9. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, the time of the cultivation water quality in the described step (4) is more than 10 days, and water quality is carried out prawn culturing after meeting NY 5052-2001 requirement again.
10. plantation perennial ryegrass according to claim 1 and foster fowl are improved the cultural method of bottom material of pond for breeding, it is characterized in that, prawn in the described step (4) is a Penaeus Vannmei, cover is supported Chinese soft-shelled turtle in the breeding process, and it is cultured the standard of supporting according to DB330281/T 15.3-2009 Penaeus Vannmei pond cover and carries out.
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