CN114190304A - Breeding method for realizing symbiosis of fish and grass by utilizing biogas slurry - Google Patents
Breeding method for realizing symbiosis of fish and grass by utilizing biogas slurry Download PDFInfo
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- CN114190304A CN114190304A CN202111507626.8A CN202111507626A CN114190304A CN 114190304 A CN114190304 A CN 114190304A CN 202111507626 A CN202111507626 A CN 202111507626A CN 114190304 A CN114190304 A CN 114190304A
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 46
- 239000002002 slurry Substances 0.000 title claims abstract description 19
- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 13
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 title claims abstract description 13
- 238000009395 breeding Methods 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 238000003973 irrigation Methods 0.000 claims abstract description 4
- 230000002262 irrigation Effects 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 13
- 239000011574 phosphorus Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 238000012364 cultivation method Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 7
- 241000252230 Ctenopharyngodon idella Species 0.000 claims description 6
- 241001107128 Myriophyllum Species 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000002028 Biomass Substances 0.000 claims 1
- 238000012136 culture method Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 240000001592 Amaranthus caudatus Species 0.000 description 10
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 10
- 241000195493 Cryptophyta Species 0.000 description 10
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 244000144977 poultry Species 0.000 description 3
- 239000002352 surface water Substances 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 235000020774 essential nutrients Nutrition 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000538974 Stromateus fiatola Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Classifications
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- 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
- A01K61/10—Culture of aquatic animals of fish
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
-
- 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)
- Engineering & Computer Science (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biotechnology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a culture method for realizing symbiosis of fish and grass by utilizing biogas slurry in the field of fishpond planting, which comprises the following steps of S1, enclosing a rectangular pond stem along the periphery of a fishpond, and sequentially arranging a fishpond tail water inlet pipe and a water level adjusting discharge pipe from the high position to the low position of the water level in the fishpond; s2, planting the watery surface of the fish pond with the watery body of the watery body, and then erecting a sunshade above the planting range of the watery body of the fish pond; s3, arranging a drip hole every 50cm long for the fishpond tail water inlet pipe, wrapping the outer surface of the biogas slurry inlet drip irrigation pipe with a damp cloth to pass through biogas slurry to culture plankton, and controlling the number of floating oil organisms by fish so as to purify the water discharged through the water outlet pipe. The content of organic matters in the water body is reduced through the comprehensive actions of physics, chemistry and biology of the biology, and the content of dissolved oxygen is improved at the same time, so that the aim of purifying sewage is fulfilled.
Description
Technical Field
The invention belongs to the field of fishpond planting, and particularly relates to a culture method for realizing symbiosis of fish and grass by utilizing biogas slurry.
Background
The fishpond tail water is the biogas slurry generated by anaerobic fermentation of fecal sewage of livestock and poultry breeding industry, and the fishpond tail water generated by fish culture in an oxidation pond and utilization, does not reach the discharge standard, and can be discharged after further treatment. If the wastewater is directly discharged without being treated, the surrounding environment is polluted, and most of the existing treatment methods for the low-concentration wastewater adopt flocculation precipitation purification, and have complex operation and high cost. The livestock and poultry excrement sewage is rich in feed nutrient substances which are not digested and absorbed by livestock and poultry, after anaerobic fermentation and fish culture, the fishpond tail water generally contains mycoprotein, undecomposed organic matters, a small amount of soluble nitrogen, phosphorus, potassium and other substances, and is an essential nutrient substance for crop growth and also an essential nutrient substance for growth and reproduction of aquatic organisms.
Therefore, the pond tail water can be purified and utilized through the foxtail algae (aquatic plants) oxidation pond, so that the problem of standard discharge of the pond tail water is solved, and the foxtail algae serving as a bait is harvested. And the ponds and the valleys in the south are more, and the ponds constructed by utilizing the land types have the advantages of simple design, investment saving, simple operation and low cost. Therefore, the technique for purifying and utilizing the tail water end of the watermifoil fishpond has wide popularization and application significance.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a culture method for realizing symbiosis of fish and grass by utilizing biogas slurry.
In order to achieve the purpose, the technical scheme of the invention is as follows: a cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry comprises the following steps:
s1, enclosing a rectangular pond stem along the periphery of the fish pond, and sequentially arranging a fish pond tail water inlet pipe and a water level adjusting and discharging pipe from the high position to the low position of the water level in the fish pond;
s2, planting the watery surface of the fish pond with the watery body of the watery body, and then erecting a sunshade above the planting range of the watery body of the fish pond;
s3, arranging a drip hole every 50cm of the fishpond tail water inlet pipe, and wrapping the outer surface of the biogas slurry inlet drip irrigation pipe with damp cloth.
Further, the fishpond tail water comprises the following suspended matters: 100-300 mg/L, total nitrogen: 30-80 mg/L, CODcr: 100-300 mg/L, ammonia nitrogen: 3-5 mg/L and total phosphorus: 10.0-25.0 mg/L.
Further, the covered area of the watermifoil is larger than the maximum water discharge amount of the fish pond30.2 m, so that the water surface of the fishpond is set to be the watery retention time of the watery purification of the watery myriophyllum above 5 days.
Further, the tail water inlet pipe faces the root of the myriophyllum.
Furthermore, the height of the pond ridge is 1.2 meters, and the effective water storage depth is 0.8-1.0 meter.
Furthermore, the water inflow amount of the tail water of the fishpond is 20% of the effective water capacity of the waterpond, the waterpond water temperature is 18-32 ℃, and the integral pH value of the fishpond is 6.0-8.5.
Further, the watermifoil is harvested once every 2-4 days along with the growth and the propagation of the watermifoil, the watermifoil is harvested 121 times in a year, and the harvested watermifoil is used as grass carp bait.
After the scheme is adopted, the following beneficial effects are realized: compared with the prior art, the method has the advantages that the watermifoil is planted in the fishpond tail water for culturing fish, the watermifoil contains mycoprotein, undecomposed organic matters and a small amount of soluble nutrients such as nitrogen, phosphorus and potassium, so that the watermifoil provides nutrients and water for the watermifoil, and the watermifoil is absorbed and utilized by the watermifoil root system to achieve the purification effect; the watermifoil produced in the purification process is used as grass carp bait. The system has the characteristics of low capital investment, low operation cost, good water quality purification effect and convenient management, and can also harvest fish baits while solving the environmental problem.
Drawings
FIG. 1 is a schematic diagram of the structure of the fish pond of the present invention;
FIG. 2 is a top view of FIG. 1 in accordance with the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fishpond 1, a fishpond tail water inlet pipe 2, a water level adjusting discharge pipe 3, a dropping hole 4, a damp cloth 5 and a bracket 6.
Example one
Referring to fig. 1, a technique for purifying and utilizing the tail water of a watermifoil fishpond comprises the following steps:
1) prefabricating a fish pond, wherein the site selection of the fish pond requires a region with mild climate, good illumination condition and no pollution; the height of a pond ridge of the fishpond 1 is 1.2 meters, the effective water storage depth is 0.8-1.0 meter, a fishpond tail water inlet pipe is arranged at the upper part of one end of the fishpond, a water outlet for controlling the water level is arranged at the other end of the upper part of the fishpond, the water surface of the fishpond is set to be the fishpond tail water purification hydraulic retention time for more than 5 days, and a bracket 6 is arranged at the upper part of the fishpond so as to shade sun in summer and preserve heat in winter, the water temperature is controlled to be 18-32 ℃, and the normal growth of the watermifoil is ensured;
2) after a fish pond is built, watermifoil is planted at the bottom of the pond, after the watermifoil survives, water is gradually added to the pond along with the growth of the watermifoil until the water level reaches 1.0 meter, a bracket is arranged on the upper part of the fish pond in summer and covered with a sunshade net, a bracket is arranged on the upper part of the fish pond in winter and covered with a heat-preservation film, the water temperature is controlled to be 18-32 ℃, and the watermifoil is ensured to grow normally;
3) the tail water of the fish pond 1, which is continuously introduced into the waterpond 1 of the watermifoil through the water inlet of the tail water of the fish pond 1 for 24 hours every day, is less than 50 meters3The length of the fishpond tail water inlet pipe 2 is every 50cm provided with a drip hole 4, and the outer surface of the biogas slurry inlet drip irrigation pipe is wrapped with a damp cloth 5. The water quality of the tail water of the fishpond 1 is as follows: suspended matters: 100-300 mg/L, total nitrogen: 30-80 mg/L, CODcr: 100-300 mg/L, ammonia nitrogen: 3-5 mg/L, total phosphorus: 10.0 ~ 25.0mg/L, 1 tail water in pond that lets in daily its suspended solid, organic matter, full N, CODcr, ammonia nitrogen and total phosphorus are by the foxtail algae root system adsorb and absorb the utilization after, discharge through the delivery port of control water level, and discharged water quality is the suspended solid: 10mg/L, total nitrogen: 1.1mg/L, CODcr: 15mg/L, ammonia nitrogen: 1.0mg/L, total phosphorus: 0.23mg/L, which reaches the IV-class standard of surface water discharge. In this example, watermifoil fish ponds: 32 m long, 8m wide and 256 m area2。
In the embodiment, the watermifoil is harvested once every 2-4 days along with the growth and propagation of watermifoil. Harvesting 119 times in a cumulative year, wherein the harvested foxtail algae are used as grass carp baits; annual accumulated purified fishpond tail water about 15000 meters3。
Example two
The present embodiment differs from the above embodiments in that: the tail water of the fish pond 1 continuously introduced into the watermifoil fish pond 1 through a tail water inlet 20 of the fish pond 1 for 24 hours a day is less than 80 meters3The water quality of the tail water of the fishpond 1 is as follows: suspended matters: 150-300 mg/L, total nitrogen: 40-80 mg/L, CODcr: 120-300 mg/L, ammonia nitrogen: 3-5 mg/L, total phosphorus: 12.0 ~ 25.0mg/L, 1 tail water in pond that lets in daily its suspended solid, organic matter, full N, CODcr, ammonia nitrogen and total phosphorus are by the foxtail algae root system adsorb and absorb the utilization after, discharge through the delivery port 20 of control water level, and discharged water quality is the suspended solid: 10mg/L, total nitrogen: 1.3mg/L, CODcr: 18mg/L, ammonia nitrogen: 1.2mg/L, total phosphorus: 0.26mg/L, which reaches the IV-class standard of surface water discharge.
In this embodiment, the watermifoil pond 1: 40 m long, 10m wide and 400 m area2。
In the embodiment, the watermifoil is harvested once every 2-4 days along with the growth and reproduction of watermifoil. The foxtail algae are harvested for 121 times in a cumulative year, and the harvested foxtail algae are used as grass carp baits; the annual accumulated purified 1-tail water of the fishpond is about 25000 meters3。
EXAMPLE III
The present embodiment differs from the above embodiments in that: the method comprises the following steps:
the tail water of the fish pond 1 continuously introduced into the waterpond 1 of the watermifoil through a tail water inlet of the fish pond 1 for 24 hours a day is less than 120 m 3, and the water quality of the tail water of the fish pond 1 is as follows: suspended matters: 100-280 mg/L, total nitrogen: 35-80 mg/L, CODcr: 100-280 mg/L, ammonia nitrogen: 3-4.5 mg/L, total phosphorus: 10.0 ~ 22.0mg/L, its suspended solid, organic matter, full N, CODcr, ammonia nitrogen and total phosphorus of pond 1 tail water that lets in daily are by the foxtail algae root system adsorb and absorb the utilization after, discharge through the delivery port of control water level, and discharged water quality is the suspended solid: 10mg/L, total nitrogen: 1.1mg/L, CODcr: 15mg/L, ammonia nitrogen: 1.0mg/L, total phosphorus: 0.21mg/L, which reaches the IV-class standard of surface water discharge.
In this embodiment, the watermifoil pond 1: 52 m long, 12 m wide and 624 m area2。
In the embodiment, the watermifoil is harvested once every 2-4 days along with the growth and reproduction of watermifoil. The foxtail algae are harvested for 115 times in a cumulative year, and the harvested foxtail algae are used as grass carp baits; the annual accumulated purified tail water of the fishpond 1 is about 40000 meters3。
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry is characterized by comprising the following steps: the method comprises the following steps:
s1, enclosing a rectangular pond stem along the periphery of the fish pond, and sequentially arranging a fish pond tail water inlet pipe and a water level adjusting and discharging pipe from the high position to the low position of the water level in the fish pond;
s2, planting the watery surface of the fish pond with the watery body of the watery body, and then erecting a sunshade above the planting range of the watery body of the fish pond;
s3, arranging a drip hole every 50cm of the fishpond tail water inlet pipe, and wrapping the outer surface of the biogas slurry inlet drip irrigation pipe with damp cloth.
2. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 1, which is characterized in that: the fishpond tail water comprises the following suspended matters: 100-300 mg/L, total nitrogen: 30-80 mg/L, CODcr: 100-300 mg/L, ammonia nitrogen: 3-5 mg/L and total phosphorus: 10.0-25.0 mg/L.
3. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 2, which is characterized in that: the covered area of the watermifoil is larger than the maximum water discharge amount of the fish pond30.2 m, so that the water surface of the fishpond is set to be the watery retention time of the watery purification of the watery myriophyllum above 5 days.
4. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 3, wherein the cultivation method comprises the following steps: the tail water inlet pipe faces the root of the myriophyllum.
5. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 1, which is characterized in that: the height of the pond ridge is 1.2 meters, and the effective water storage depth is 0.8-1.0 meter.
6. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 1, which is characterized in that: the water inflow amount of the tail water of the fishpond is 20% of the effective water capacity of the watermifoil fishpond, and the watermifoil biomass in the fishpond is controlled to account for more than 95% of the water surface, the water temperature of the fishpond is controlled to be 18-32 ℃, and the integral pH value of the fishpond is controlled to be 6.0-8.5 after planting.
7. The cultivation method for realizing symbiosis of fish and grass by utilizing biogas slurry as claimed in claim 1, which is characterized in that: the watermifoil is harvested once every 2-4 days along with the growth and the propagation of the watermifoil, the watermifoil is harvested 121 times in a year, and the harvested watermifoil is used as grass carp bait.
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Cited By (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367884A (en) * | 2022-08-12 | 2022-11-22 | 中国科学院、水利部成都山地灾害与环境研究所 | River-entering front buffering system for small watershed non-point source pollution prevention and control |
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Application publication date: 20220318 |