CN110741981A - Water fertilizing method for aquaculture water body - Google Patents

Water fertilizing method for aquaculture water body Download PDF

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CN110741981A
CN110741981A CN201911227205.2A CN201911227205A CN110741981A CN 110741981 A CN110741981 A CN 110741981A CN 201911227205 A CN201911227205 A CN 201911227205A CN 110741981 A CN110741981 A CN 110741981A
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water
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per
water body
diatom
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CN110741981B (en
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范秀娟
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范秀娟
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

A water fertilizing method for aquaculture water relates to the technical field of aquaculture water fertilizing. The method aims to solve the problems of poor water fertilizing effect and easy environmental pollution existing in the existing aquaculture species. The method comprises the following steps: water body inspection; adding detoxication baccatin and algae balance essence on day 1; adding diatom vitality element on day 2; adding directional diatom fertilizer on day 4; adding diatom vitality element and directional diatom fertilizer on the 5 th day; adding super-effective probiotics and concentrated photosynthetic bacteria. The method 2 comprises the following steps: water body inspection; adding detoxication baccatin and algae balance essence on day 1; adding full-effect chlorella and directional green algae fertilizer on day 2; adding full-effect chlorella and directional green algae fertilizer on day 5; adding super-effective probiotics and concentrated photosynthetic bacteria. The invention has good water fertilizing effect, improves the quality of aquaculture and does not cause environmental pollution; can directionally culture diatom water or green algae water, so that the biomass of beneficial algae in the culture water is high, and the water quality activity and stability are maintained. The invention is suitable for the rich water of the culture water body.

Description

Water fertilizing method for aquaculture water body
Technical Field
The invention relates to the technical field of aquaculture rich water.
Background
The rich water is the most important link of aquaculture species, the fish is firstly cultivated with water, and the key of the water cultivation lies in the rich water. The essential function of the rich water mainly has two aspects: 1. the dissolved oxygen of the water body is improved, the metabolic cycle of various substances and energy in the water body is promoted, and the normal life activity of the cultivated species is ensured; 2. increase the number of bait organisms and provide high-quality high-nutrition food for the cultured animals. However, improper fertilization of water can cause the possibility of culturing harmful algae, so that the ecological system of the whole pond is collapsed, and the quality of aquaculture species is greatly reduced.
The traditional water fertilizing method is mainly to fertilize water by fertilizing, or to consider that water is rich when water has color, but the fact is not so. The large amount of organic fertilizer or chemical fertilizer is added, which causes the fertilizer in the water to be large in amount, the water to be eutrophicated, and a large amount of harmful algae to harm the cultured animals. In recent years, the loss caused by improper fertilizer and water increases year by year, and the quality of cultivated varieties and the ecological environment are seriously threatened. The messy fertilization causes environmental pollution and outbreak of harmful algae in water, and increases the difficulty of aquaculture. An aquatic environment is an interdependent and interdependent ecosystem of aquatic organisms. The water body can affect other organisms in the water body, such as algae, zooplankton and beneficial microorganisms, to different degrees due to improper water-rich input of various pollutants. Algae, the first producers of aquatic ecosystems, provide food and oxygen to higher trophic levels of organisms in quantities and varieties that will directly or indirectly affect and reflect the structural and functional stability of the overall aquatic ecosystem, a critical role in the success or failure of aquaculture.
Disclosure of Invention
The invention aims to provide a water fertilizing method for aquaculture water bodies, which aims to solve the problems that the existing aquaculture seeds are poor in water fertilizing effect and easy to cause environmental pollution.
The water fertilizing method for the aquaculture water body comprises the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 0.2-0.5 kg of diatom activator per mu per meter;
day 4: adding 0.1-0.3 kg of directional diatom fertilizer per mu per meter;
day 5: if the transparency of the water body to be treated is more than 80cm, adding 0.1-0.25 kg/mu.m of diatom activator and 0.1-0.25 kg/mu of oriented diatom fertilizer;
7 th to 10 th days: and if the transparency of the water body to be treated is below 40cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
The water fertilizing method for the aquaculture water body comprises the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 3-5 liters of full-effect chlorella per mu per meter and 0.1-0.5 kilogram of oriented green alga fertilizer per mu per meter at 8-10 points in a sunny day;
day 5: if the transparency of the water body to be treated is more than 50cm, 1-5 liters/mu of full-effect chlorella and 0.1-0.25 kg/mu of oriented green alga fertilizer are added at 8-10 points on a sunny day;
7 th to 10 th days: and if the transparency of the water body to be treated is less than 20cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
The invention has the advantages that:
1. the water fertilizing method for the aquaculture water body is scientific and effective, can directionally culture diatom water or green algae water, enables the biomass of beneficial algae in the aquaculture water body to reach 20-100 mg/L, and keeps water quality activity and stability.
2. The water fertilizing method for the aquaculture water body disclosed by the invention is used for fertilizing and culturing water scientifically, so that the water fertilizing effect is good, the quality and quality of aquaculture are improved, ecological protection is enhanced, and environmental pollution is avoided;
the obtained fertilizer water standard is as follows:
(1) different standards of different algae are adopted, the transparency is taken as a standard, the diatom is usually 50-100 cm, the green algae is 30-50 cm, and the silicon green algae is 40-50 cm;
(2) the daily change of the dissolved oxygen is 5-12 mg/L, and the daily change of the pH value is 7.5-8.8;
(3) the water color is stable but changed, and the algae phase is mainly beneficial algae diatom and green algae of more than 80 percent;
(4) the water quality index meets the national fishery water standard.
The invention is suitable for the rich water of the culture water body.
Drawings
FIG. 1 is a microscopic view of a water body on the 5 th day of treatment of rich water in a culture water body in the example;
FIG. 2 is a microscopic view of the water body on the 6 th day of the treatment of the rich water in the aquaculture water in the examples.
Detailed Description
The technical solution of the present invention is not limited to the following specific embodiments, but includes any combination of the specific embodiments.
The first embodiment is as follows: the water fertilizing method for the aquaculture water body comprises the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 0.2-0.5 kg of diatom activator per mu per meter;
day 4: adding 0.1-0.3 kg of directional diatom fertilizer per mu per meter;
day 5: if the transparency of the water body to be treated is more than 80cm, adding 0.1-0.25 kg/mu.m of diatom activator and 0.1-0.25 kg/mu of oriented diatom fertilizer;
7 th to 10 th days: and if the transparency of the water body to be treated is below 40cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
After the embodiment is finished, the later maintenance is continued according to the change of the water quality, and the diatom vitality elements are supplemented until the cultivation is finished.
In the present embodiment, the toxin-removing phycoerythrin, the algae balance, the diatom vitality, the directional diatom fertilizer, the super-effective probiotic bacteria and the concentrated photosynthetic bacteria are all purchased from Tianjin algae-moistening Biotechnology Co.
The added diatom vitality elements in the embodiment are beneficial algae seeds; the diatom vigor element is matched with the corresponding nutrition directional diatom fertilizer for use, so that the effect is good; after two days, the diatom vitality element and the directional diatom fertilizer are supplemented once again, and the effect is stable.
In the embodiment, super-effective probiotics and concentrated photosynthetic bacteria are added in 7 th to 10 th days to decompose aged and dead algae and redundant organic matters in the pond.
In the water fertilizing method for the aquaculture water body in the embodiment, the directional culture diatom water adding mode is that water is added, the diatom water is splashed in the whole pond after being soaked for 48 hours, and the aim of fertilizing water is achieved through directional culture of algae. The dissolved oxygen is improved, the transparency is reduced, and the water quality index is stable. The diatom algae can be directionally cultured to breed sea cucumber, crab, lobster and fish, and the rich water can improve the yield and reduce the invasion of pathogenic bacteria.
The second embodiment is as follows: the difference between the embodiment and the specific embodiment is that the diatom activator needs to be soaked in water for 48 hours before being added. Other steps and parameters are the same as those in the first embodiment.
The third concrete implementation mode: the difference between the first embodiment and the second embodiment is that 0.3 kg of diatom activator is added per mu-meter on day 2. Other steps and parameters are the same as those in the first or second embodiment.
The fourth concrete implementation mode: the difference between the embodiment and one of the first to the third embodiments is that on the 5 th day, if the transparency of the water body to be treated is more than 80cm, 0.2 kg of diatom activator per mu and 0.2 kg of oriented diatom fertilizer per mu are added. Other steps and parameters are the same as those in one of the first to third embodiments.
The fifth concrete implementation mode: the difference between the embodiment and one of the first to the fourth embodiments is that 0.4 kg/mu.m of super-effective probiotics and 2L/mu.m of concentrated photosynthetic bacteria are added in 7 th to 10 th days if the transparency of the water body to be treated is less than 40 cm. Other steps and parameters are the same as in one of the first to fourth embodiments.
The sixth specific implementation mode: the water fertilizing method for the aquaculture water body comprises the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 3-5 liters of full-effect chlorella per mu per meter and 0.1-0.5 kilogram of oriented green alga fertilizer per mu per meter at 8-10 points in a sunny day;
day 5: if the transparency of the water body to be treated is more than 50cm, 1-5 liters/mu of full-effect chlorella and 0.1-0.25 kg/mu of oriented green alga fertilizer are added at 8-10 points on a sunny day;
7 th to 10 th days: and if the transparency of the water body to be treated is less than 20cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
After the embodiment is finished, the later maintenance is continued according to the change of the water quality, and the full-effect chlorella is supplemented until the culture is finished.
In the present embodiment, the toxin-removing phycoerythrin, the algae balance, the full-effect chlorella, the oriented green algae fertilizer, the super-effect probiotic bacteria and the concentrated photosynthetic bacteria are all purchased from Tianjin algae-moistening Biotech Co.
The full-effect chlorella added in the embodiment is beneficial algae; the full-effect chlorella is matched with the corresponding nutrition oriented green alga fertilizer for use, and the effect is good; the full-effect chlorella and the oriented green alga fertilizer are supplemented once again after two days, and the effect is stable.
In the embodiment, super-effective probiotics and concentrated photosynthetic bacteria are added in 7 th to 10 th days to decompose aged and dead algae and redundant organic matters in the pond.
In the water fertilizing method for the aquaculture water body in the embodiment, the green algae water is directionally cultured, the feeding mode is that the aquaculture pond is uniformly sprayed, the transparency of the water quality after the feeding is reduced, the dissolved oxygen is improved, and the water quality index is stable. The yield can be improved and the invasion of pathogenic bacteria can be reduced by directionally culturing green algae and culturing Penaeus vannamei Boone, fish, shellfish and the like with rich water.
The seventh embodiment: the sixth difference between the present embodiment and the sixth embodiment is that, in a sunny day of the 2 nd day, if a cloudy day is encountered, the adding time is delayed until 4 consecutive days in the future are all sunny days. Other steps and parameters are the same as those in the sixth embodiment.
The specific implementation mode is eight: the difference between the embodiment and the sixth or seventh embodiment is that 4 liters of full-effect chlorella and 0.3 kg of oriented green alga fertilizer are added at 9 points on the sunny day of the 2 nd day. Other steps and parameters are the same as those of the sixth or seventh embodiment.
The specific implementation method nine: the difference between the embodiment and one of the sixth to eighth embodiments is that, on the 5 th day, if the transparency of the water body to be treated is more than 50cm, 3 liters/mu of full-effect chlorella and 0.2 kg/mu of oriented green alga fertilizer are added at 9 points on a sunny day. Other steps and parameters are the same as those in one of the sixth to eighth embodiments.
The detailed implementation mode is ten: the difference between the embodiment and one of the sixth to ninth embodiments is that 0.3 kg/mu.m of super-effective probiotics and 2L/mu.m of concentrated photosynthetic bacteria are added in 7 th to 10 th days if the transparency of the water body to be treated is less than 20 cm. Other steps and parameters are the same as those in one of the sixth to ninth embodiments.
The beneficial effects of the present invention are demonstrated by the following examples:
examples
The water fertilizing method for the aquaculture water body comprises the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 5 liters of full-effect chlorella per mu per meter and 0.5 kilogram of oriented green alga fertilizer per mu per meter at 9 points in sunny days;
day 5: if the transparency of the water body to be treated is more than 50cm, 5 liters/mu of full-effect chlorella and 0.25 kg/mu of oriented green alga fertilizer are added at 9 points on a sunny day;
7 th to 10 th days: if the transparency of the water body to be treated is below 20cm, 0.3 kg of super-effective probiotics and 3 liters of concentrated photosynthetic bacteria are added to complete the water fertilizing method of the aquaculture water body.
After the embodiment is finished, the later maintenance is continued according to the change of the water quality until the culture is finished.
In this example, the toxin-removing phycoerythrin, the algae balance, the full-effect chlorella, the oriented green algae fertilizer, the super-effect probiotics and the concentrated photosynthetic bacteria were purchased from Tianjin algae-moistening Biotech Co.
The water body to be treated in the embodiment: culturing Penaeus vannamei Boone in a Guangxi soil pond, introducing water in 2019 and 9 months, wherein the water is clear and meets the bottom, the transparency is more than 120cm, and no algae, pH8.3 and no zooplankton are detected by a microscope;
no. 9 and No. 10 in 2019, the water quality of the aquaculture water body begins to be enriched, the pH value is measured at 8.3 at No. 9 and No. 14 early 8 points, the dissolved oxygen is 5.5mg/L, ammonia nitrogen and nitrite are not contained, and the water quality is detected by a microscope, as shown in figure 1, the water quality mainly comprises chlorella, small ring algae, navicula, chrysophyceae and the like, and the transparency is 80 cm. The pH value is 8.4 at 18 nights, the dissolved oxygen is 7.5mg/L, ammonia nitrogen and nitrite are not contained, and the transparency is 60 cm.
Half pH8.3 at 8 am earlier than No. 9/15, dissolved oxygen 6.0mg/L, no ammonia nitrogen and nitrite, and microscopic detection, as shown in FIG. 2, mainly Chlorella, oocystis, Cyclotella, Navicula, Chrysophyta, Chaetoceros, and Diatom directly connected to particle, with transparency of 60 cm. According to the experimental result, the transparency of the obtained rich water is obviously reduced, 18 o' clock in evening of 9 months and 15 days, the pH value is 8.8, the dissolved oxygen is 8.5mg/L, no ammonia nitrogen or nitrite exists, the transparency is reduced to 40cm, and the rich water obtaining standard is met; from the microscopic image of FIG. 2, it can be seen that the biomass is significantly greater than in FIG. 1.

Claims (10)

1. The water fertilizing method of the aquaculture water body is characterized by comprising the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 0.2-0.5 kg of diatom activator per mu per meter;
day 4: adding 0.1-0.3 kg of directional diatom fertilizer per mu per meter;
day 5: if the transparency of the water body to be treated is more than 80cm, adding 0.1-0.25 kg/mu.m of diatom activator and 0.1-0.25 kg/mu of oriented diatom fertilizer;
7 th to 10 th days: and if the transparency of the water body to be treated is below 40cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
2. The method for fertilizing water in aquaculture water bodies of claim 1, wherein the diatom active elements are soaked in water for 48 hours before being added.
3. The method for fertilizing water in aquaculture water bodies of claim 1, wherein 0.3 kg of diatom activator is added per mu-meter on day 2.
4. The method for fertilizing water in aquaculture water bodies as claimed in claim 1, wherein on the 5 th day, if the transparency of the water body to be treated is more than 80cm, 0.2 kg/mu-m of diatom activator and 0.2 kg/mu of oriented diatom fertilizer are added.
5. The method for fertilizing water in aquaculture water bodies as claimed in claim 1, wherein 0.4 kg/mu-m of super-effective probiotics and 2 l/mu-m of concentrated photosynthetic bacteria are added in 7-10 days if the transparency of the water body to be treated is below 40 cm.
6. The water fertilizing method of the aquaculture water body is characterized by comprising the following steps:
and (3) standard of water to be treated: the biomass of algae in the water body is less than 10mg/L, the transparency of the water body is more than 100cm, and the highest point of dissolved oxygen in the whole day is less than 5 mg/L;
day 1: adding 0.25 kg of detoxification phycoerythrin per mu per meter and 0.25 kg of algae balance element per mu per meter into a water body to be treated;
day 2: adding 3-5 liters of full-effect chlorella per mu per meter and 0.1-0.5 kilogram of oriented green alga fertilizer per mu per meter at 8-10 points in a sunny day;
day 5: if the transparency of the water body to be treated is more than 50cm, 1-5 liters/mu of full-effect chlorella and 0.1-0.25 kg/mu of oriented green alga fertilizer are added at 8-10 points on a sunny day;
7 th to 10 th days: and if the transparency of the water body to be treated is less than 20cm, adding 0.2-0.5 kg of the super-efficient probiotics per mu per meter and 1-5L of the concentrated photosynthetic bacteria per mu per meter to finish the water fertilizing method of the aquaculture water body.
7. The method for fertilizing water in an aquaculture water body of claim 6, wherein the 2 nd sunny day, if meeting cloudy day, postponing the adding time until 4 consecutive days in the future are all sunny days.
8. The method for fertilizing water in an aquaculture water body as claimed in claim 6, wherein 4 liters/mu-m of full effect chlorella and 0.3 kg/mu-m of oriented green algae fertilizer are added at 9 points on a sunny day on the 2 nd day.
9. The water fertilizing method for aquaculture water bodies as claimed in claim 6, wherein on the 5 th day, if the transparency of the water body to be treated is more than 50cm, 3 liters/mu of full effect chlorella and 0.2 kg/mu of oriented green algae fertilizer are added at 9 points on a sunny day.
10. The water fertilizing method for aquaculture water bodies as claimed in claim 6, wherein 0.3 kg/mu-m of super-effective probiotics and 2 l/mu-m of concentrated photosynthetic bacteria are added for 7-10 days if the transparency of the water body to be treated is below 20 cm.
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