CN110999850A - Method for controlling density of algae in shrimp pond - Google Patents
Method for controlling density of algae in shrimp pond Download PDFInfo
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- CN110999850A CN110999850A CN201911343442.5A CN201911343442A CN110999850A CN 110999850 A CN110999850 A CN 110999850A CN 201911343442 A CN201911343442 A CN 201911343442A CN 110999850 A CN110999850 A CN 110999850A
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- 240000001046 Lactobacillus acidophilus Species 0.000 claims description 10
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 claims description 10
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- 229940005347 alcaligenes faecalis Drugs 0.000 claims description 10
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live 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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
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Abstract
The invention provides a method for controlling the density of algae in a shrimp pond, which comprises the following steps: the method for preparing the shrimp pond algae-killing agent comprises the steps of pond sunning, water quality regulation, compound microbial preparation splashing and filtration and water injection, the growth density of algae in the shrimp pond can be effectively controlled by adopting the preparation method, the growth of the algae in the pond is effectively controlled under the action of the compound microbial preparation by regulating the water quality condition in the pond, the growth of algae plants is effectively inhibited, the water in the shrimp pond is clearer, the oxygen content is more sufficient, the purpose of water regulation is achieved, the cultured shrimps are healthier, and the quality is improved.
Description
Technical Field
The invention relates to the field of plant breeding, in particular to a method for controlling the density of algae in a shrimp pond.
Background
Algae are a relatively primitive, ancient group of lower organisms. Algae have a simple structure, are not differentiated from roots, stems and leaves, and are mostly in the form of single-cell, colony or multi-cell fronds. The plant is a high-efficiency photosynthetic plant, grows and breeds by photoautotrophy, has extremely wide distribution, contains chlorella, Chlorophyceae, Chlorella family, unicellular algae, is usually single-grown, also has multi-cell aggregation, has a spherical or elliptical cell, is internally provided with a periphytic, cup-shaped or flaky chromoplast, is propagated aselessly, can produce 2, 4, 8 or 16 similar parent spores per cell, the mother cell is broken when the cell is mature, the spores escape, and is a new individual after growth, the cell is distributed all over the world, mostly lives in small shallow water, also has marine products, has fewer individuals under natural conditions, is propagated in large quantities by artificial culture, has high contents of protein, fat and carbohydrate in the cell, also contains various vitamins, and can be eaten and used as bait;
with the rapid development of aquaculture in China, the specific gravity of aquaculture in the aquaculture industry is continuously increased, the aquaculture density of aquaculture farmers is also continuously increased due to the continuous expansion of market demands, the aquaculture density is increased, the water quality aging and water quality deterioration period is shortened, the aquaculture density of a single pond is higher and higher, the water quality is poorer and poorer, the water quality eutrophication is more and more serious, and the algae removal material in the prior art is too toxic to meet the requirements in the actual aquaculture process.
Disclosure of Invention
In view of the above, the present invention provides a method for controlling the density of algae in a shrimp pond, which solves the above problems.
The technical scheme of the invention is realized as follows: a method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and exposing the bottom of the pond for 10-25 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering and injecting water, wherein the depth of the injected water is 0.6-0.8 m, filtering by using a 80-100 mesh filter screen, adjusting the dissolved oxygen of the water body to be 4-6 mg/L, the temperature to be 22-30 ℃ and the pH to be 5-8, planting waterweeds at the bottom of the pond, and planting the waterweeds at the density of 0.8-1 plant/m2The aquatic weeds are one of ciliate desert-grass, ficus auriculata and water-retention pennywort herb;
s3, sprinkling a compound microbial preparation: sprinkling 0.5-1.2 ml/m2The composite microbial preparation is sprayed for 1-3 times every day for 3-6 days in a pond, and the composite microbial preparation comprises the following raw materials in parts by weight: 10-20 parts of corn protein powder, 5-14 parts of soybean meal, 3-5 parts of cottonseed meal, 1-3 parts of salmonellae Spanish,0.8-1.2 parts of eudiplodia nudiflora, 2-5 parts of lactobacillus acidophilus and 2-4 parts of alcaligenes faecalis;
s4, filtering and injecting water: and (3) injecting water after the aquatic weeds take roots, wherein the water depth is 0.8-1 m, and filtering through a filter screen of 100-120 meshes.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the preparation method of the invention, the growth density of algae in the shrimp pond can be effectively controlled, the dissolved oxygen amount, the temperature and the pH value of the water body can be reasonably adjusted by adjusting the water quality condition in the pond under the condition of not influencing the growth of shrimps, the aquatic weeds are planted in the pond, the planting density is limited, carbon dioxide is absorbed by photosynthesis to release oxygen, oxygen is continuously provided for the shrimps in the pond, the effect of improving the water quality is achieved, the aquatic weeds enter the pond and continuously consume other microorganisms, the water in the pond is clear, the growth of microorganisms in the composite microbial preparation is not restricted by the existence of other microorganisms in the water, the growth of the algae in the pond is effectively controlled under the effect of the composite microbial preparation, the composite bacteria, the corn protein powder, the bean pulp and the cotton pulp can damage cell walls in the algae plant, invade and parasitize into the algae cells, and finally inhibit the growth of the algae plant, the water in the shrimp pond is clearer, the oxygen content is more sufficient, the purpose of water regulation is achieved, the cultured shrimps are healthier, and the quality is improved.
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.
The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.
Example 1
A method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and insolating the bottom of the pond for 10 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulationSection: filtering the water with water depth of 0.6m, filtering with 80 mesh filter screen, adjusting water dissolved oxygen amount to 4mg/L, temperature of 22 deg.C, pH of 5, planting water plants at pond bottom with planting density of 8 plants/m2The aquatic weeds are ciliate desert-grass;
s3, sprinkling a compound microbial preparation: sprinkling 0.5ml/m2The compound microbial preparation is sprayed in a pond for 1 time every day for 3 days, and the compound microbial preparation comprises the following raw materials in parts by weight: 10 parts of corn protein powder, 5 parts of soybean meal, 3 parts of cottonseed meal, 1-3 parts of salmonellae spanielli, 0.8 part of eudiplodia nigripes, 2 parts of lactobacillus acidophilus and 2 parts of alcaligenes faecalis;
s4, filtering and injecting water: after the aquatic weeds take roots, water is injected, the water depth is 0.8m, and the water is filtered by a 100-mesh filter screen.
Example 2
A method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and insolating the bottom of the pond for 25 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering and injecting water to a depth of 0.8m, filtering with 100 mesh filter screen, adjusting water dissolved oxygen amount to 6mg/L, temperature to 30 deg.C, pH to 8, planting water plants with planting density of 10 plants/m2The aquatic weeds are ficus auriculata;
s3, sprinkling a compound microbial preparation: sprinkling 1.2ml/m2The compound microbial preparation is sprayed for 3 times a day for 6 days in a pond, and the compound microbial preparation comprises the following raw materials in parts by weight: 20 parts of corn protein powder, 14 parts of soybean meal, 5 parts of cottonseed meal, 3 parts of salmonellosis, 1.2 parts of eudiplodia, 5 parts of lactobacillus acidophilus and 4 parts of alcaligenes faecalis;
s4, filtering and injecting water: after the aquatic weeds take roots, water is injected, the water depth is 1m, and the water is filtered by a 120-mesh filter screen.
Example 3
A method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and exposing the bottom of the pond for 20 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering the water with a depth of 0.7m, filtering with a 90-mesh filter screen, adjusting water dissolved oxygen to 5mg/L, temperature to 26 deg.C, pH to 7, planting water plants at the bottom of the pond with a planting density of 9 plants/m2The aquatic weed is water folium Nemacystus Decipiens;
s3, sprinkling a compound microbial preparation: sprinkling 0.8ml/m2The compound microbial preparation is sprayed for 4 days in a pond for 2 times every day, and the compound microbial preparation comprises the following raw materials in parts by weight: 15 parts of corn protein powder, 10 parts of soybean meal, 4 parts of cottonseed meal, 2 parts of salt bacillus Spanish, 1 part of eudiplodia nuda, 3 parts of lactobacillus acidophilus and 3 parts of alcaligenes faecalis;
s4, filtering and injecting water: after the aquatic weeds take roots, water is injected, the water depth is 0.9m, and the water is filtered by a 110-mesh filter screen.
Example 4
A method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and insolating the bottom of the pond for 10 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering the water with water depth of 0.6m, filtering with 80 mesh filter screen, adjusting water dissolved oxygen amount to 4mg/L, temperature of 22 deg.C, pH of 5, planting water plants at pond bottom with planting density of 8 plants/m2The aquatic weeds are ciliate desert-grass;
s3, sprinkling a compound microbial preparation: sprinkling 0.5ml/m2The compound microbial preparation is sprayed in a pond for 1 time every day for 3 days, and the compound microbial preparation comprises the following raw materials in parts by weight: 15 parts of corn protein powder, 10 parts of soybean meal, 4 parts of cottonseed meal, 2 parts of salt bacillus Spanish, 1 part of eudiplodia nuda, 3 parts of lactobacillus acidophilus and 3 parts of alcaligenes faecalis;
s4, filtering and injecting water: after the aquatic weeds take roots, water is injected, the water depth is 0.8m, and the water is filtered by a 100-mesh filter screen.
Example 5
A method of controlling algae density in a shrimp pond, comprising the steps of:
s1, pond sunning: pumping water out of the pond, and insolating the bottom of the pond for 25 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering and injecting water to a depth of 0.8m, filtering with 100 mesh filter screen, adjusting water dissolved oxygen amount to 6mg/L, temperature to 30 deg.C, pH to 8, planting water plants with planting density of 10 plants/m2The aquatic weeds are ficus auriculata;
s3, sprinkling a compound microbial preparation: sprinkling 1.2ml/m2The compound microbial preparation is sprayed for 3 times a day for 6 days in a pond, and the compound microbial preparation comprises the following raw materials in parts by weight: 15 parts of corn protein powder, 10 parts of soybean meal, 4 parts of cottonseed meal, 2 parts of salt bacillus Spanish, 1 part of eudiplodia nuda, 3 parts of lactobacillus acidophilus and 3 parts of alcaligenes faecalis;
s4, filtering and injecting water: after the aquatic weeds take roots, water is injected, the water depth is 1m, and the water is filtered by a 120-mesh filter screen.
Example 6
This example differs from example 3 in that the amount of the sprinkled complex microbial preparation was 0.3ml/m2The compound microbial preparation is sprinkled for 2 times every day for 2 days.
Comparative example 1
The difference between the comparative example and the example 3 is that in the water quality regulation of S2, the dissolved oxygen amount of the water body is regulated to be 3mg/L, the temperature is 20 ℃, the pH value is 6, aquatic weeds are planted at the bottom of the pond, and the planting density is 0.5 plant/m2；
Comparative example 2
The comparative example is different from example 3 in that the composite microbial preparation comprises the following raw materials in parts by weight: 8 parts of corn protein powder, 15 parts of soybean meal, 2 parts of cottonseed meal, 4 parts of salmonellosis, 0.2 part of eudiplodia, 1 part of lactobacillus acidophilus and 1 part of alcaligenes faecalis.
Comparative example 3
The comparative example is different from example 3 in that the composite microbial preparation comprises the following raw materials in parts by weight: the compound microbial preparation comprises the following raw materials in parts by weight: 15 parts of corn protein powder, 10 parts of soybean meal, 4 parts of cottonseed meal, 4 parts of salmonellosis, 1.5 parts of eudiplodia, 6 parts of lactobacillus acidophilus and 5 parts of alcaligenes faecalis.
Comparative example 4
The comparative example is different from example 3 in that the composite microbial preparation comprises the following raw materials in parts by weight: the compound microbial preparation comprises the following raw materials in parts by weight: 8 parts of corn protein powder, 4 parts of soybean meal, 2 parts of cottonseed meal, 2 parts of salt bacillus Spanish, 1 part of eudiplodia nuda, 3 parts of lactobacillus acidophilus and 3 parts of alcaligenes faecalis.
Pond algae density comparison
(1) Measuring the density of algae: standing and precipitating the water sample in a precipitation bottle, sucking the supernatant by a siphon tube, transferring the supernatant to a volumetric flask, fixing the volume to a standard line, adding 100 mu L of fully shaken suspension into a plankton counting frame by micro-sampling, and calculating the number of the algae cells in the original water sample.
(2) Turbidity and chroma measurement: the water-electricity turbidimeter measures the turbidity, and the platinum-cobalt standard colorimetric method measures the chroma.
As can be seen from the above table, in examples 1 to 5, the water quality conditions in the pond are adjusted, the composite microbial preparation is scientifically prepared, and the splashing amount is controlled, so that the density of algae is effectively controlled, in comparative examples 1 to 4, the composite microbial preparation is prepared by adjusting and controlling the proportion, the effects achieved by different proportions are different, and in example 3, the density of algae is 0.89 multiplied by 106The culture medium has the advantages that the culture medium has the culture medium volume/L, the reduction rate is 82.3%, the turbidity is 1.25NTU, the reduction rate is 74.1%, the chromaticity is 4.90 degrees, the reduction rate is 67.4%, the growth density of algae can be effectively controlled according to the proportion of the example 3, and a better culture environment is provided for the shrimp ponds.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A method for controlling the density of algae in a shrimp pond is characterized in that: the method comprises the following steps:
s1, pond sunning: pumping water out of the pond, and exposing the bottom of the pond for 10-25 hours until the bottom of the pond is dry, hard and cracked;
s2, water quality regulation: filtering and injecting water, filtering by using a 80-100 mesh filter screen, adjusting the dissolved oxygen of water to be 4-6 mg/L, the temperature to be 22-30 ℃ and the pH to be 5-8, planting aquatic weeds at the bottom of the pond, and planting the aquatic weeds at the density of 0.8-1 plant/m2；
S3, sprinkling a compound microbial preparation: sprinkling a compound microbial preparation in the pond, wherein the compound microbial preparation comprises the following raw materials in parts by weight: 10-20 parts of corn protein powder, 5-14 parts of soybean meal, 3-5 parts of cottonseed meal, 1-3 parts of salt bacillus Spanish, 0.8-1.2 parts of smut, 2-5 parts of lactobacillus acidophilus and 2-4 parts of alcaligenes faecalis;
s4, filtering and injecting water: and (4) injecting water after the aquatic weeds take roots, and filtering through a filter screen of 100-120 meshes.
2. A method of controlling the density of algae in a shrimp pond, as claimed in claim 1, wherein: in the step S2, the aquatic weeds planted are one of ciliate desert-grass, ficus auriculata and water folium agrimoniae.
3. A method of controlling the density of algae in a shrimp pond, as claimed in claim 1, wherein: in the step S3, the dosage of the compound microorganism preparation is 0.5-1.2 ml/m2。
4. A method of controlling the density of algae in a shrimp pond, as claimed in claim 1, wherein: and in the step S3, the compound microbial preparation is sprinkled for 1-3 times every day for 3-6 days.
5. A method of controlling the density of algae in a shrimp pond, as claimed in claim 1, wherein: and in the step S2, the depth of the filtered water injection is 0.6-0.8 m.
6. A method of controlling the density of algae in a shrimp pond, as claimed in claim 1, wherein: and in the step S4, the depth of the filtered water injection is 0.8-1 m.
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