CN110467268A - Nutrient composition, preparation method and application for breeding water body early stage algae culture - Google Patents
Nutrient composition, preparation method and application for breeding water body early stage algae culture Download PDFInfo
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- CN110467268A CN110467268A CN201910788621.3A CN201910788621A CN110467268A CN 110467268 A CN110467268 A CN 110467268A CN 201910788621 A CN201910788621 A CN 201910788621A CN 110467268 A CN110467268 A CN 110467268A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- 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
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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Abstract
The present invention provides a kind of nutrient composition for breeding water body early stage algae culture, the nutrient composition is according to the nutritional need of the algae of breeding water body early stage, give algae and N:C:P ratio appropriate is provided, algae is enabled to rapidly adapt to the environment of water body early stage breeding water body, the time for shortening lag phase, so that algae is rapidly introduced into Exponential growth stage.Provided by the present invention for the nutrient composition of breeding water body early stage algae culture, the characteristics of according to breeding water body early stage, nutrition needed for algal grown is provided, promote the photosynthesis of algae, correct the balance in water body between N, C, P, conducive to the quick division and growth of beneficial algae, as dominant population, the thin state of new digging pond waters can be improved, achieve the purpose that low temperature algae and water fast culture and rich water, stablize water body, avoid each parameter change dramatically of water quality and inhibits the breeding of harmful algae；Conducive to the growth of cultivation object, achieve the purpose that inhibit disease and volume increase.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of nutrition for breeding water body early stage algae culture
Promotor composition, preparation method and application.
Background technique
Algae is a kind of more original, ancient unicellular lower eukaryote.The simple structure of algae, without the differentiation of root, stem, leaf,
The thallus of mostly unicellular, group or many cells.Main aquatic, no vascular bundle, contains chlorophyll, lutein and Hu Luo in vivo
The substances such as Bu Su can pass through photosynthesis absorbing carbon dioxide and salt.The huge number of algae, be generally divided into Cyanophyta,
Chlorophyta, Chrysophyta, Pyrrhophyta, Phaeophyta, Rhodophyta, Bacillariophyta etc..Algae mainly grows in water, enriches and flows in nutriment
It moves in slow water, when sunny, water temperature is higher, algae is easily bred, to will cause algal bloom, water quality is disliked
The wawter bloom phenomenon of change.The content of algae also can be to the aesthetic index of water body, such as water colour, transparency, the sense of taste, due to algae
Respiration and photosynthesis influence certain chemical balances in the surface water.The excessive multiplication of algae can cause centainly to water body
Burden, but algae also can purifying water body, algae have absorb sewage in heavy metal ability, utilize algae repair a huge sum of money
The water body for belonging to pollution has been that numerous research has shown that there is efficient, low consumption, environmental protection.
There is the phenomenon that cultivation object and algae commensalism, algae usually in aquaculture industry, pool or other water bodys
On the one hand the growth of class influences the growth of cultivation object, it is the natural bait of aquatic animal；On the other hand the purification to water body
Important adjustment effect is played with water stabilization, is the basis for building water body good water colour and transparency, is to adjust water body dissolution
The important participant of oxygen, nutritive salt, as primary producer, the lifting in the substance circulation and energy flow of water ecosystem
Big effect.It can be seen that algae culture is to have supported the important means of aquatic animal in breeding water body.How breeding water body is cultivated
The type and content of middle algae is one of the key factor supported the direct embodiment of water, and be related to cultivation success or failure.But it cultivates
The culture of Measures of Algae in Water Body is not again a touching and kicks that especially cultivation early stage, algae is not easy to cultivate, and the original for causing cultivation to fail
One of because, the prior art only focuses on individual nutrition parameters, lacks the theory of algae nutrient balance, is more not concerned with breeding water body difference
Period, the imbalance of nutritional ingredient needed for Measures of Algae in Water Body is grown.Therefore, the algae difficulty culture that consequence has, some mistakes
Fertilizer is trained a large amount of cyanobacterias, is unfavorable for the stabilization of breeding water body and the growth of cultivation object, the original for often causing cultivation to fail
One of because.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of nutrient group for breeding water body early stage algae culture
Object is closed, for the present invention by research algae in different times, the influence to water body is different, and required nutritional ingredient is different, provides
Nutrient can give algae proper nutrition in breeding water body early stage, promote its fast-growth, thus stabilizing water quality, promote water body
Cultivate object growth.
The object of the present invention is to provide a kind of nutrient compositions for breeding water body early stage algae culture.
It is a further object of the present invention to provide a kind of above-mentioned nutrient compositions for breeding water body early stage algae culture
Preparation method.
Another object of the present invention is to provide a kind of above-mentioned nutrient composition for breeding water body early stage algae culture
Application.
Purpose according to the present invention, provided by the present invention for the nutrient composition of breeding water body early stage algae culture,
Raw material including following weight percent:
Ferment organic fertilizer 33~45%；
Humic acid 20~28%；
Ammonium chloride 13~18%；
Monoammonium phosphate 6~19%；
Glucose 6~20%.
During the cultivation process, the balance between nutrient is the key restriction factors of its growth and breeding to algae, and control
One important means of Blue-green Algae Fast Growth.
By inventor's many years practice observation and theoretical research the result shows that, the ratio of carbon, nitrogen, phosphorus, potassium in water body
Influence the growth of algae.Nitrogen is the element of algae synthetic proteins matter and chlorophyll；Phosphorus is Ribonucleic RNA and DNA
The component of the cofactors of the important element and enzymatic reaction of DNA and Adenosine triphosphate ATP is intracellular photosynthetic phosphorus
The key factor of the energy conversion such as acidification and oxidative phosphorylation, phosphorus are the primary restriction factors of algal grown breeding；Carbon is to constitute
The infrastructure elements of organic matter, metabolism are the energy source of biology again, and it is its light that algae will obtain the supplement of carbon source from environment
The important source material substance source of cooperation.Breeding water body early stage of the present invention refers to the 1-4 month, early stage breeding water body,
General nitrogenous fertilizer foot, shortage is carbon fertilizer, influences its growth and breeding, and especially cultivation early stage water temperature is low, in addition nutritional imbalance, algae
More difficult growth.After water body launches the nutrient composition of N:C:P nutritional ingredient balance, algae can put aside in lag phase
Nutriment is laid a good foundation for Exponential growth stage.Provided by the present invention for cultivating the nutrient combination of early stage algae
Object can improve the thin state of new digging pond waters, and low temperature algae and water fast culture achievees the purpose that rich water.
Provided by the present invention for the nutrient composition of breeding water body early stage algae culture, according to breeding water body early stage
Feature, nutrition needed for providing algal grown promote the photosynthesis of algae, correct the balance in water body between N, C, P, are conducive to
The quick division and growth of beneficial algae, balance algae phase, stablize water body, avoid each parameter change dramatically of water quality and inhibit harmful algae
Breeding；Conducive to the growth of cultivation object, achieve the purpose that inhibit disease and volume increase.Provided by the present invention for breeding water body morning
The nutrient composition of phase algae culture be suitable for low temperature, water body it is thin in the case where, in this case, algae is not easy to train
It supports, by using nutrient composition provided by the invention, algae can be cultivated rapidly in breeding water body early stage, algae can all exist
It cultivates rapidly within 3 days or so, the measured value of chlorophyll a can reach 40-48 μ g/L or so, sunny day from 5 μ g/L or so
Under gas, effect is more preferable.
Preferably, the nutrient composition for breeding water body early stage algae culture, including following weight percent
The raw material of ratio:
Ferment organic fertilizer 40%；
Humic acid 25%；
Ammonium chloride 15%；
Monoammonium phosphate 10%；
Glucose 10%.
Preferably, the water content of the fermentation organic fertilizer is lower than 30%.
Preferably, the pH of the fermentation organic fertilizer is 5.5~8.5.
The pH value of nutrient composition will affect the pH of water body, and pH can cause charge on alga cells film to occur in water body
Variation, to influence absorption of the algae to nutriment, influences the activity of enzyme in metabolic process, for the algae to cultivation early stage
Suitable living environment is provided, the present inventor has found after study, when the organic fertilizer that ferments in nutrient composition pH 5.5~
8.5, algae can quickly adapt to the environment of water body, shorten the time of lag phase in cultivation early stage, be rapidly introduced into index increasing
For a long time.
Preferably, the weight ratio of C:N:P is 90~100:10~16:1~2 in the nutrient composition.
It is special according to different water bodys provided by the present invention for the nutrient composition of breeding water body early stage algae culture
Point, for the nutriment constituent content of water body itself, the nutrient composition that provides guarantee the ratio of N:C:P 90~100:10~
In the range of 16:1~2, to guarantee the nutrition of algae early stage, nutrition is avoided to waste, while avoiding subalimentation.
Organic fertilizer is fermented obtains for fermentation, wherein contain a large amount of benefit materials, including organic acid, peptides and including
Nutrient abundant including nitrogen, phosphorus, potassium can provide nutrition abundant for the growth of algae.Fermentation provided by the invention
The content of organic matter is high in organic matter, and moisture content is moderate, and nutrition can not only be provided for algae, also has certain viscosity, leads to
It crosses compound with other raw materials, obtains the moderate graininess nutrient composition of granular size, be conducive to the progress of algae fertilising.
Provided by the present invention for the preparation method of the nutrient composition of breeding water body early stage algae culture, including it is following
Step: taking fermentation organic fertilizer, sieving；Humic acid is taken, is sieved；By garbled fermentation organic fertilizer, humic acid, ammonium chloride, phosphoric acid
Monoammonium and glucose are uniformly mixed, and obtain the nutrient composition.
Preferably, in step (1), the complete fermentation organic fertilizer of fermentation is taken, crushes, crosses 80~100 meshes.
Preferably, in step (1), the speed of the stirring is 30~40r/min, and the mixing time is 10~20min.
Preferably, in step (2), the speed of the stirring is 20~30r/min, and the mixing time is 20~30min.
It can be applied to aquaculture provided by the present invention for the nutrient composition of breeding water body early stage algae culture
On, aquatic products can be fish, shrimp, shellfish etc..Algae includes cyanobacteria, green alga, diatom etc..
Aquaculture is increased productivity using the method for applying liquid manure for a long time, but traditional liquid manure can make water body
It may cause, the excess of water body element leads to the fast of algae while improving the nutrient of water body at certain influence
Speed breeding and quick apoptosis, are unfavorable for the stabilization of water body, are unfavorable for providing stable living environment for cultivation object.This hair
The nutrient composition for breeding water body early stage algae culture of bright offer can be applied to aquaculture, cultivate algae
Meanwhile harm can't be brought to water body, while advantageously reducing the toxin in water, clean water body.
The invention has the benefit that
Provided by the present invention for breeding water body early stage algae culture nutrient composition according to breeding water body early stage
The nutritional need of feature and algae gives algae and provides N:C:P ratio appropriate, enables algae quick early stage cultivation
The environment for adapting to water body, shortens the time of lag phase, so that algae is rapidly introduced into Exponential growth stage.Provided by the present invention for
The nutrient composition of breeding water body early stage algae culture can improve the thin state of new digging pond waters, enable to water body
The fast quick-recovery of water quality after disinfection, achievees the purpose that rich water.Provided by the present invention for the battalion of breeding water body early stage algae culture
Promotor composition is supported, according to the nutritional need of aquifer cultivation early stage algae, nutrition needed for providing algal grown promotes the light of algae
Cooperation is used, and the balance in water body between N, C, P is corrected, and conducive to the quick division and growth of beneficial algae, is balanced algae amount, is stablized water
Body avoids each parameter change dramatically of water quality and inhibits the breeding of harmful algae；Conducive to cultivation object growth, reach inhibit disease and
The purpose of volume increase.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 33%；
Humic acid 28%；
Ammonium chloride 13%；
Monoammonium phosphate 19%；
Glucose 7%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 5.5, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
The preparation method of above-mentioned nutrient composition, comprising the following steps:
(1) the complete fermentation organic fertilizer of fermentation is taken, is crushed, 80 sieves is crossed, humic acid is then added, is stirred to uniform,
The speed of the stirring is 30r/min, and the mixing time is 20min, obtains mixture；
(2) ammonium chloride, monoammonium phosphate and glucose are added in the mixture that step (1) obtains, with stirring for 20r/min
Speed stirring 30min is mixed, the nutrient composition for being used for breeding water body early stage algae culture is obtained.
Embodiment 2
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 45%；
Humic acid 20%；
Ammonium chloride 18%；
Monoammonium phosphate 6%；
Glucose 11%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 8.5, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
The preparation method of above-mentioned nutrient composition, comprising the following steps:
(1) the complete fermentation organic fertilizer of fermentation is taken, is crushed, 100 sieves is crossed, humic acid is then added, is stirred to uniform,
The speed of the stirring is 40r/min, and the mixing time is 10min, obtains mixture；
(2) ammonium chloride, monoammonium phosphate and glucose are added in the mixture that step (1) obtains, with stirring for 30r/min
Speed stirring 20min is mixed, the nutrient composition for being used for breeding water body early stage algae culture is obtained.
Embodiment 3
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 35%；
Humic acid 25%；
Ammonium chloride 15%；
Monoammonium phosphate 19%；
Glucose 6%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 5.5, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Embodiment 4
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 35%；
Humic acid 20%；
Ammonium chloride 15%；
Monoammonium phosphate 10%；
Glucose 20%；
Glucose 6%；The water content of the fermentation organic fertilizer is lower than 30%, pH 6, the total arsenic≤15mg/kg of heavy metal, total
Cadmium≤3mg/kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Embodiment 5
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 35%；
Humic acid 25%；
Ammonium chloride 15%；
Monoammonium phosphate 15%；
Glucose 10%；Glucose 6%；The water content of the fermentation organic fertilizer is lower than 30%, pH 7, the total arsenic of heavy metal
≤ 15mg/kg, total cadmium≤3mg/kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Embodiment 6
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 35%；
Humic acid 27%；
Ammonium chloride 18%；
Monoammonium phosphate 10%；
Glucose 10%；Glucose 6%；The water content of the fermentation organic fertilizer is lower than 30%, pH 7.5, and heavy metal is total
Arsenic≤15mg/kg, total cadmium≤3mg/kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Embodiment 7
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 35%；
Humic acid 28%；
Ammonium chloride 17%；
Monoammonium phosphate 10%；
Glucose 10%；Glucose 6%；The water content of the fermentation organic fertilizer is lower than 30%, pH 8, the total arsenic of heavy metal
≤ 15mg/kg, total cadmium≤3mg/kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Embodiment 8
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 40%；
Humic acid 25%；
Ammonium chloride 15%；
Monoammonium phosphate 10%；
Glucose 10%.
Glucose 6%；It is described fermentation organic fertilizer water content be lower than 30%, pH 6.5, the total arsenic≤15mg/kg of heavy metal,
Total cadmium≤3mg/kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Comparative example 1
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 20%；
Humic acid 10%；
Ammonium chloride 40%；
Monoammonium phosphate 20%；
Glucose 10%；
Glucose 6%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 4.5, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Comparative example 2
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 50%；
Humic acid 30%；
Ammonium chloride 5%；
Monoammonium phosphate 5%；
Glucose 10%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 9, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Comparative example 3
A kind of nutrient composition for breeding water body early stage algae culture, the raw material including following weight percent:
Ferment organic fertilizer 20%；
Humic acid 10%；
Ammonium chloride 20%；
Monoammonium phosphate 20%；
Glucose 30%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 4, the total arsenic≤15mg/kg of heavy metal, total cadmium≤3mg/
Kg, total mercury≤2mg/kg；Humic acid is humic acid.
That the preparation method is the same as that of Example 1 is identical for above-mentioned nutrient composition.
Test example
Test site: fishing ground is supported by Nanchang County, selects 6 mouthfuls of pools, every mouthful of 20 mu of pool surface product.
Test method: the nutrient that embodiment 2,6,8 and comparative example 1-3 obtain is used for above-mentioned fishing ground, every mouthful of pool is thrown
Put same amount of nutrient composition.
Start within 16 days 2 months 1.2018 years to launch nutrient composition, starts to adopt after three days transparent before and after water detection is launched
Degree, pH value, the content of dissolved oxygen and chlorophyll a, the results are shown in Table 1.
Table 1 is to launch front and back water body testing result
* pH value is measured as morning 9:00, afternoon 4:00 or so；Morning and afternoon pH value changes, and illustrates that algae and water is grown
It is vigorous, it is running water, the variation of morning and afternoon pH value is small, illustrates that algae and water growth and breeding is inactive, water body activity is not high.
From the results shown in Table 1, nutrient composition provided by the invention is applied to breeding water body in early days, in water body
PH is moderate, is suitable for algal grown, and the dissolved oxygen amount in water body is significantly improved, and the content of chlorophyll a is significantly improved, this
The growth of algae can be promoted by illustrating nutrient composition provided by the invention in a short time, and algal grown is vigorous, and chlorophyll contains
Amount is higher, and pH value changes greatly, and water body is relatively living, improves the growth conditions of breeding water body early stage algae.
2. statistics launches the growing state of preceding the latter moon algae, statistical result is shown in Table 2.
2 nutrient composition of table launches front and back algal grown situation
* "+" indicates few；" ++ " indicates more；" +++ " indicates more.
From the results shown in Table 2: after embodiment 2, embodiment 6, embodiment 8 implement use, algae can be at 1 month
It inside dramatically increases, algal grown is vigorous, and algal kind is converted to advantageous advantage algae, and cyanobacteria amount is smaller；And then phase in comparative example
Instead.
It can be seen that from the result of Tables 1 and 2 in breeding water body early stage, give water body extra-nutrition promotor composition, need needle
The characteristics of to breeding water body early stage, guarantee nutrient composition in C:N:P weight ratio be 90~100:10~16:1~2 this
In range, promotion algal grown can be reached, improve the purpose of the thin state of water body.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of nutrient composition for breeding water body early stage algae culture, which is characterized in that including following weight percent
The raw material of ratio:
Ferment organic fertilizer 33~45%；
Humic acid 20~28%；
Ammonium chloride 13~18%；
Monoammonium phosphate 6~19%；
Glucose 6~20%.
2. the nutrient composition according to claim 1 for breeding water body early stage algae culture, which is characterized in that packet
Include the raw material of following weight percent:
Ferment organic fertilizer 40%；
Humic acid 25%；
Ammonium chloride 15%；
Monoammonium phosphate 10%；
Glucose 10%.
3. the nutrient composition according to claim 1 or 2 for breeding water body early stage algae culture, feature exist
In the water content of the fermentation organic fertilizer is lower than 30%.
4. the nutrient composition according to claim 2 for breeding water body early stage algae culture, which is characterized in that institute
The pH for stating fermentation organic fertilizer is 5.5~8.5.
5. the nutrient composition according to claim 2 for breeding water body early stage algae culture, which is characterized in that institute
The weight ratio for stating C:N:P in nutrient composition is 90~100:10~16:1~2.
6. the preparation method of any nutrient composition for breeding water body early stage algae culture of Claims 1 to 5,
Characterized by comprising the following steps:
(1) the complete fermentation organic fertilizer of fermentation is taken, is crushed, then humic acid is added in sieving, be stirred to uniform, mixed
Close object；
(2) ammonium chloride, monoammonium phosphate and glucose are added in the mixture that step (1) obtains, are stirred evenly, obtained described
Nutrient composition for breeding water body early stage algae culture.
7. the preparation method of the nutrient composition according to claim 6 for breeding water body early stage algae culture,
It is characterized in that, in step (1), takes the complete fermentation organic fertilizer of fermentation, crush, cross 80~100 meshes.
8. the preparation method of the nutrient composition according to claim 6 for breeding water body early stage algae culture,
It is characterized in that, in step (1), the speed of the stirring is 30~40r/min, and the mixing time is 10~20min.
9. the preparation method of the nutrient composition according to claim 6 for breeding water body early stage algae culture,
It is characterized in that, in step (2), the speed of the stirring is 20~30r/min, and the mixing time is 20~30min.
10. the nutrient composition of any of claims 1 or 2 for breeding water body early stage algae culture is in aquaculture
Using.
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| CN102666835A (en) * | 2009-10-20 | 2012-09-12 | 弗朗霍夫应用科学研究促进协会 | Algaculture method |
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2019
- 2019-08-26 CN CN201910788621.3A patent/CN110467268A/en active Pending
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