CN110467267A - A kind of nutrient composition and preparation method thereof for breeding water body mid-term algae culture - Google Patents
A kind of nutrient composition and preparation method thereof for breeding water body mid-term algae culture Download PDFInfo
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- CN110467267A CN110467267A CN201910788609.2A CN201910788609A CN110467267A CN 110467267 A CN110467267 A CN 110467267A CN 201910788609 A CN201910788609 A CN 201910788609A CN 110467267 A CN110467267 A CN 110467267A
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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
Abstract
The present invention provides a kind of nutrient composition for breeding water body mid-term algae culture, the nutrient composition measures the nutritional need of big feature and algae according to breeding water body mid-term feeding, the nutrient composition of suitable N:C:P ratio is provided by giving algae, on the one hand make breeding water body in the case where mid-term is largely fed, algae is mutually balanced, breaking out for cyanobacteria is avoided, guarantees that algae provides sufficient natural bait for cultivation object, boosting cultivates object fast-growth；On the other hand algae is given full play to the detergent power of water body, it is ensured that the vigor of breeding water body.In the case that nutrient composition provided by the invention is largely fed suitable for breeding water body mid-term, balance algae phase, the growth for promoting beneficial algae inhibits breaking out for harmful algae, maintains the certain amount of algae and water, promote cultivation peak period water body vigor, stablize water body, it is ensured that cultivation object fast-growth inhibits pathogen, disease is reduced, achievees the purpose that feeding water.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to a kind of nutrition for breeding water body mid-term algae culture
Promotor composition and preparation method thereof.
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, pond or other water bodys
On the one hand the growth of class influences the growth of cultivation object, on the other hand can affect to the health status of water body.Algae
Class has important adjustment effect to the environment of breeding water body, is the basis for building water body good water colour and transparency, is to adjust water
The important participant of body dissolved oxygen, nutritive salt, as primary producer, in the substance circulation and energy flow of water ecosystem
In play a big part.It can be seen that algae culture is to have supported the important means of aquatic animal in breeding water body.How to cultivate feeding
The type and content for growing Measures of Algae in Water Body is one of the key factor supported the direct embodiment of water, and be related to cultivation success or failure.
But in breeding water body mid-term, feeding amount is big, water temperature is high, and water body variation is fast, and most raisers ignore water body variation, and water body holds very much
Cyanobacteria easily is broken out, causes water body uncontrollable, disease is broken out therewith, constantly medication, and it ultimately causes the state of an illness and is difficult to control, the death rate
Height, loss are serious.Therefore, mid-term is cultivated, cultivation density is relatively high, and water temperature is high, and water body variation is fast and big, how to keep water body
Middle advantage is to raise one of the key technology of mid-term beneficial to the quantity and balance of algae phase, provides and meets cultivation mid-term algae and water training
Feeding nutrient composition is important means.
Summary of the invention
For the technical problem more than solving, the present invention provides a kind of nutrient for breeding water body mid-term algae culture
On the one hand composition is directed to the growth characteristic and nutritional need of breeding water body mid-term algae, give algae and provide battalion abundant
It supports, promotes the photosynthesis of algae, the normal growth of algae health is kept away on the other hand by the stable water body of algae
Exempt from breaking out for harmful algae, is conducive to the fast-growth for cultivating object.
The object of the present invention is to provide a kind of nutrient compositions for breeding water body mid-term algae culture.
It is a further object of the present invention to provide a kind of above-mentioned nutrient compositions for breeding water body mid-term algae culture
Preparation method
Provided by the present invention for the nutrient composition of breeding water body mid-term algae culture, including following weight percent
Raw material:
Ferment organic fertilizer 8~24%；
Humic acid 50~65%；
Ammonium chloride 5~15%；
Monoammonium phosphate 7~16%；
Glucose 7~20%.
In the breeding process, certain period is presented in algae, and in different cultivation periods, the nutriment in water body occurs
Variation, the nutritional need of algae can also change, and study discovery in the mid-term of cultivation, as the 5-9 month, cultivation by inventor
The organic matters such as residual bait, excrement, urine are more in water body, and with continuing to increase for feeding amount, the algae nutrient in water body will appear not
Balance, serious to cause Blue-green Algae Fast Growth, water quality deterioration causes cultivation to fail.When water body launches N:C:P in 85~96:6~10:
After nutrient composition within the scope of 0.5~1, the content of nutrient in water body can be balanced, guarantees the stabilization of beneficial algae
Growth inhibits breaking out for harmful algae such as cyanobacteria.The present invention is mentioned for the growth characteristic and nutritional need of cultivation mid-term algae and water
N:C:P ratio is appropriate in the nutrient composition of confession, and algae can quickly supplement the nutritional ingredient of missing, guarantees the steady of water body
Fixed, the stabilization of algae also can provide sufficient food for cultivation object, promote the fast-growth of cultivation object.The present invention provides
Nutrient composition be suitable for algae nutrient reduce and unbalanced situation under, supplement algae needed for nutriment, promote
Photosynthesis is carried out into algae, fast quick-recovery algae amount stablizes water body, avoids water body because of each parameter change dramatically and harmful algae
It breaks out, is conducive to the fast-growth for cultivating object.
Preferably, the nutrient composition for breeding water body mid-term algae culture, including following weight percent
The raw material of ratio:
Ferment organic fertilizer 10~20%；
Humic acid 50~60%；
Ammonium chloride 10~15%；
Monoammonium phosphate 10~15%；
Glucose 10~15%.
Preferably, the nutrient composition for breeding water body mid-term algae culture, including following weight percent
The raw material of ratio:
Ferment organic fertilizer 15%；
Humic acid 55%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 10%.
Provided by the present invention for the nutrient composition of breeding water body mid-term algae culture, according to algae mid-term nutrition need
The amount of asking is big, needs to provide the demand of sufficient nutrition to cultivation body, in order to guarantee that the steady growth of algae keeps the stabilization of water body,
Guarantee the nutrition and aquatic products oxygen content of cultivation body abundance, the present invention includes the raw material of above-mentioned weight percent, by guaranteeing nutrition
N:C:P in promotor composition is than in appropriate range, to guarantee that algae can obtain sufficient nutrients in cultivation mid-term
Matter.
Preferably, the water content of the fermentation organic fertilizer is lower than 30%.
Preferably, it is described fermentation organic fertilizer in organic matter content 45% or more.
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 mid-term
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 guarantee that algae fully absorbs nutriment, guarantee the stabilization of water body in cultivation mid-term.
Preferably, the weight ratio of C:N:P is 85~96:6~10:0.5~1 in the nutrient composition.
Preferably, the humic acid is humic acid.
Humic acid provided by the invention has stronger activity, and humic acid molecular weight is moderate, containing more acid functional groups,
Ability with buffering soda acid variation, adjusts the pH value of water body.
The present invention provides a kind of preparation method of above-mentioned nutrient composition for breeding water body mid-term algae culture, packet
Include 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, obtain
To mixture；
(2) ammonium chloride, monoammonium phosphate and glucose are added in the mixture that step (1) obtains, stir evenly, obtains
The nutrient composition for breeding water body mid-term algae culture.
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.
The preparation method of nutrient composition provided by the invention, it is easy to operate, it is convenient for industrialization production.
It can be applied to aquaculture provided by the present invention for the nutrient composition of breeding water body mid-term algae culture
On.It can be applied to aquaculture provided by the present invention for the nutrient composition of breeding water body mid-term algae culture, training
While educating algae, harm can't be brought to water body, while advantageously reducing the toxin in water, clean water body, be conducive to support
Grow the quick healthy growth of object.
The invention has the benefit that
Provided by the present invention for the nutrient composition of breeding water body mid-term algae culture, according to breeding water body mid-term
The nutritional need of feature and algae provides the nutrient composition of suitable N:C:P ratio by giving algae, on the one hand makes
Breeding water body is obtained in the case where mid-term is largely fed, algae is mutually balanced, and avoids breaking out for cyanobacteria, guarantees that algae is cultivation pair
As providing sufficient natural bait, boosting cultivates object fast-growth；On the other hand algae is given full play to the purification energy of water body
Power, it is ensured that the vigor of breeding water body.
In the case that nutrient composition provided by the invention is largely fed suitable for breeding water body mid-term, algae phase is balanced,
The growth for promoting beneficial algae inhibits breaking out for harmful algae, maintains the certain amount of algae and water, promotes cultivation peak period water
Vitality of subject stablizes water body, it is ensured that cultivation object fast-growth inhibits pathogen, reduces disease, achieve the purpose that feeding water.
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 mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 8%；
Humic acid 65%；
Ammonium chloride 13%；
Monoammonium phosphate 7%；
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 mid-term algae culture is obtained.
Embodiment 2
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 24%；
Humic acid 50%；
Ammonium chloride 5%；
Monoammonium phosphate 10%；
Glucose 11%；
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.
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 mid-term algae culture is obtained.
Embodiment 3
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 9%；
Humic acid 50%；
Ammonium chloride 15%；
Monoammonium phosphate 16%；
Glucose 10%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 7, 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 mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 10%；
Humic acid 50%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 20%；
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.
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 mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 10%；
Humic acid 60%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 10%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 7.5, 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 6
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 20%；
Humic acid 50%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 10%
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 7
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 10%；
Humic acid 50%；
Ammonium chloride 15%；
Monoammonium phosphate 15%；
Glucose 10%；
The water content of the fermentation organic fertilizer is 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.
Embodiment 8
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 10%；
Humic acid 50%；
Ammonium chloride 10%；
Monoammonium phosphate 15%；
Glucose 15%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 7.5, 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 9
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 15%；
Humic acid 55%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 10%；
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.
Comparative example 1
A kind of nutrient composition for breeding water body mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 5%；
Humic acid 30%；
Ammonium chloride 20%；
Monoammonium phosphate 20%；
Glucose 25%；
The water content of the fermentation organic fertilizer is lower than 30%, pH 3, 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 mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 60%；
Humic acid 25%；
Ammonium chloride 5%；
Monoammonium phosphate 5%；
Glucose 5%；
The water content of the fermentation organic fertilizer is lower than 30%, and the content of organic matter is 45% hereinafter, pH in the organic fertilizer that ferments
It is 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 mid-term algae culture, the raw material including following weight percent:
Ferment organic fertilizer 5%；
Humic acid 40%；
Ammonium chloride 30%；
Monoammonium phosphate 5%；
Glucose 20%；
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.
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 2,6,9 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 on July 26th, 1.2018 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, after test group launches nutrient composition, the balance of water body algae phase, water can be maintained
Matter is stablized, and every monitoring parameters variation is little；Increasing of the control group due to feeding amount, the accumulation of cultivation object excreta etc., water
Nutrient supply is uneven in body, influences the growth of algae, the decline of algae amount occurs, and comparative example 3 even will appear Blue-green Algae Fast Growth
Prelude, beneficial algae largely lack, and Chlorophyll-a Content declines to a great extent, and pH value also fluctuates greatly.
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 test group launches nutrient composition, the balance of water body algae phase, water can be maintained
Matter is stablized, and algal kind is substantially based on green alga, Diatomeae；And control group is from algal kind, beneficial to algae green alga, diatom
Quantity decline, cyanobacteria quantity increase, especially comparative example 3, there is the possibility for breaking out cyanobacteria.
It can be seen that the nutrient provided by the present invention for breeding water body mid-term algae culture from the result of Tables 1 and 2
Composition can be according to the characteristics of breeding water body mid-term and the nutritional need of algae, so that breeding water body is in the feelings largely fed
Under condition, is increased beneficial to algae, there is seaweed to be inhibited, guarantee that algae is balanced each other, it is ensured that the vigor of breeding water body, thus for cultivation
Object provides the growing environment of sufficient bait and health, guarantees the fast-growth of cultivation object.
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 mid-term algae culture, which is characterized in that including following weight percent
The raw material of ratio:
Ferment organic fertilizer 8~24%；
Humic acid 50~65%；
Ammonium chloride 5~15%；
Monoammonium phosphate 7~16%；
Glucose 7~20%.
2. the nutrient composition according to claim 1 for breeding water body mid-term algae culture, which is characterized in that packet
Include the raw material of following weight percent:
Ferment organic fertilizer 10~20%；
Humic acid 50~60%；
Ammonium chloride 10~15%；
Monoammonium phosphate 10~15%；
Glucose 10~15%.
3. the nutrient composition according to claim 1 for breeding water body mid-term algae culture, which is characterized in that packet
Include the raw material of following weight percent:
Ferment organic fertilizer 15%；
Humic acid 55%；
Ammonium chloride 10%；
Monoammonium phosphate 10%；
Glucose 10%.
4. any nutrient composition for breeding water body mid-term algae culture according to claim 1~3, feature
It is, the water content of the fermentation organic fertilizer is lower than 30%.
5. any nutrient composition for breeding water body mid-term algae culture according to claim 1~3, feature
It is, the pH of the fermentation organic fertilizer is 5.5~8.5.
6. any nutrient composition for breeding water body mid-term algae culture according to claim 1~3, feature
It is, the weight ratio of C:N:P is 85~96:6~10:0.5~1 in the nutrient composition.
7. the preparation method of any nutrient composition for breeding water body mid-term algae culture of claim 1~6,
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 mid-term algae culture.
8. the preparation method of the nutrient composition according to claim 7 for breeding water body mid-term algae culture,
It is characterized in that, in step (1), takes the complete fermentation organic fertilizer of fermentation, crush, cross 80~100 meshes.
9. the preparation method of the nutrient composition according to claim 7 for breeding water body mid-term 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.
10. the preparation method of the nutrient composition according to claim 7 for breeding water body mid-term 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.
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| CN114436392A (en) * | 2021-12-29 | 2022-05-06 | 河南中汇环保科技有限公司 | Water body ecological restoration method guided by directionally removing algae in water body |
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