CN114656300A - Novel mixed fertilizer of microbial agent and struvite and preparation method thereof - Google Patents
Novel mixed fertilizer of microbial agent and struvite and preparation method thereof Download PDFInfo
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- CN114656300A CN114656300A CN202210403009.1A CN202210403009A CN114656300A CN 114656300 A CN114656300 A CN 114656300A CN 202210403009 A CN202210403009 A CN 202210403009A CN 114656300 A CN114656300 A CN 114656300A
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- struvite
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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Abstract
The invention discloses a novel mixed fertilizer of a microbial agent and struvite, which is granular and comprises the following components: 61-73% of struvite, 20-36% of microbial agent, 2-5% of microbial nutrient and the balance of binder. The invention utilizes the microbial inoculum to improve the solubility of the struvite, so that nutrient elements in the struvite are easier to be absorbed by plants, the fertilizer efficiency of the struvite is improved, meanwhile, the particles formed by mixing the struvite and the microbial inoculum are not easy to run off along with water, and the synergistic effect generated by combining the microbial inoculum and the struvite can greatly improve the effect of the fertilizer.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a novel mixed fertilizer of a microbial agent and struvite and a preparation method thereof.
Background
Struvite, a kind of ore, also known as bird and beast feces. Accumulated bird, bat and seal feces and carcasses, struvite, which are generally present as monohydrate and hexahydrate of the molecular formulae MgNH4PO4 · H2O and MgNH4PO4 · 6H2O, respectively, are high quality fertilizers. The main production places are Peru and the islands along the bank of California, and the areas of Africa where a large amount of inhabitants , pelicans and pond gooses are gathered, but because of the poor solubility of struvite, the fertilizer efficiency is not high when directly applied, and the struvite can only be used as a slow-release fertilizer, for example, the slow-release and quick-release fertilizer composition disclosed in the Chinese patent application No. CN201480033715.5 and the preparation method thereof can only use the struvite as a slow-release phosphorus source and can not effectively utilize the struvite.
The microbial agent is a viable bacteria preparation prepared by industrially producing and propagating target microorganisms (effective bacteria) and using porous substances as adsorbents (such as grass peat and vermiculite) to adsorb fermentation liquor of the bacteria. The microbial inoculum is used for seed dressing or root dipping, has the effects of directly or indirectly improving soil, restoring soil fertility, preventing soil-borne diseases, maintaining rhizosphere microbial community balance, degrading toxic substances and the like, but when the microbial inoculum is used as a fertilizer, the microbial inoculum mainly acts as soil fertilization, cannot directly improve nutrient elements of crops, has poor fertilization effect on the crops, and is easy to run off with water when plants are watered, so that the effect of the microbial inoculum is reduced.
The microbial agent can be used for improving the solubility of the struvite, so that the microbial agent and the struvite are combined to generate a synergistic effect, and the effect of the fertilizer is further greatly improved.
Disclosure of Invention
The invention provides a novel mixed fertilizer of a microbial agent and struvite and a preparation method thereof, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel compound fertilizer of a microbial agent and struvite, which is granular and comprises the following components: 61-73% of struvite, 20-36% of microbial agent, 2-5% of microbial nutrient and the balance of binder.
As a further improvement scheme of the technical scheme: the composition consists of the following components: 61% of struvite, 30% of microbial agent, 2% of microbial nutrient and the balance of binder.
As a further improvement scheme of the technical scheme: the composition consists of the following components: 65% of struvite, 23% of microbial agent, 4% of microbial nutrient and the balance of binder.
As a further improvement scheme of the technical scheme: the composition consists of the following components: 73% of struvite, 20% of microbial agent, 5% of microbial nutrient and the balance of binder.
As a further improvement scheme of the technical scheme: wherein the size of the granules is 1mm-5 mm.
As a further improvement scheme of the technical scheme: the microbial agent is a microbial agent capable of generating organic acid, such as lactobacillus, acetic acid bacteria, Aspergillus niger and filamentous fungi.
As a further improvement scheme of the technical scheme: the binder includes ammonium dihydrogen phosphate, calcium lignosulfonate, starch and molasses.
As a further improvement scheme of the technical scheme: the microbial nutrient comprises water, carbonate, yeast extract, inorganic salt and amino acid.
A preparation method of a novel mixed fertilizer of a microbial agent and struvite is applied to any one of the novel mixed fertilizers of the microbial agent and struvite, and comprises the following steps:
firstly, grinding or crushing the struvite into powdery struvite, wherein the size of particles of the powdery struvite is less than or equal to 150 mu m;
secondly, putting the powdery struvite, the microbial nutrient and the microbial agent into an incubator according to the proportion for mixed culture, wherein the culture time is 6-8 hours, and the powdery struvite, the microbial nutrient and the microbial agent need to be continuously stirred when being cultured in the incubator;
and thirdly, mixing the powdered struvite cultured in the last step with a microorganism, and granulating by using a binder, wherein the granulation method comprises wet granulation, dry granulation or chemical granulation.
As a further improvement scheme of the technical scheme: in the second step, the culture conditions of the powdery struvite and the microbial agent in the incubator are 37 ℃.
Compared with the prior art, the invention has the beneficial effects that:
the novel compound fertilizer is obtained by culturing powdered struvite and a microbial agent and then granulating the powdered struvite and a binder into granules, the dissolubility of the struvite is improved by using the microbial agent, so that nutrient elements in the struvite are easier to be absorbed by plants, the fertilizer efficiency of the struvite is improved, meanwhile, the granules formed by mixing the struvite and the microbial agent are not easy to run off along with water, and the synergistic effect generated by combining the microbial agent and the struvite can greatly improve the effect of the fertilizer.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic step diagram of a method for preparing a novel mixed fertilizer of a microbial agent and struvite according to the present invention;
FIG. 2 is a process schematic diagram of a preparation method of a novel mixed fertilizer of a microbial agent and struvite provided by the invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Please refer to FIGS. 1-2
The first embodiment is as follows:
a novel compound fertilizer of a microbial agent and struvite is granular, wherein the size of the granules is 1-5 mm, and the novel compound fertilizer comprises the following components: 61% of struvite, 30% of a microbial agent, 2% of a microbial nutrient and the balance of a binder, wherein the binder comprises ammonium dihydrogen phosphate, calcium lignosulfonate, starch and molasses, the microbial nutrient comprises water, carbonate, yeast extract, inorganic salt and amino acid, and the microbial agent is a microbial agent capable of generating organic acid, such as lactic acid bacteria, acetic acid bacteria, aspergillus niger, filamentous fungi and the like.
The preparation method of the mixed fertilizer comprises the following steps:
firstly, grinding or crushing the struvite into powdery struvite by a crusher, wherein the size of particles of the powdery struvite is less than or equal to 150 mu m;
secondly, putting the struvite 61%, the microbial agent 30% and the microbial nutrient 2% in an incubator for mixed culture, wherein the culture time is 6-8 hours, and the powdery struvite and the microbial agent need to be continuously stirred during culture in the incubator so that the microbial agent and the powdery struvite are fully mixed, wherein the culture temperature of the powdery struvite and the microbial agent in the incubator is 37 ℃;
and thirdly, mixing the powdered struvite cultured in the last step with a microorganism, and granulating the mixture into granules by using a binder, wherein the granulation method comprises wet granulation, dry granulation or chemical granulation.
Example two:
a novel compound fertilizer of a microbial agent and struvite is granular, wherein the size of the granules is 1-5 mm, and the novel compound fertilizer comprises the following components: 65% of struvite, 23% of a microbial agent, 4% of a microbial nutrient and the balance of a binder, wherein the binder comprises ammonium dihydrogen phosphate, calcium lignosulfonate, starch and molasses, the microbial nutrient comprises water, carbonate, yeast extract, inorganic salt and amino acid, and the microbial agent is a microbial agent capable of generating organic acid, such as lactic acid bacteria, acetic acid bacteria, aspergillus niger, filamentous fungi and the like.
The preparation method of the mixed fertilizer comprises the following steps:
firstly, grinding or crushing the struvite into powder struvite by a crusher, wherein the size of particles of the powder struvite is less than or equal to 150 mu m;
secondly, placing 65% of struvite, 23% of microbial agent and 4% of microbial nutrient in an incubator for mixed culture, wherein the culture time is 6-8 hours, the powdered struvite and the microbial agent need to be continuously stirred during culture in the incubator, so that the microbial agent and the powdered struvite are fully mixed, and the culture temperature of the powdered struvite and the microbial agent in the incubator is 37 ℃;
and thirdly, mixing the powdered struvite cultured in the last step with a microorganism, and granulating the mixture into granules by using a binder, wherein the granulation method comprises wet granulation, dry granulation or chemical granulation.
Example three:
a novel compound fertilizer of a microbial agent and struvite is granular, wherein the size of the granules is 1-5 mm, and the novel compound fertilizer comprises the following components: 73 percent of struvite, 20 percent of microbial agent, 5 percent of microbial nutrient and the balance of adhesive, wherein the adhesive comprises ammonium dihydrogen phosphate, calcium lignosulfonate, starch and molasses, the microbial nutrient comprises water, carbonate, yeast extract, inorganic salt and amino acid, and the microbial agent is a microbial agent capable of generating organic acid, such as lactic acid bacteria, acetic acid bacteria, aspergillus niger, filamentous fungi and the like.
The preparation method of the mixed fertilizer comprises the following steps:
firstly, grinding or crushing the struvite into powder struvite by a crusher, wherein the size of particles of the powder struvite is less than or equal to 150 mu m;
secondly, putting the struvite in an incubator according to the proportion of 73 percent, 20 percent of microbial agent and 5 percent of microbial nutrient agent for mixed culture, wherein the culture time is 6-8 hours, and the powdery struvite and the microbial agent are cultured in the incubator and need to be continuously stirred so that the microbial agent and the powdery struvite are fully mixed, wherein the culture temperature of the powdery struvite and the microbial agent in the incubator is 37 ℃;
and thirdly, mixing the powdered struvite cultured in the last step with a microorganism, and granulating the mixture into granules by using a binder, wherein the granulation method comprises wet granulation, dry granulation or chemical granulation.
And (3) comparing the results: 200g of the mixed fertilizer granules of the first, second and third examples were used as fertilizers for leafy vegetables and tuber crops, respectively, in comparison with 200g of powdered struvite. After 20 days, compared with a single powdery guanite fertilizer, the leaf vegetable biomass, plant height and leaf length of the mixed fertilizer of the first embodiment, the second embodiment and the third embodiment are increased by 45-64%, the tuber growth rate is obviously improved, and the tuber volume is increased by 18-31%.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. A novel mixed fertilizer of a microbial agent and struvite is characterized in that the fertilizer is granular and comprises the following components: 61-73% of struvite, 20-36% of microbial agent, 2-5% of microbial nutrient and the balance of binder.
2. The novel compound fertilizer of microbial agent and struvite as claimed in claim 1, which is characterized by comprising the following components: 61 percent of struvite, 30 percent of microbial agent, 2 percent of microbial nutrient and the balance of binder.
3. The novel compound fertilizer of microbial agent and struvite as claimed in claim 1, which is characterized by comprising the following components: 65% of struvite, 23% of microbial agent, 4% of microbial nutrient and the balance of binder.
4. The novel compound fertilizer of microbial agent and struvite as claimed in claim 1, which is characterized by comprising the following components: 73% of struvite, 20% of microbial agent, 5% of microbial nutrient and the balance of binder.
5. The novel compost of a microbial inoculant and struvite, as claimed in claim 1, wherein the particles have a size of 1mm to 5 mm.
6. The novel compound fertilizer of microbial agent and struvite according to claim 1, wherein the microbial agent is a microbial agent capable of producing organic acids, such as lactic acid bacteria, acetic acid bacteria, aspergillus niger and filamentous fungi.
7. The novel mixed fertilizer of microbial agent and struvite as claimed in claim 1, wherein the binder comprises ammonium dihydrogen phosphate, calcium lignosulfonate, starch and molasses.
8. The novel compound fertilizer of microbial agent and struvite as claimed in claim 1, wherein the microbial nutrient comprises water, carbonate, yeast extract, inorganic salt and amino acid.
9. A method for preparing a novel mixed fertilizer of a microbial agent and struvite, which is applied to the novel mixed fertilizer of the microbial agent and struvite of any one of claims 1 to 8, and is characterized by comprising the following steps of:
firstly, grinding or crushing the struvite into powdery struvite, wherein the size of particles of the powdery struvite is less than or equal to 150 mu m;
secondly, putting the powdery struvite, the microbial nutrient and the microbial agent into an incubator according to the proportion for mixed culture, wherein the culture time is 6-8 hours, and the powdery struvite, the microbial nutrient and the microbial agent need to be continuously stirred when being cultured in the incubator;
and thirdly, mixing the powdered struvite cultured in the last step with a microorganism, and granulating by using a binder, wherein the granulation method comprises wet granulation, dry granulation or chemical granulation.
10. The method for preparing a novel compost of microbial inoculant and struvite as claimed in claim 9, wherein in the second step, the cultivation temperature of powdered struvite and microbial inoculant in the cultivation box is 37 ℃.
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| CN202210403009.1A CN114656300A (en) | 2022-04-18 | 2022-04-18 | Novel mixed fertilizer of microbial agent and struvite and preparation method thereof |
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| CN202210403009.1A CN114656300A (en) | 2022-04-18 | 2022-04-18 | Novel mixed fertilizer of microbial agent and struvite and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342729A (en) * | 2022-02-18 | 2022-04-15 | 湖南萌芽蔬菜产业股份有限公司 | Organic planting method for pecans |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342729A (en) * | 2022-02-18 | 2022-04-15 | 湖南萌芽蔬菜产业股份有限公司 | Organic planting method for pecans |
Non-Patent Citations (3)
| Title |
|---|
| HERNÁNDEZ JIMÉNEZ ET AL.: ""Enhancing phosphorus release from struvite with biostimulants"", 《CANADIAN JOURNAL OF SOIL SCIENCE》 * |
| JEYALAKSHMI RAMASWAMY ET AL.: ""Process optimization of struvite recovered from slaughterhouse wastewater and its fertilizing efficacy in amendment of biofertilizer"", 《ENVIRONMENTAL RESEARCH》 * |
| MARYAM LATIFIAN ET AL.: ""Struvite-based fertilizer and its physical and chemical properties"", 《ENVIRONMENTAL TECHNOLOGY》 * |
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