CN110627570A - Inositol-rich biological fertilizer and preparation method thereof - Google Patents
Inositol-rich biological fertilizer and preparation method thereof Download PDFInfo
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- CN110627570A CN110627570A CN201911020107.1A CN201911020107A CN110627570A CN 110627570 A CN110627570 A CN 110627570A CN 201911020107 A CN201911020107 A CN 201911020107A CN 110627570 A CN110627570 A CN 110627570A
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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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Abstract
The invention discloses a biological fertilizer rich in inositol and a preparation method thereof, wherein the fertilizer comprises the following components in parts by weight: 30-40 parts of straw fermentation product, 10-20 parts of chicken manure, 20-30 parts of fishpond sediment, 30-40 parts of inositol-containing substance, 10-15 parts of potassium nitrate, 5-10 parts of traditional Chinese medicine residue, 5-10 parts of eggplant peel, 3-5 parts of quicklime powder, 3-8 parts of trace element composition and 2.5-3 parts of bacillus subtilis microbial agent. The inositol-containing substance is applied to the preparation of the fertilizer, so that the waste of inositol extraction residues and the trouble of processing the inositol extraction residues are avoided, and the high-efficiency biological fertilizer which is rich in nutrition and beneficial to the absorption of crops is provided for the crops.
Description
Technical Field
The invention relates to the technical field of biological fertilizers, in particular to a biological fertilizer rich in inositol and a preparation method thereof.
Background
The biological fertilizer contains both nutrients and microbes, and may be used to replace chemical fertilizer to provide various nutrients for crops. The application of a great amount of chemical fertilizers and pesticides has the advantages and disadvantages for human beings, and scientists propose 'ecological agriculture' for the interest and the disadvantages, so that the purposes of using less or no chemical fertilizers and chemical insecticides in farmlands, using organic biological fertilizers and adopting a microbial method to prevent and control plant diseases and insect pests are gradually realized.
Inositol, also known as inositol, is one of the water-soluble B-group of vitamins. White crystalline powder, odorless, sweet, density 1.752g/ml, melting point 225-. Inositol is an essential substance for growth of human beings, animals and microorganisms, is widely applied to industries such as medicines, foods, feeds and the like, but is not applied to the field of fertilizers at present.
The prior extraction method of inositol mainly adopts a biological enzyme starch conversion method, the method needs to filter the extracted raw materials for a plurality of times, the filtered solution is subjected to subsequent production, the trapped solution mainly comprises inactivated thalli and fragments, adsorbed inositol, protein, sugar and the like, the dry matter content is 10-12%, the inositol content is about 10-20g/L, the protein content is 70-90g/L, the sugar content is 10-15g/L, and the protein content in the dry matter accounts for 70-80%; the method is mainly characterized by microbial protein, is easy to passively utilize plants and microorganisms and is high-efficiency nitrogen source nutrition, but trapped fluid contains a large amount of total nitrogen and ammonia nitrogen and can be discharged after being treated by a sewage system, however, high ammonia nitrogen wastewater is a difficult point of industrial treatment and needs a professional air stripping absorption device, the environmental protection treatment difficulty is high, the secondary pollution risk is high, and the environmental protection risk is high, so that the treatment cost is increased and the waste of raw materials is caused for the trapped fluid, therefore, the trapped fluid is considered by combining the components of the trapped fluid, if the trapped fluid can be applied to the preparation of the plant fertilizer, the problem of the trapped fluid treatment is solved, the fertilizer containing various nutrient components is provided for crops, and the method has profound significance, but the report that the trapped fluid after the extraction of inositol is applied to the preparation of the fertilizer is not available at present.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
Still another object of the present invention is to provide a biological fertilizer rich in inositol, which is prepared by applying the inositol-containing material to the fertilizer, thereby avoiding the waste of inositol extraction residues and the trouble of treatment of the inositol extraction residues, and providing a high-efficiency biological fertilizer which is rich in nutrition and is easy to be absorbed by crops.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
an inositol-rich biological fertilizer comprises the following components in parts by weight:
30-40 parts of straw fermentation product, 10-20 parts of chicken manure, 20-30 parts of fishpond sediment, 30-40 parts of inositol-containing substance, 10-15 parts of potassium nitrate, 5-10 parts of traditional Chinese medicine residue, 5-10 parts of eggplant peel, 3-5 parts of quicklime powder, 3-8 parts of trace element composition and 2.5-3 parts of bacillus subtilis microbial agent.
Preferably, in the biological fertilizer rich in inositol, the straw fermentation product is prepared by composting corn stalks, peanut seedlings, peanut shells, soybean seedlings, sweet potato seedlings and bagasse.
Preferably, in the biological fertilizer rich in inositol, the inositol content is the residual product after extracting inositol from hydrolyzed starch or dextrin.
Preferably, in the biological fertilizer rich in inositol, the method for extracting the inositol from the hydrolyzed starch or dextrin comprises the following steps: performing enzymolysis on hydrolyzed starch or dextrin by using a biological enzyme mixed solution, converting glucose molecules in the starch or dextrin into inositol molecules, and performing membrane filtration, ion exchange resin treatment, active carbon filtration, ultrafiltration membrane filtration, vacuum low-temperature concentration crystallization and crystal separation on a mixture of the biological enzyme mixed solution and the hydrolyzed starch or dextrin, and then drying to obtain finished inositol; wherein, the remainder after filtration and crystal separation is the inositol containing substance.
Preferably, in the inositol-rich biological fertilizer, the trace element composition comprises the following components in parts by weight: 15-20 parts of zinc ammonium phosphate, 15-20 parts of ferrous sulfate, 3-5 parts of sodium borate, 5-10 parts of manganese oxide, 4-6 parts of magnesium sulfate, 5-10 parts of copper sulfate and 1-3 parts of calcium molybdate.
A preparation method of a biological fertilizer rich in inositol comprises the following steps:
step one, fully mixing 0.2-0.5 part of pectin powder and 1-1.5 parts of konjac flour in parts by weight, and dissolving the mixture in water to prepare a glue solution I;
step two, crushing and filtering the eggplant peel, adding the obtained eggplant peel juice into the glue solution I, uniformly stirring to obtain a glue solution II, and obtaining eggplant peel residues for later use;
step three, filtering the inositol-containing substance to obtain a liquid inositol-containing substance and a solid inositol-containing substance;
step four, mixing the straw fermentation product, the chicken manure, the fishpond sediment, the potassium nitrate, the traditional Chinese medicine residues and the bacillus subtilis microbial agent according to parts by weight to obtain a fertilizer base material I;
step five, adding the eggplant peel residues and the liquid inositol-containing substances into the fertilizer base material I, and uniformly stirring to obtain a fertilizer base material II;
step six, uniformly mixing the solid inositol-containing substance and the trace element composition to prepare particles with the particle size of not more than 2mm, and drying at low temperature to obtain particles I;
soaking the particles I in the glue solution II, fishing out the particles I, and putting the particles I into quicklime powder in parts by weight before drying the glue solution II outside the particles I to prepare particles II with quicklime powder wrapped on the surfaces;
placing the fertilizer base material II into a preparation cavity of a fertilizer preparation device, filling the granules II into the fertilizer base material II through a conveying pipe of the fertilizer preparation device, and drying to obtain fertilizer granules;
step nine, spraying water on the surfaces of fertilizer particles, placing the fertilizer particles into the quicklime powder remained in the step seven to obtain a fertilizer with the quicklime powder wrapped on the surface, and drying the fertilizer to obtain the biological fertilizer rich in inositol;
the preparation cavity consists of an upper shaping piece, a lower shaping piece and a support frame; the upper shaping piece and the lower shaping piece are both provided with plate pieces with a plurality of semicircular pits on the surfaces; the support frame is a rectangular support with an opening on one side; the upper shaping piece is arranged on the upper edge of the opening in a lifting manner in a way that one surface provided with the pit faces downwards; the lower shaping piece is arranged at the lower edge of the opening in a mode that one surface provided with the pits faces upwards and can be turned over to one side; when the upper shaping piece descends, the upper shaping piece is buckled on the lower shaping piece, the edges of the two shaping pieces are flush, and the pits relatively form a circular spherical cavity; when the upper shaping piece rises, the two shaping pieces are separated; the upper fixed shaping piece is provided with a plurality of through holes penetrating through the upper fixed shaping piece; the through holes are arranged on the upper shaping piece at positions corresponding to the pits; the delivery pipe is connected to the through hole through an air pump.
Preferably, in the preparation method of the biological fertilizer rich in inositol, the particles I are divided into a plurality of parts to be respectively soaked in the seventh step; wherein a plurality of parts of the particles I are respectively dipped in the glue solution II for 1 time, 2 times and a plurality of times; the dipping method for dipping the particles I for 2 times or more comprises the following steps: and soaking the particles I in the glue solution II, fishing out the particles I, and soaking the particles I in the glue solution II for soaking after the glue solution II on the surfaces of the particles I is dried.
Preferably, in the preparation method of the biological fertilizer rich in inositol, the number of the particles I contained in each part of the particles I is reduced along with the increment of the dipping times of the particles I in the glue solution II.
Preferably, in the preparation method of the biological fertilizer rich in inositol, a telescopic motor capable of driving the upper shaping piece to move up and down is arranged between the upper shaping piece and the support frame; and a rotating motor capable of driving the lower fixed part to turn to one side is arranged between the lower fixed part and the support frame.
Preferably, in the preparation method of the bio-fertilizer rich in inositol, the lower shaping member is a hollow structure with a cavity inside, and a heating film is arranged on one surface of the cavity facing the pit.
The invention at least comprises the following beneficial effects:
the raw material composition of the biological fertilizer rich in inositol comprises:
1. the inositol-containing substance and other fertilizer raw materials are reasonably proportioned, so that the trapped fluid after inositol extraction can be applied to the fertilizer, the trouble of trapped fluid treatment is avoided, and meanwhile, the prepared fertilizer has high-efficiency nitrogen source nutrition and is easy to be absorbed by plants, a new way is provided for the treatment of the trapped fluid after inositol extraction, and the high economic value is achieved.
2. The organic fertilizers such as straw fermentation products, chicken manure, fishpond sediment and the like are mixed with inositol containing substances rich in a nitrogen source and potassium nitrate, and the trace element composition and the traditional Chinese medicine residues are mixed, and the bacillus subtilis microbial inoculum with a specific dose is added, so that the prepared fertilizer is rich in nutrition, has the triple effects of the organic fertilizer, the bacterial fertilizer and the chemical fertilizer, is strictly and definitely proportioned, enables the effects of the raw materials to supplement each other, can meet the nutritional requirements of plant growth, and is beneficial to the absorption of animals and plants.
3. Through the addition of the quicklime powder in the fertilizer, the acidity of the soil is neutralized in the fertilizer application process, and calcium ions formed after the calcium ions react with water in the soil can enable soil aggregates to form so that the soil is looser, and meanwhile, the fertilizer has good sterilization and disinfection effects on the soil.
The preparation method of the biological powder rich in inositol comprises the following steps:
1. the tomato peel juice is added into the glue solution to increase the color of the glue solution, and the particles I containing inositol are wrapped by the tomato peel juice, so that the effect of shading protection can be achieved, the inositol is prevented from being decomposed by light, the nutritional ingredients of the inositol are prevented from being lost, and sufficient nutrition is provided for animals and plants.
2. After the particles I are wrapped by the lime powder, the lime powder is wrapped on the follow-up fertilizer particles again, so that the fertilizer is gradually released in the application process, and the continuous disinfection effect on the soil can be achieved.
3. The fertilizer base material II is filled with the granules II through the preparation cavity, and the fertilizer granules are obtained after drying, so that the granules containing solid inositol are wrapped in the fertilizer base material, the effect of shading the inositol is further achieved, the granules are gradually released after being applied, and the fertilizer efficiency of the fertilizer is prolonged.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a flow diagram of a process for the preparation of myo-inositol enriched biofertilizer according to the invention;
FIG. 2 is a schematic structural diagram of a preparation chamber provided by the present invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
An inositol-rich biological fertilizer comprises the following components in parts by weight:
30-40 parts of straw fermentation product, 10-20 parts of chicken manure, 20-30 parts of fishpond sediment, 30-40 parts of inositol-containing substance, 10-15 parts of potassium nitrate, 5-10 parts of traditional Chinese medicine residue, 5-10 parts of eggplant peel, 3-5 parts of quicklime powder, 3-8 parts of trace element composition and 2.5-3 parts of bacillus subtilis microbial agent.
In the scheme, the inositol-containing substance and other fertilizer raw materials are reasonably proportioned, so that the trapped fluid after inositol extraction can be applied to the fertilizer, the trouble of trapped fluid treatment is avoided, and meanwhile, the prepared fertilizer has high-efficiency nitrogen source nutrition and is easy to be absorbed by plants, a new way is provided for the treatment of the trapped fluid after inositol extraction, and the high economic value is achieved; the organic fertilizers such as straw fermentation products, chicken manure, fish pond sediment and the like are mixed with inositol-containing substances rich in nitrogen sources and potassium nitrate, and the trace element composition and the traditional Chinese medicine residues are mixed, and the bacillus subtilis microbial inoculum with a specific dose is added, so that the prepared fertilizer is rich in nutrition, has the triple effects of the organic fertilizer, the bacterial fertilizer and the chemical fertilizer, is strictly and definitely proportioned, enables the functions of the raw materials to supplement each other, can meet the nutritional requirements of plant growth, and is beneficial to the absorption of animals and plants; through the addition of the quicklime powder in the fertilizer, the acidity of the soil is neutralized in the fertilizer application process, and calcium ions formed after the calcium ions react with water in the soil can enable soil aggregates to form so that the soil is looser, and meanwhile, the fertilizer has good sterilization and disinfection effects on the soil.
In a preferred scheme, the straw fermentation product is prepared by stacking and retting corn stalks, peanut seedlings, peanut shells, soybean seedlings, sweet potato seedlings and bagasse.
In the scheme, the straw fermentation materials adopt common corn stalks, peanut seedlings, peanut shells, soybean seedlings, sweet potato seedlings and bagasse, so that the cost of the fertilizer is reduced, and the corn stalks and the like are effectively recycled.
In a preferred embodiment, the inositol-containing substance is a residual product obtained by extracting inositol from hydrolyzed starch or dextrin.
In the scheme, inositol, protein, sugar and other substances are adsorbed in the residual product after extracting the inositol from hydrolyzed starch or dextrin, wherein the dry matter content is 10-12%, the inositol content is about 10-20g/L, the protein content is 70-90g/L, the sugar content is 10-15g/L, and the protein content in the dry matter accounts for 70-80%; and the fertilizer is mainly microbial protein, is easy to be passively utilized by plants and microorganisms, is high-efficiency nitrogen source nutrition, and is very suitable for preparing fertilizers.
In a preferred embodiment, the method for extracting inositol from hydrolyzed starch or dextrin comprises: performing enzymolysis on hydrolyzed starch or dextrin by using a biological enzyme mixed solution, converting glucose molecules in the starch or dextrin into inositol molecules, and performing membrane filtration, ion exchange resin treatment, active carbon filtration, ultrafiltration membrane filtration, vacuum low-temperature concentration crystallization and crystal separation on a mixture of the biological enzyme mixed solution and the hydrolyzed starch or dextrin, and then drying to obtain finished inositol; wherein, the remainder after filtration and crystal separation is the inositol containing substance.
In a preferred embodiment, the trace element composition comprises the following components in parts by weight: 15-20 parts of zinc ammonium phosphate, 15-20 parts of ferrous sulfate, 3-5 parts of sodium borate, 5-10 parts of manganese oxide, 4-6 parts of magnesium sulfate, 5-10 parts of copper sulfate and 1-3 parts of calcium molybdate.
In the scheme, the medium trace elements such as calcium, magnesium, iron, copper, zinc, molybdenum and the like are added into the fertilizer formula, so that the requirement of the medium trace elements for the growth of most of the plants is met.
A preparation method of a biological fertilizer rich in inositol comprises the following steps:
step one, fully mixing 0.2-0.5 part of pectin powder and 1-1.5 parts of konjac flour in parts by weight, and dissolving the mixture in water to prepare a glue solution I;
step two, crushing and filtering the eggplant peel, adding the obtained eggplant peel juice into the glue solution I, uniformly stirring to obtain a glue solution II, and obtaining eggplant peel residues for later use;
step three, filtering the inositol-containing substance to obtain a liquid inositol-containing substance and a solid inositol-containing substance;
step four, mixing the straw fermentation product, the chicken manure, the fishpond sediment, the potassium nitrate, the traditional Chinese medicine residues and the bacillus subtilis microbial agent according to parts by weight to obtain a fertilizer base material I;
step five, adding the eggplant peel residues and the liquid inositol-containing substances into the fertilizer base material I, and uniformly stirring to obtain a fertilizer base material II;
step six, uniformly mixing the solid inositol-containing substance and the trace element composition to prepare particles with the particle size of not more than 2mm, and drying at low temperature to obtain particles I;
soaking the particles I in the glue solution II, fishing out the particles I, and putting the particles I into quicklime powder in parts by weight before drying the glue solution II outside the particles I to prepare particles II with quicklime powder wrapped on the surfaces;
placing the fertilizer base material II into a preparation cavity of a fertilizer preparation device, filling the granules II into the fertilizer base material II through a conveying pipe of the fertilizer preparation device, and drying to obtain fertilizer granules;
step nine, spraying water on the surfaces of fertilizer particles, placing the fertilizer particles into the quicklime powder remained in the step seven to obtain a fertilizer with the quicklime powder wrapped on the surface, and drying the fertilizer to obtain the biological fertilizer rich in inositol;
wherein, the preparation cavity consists of an upper fixed mould part 1, a lower fixed mould part 2 and a support frame 3; the upper shaping piece 1 and the lower shaping piece 2 are both plate pieces with a plurality of semicircular pits 4 on the surfaces; the support frame 3 is a rectangular support with an opening on one side; the upper shaping piece 1 is arranged at the upper edge of the opening in a lifting way in a way that one surface provided with the pit 4 faces downwards; the lower shaping piece 2 is arranged at the lower edge of the opening in a mode that one surface provided with the pit 4 faces upwards and can be turned over to one side; when the upper shaping piece 1 descends, the upper shaping piece 1 is buckled on the lower shaping piece 2, the edges of the two shaping pieces are flush, and the pits 4 relatively form a circular spherical cavity; when the upper shaping piece 1 rises, the two shaping pieces are separated; the upper fixed profile piece 1 is provided with a plurality of through holes 5 which penetrate through the upper fixed profile piece 1; the through holes 5 are arranged on the upper shaping piece 1 at positions corresponding to the pits 4; the delivery pipe 6 is connected to the through hole 5 by an air pump 7.
In the scheme, the eggplant peel juice is added into the glue solution to increase the color of the glue solution, and the particles I containing inositol are wrapped by the eggplant peel juice, so that the effect of shading protection can be achieved, the inositol is prevented from being decomposed by light, the nutritional ingredients of the inositol are prevented from being lost, and sufficient nutrition is provided for animals and plants; after the particles I are wrapped by the lime powder, the lime powder is wrapped on the subsequent fertilizer particles again, so that the fertilizer is gradually released slowly in the application process, and the continuous disinfection effect on the soil can be achieved; the fertilizer base material II is filled with the granules II through the preparation cavity, and the fertilizer granules are obtained after drying, so that the granules containing solid inositol are wrapped in the fertilizer base material, the effect of shading the inositol is further achieved, the granules are gradually released after being applied, and the fertilizer efficiency of the fertilizer is prolonged.
The preparation cavity is formed by the upper shaping piece and the lower shaping piece, and the fertilizer can form particles among the shaping pieces through the arrangement of the pits, so that the subsequent fertilizer transportation and application are facilitated; and go up the cooperation of last through-hole and conveyer pipe and air pump on the stereotype for granule II can be stretched into in the fertilizer granule through the strength of air pump, and then form the distribution in the fertilizer granule, thereby utilized granule II to carry out the slowly-releasing effect in having played the fertilizer. This preparation chamber's simple structure, and convenient operation are filling fertilizer base-material by the conveyer pipe in the pit, again by the conveyer pipe with granule II fill fertilizer base-material in, dry back for go up the design and rise, the design upset down can be collected and pack the fertilizer in the design pit down, has effectively improved the machining efficiency of fertilizer.
In a preferable scheme, in the seventh step, the particles I are divided into a plurality of parts to be respectively soaked; wherein a plurality of parts of the particles I are respectively dipped in the glue solution II for 1 time, 2 times and a plurality of times; the dipping method for dipping the particles I for 2 times or more comprises the following steps: and soaking the particles I in the glue solution II, fishing out the particles I, and soaking the particles I in the glue solution II for soaking after the glue solution II on the surfaces of the particles I is dried.
In the scheme, the particles I are divided into multiple parts and are respectively soaked for different times, so that glue solution layers with different thicknesses are generated on the particles I, the particles I can be decomposed with different aging after the fertilizer is applied, and the fertilizer efficiency is prolonged.
In a preferred embodiment, the number of particles I contained in each part of the particles I is reduced along with the increase of the dipping times of the particles I in the glue solution II.
In the scheme, the amount of the granules I with different dipping times is distributed, so that the fertilizer is larger in the initial fertilizer application period, a large amount of nutrition required in the initial growth period is met, the slow release amount of the fertilizer is reduced after the fertilizer grows slowly in the later period, and the waste of the fertilizer is avoided.
The experimental results show that the fertilizer efficiency of the common fruit tree fertilizer reaches 7.5 months to the maximum and only 4.7 months to the minimum in various soils, the action time of the biological fertilizer rich in inositol in various soils is 9.2 months to the minimum, the action time of the biological fertilizer rich in inositol can reach 14.8 months to the maximum, the fertilizer is obviously superior to the common fruit tree fertilizer, and the growth vigor of the apple tree seedlings in various soils is superior to that of the apple tree seedlings applying the common fruit tree fertilizer, which shows that the fertilizer has obvious regulation effect on the soils and can better meet the nutrition required by plant growth.
In a preferable scheme, a telescopic motor 8 capable of driving the upper shaping piece 1 to move up and down is arranged between the upper shaping piece 1 and the support frame 3; a rotating motor 9 capable of driving the lower shaping piece 2 to turn to one side is arranged between the lower shaping piece 2 and the support frame 3.
In a preferred embodiment, the lower shaped part 2 is provided as a hollow structure with a cavity inside, and a heating film is provided on one side of the cavity facing the pit 4.
In the above scheme, through the setting of heating film for fertilizer granule rapid draing has improved fertilizer preparation efficiency.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An inositol-rich biological fertilizer, which comprises the following components in parts by weight:
30-40 parts of straw fermentation product, 10-20 parts of chicken manure, 20-30 parts of fishpond sediment, 30-40 parts of inositol-containing substance, 10-15 parts of potassium nitrate, 5-10 parts of traditional Chinese medicine residue, 5-10 parts of eggplant peel, 3-5 parts of quicklime powder, 3-8 parts of trace element composition and 2.5-3 parts of bacillus subtilis microbial agent.
2. The inositol-enriched biofertilizer of claim 1, wherein the straw ferment is made from corn stalks, peanut vine, peanut hulls, soybean vine, sweet potato vine, and bagasse stack retting.
3. The inositol-enriched biofertilizer of claim 1, wherein the inositol-containing substance is a residual product obtained by extracting inositol from hydrolyzed starch or dextrin.
4. The inositol-enriched biofertilizer of claim 3, wherein the inositol is extracted from the hydrolyzed starch or dextrin by the method comprising: performing enzymolysis on hydrolyzed starch or dextrin by using a biological enzyme mixed solution, converting glucose molecules in the starch or dextrin into inositol molecules, and performing membrane filtration, ion exchange resin treatment, active carbon filtration, ultrafiltration membrane filtration, vacuum low-temperature concentration crystallization and crystal separation on a mixture of the biological enzyme mixed solution and the hydrolyzed starch or dextrin, and then drying to obtain finished inositol; wherein, the remainder after filtration and crystal separation is the inositol containing substance.
5. The inositol-enriched biofertilizer of claim 1, wherein the trace element composition comprises the following components in parts by weight: 15-20 parts of zinc ammonium phosphate, 15-20 parts of ferrous sulfate, 3-5 parts of sodium borate, 5-10 parts of manganese oxide, 4-6 parts of magnesium sulfate, 5-10 parts of copper sulfate and 1-3 parts of calcium molybdate.
6. A process for the preparation of an inositol-rich biofertilizer according to any one of claims 1-5, comprising the steps of:
step one, fully mixing 0.2-0.5 part of pectin powder and 1-1.5 parts of konjac flour in parts by weight, and dissolving the mixture in water to prepare a glue solution I;
step two, crushing and filtering the eggplant peel, adding the obtained eggplant peel juice into the glue solution I, uniformly stirring to obtain a glue solution II, and obtaining eggplant peel residues for later use;
step three, filtering the inositol-containing substance to obtain a liquid inositol-containing substance and a solid inositol-containing substance;
step four, mixing the straw fermentation product, the chicken manure, the fishpond sediment, the potassium nitrate, the traditional Chinese medicine residues and the bacillus subtilis microbial agent according to parts by weight to obtain a fertilizer base material I;
step five, adding the eggplant peel residues and the liquid inositol-containing substances into the fertilizer base material I, and uniformly stirring to obtain a fertilizer base material II;
step six, uniformly mixing the solid inositol-containing substance and the trace element composition to prepare particles with the particle size of not more than 2mm, and drying at low temperature to obtain particles I;
soaking the particles I in the glue solution II, fishing out the particles I, and putting the particles I into quicklime powder in parts by weight before drying the glue solution II outside the particles I to prepare particles II with quicklime powder wrapped on the surfaces;
placing the fertilizer base material II into a preparation cavity of a fertilizer preparation device, filling the granules II into the fertilizer base material II through a conveying pipe of the fertilizer preparation device, and drying to obtain fertilizer granules;
step nine, spraying water on the surfaces of fertilizer particles, placing the fertilizer particles into the quicklime powder remained in the step seven to obtain a fertilizer with the quicklime powder wrapped on the surface, and drying the fertilizer to obtain the biological fertilizer rich in inositol;
the preparation cavity consists of an upper shaping piece, a lower shaping piece and a support frame; the upper shaping piece and the lower shaping piece are both provided with plate pieces with a plurality of semicircular pits on the surfaces; the support frame is a rectangular support with an opening on one side; the upper shaping piece is arranged on the upper edge of the opening in a lifting manner in a way that one surface provided with the pit faces downwards; the lower shaping piece is arranged at the lower edge of the opening in a mode that one surface provided with the pits faces upwards and can be turned over to one side; when the upper shaping piece descends, the upper shaping piece is buckled on the lower shaping piece, the edges of the two shaping pieces are flush, and the pits relatively form a circular spherical cavity; when the upper shaping piece rises, the two shaping pieces are separated; the upper fixed shaping piece is provided with a plurality of through holes penetrating through the upper fixed shaping piece; the through holes are arranged on the upper shaping piece at positions corresponding to the pits; the delivery pipe is connected to the through hole through an air pump.
7. The process for producing an inositol-rich biofertilizer according to claim 6, wherein in the seventh step, the pellet I is separately dipped in a plurality of portions; wherein a plurality of parts of the particles I are respectively dipped in the glue solution II for 1 time, 2 times and a plurality of times; the dipping method for dipping the particles I for 2 times or more comprises the following steps: and soaking the particles I in the glue solution II, fishing out the particles I, and soaking the particles I in the glue solution II for soaking after the glue solution II on the surfaces of the particles I is dried.
8. The process for the preparation of a biofertilizer rich in inositol according to claim 7, wherein the number of particles I contained in each portion of said particles I decreases as the number of dips of said particles I in said gel solution II increases.
9. The method for preparing a bio-fertilizer rich in inositol as defined in claim 6, wherein a telescopic motor for driving the upper shaping member to move up and down is provided between the upper shaping member and the supporting frame; and a rotating motor capable of driving the lower fixed part to turn to one side is arranged between the lower fixed part and the support frame.
10. The method according to claim 6, wherein said lower shaping member is a hollow structure having a cavity therein, and a heating film is disposed on a surface of said cavity facing said recess.
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