CN105884468A - Production method of garden organic fertilizer - Google Patents
Production method of garden organic fertilizer Download PDFInfo
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- CN105884468A CN105884468A CN201610516242.5A CN201610516242A CN105884468A CN 105884468 A CN105884468 A CN 105884468A CN 201610516242 A CN201610516242 A CN 201610516242A CN 105884468 A CN105884468 A CN 105884468A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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Abstract
The invention belongs to the field of production of organic fertilizers, and discloses a production method of a garden organic fertilizer, which solves the problems of pollution to environments and poor fertilizer efficiency in the organic fertilizer. The production method has the advantages that by controlling the granularity of calcium superphosphate, urine and potassium chloride, the mixing uniformity of the fertilizer can be further improved; by controlling the ratio of ammonium humate and humic acid nitrogen, phosphor and potassium composite fertilizer, the fertilizer efficiency is improved, and the production efficiency is improved; the drying is secondary drying, so that the sufficient drying of the material after granulating and forming is guaranteed, and the powerful condition is provided for the next screening; the sterilization is performed in the cooling process, so that the influence of infectious microbe to the fertilizer efficiency is reduced, the finished product can be inspected after cooling, and the effectivity of the fertilizer efficiency is determined. The garden organic fertilizer produced by the production method has the advantages that the fertilizer efficiency is high, and the production efficiency is high.
Description
Technical field
The invention belongs to the production field of organic fertilizer, it is more particularly related to the production method of a kind of gardens organic fertilizer.
Background technology
Organic fertilizer refers to containing organic substance, has both been provided that the multiple inorganic nutrients of crops and organic nutrient, a class fertilizer of improvement soil of fostering and apply fertilizer again.Wherein the overwhelming majority is gathered materials on the spot for farmers', amasss system voluntarily.Organic fertilizer, rich in the nutrient substance needed for organic substance and plant growth, can not only provide nutrient needed for plant growth, improves soil, crop quality can also be improved, improve crop yield, promote high crop yield stable yields, preservation of fertility, can improve utilization rate of fertilizer simultaneously, reduces production cost.Fully Appropriate application organic fertilizer can increase crop yield, culture fertility, improve quality of agricultural product, the effectiveness of raising soil nutrient.The production method of gardens organic fertilizer also exists and pollutes environment and the problem of fertilizer efficiency difference at present.
Summary of the invention
Problem to be solved by this invention is to provide the production method of a kind of gardens organic fertilizer.
To achieve these goals, the technical scheme that the present invention takes is:
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 300-400 DEG C, and the described dry time is 6-12h, described broken after sectional area be 0.1-0.3mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 14%-16%, and the concentration of described hydrogen peroxide is 25%-35%, and the time of described reaction is 1-3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses and ammonia after pulverizing and ammonium hydrogen carbonate carry out aminating reaction, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, form humic acids Nitrogen-Phosphorus-Potassium compound fertilizer；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the time of described mixing is 30-60min；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 5-15min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, then pass through Screening Network and carry out particle screen selecting；
(7) cooling pack
Being cooled down by chilling roll by granule after screening, then pack to obtain finished product, the time of described cooling is 10-20min, and the temperature of described cooling is 20-30 DEG C.
Preferably, in described step (3), the granularity of calcium superphosphate is 20-30 mesh, and the granularity of described carbamide is 15-25 mesh, and the granularity of described potassium chloride is 5-15 mesh.
Preferably, in described step (4), the ratio of ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 3:5-7:5.
Preferably, in described step (6), drying and processing is secondary drying.
Preferably, described secondary drying is divided into: 1. being put into by the material after granulating and forming and carry out first drying process in dehydrator, the temperature of described drying is 200-300 DEG C, and the time of described drying is 30-40min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 100-200 DEG C, and the time of described drying is 25-35min.
Preferably, described step (7) carries out sterilization treatment while cooling.
Preferably, finished product is tested after cooling by described step (7).
Preferably, the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
Beneficial effect: the invention provides the production method of a kind of gardens organic fertilizer, described calcium superphosphate, carbamide and the control of potassium chloride granularity, the mixing homogeneity of fertilizer can be improved further, described ammonium humate and the ratio of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the fertility of fertilizer can be improved, improve production efficiency, the when of compound, add yeast, effect is to prevent long-time fertilizer to lose efficacy, extend activity time, the effect forming complex is, prevent fertilizer with rain water runoff, improve fertilizer efficiency, described drying and processing is secondary drying, may insure that the abundant drying of the material after granulating and forming, favourable conditions is provided for next step screening, sterilization treatment is carried out while described cooling, the miscellaneous bacteria impact on fertility can be reduced, after described cooling, finished product is tested, may determine that the effectiveness of fertilizer.The gardens organic fertilizer using this kind of production method to produce has the advantage that fertility is strong and production efficiency is high.
Detailed description of the invention
Embodiment
1
:
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 300 DEG C, and the described dry time is 6h, described broken after sectional area be 0.1mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 14%-16%, and the concentration of described hydrogen peroxide is 25%-35%, and the time of described reaction is 1-3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses after pulverizing carries out aminating reaction with ammonia and ammonium hydrogen carbonate, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, formed humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the granularity of described calcium superphosphate is 20 mesh, the granularity of described carbamide is 15 mesh, and the granularity of described potassium chloride is 5 mesh；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the time of described mixing is 30min, and the ratio of described ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 3:5；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 5min
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, then pass through Screening Network and carry out particle screen selecting, described drying and processing is secondary drying, described secondary drying is divided into: is 1. put into by the material after granulating and forming and carries out first drying process in dehydrator, the temperature of described drying is 200 DEG C, and the time of described drying is 30min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 100 DEG C, and the time of described drying is 25min；
(7) cooling pack
Granule after screening is cooled down by chilling roll, sterilization treatment is carried out while cooling, after cooling, finished product is tested, then qualified for inspection is packed to obtain finished product, the time of described cooling is 10min, the temperature of described cooling is 20 DEG C, and the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
Embodiment
2
:
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 350 DEG C, and the described dry time is 9h, described broken after sectional area be 0.2mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 14%-16%, and the concentration of described hydrogen peroxide is 25%-35%, and the time of described reaction is 1-3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses after pulverizing carries out aminating reaction with ammonia and ammonium hydrogen carbonate, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, formed humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the granularity of described calcium superphosphate is 25 mesh, the granularity of described carbamide is 20 mesh, and the granularity of described potassium chloride is 10 mesh；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the time of described mixing is 45min, and the ratio of described ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 5:5；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 10min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, then pass through Screening Network and carry out particle screen selecting, described drying and processing is secondary drying, described secondary drying is divided into: is 1. put into by the material after granulating and forming and carries out first drying process in dehydrator, the temperature of described drying is 250 DEG C, and the time of described drying is 35min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 150 DEG C, and the time of described drying is 30min；
(7) cooling pack
Granule after screening is cooled down by chilling roll, sterilization treatment is carried out while cooling, after cooling, finished product is tested, then qualified for inspection is packed to obtain finished product, the time of described cooling is 15min, the temperature of described cooling is 25 DEG C, and the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
Embodiment
3
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 400 DEG C, and the described dry time is 12h, described broken after sectional area be 0.3mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 14%-16%, and the concentration of described hydrogen peroxide is 25%-35%, and the time of described reaction is 1-3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses after pulverizing carries out aminating reaction with ammonia and ammonium hydrogen carbonate, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, formed humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the granularity of described calcium superphosphate is 30 mesh, the granularity of described carbamide is 25 mesh, and the granularity of described potassium chloride is 15 mesh；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the time of described mixing is 60min, and the ratio of described ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 7:5；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 15min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, then pass through Screening Network and carry out particle screen selecting, described drying and processing is secondary drying, described secondary drying is divided into: is 1. put into by the material after granulating and forming and carries out first drying process in dehydrator, the temperature of described drying is 300 DEG C, and the time of described drying is 40min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 200 DEG C, and the time of described drying is 35min；
(7) cooling pack
Granule after screening is cooled down by chilling roll, sterilization treatment is carried out while cooling, after cooling, finished product is tested, then qualified for inspection is packed to obtain finished product, the time of described cooling is 20min, the temperature of described cooling is 30 DEG C, and the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
Embodiment
4
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 365 DEG C, and the described dry time is 8h, described broken after sectional area be 0.15mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 15%, and the time of described reaction is 2min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses after pulverizing carries out aminating reaction with ammonia, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, formed humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the granularity of calcium superphosphate is 22 mesh, the granularity of described carbamide is 18 mesh, and the granularity of described potassium chloride is 8 mesh；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the ratio of ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 4:5, and the time of described mixing is 55min；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 10min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, drying and processing is secondary drying, secondary drying is divided into: 1. being put into by the material after granulating and forming and carry out first drying process in dehydrator, the temperature of described drying is 230 DEG C, and the time of described drying is 38min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 180 DEG C, and the time of described drying is 30min, then passes through Screening Network and carries out particle screen selecting；
(7) cooling pack
Granule after screening is cooled down by chilling roll, then finished product is packed to obtain, the time of described cooling is 15min, the temperature of described cooling is 25 DEG C, sterilization treatment is carried out while cooling, after cooling testing finished product, the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
Embodiment
5
The production method of a kind of gardens organic fertilizer, comprises the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 320 DEG C, and the described dry time is 10h, described broken after sectional area be 0.25mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 15%, and the time of described reaction is 3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses after pulverizing carries out aminating reaction with ammonia, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, formed humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the granularity of calcium superphosphate is 28 mesh, the granularity of described carbamide is 23 mesh, and the granularity of described potassium chloride is 13 mesh；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the ratio of ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 6:5, and the time of described mixing is 50min；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 13min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, drying and processing is secondary drying, secondary drying is divided into: 1. being put into by the material after granulating and forming and carry out first drying process in dehydrator, the temperature of described drying is 280 DEG C, and the time of described drying is 38min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 130 DEG C, and the time of described drying is 35min, then passes through Screening Network and carries out particle screen selecting；
(7) cooling pack
Granule after screening is cooled down by chilling roll, then finished product is packed to obtain, the time of described cooling is 10min, the temperature of described cooling is 30 DEG C, sterilization treatment is carried out while cooling, after cooling testing finished product, the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
After above method, taking out sample respectively, measurement result is as follows:
| Detection project | Epigranular degree (%) | Water-soluble phosphorus occupies effect (%) | Total nutrient content (%) |
| Embodiment 1 | 99 | 65 | 39 |
| Embodiment 2 | 99 | 71 | 42 |
| Embodiment 3 | 98 | 69 | 41 |
| Embodiment 4 | 96 | 63 | 40 |
| Embodiment 5 | 97 | 62 | 38 |
| Existing index | 95 | 60 | 35 |
Can draw according to above table data, the organic fertilizer after the present invention produces is higher than the epigranular degree of the organic fertilizer after prior art production, and water-soluble phosphorus occupies effect and total nutrient content also increased, and is now more beneficial for the production of organic fertilizer.Wherein 2 optimum embodiments of embodiment, indices is all optimal value.
The invention provides the production method of a kind of gardens organic fertilizer, described calcium superphosphate, carbamide and the control of potassium chloride granularity, the mixing homogeneity of fertilizer can be improved further, described ammonium humate and the ratio of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, the fertility of fertilizer can be improved, improve production efficiency, described drying and processing is secondary drying, may insure that the abundant drying of the material after granulating and forming, favourable conditions is provided for next step screening, sterilization treatment is carried out while described cooling, the miscellaneous bacteria impact on fertility can be reduced, after described cooling, finished product is tested, may determine that the effectiveness of fertilizer.The gardens organic fertilizer using this kind of production method to produce has the advantage that fertility is strong and production efficiency is high.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (8)
1. the production method of a gardens organic fertilizer, it is characterised in that comprise the steps:
(1) pretreatment of raw material
Weathered coal and the peat composed of rotten mosses being dried process the most in the drying chamber, is then crushed respectively by dried raw material, described dry temperature is 300-400 DEG C, and the described dry time is 6-12h, described broken after sectional area be 0.1-0.3mm2；
(2) ammonification of weathered coal
Weathered coal and ammonia, hydrogen peroxide, carbamide and water carrying out aminating reaction, forms ammonium humate, the concentration of described ammonia is 14%-16%, and the concentration of described hydrogen peroxide is 25%-35%, and the time of described reaction is 1-3min；
(3) production of humic acids Nitrogen-Phosphorus-Potassium compound fertilizer
The peat composed of rotten mosses and ammonia after pulverizing and ammonium hydrogen carbonate carry out aminating reaction, then with pulverize after calcium superphosphate, carbamide and potassium chloride mixing granulation, form humic acids Nitrogen-Phosphorus-Potassium compound fertilizer；
(4) compound
Being delivered to the ammonium humate that ammonification is good in mixer mix with humic acids Nitrogen-Phosphorus-Potassium compound fertilizer, form complex, the time of described mixing is 30-60min；
(5) pelletize
Then being transported in comminutor by complex, add yeast, be passed through steam simultaneously, carry out pelletize, the time of described pelletize is 5-15min；
(6) screening is dried
Material after granulating and forming is put in dehydrator and carry out drying and processing, then pass through Screening Network and carry out particle screen selecting；
(7) cooling pack
Being cooled down by chilling roll by granule after screening, then pack to obtain finished product, the time of described cooling is 10-20min, and the temperature of described cooling is 20-30 DEG C.
2. according to the production method of a kind of gardens organic fertilizer described in claim 1, it is characterised in that: in described step (3), the granularity of calcium superphosphate is 20-30 mesh, and the granularity of described carbamide is 15-25 mesh, and the granularity of described potassium chloride is 5-15 mesh.
3. according to the production method of a kind of gardens organic fertilizer described in claim 1, it is characterised in that: in described step (4), the ratio of ammonium humate and humic acids Nitrogen-Phosphorus-Potassium compound fertilizer is 3:5-7:5.
4. according to the production method of a kind of gardens organic fertilizer described in claim 1, it is characterised in that: in described step (6), drying and processing is secondary drying.
5. according to the production method of a kind of gardens organic fertilizer described in claim 4, it is characterized in that: described secondary drying is divided into: 1. the material after granulating and forming is put into and dehydrator carries out first drying process, the temperature of described drying is 200-300 DEG C, and the time of described drying is 30-40min；The material of first drying the most then carries out secondary drying, and the temperature of described drying is 100-200 DEG C, and the time of described drying is 25-35min.
6. according to the production method of a kind of gardens organic fertilizer described in claim 1, it is characterised in that: described step (7) carries out sterilization treatment while cooling.
7. according to the production method of a kind of gardens organic fertilizer described in claim 1, it is characterised in that: finished product is tested after cooling by described step (7).
8. according to the production method of a kind of gardens organic fertilizer described in claim 7, it is characterised in that: the index of described inspection is that epigranular degree, water-soluble phosphorus occupy effect and total nutrient content.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610516242.5A CN105884468A (en) | 2016-07-04 | 2016-07-04 | Production method of garden organic fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610516242.5A CN105884468A (en) | 2016-07-04 | 2016-07-04 | Production method of garden organic fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056378A (en) * | 2017-03-24 | 2017-08-18 | 合肥慧谷农业科技有限公司 | A kind of wheat composite fertilizer and preparation method thereof |
| CN113012924A (en) * | 2019-12-20 | 2021-06-22 | 合肥博微田村电气有限公司 | Preparation method of corrosion-resistant integrally-formed inductance powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN101215201A (en) * | 2007-12-29 | 2008-07-09 | 韩志德 | Method of producing humic acid silicon fertilizer |
| CN102515885A (en) * | 2011-10-26 | 2012-06-27 | 石家庄学院 | Method for preparing humic acid by using weathered coal |
-
2016
- 2016-07-04 CN CN201610516242.5A patent/CN105884468A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490282A (en) * | 2002-10-16 | 2004-04-21 | 郭宗恒 | Activated humic acid composite fertilizer and its making method |
| CN101215201A (en) * | 2007-12-29 | 2008-07-09 | 韩志德 | Method of producing humic acid silicon fertilizer |
| CN102515885A (en) * | 2011-10-26 | 2012-06-27 | 石家庄学院 | Method for preparing humic acid by using weathered coal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056378A (en) * | 2017-03-24 | 2017-08-18 | 合肥慧谷农业科技有限公司 | A kind of wheat composite fertilizer and preparation method thereof |
| CN113012924A (en) * | 2019-12-20 | 2021-06-22 | 合肥博微田村电气有限公司 | Preparation method of corrosion-resistant integrally-formed inductance powder |
| CN113012924B (en) * | 2019-12-20 | 2023-04-28 | 合肥博微田村电气有限公司 | Preparation method of corrosion-resistant integrated inductor powder |
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