CN111574286A - Novel calcium magnesium phosphorus mineral and preparation method thereof - Google Patents
Novel calcium magnesium phosphorus mineral and preparation method thereof Download PDFInfo
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- CN111574286A CN111574286A CN202010438267.4A CN202010438267A CN111574286A CN 111574286 A CN111574286 A CN 111574286A CN 202010438267 A CN202010438267 A CN 202010438267A CN 111574286 A CN111574286 A CN 111574286A
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- mineral
- calcium magnesium
- raw materials
- phosphorus
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 51
- 239000011707 mineral Substances 0.000 title claims abstract description 51
- YMKIRWHSXOBLCF-UHFFFAOYSA-N [Mg].[P].[Ca] Chemical compound [Mg].[P].[Ca] YMKIRWHSXOBLCF-UHFFFAOYSA-N 0.000 title claims description 21
- 238000002360 preparation method Methods 0.000 title claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 claims abstract description 11
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 42
- 239000003337 fertilizer Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 12
- 239000011575 calcium Substances 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 12
- 239000011777 magnesium Substances 0.000 claims description 12
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- 239000011574 phosphorus Substances 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 12
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 8
- 239000004021 humic acid Substances 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000010459 dolomite Substances 0.000 claims description 6
- 229910000514 dolomite Inorganic materials 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 239000002367 phosphate rock Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002366 mineral element Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 229910052793 cadmium Inorganic materials 0.000 abstract description 16
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract description 16
- 239000002689 soil Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 5
- -1 calcium-magnesium-phosphorus-silicon dioxide Chemical compound 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- 235000010755 mineral Nutrition 0.000 description 32
- 150000001875 compounds Chemical class 0.000 description 8
- 210000003608 fece Anatomy 0.000 description 6
- 239000010871 livestock manure Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 229930002875 chlorophyll Natural products 0.000 description 3
- 235000019804 chlorophyll Nutrition 0.000 description 3
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000035764 nutrition Effects 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- 241001494479 Pecora Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000009920 chelation Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004939 coking Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008653 root damage Effects 0.000 description 2
- 230000004936 stimulating effect Effects 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008117 seed development Effects 0.000 description 1
- 230000007226 seed germination Effects 0.000 description 1
- 230000035040 seed growth Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
-
- 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
-
- 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
- C05G3/80—Soil conditioners
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The novel calcium magnesium phosphate mineral silicon dioxide has high content and good cadmium reduction effect, the cadmium reduction amplitude is up to 50% -70%, the cadmium content of agricultural products can be reduced to be below the national standard, the yield and the quality of the agricultural products are greatly improved, soil can be improved, and the pH value of acid soil is improved. The novel calcium-magnesium-phosphorus-silicon dioxide mineral disclosed by the invention has high content and good cadmium reduction effect, the cadmium reduction amplitude is up to 50% -70%, the cadmium content of agricultural products can be reduced to be below the national standard, the yield and the quality of the agricultural products are greatly improved, the soil can be improved, and the pH value of acid soil is increased.
Description
Technical Field
The invention belongs to the technical field of fertilizer preparation, and particularly relates to novel calcium magnesium phosphate mineral and a preparation method thereof.
Background
In the process of planting agricultural products, in order to improve the yield of the agricultural products, fertilizers are often applied to the agricultural products during planting.
However, although the yield of agricultural products can be increased to a certain extent by the existing fertilizer, the yield increasing effect is not obvious enough due to the fact that the existing fertilizer contains few trace elements, the cadmium content of the agricultural products after the agricultural products are matured far exceeds the national standard, the quality of the agricultural products is poor, and in addition, the existing fertilizer is easy to damage soil after being used.
Disclosure of Invention
In view of the above, the invention aims to provide a novel mineral calcium magnesium phosphorus and a preparation method thereof, the novel mineral calcium magnesium phosphorus has high silicon dioxide content and a good cadmium reduction effect, the cadmium reduction amplitude is as high as 50% -70%, the cadmium content of agricultural products can be reduced below the national standard, the yield and the quality of the agricultural products are greatly improved, soil can be improved, and the pH value of acid soil is improved.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the novel mineral calcium magnesium phosphorus is prepared from the following raw materials in parts by weight: 37-42 parts of phosphate rock, 5-7 parts of dolomite, 18-22 parts of silica and 6-10 parts of mineral humic acid.
Further, the content of each mineral element in the raw materials is as follows: 14-16% of phosphorus, 40-45% of calcium, 30-35% of silicon, 4-6% of magnesium and 1-3% of iron.
Further, the PH value of the raw materials is more than or equal to 8.0-10.0%.
The preparation method of the novel mineral calcium magnesium phosphorus comprises the following steps:
(1) crushing 70% of phosphate rock, 10% of dolomite and 20% of silica by using a crusher respectively, putting the crushed raw materials into a drying furnace respectively to obtain coarse and fine ore raw materials, wherein the drying furnace is a rotary furnace, the furnace is protected from high temperature by using special water-resistant bricks so as to avoid damaging the furnace, then heating by using 8000 calorie coking coal fuel to increase the temperature in the furnace to 500-;
(2) mixing the coarse and fine ore raw materials obtained in the step (1), and adding fuel accounting for 30-35% of the total mass of the raw materials for preparing the novel calcium, magnesium and phosphorus minerals to obtain coarse and fine ore mixed raw materials to be treated by the furnace temperature;
(3) putting the crude ore mixed raw material to be treated in the step (2) into a blast furnace, and drying at a high temperature of 150 ℃ at 120-;
(4) standing the activated raw material to be treated obtained in the step (3) for a period of time to obtain a stable mineral activated raw material;
(5) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material;
(6) the ball-milling raw material and additive mineral source humic acid are mixed according to the proportion of 9:1 to obtain mineral novel calcium magnesium phosphorus, the mineral source humic acid is a novel calcium magnesium phosphorus activator, is homologous with soil, is the element with the most organic activity, is generally called natural fertilizer, has high nutritive value, has no harm to crops, has the functions of stimulating plant rooting, nourishing roots and root-forming, promoting flowers and fruits and enhancing chlorophyll symphysis, and also has the effects of balancing nutrition, improving yield, regulating PH and the like.
Further, the drying temperature in the step (5) is 120-.
Further, the use method of the novel mineral calcium magnesium phosphorus comprises the following steps: 80-150 kilograms of the compound fertilizer is used per mu, the compound fertilizer can be applied in a broadcasting way, a furrow way or a vacant way according to the specific situation of the application site, the application part is separated from the seeds by 6-8cm, the phenomenon of root injury or seedling burning can be effectively avoided by enabling calcium, magnesium and phosphorus to avoid the seeds when the compound fertilizer is used, in addition, the novel mineral calcium, magnesium and phosphorus can be compounded with pig manure, sheep manure, cow manure and ammonium bicarbonate to push and wet for 7-10 days when the compound fertilizer is used, the dissolution of calcium, magnesium and phosphorus and organic matters is promoted under the action of microorganisms, the fertilizer application efficiency is improved, and the absorption of crops is facilitated.
Compared with the prior art, the novel mineral calcium magnesium phosphorus has the following advantages:
1. the novel calcium-magnesium-phosphorus-silicon dioxide mineral disclosed by the invention has high content and good cadmium reduction effect, the cadmium reduction amplitude is up to 50% -70%, the cadmium content of agricultural products can be reduced to be below the national standard, the yield and the quality of the agricultural products are greatly improved, the soil can be improved, and the pH value of acid soil is increased.
2. The novel mineral calcium magnesium phosphorus contains beneficial trace elements required by plant growth, can stimulate the seed germination, growth and development of plants, improve the root activity, promote the absorption and metabolism of nutrition, improve the chlorophyll content, enhance the photosynthesis and enhance the antioxidant, disease resistance and stress resistance of plants, and thus, the yield of the novel mineral calcium magnesium phosphorus can be increased by 7.5 to 15 percent compared with that of the conventional fertilizer.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs.
The present invention will be described in detail below.
The novel mineral calcium magnesium phosphorus is prepared from the following raw materials in parts by weight: 37-42 parts of phosphate rock, 5-7 parts of dolomite, 18-22 parts of silica and 6-10 parts of mineral humic acid.
Preferably, the content of each mineral element in the raw materials is as follows: 14-16% of phosphorus, 40-45% of calcium, 30-35% of silicon, 4-6% of magnesium and 1-3% of iron.
Preferably, the pH of each raw material is not less than 8.0-10.0%.
The preparation method of the novel mineral calcium magnesium phosphorus comprises the following steps:
(1) crushing 70% of phosphate rock, 10% of dolomite and 20% of silica by using a crusher respectively, putting the crushed raw materials into a drying furnace respectively to obtain coarse and fine ore raw materials, wherein the drying furnace is a rotary furnace, the furnace is protected from high temperature by using special water-resistant bricks so as to avoid damaging the furnace, then heating by using 8000 calorie coking coal fuel to increase the temperature in the furnace to 500-;
(2) mixing the coarse and fine ore raw materials obtained in the step (1), and adding fuel accounting for 30-35% of the total mass of the raw materials for preparing the novel calcium, magnesium and phosphorus minerals to obtain coarse and fine ore mixed raw materials to be treated by the furnace temperature;
(3) putting the crude ore mixed raw material to be treated in the step (2) into a blast furnace, and drying at a high temperature of 150 ℃ at 120-;
(4) standing the activated raw material to be treated obtained in the step (3) for a period of time to obtain a stable mineral activated raw material;
(5) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material;
(6) the ball-milling raw material and additive mineral source humic acid are mixed according to the proportion of 9:1 to obtain mineral novel calcium magnesium phosphorus, the mineral source humic acid is a novel calcium magnesium phosphorus activator, is homologous with soil, is the element with the most organic activity, is generally called natural fertilizer, has high nutritive value, has no harm to crops, has the functions of stimulating plant rooting, nourishing roots and root-forming, promoting flowers and fruits and enhancing chlorophyll symphysis, and also has the effects of balancing nutrition, improving yield, regulating PH and the like.
Preferably, the drying temperature in the step (5) is 120-.
Preferably, the use method of the mineral novel calcium magnesium phosphorus comprises the following steps: 80-150 kilograms of the compound fertilizer is used per mu, the compound fertilizer can be applied in a broadcasting way, a furrow way or a vacant way according to the specific situation of the application site, the application part is separated from the seeds by 6-8cm, the phenomenon of root injury or seedling burning can be effectively avoided by enabling calcium, magnesium and phosphorus to avoid the seeds when the compound fertilizer is used, in addition, the novel mineral calcium, magnesium and phosphorus can be compounded with pig manure, sheep manure, cow manure and ammonium bicarbonate to push and wet for 7-10 days when the compound fertilizer is used, the dissolution of calcium, magnesium and phosphorus and organic matters is promoted under the action of microorganisms, the fertilizer application efficiency is improved, and the absorption of crops is facilitated.
The cadmium reduction mechanism of the novel calcium magnesium phosphate mineral disclosed by the invention is as follows: 1. the mineral calcium magnesium phosphorus has chelation, but the conventional fertilizer does not have the chelation; 2. the pH value of the soil is increased, and the cadmium is dissolved in acid and insoluble in alkali, so that the activity of the cadmium is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A mineral calcium magnesium phosphorus and its preparation method, characterized by that: the novel calcium magnesium phosphate mineral is prepared from the following raw materials in parts by weight: 37-42 parts of phosphate rock, 5-7 parts of dolomite, 18-22 parts of silica and 6-10 parts of mineral humic acid.
2. The mineral calcium magnesium phosphate of claim 1, wherein: the content of each mineral element in the raw materials is as follows: 14-16% of phosphorus, 40-45% of calcium, 30-35% of silicon, 4-6% of magnesium and 1-3% of iron.
3. The mineral calcium magnesium phosphate of claim 1, wherein: the PH value of the raw materials is more than or equal to 8.0-10.0%.
4. The method for producing a mineral substance, novel calcium magnesium phosphorus, according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
(1) crushing 70% of phosphate ore, 10% of dolomite and 20% of silica by using a crusher respectively, and putting the crushed raw materials into a drying furnace respectively to obtain coarse and fine ore raw materials;
(2) mixing the coarse and fine ore raw materials obtained in the step (1), and adding fuel accounting for 30-35% of the total mass of the raw materials for preparing the novel calcium, magnesium and phosphorus minerals to obtain coarse and fine ore mixed raw materials to be treated by the furnace temperature;
(3) putting the crude ore mixed raw material to be treated in the step (2) into a blast furnace, and drying at a high temperature of 150 ℃ at 120-;
(4) standing the activated raw material to be treated obtained in the step (3) for a period of time to obtain a stable mineral activated raw material;
(5) and (4) drying and ball-milling the stable mineral substance activated raw material obtained in the step (4) to obtain a ball-milled raw material.
(6) Mixing the ball-milling raw materials with additive mineral source humic acid according to the proportion of 9:1 to obtain novel calcium magnesium phosphorus mineral.
5. The method for preparing the mineral calcium magnesium phosphate according to claim 4, wherein the mineral calcium magnesium phosphate is selected from the group consisting of: the drying temperature in the step (5) is 120-150 ℃, and the ball milling fineness in the step (5) is 180-200 meshes.
6. The method for preparing the mineral calcium magnesium phosphate according to claim 4, wherein the mineral calcium magnesium phosphate is selected from the group consisting of: the use method of the novel calcium magnesium phosphate mineral comprises the following steps: the fertilizer is applied by 80-150 kg per mu, and can be applied by broadcasting, furrow application or empty application according to the specific situation of the application site, and the application part is separated from the seeds by 6-8 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438267.4A CN111574286A (en) | 2020-05-21 | 2020-05-21 | Novel calcium magnesium phosphorus mineral and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438267.4A CN111574286A (en) | 2020-05-21 | 2020-05-21 | Novel calcium magnesium phosphorus mineral and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111574286A true CN111574286A (en) | 2020-08-25 |
Family
ID=72110342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010438267.4A Pending CN111574286A (en) | 2020-05-21 | 2020-05-21 | Novel calcium magnesium phosphorus mineral and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111574286A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636898A (en) * | 2021-08-30 | 2021-11-12 | 湖南裕国登农业综合开发有限公司 | Special mineral medium element cadmium-reducing fertilizer |
| CN114349570A (en) * | 2022-02-11 | 2022-04-15 | 瓮福（集团）有限责任公司 | Preparation method of calcium silicon fertilizer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876768A (en) * | 2015-05-18 | 2015-09-02 | 金正大诺泰尔化学有限公司 | Soil conditioner prepared by activating phosphate rock tailings by using organic/inorganic activators and preparation method thereof |
| CN107629798A (en) * | 2017-08-11 | 2018-01-26 | 湖南省土壤肥料研究所 | Acidic soil conditioner and application |
| CN110698288A (en) * | 2019-10-31 | 2020-01-17 | 湖南省土壤肥料研究所 | Mineral substance nutrition balance soil conditioner and preparation method thereof |
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2020
- 2020-05-21 CN CN202010438267.4A patent/CN111574286A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876768A (en) * | 2015-05-18 | 2015-09-02 | 金正大诺泰尔化学有限公司 | Soil conditioner prepared by activating phosphate rock tailings by using organic/inorganic activators and preparation method thereof |
| CN107629798A (en) * | 2017-08-11 | 2018-01-26 | 湖南省土壤肥料研究所 | Acidic soil conditioner and application |
| CN110698288A (en) * | 2019-10-31 | 2020-01-17 | 湖南省土壤肥料研究所 | Mineral substance nutrition balance soil conditioner and preparation method thereof |
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| Title |
|---|
| 王正银: "《肥料研制与加工》", 30 June 2011, 中国农业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636898A (en) * | 2021-08-30 | 2021-11-12 | 湖南裕国登农业综合开发有限公司 | Special mineral medium element cadmium-reducing fertilizer |
| CN114349570A (en) * | 2022-02-11 | 2022-04-15 | 瓮福（集团）有限责任公司 | Preparation method of calcium silicon fertilizer |
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Application publication date: 20200825 |