CN106495849A - A kind of organic biofertilizer and preparation method thereof - Google Patents
A kind of organic biofertilizer and preparation method thereof Download PDFInfo
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- CN106495849A CN106495849A CN201610901990.5A CN201610901990A CN106495849A CN 106495849 A CN106495849 A CN 106495849A CN 201610901990 A CN201610901990 A CN 201610901990A CN 106495849 A CN106495849 A CN 106495849A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to fertilizer preparation field, specially a kind of organic biofertilizer and preparation method thereof, which includes the component of following parts by weight：50 ~ 80 parts of sheep excrement, 10 ~ 40 parts of crop material, 10 ~ 30 parts of cake fertilizer, 15 ~ 30 parts of green manure, 10 ~ 20 parts of river silt, 4 ~ 10 parts of mushroom dreg, 2 ~ 6 parts of kelp residue, 3 ~ 8 parts of phosphorus citric acid waste, 3 ~ 8 parts of manioc waste, 1 ~ 5 part of alditol slag, 2 ~ 10 parts of amino acid humic acid, 1 ~ 5 part of oyster shell whiting, 1 ~ 3 part of trace element；Raw material of the present invention is more rich, so the nutrient needed for plant growth is comprehensively, effect more preferably, compares traditional fertilizer, and fertilizer efficiency is long, can increase and update the soil organism, promotes microbial reproduction, improves the physicochemical property and biologically active of soil, more environmental protection.
Description
Technical field
The present invention relates to fertilizer preparation field, specially a kind of organic biofertilizer and preparation method thereof.
Background technology
Organic bio-fertilizer is mainly derived from plant and animal, and it is containing for its major function to impose on soil to provide plant nutrient
Carbon material, through biological substance, animals and plants discarded object, plant residue processing, eliminates poisonous and harmful substance therein, is rich in
A large amount of benefit materials, multiple organic acids, peptides and including the abundant nutrient including nitrogen, phosphorus, potassium can not only be farming
Thing provides full nutrition, and fertilizer efficiency is long, can increase and update the soil organism, promotes microbial reproduction, improves the reason of soil
Change property and biologically active, be the Main Nutrients of pollution-free food production.
A kind of organic biofertilizer of prior art and preparation method thereof（CN201510737661.7）, including following following weight
The raw material of amount part：30 ~ 55 parts of stalk powder, 20 ~ 35 parts of bentonite, 15 ~ 30 parts of microbial bacterial agent, 10 ~ 25 parts of trace element, mistake
8 ~ 17 parts of calcium phosphate, 3 ~ 7 parts of humic acid, 2 ~ 5 parts of bacillus bacterium solution, 1 ~ 5 part of surfactant, 0 ~ 3 part of adhesive.Meanwhile,
The method that above-mentioned organic biofertilizer is prepared by batch fermentation is applicant also disclosed, the method production process is simple, obtains
To organic biofertilizer can effectively improve soil fertility, it is to avoid the extensive gleying of soil, effectively improve soil fertility
Organic biofertilizer, pollution-free nuisanceless, with preferable promotion prospect.
A kind of organic biofertilizer of another prior art（CN201410158812.9）, the organic biofertilizer is by following matter
Amount percentage group is grouped into：Fermentation poultry dung 85%-88%, bentonite 8%-10%, humic acid 2%-7%.The present invention also provides a kind of powder
Shape organic biofertilizer, is grouped into by each group of following mass percent：Fermentation poultry dung 80%-90%, humic acid 6%-10%, sawdust
4%-10%.The organic biofertilizer of the present invention can improve inorganic fertilizer rich in after various trace elements, with inorganic fertilizer compounding application
Utilization rate and utilization ratio, in the case where yield is not reduced, reduce the consumption of inorganic fertilizer.In fertilizer amount identical situation
Under, yield can be improved.
The organic biofertilizer raw material of prior art is single, and the nutritive element content needed for its plant is not comprehensive enough, fertilizer efficiency
Undesirable.
Content of the invention
In view of this, the present invention provides a kind of organic biofertilizer and preparation method thereof, and the present invention is with sheep excrement, crop straw
Stalk, cake fertilizer, green manure with primary raw material, coordinate add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, tapioca starch, alditol slag,
Amino acid humic acid, oyster shell whiting, trace element, raw material are more rich, so the nutrient needed for plant growth is comprehensively, effect is more preferable,
Traditional fertilizer is compared, fertilizer efficiency is long, can increase and update the soil organism, promoted microbial reproduction, improve the physics and chemistry of soil
Property and biologically active, more environmental protection.
According to the first aspect of the invention, there is provided a kind of organic biofertilizer, it include the component of following parts by weight：Sheep
50 ~ 80 parts of excrement, 10 ~ 40 parts of crop material, 10 ~ 30 parts of cake fertilizer, 15 ~ 30 parts of green manure, 10 ~ 20 parts of river silt, 4 ~ 10 parts of mushroom dreg,
2 ~ 6 parts of kelp residue, 3 ~ 8 parts of phosphorus citric acid waste, 3 ~ 8 parts of manioc waste, 1 ~ 5 part of alditol slag, 2 ~ 10 parts of amino acid humic acid, oyster shell whiting
1 ~ 5 part, 1 ~ 3 part of trace element.
One kind as the present invention is preferred, and a kind of organic biofertilizer, it include the component of following parts by weight：Sheep excrement 70
Part, 20 parts of crop material, 20 parts of cake fertilizer, 25 parts of green manure, 15 parts of river silt, 5 parts of mushroom dreg, 3 parts of kelp residue, phosphorus citric acid waste 3
Part, 6 parts of cassava, 2 parts of alditol slag, 4 parts of amino acid humic acid, 1 part of oyster shell whiting, 2 parts of trace element.
Further, the cake fertilizer be rape cake, cottonseed cake, soya-bean cake, sesame-send cake, castor cake, the one kind in tea seed cake or
Multiple any mixing.
Further, the green manure that the green manure is made for legume.
Further, the trace element is boracic, molybdenum, zinc, copper, manganese, any mixing of ferro element at least four.
Further, described trace element for borax, molybdenum ore, Copper Ores, braunite etc. than mixing.
According to the second aspect of the invention, there is provided a kind of preparation method of organic biofertilizer, which includes：
（1）Each raw material is weighed by weight；
（2）Make cake fertilizer：Cake fertilizer raw material is inserted in container, the amount of being put into is 2/3rds or so of container, adds water in container,
Make cake fertilizer raw material drench, in vessel port plastic film seal, container is placed on natural in the environment that temperature is 25 ~ 35 degrees Celsius
Fermentation, 25 ~ 30 days, takes out when odorless and dries, and ground；
（3）Make green manure：Legume is switched to the uniform cataclasm of below 5cm, selects to fit plant according to the water content of plant
When dry or spray water so as to water content be in 60 ~ 70%, by cut-out after plant heap grow up 3 ~ 5 meters, wide 2 ~ 3 meters, high by 1.3 ~
1.6 meters of fermentation heap, adds a cover gas permeability covering on fermentation heap, when temperature reaches more than 70 degree, overturns once, after one day
Overturn again once, overturn again once after three days, after fermentation heap temperature drop and temperature is to after 30 ~ 40 degree, fermentation heap is spread out,
Microelement powder is added, post-drying clamp dog is well mixed；
（4）Crop material is crushed and fresh sheep excrement mixes, add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, cassava
Powder, alditol slag, amino acid humic acid, oyster shell whiting be well mixed after, dry make granular after be mixed in cake fertilizer；
（5）The raw material mixing that step 3, step 4 are made, makes required form.
Beneficial effects of the present invention：The present invention with primary raw material, is coordinated and adds river with sheep excrement, crop material, cake fertilizer, green manure
Mud, mushroom dreg, kelp residue, phosphorus citric acid waste, tapioca starch, alditol slag, amino acid humic acid, oyster shell whiting, trace element, raw material
More rich, so the nutrient needed for plant growth is comprehensively, effect more preferably, compares traditional fertilizer, and fertilizer efficiency is long, can increase and more
The new soil organism, promotes microbial reproduction, improves the physicochemical property and biologically active of soil, more environmental protection.
Specific embodiment
It is an object of the invention to provide a kind of organic biofertilizer and preparation method thereof, the present invention with sheep excrement, crop material,
Cake fertilizer, green manure are coordinated and are added river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, tapioca starch, alditol slag, ammonia with primary raw material
Base sour phytic acid, oyster shell whiting, trace element, raw material are more rich, so the nutrient needed for plant growth is comprehensively, effect is more preferable, phase
Than traditional fertilizer, fertilizer efficiency is long, can increase and update the soil organism, promotes microbial reproduction, improves the physics and chemistry of soil
Matter and biologically active, more environmental protection.
According to the first aspect of the invention, there is provided a kind of organic biofertilizer, it include the component of following parts by weight：Sheep
50 ~ 80 parts of excrement, 10 ~ 40 parts of crop material, 10 ~ 30 parts of cake fertilizer, 15 ~ 30 parts of green manure, 10 ~ 20 parts of river silt, 4 ~ 10 parts of mushroom dreg,
2 ~ 6 parts of kelp residue, 3 ~ 8 parts of phosphorus citric acid waste, 3 ~ 8 parts of manioc waste, 1 ~ 5 part of alditol slag, 2 ~ 10 parts of amino acid humic acid, oyster shell whiting
1 ~ 5 part, 1 ~ 3 part of trace element.
One kind as the present invention is preferred, and a kind of organic biofertilizer, it include the component of following parts by weight：Sheep excrement 70
Part, 20 parts of crop material, 20 parts of cake fertilizer, 25 parts of green manure, 15 parts of river silt, 5 parts of mushroom dreg, 3 parts of kelp residue, phosphorus citric acid waste 3
Part, 6 parts of cassava, 2 parts of alditol slag, 4 parts of amino acid humic acid, 1 part of oyster shell whiting, 2 parts of trace element.
Further, the cake fertilizer be rape cake, cottonseed cake, soya-bean cake, sesame-send cake, castor cake, the one kind in tea seed cake or
Multiple any mixing.
Further, the green manure that the green manure is made for legume.
Further, the trace element is boracic, molybdenum, zinc, copper, manganese, any mixing of ferro element at least four.
Further, described trace element for borax, molybdenum ore, Copper Ores, braunite etc. than mixing.
According to the second aspect of the invention, there is provided a kind of preparation method of organic biofertilizer, which includes：
（1）Each raw material is weighed by weight；
（2）Make cake fertilizer：Cake fertilizer raw material is inserted in container, the amount of being put into is 2/3rds or so of container, adds water in container,
Make cake fertilizer raw material drench, in vessel port plastic film seal, container is placed on natural in the environment that temperature is 25 ~ 35 degrees Celsius
Fermentation, 25 ~ 30 days, takes out when odorless and dries, and ground；
（3）Make green manure：Legume is switched to the uniform cataclasm of below 5cm, selects to fit plant according to the water content of plant
When dry or spray water so as to water content be in 60 ~ 70%, by cut-out after plant heap grow up 3 ~ 5 meters, wide 2 ~ 3 meters, high by 1.3 ~
1.6 meters of fermentation heap, adds a cover gas permeability covering on fermentation heap, when temperature reaches more than 70 degree, overturns once, after one day
Overturn again once, overturn again once after three days, after fermentation heap temperature drop and temperature is to after 30 ~ 40 degree, fermentation heap is spread out,
Microelement powder is added, post-drying clamp dog is well mixed；
（4）Crop material is crushed and fresh sheep excrement mixes, add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, cassava
Powder, alditol slag, amino acid humic acid, oyster shell whiting be well mixed after, dry make granular after be mixed in cake fertilizer；
（5）The raw material mixing that step 3, step 4 are made, makes required form.
In order that those skilled in the art are better understood from the technical scheme in the application, come below in conjunction with embodiment
Technical scheme is clearly and completely described, it is clear that described embodiment is only the part of the application
Embodiment, based on the application in embodiment, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, should all belong to the scope of the application protection.
Embodiment 1
A kind of organic biofertilizer, it include the component of following parts by weight：50 parts of sheep excrement, 10 parts of crop material, 10 parts of cake fertilizer,
15 parts of green manure, 10 parts of river silt, 4 parts of mushroom dreg, 2 parts of kelp residue, 3 parts of phosphorus citric acid waste, 3 parts of manioc waste, 1 part of alditol slag, ammonia
2 parts of base sour phytic acid, 1 part of oyster shell whiting, 1 part of trace element.
In embodiment 1, the cake fertilizer mixes for the grade ratio of rape cake, cottonseed cake and soya-bean cake.
In embodiment 1, the green manure that the green manure is made for legume.
In embodiment 1, the trace element is boracic, molybdenum, zinc, any mixing of copper.
Its preparation method includes：
（1）Each raw material is weighed by weight；
（2）Make cake fertilizer：Cake fertilizer raw material is inserted in container, the amount of being put into is 2/3rds or so of container, adds water in container,
Make cake fertilizer raw material drench, in vessel port plastic film seal, container is placed in the environment that temperature is 30 degrees Celsius and is sent out naturally
Ferment, 30 days, takes out when odorless and dries, and ground；
（3）Make green manure：Legume is switched to the uniform cataclasm of 3cm, selects suitably to dry plant according to the water content of plant
Dry or spray water so as to which that water content is in 65%, by cut-out after plant heap grow up 3 meters, wide 2 meters, high 1.3 meters of fermentation heap,
Gas permeability covering is added a cover on fermentation heap, when temperature reaches 70 degree, is overturned once, is overturned again once, after three days again after one day
Overturn once, after fermentation heap temperature drop and temperature is to after 30 ~ 40 degree, fermentation heap is spread out, add microelement powder, mix
Uniform post-drying clamp dog；
（4）Crop material is crushed and fresh sheep excrement mixes, add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, cassava
Powder, alditol slag, amino acid humic acid, oyster shell whiting be well mixed after, dry make granular after be mixed in cake fertilizer；
（5）The raw material mixing that step 3, step 4 are made, makes bulk.
Embodiment 2
A kind of organic biofertilizer, it include the component of following parts by weight：80 parts of sheep excrement, 40 parts of crop material, 30 parts of cake fertilizer,
30 parts of green manure, 20 parts of river silt, 10 parts of mushroom dreg, 4 parts of kelp residue, 5 parts of phosphorus citric acid waste, 5 parts of manioc waste, 3 parts of alditol slag, ammonia
6 parts of base sour phytic acid, 4 parts of oyster shell whiting, 3 parts of trace element.
In example 2, the trace element is borax, molybdenum ore, Copper Ores, the mixing of braunite, and its mixing ratio
Example is 3:2:2:3.
Its preparation method includes：
（1）Each raw material is weighed by weight；
（2）Make cake fertilizer：Cake fertilizer raw material is inserted in container, the amount of being put into is 2/3rds or so of container, adds water in container,
Make cake fertilizer raw material drench, in vessel port plastic film seal, container is placed in the environment that temperature is 25 degrees Celsius and is sent out naturally
Ferment, 30 days, takes out when odorless and dries, and ground；
（4）Make green manure：Legume is switched to the uniform cataclasm of 2cm, selects suitably to dry plant according to the water content of plant
Dry or spray water so as to which that water content is in 70%, by cut-out after plant heap grow up 4 meters, wide 2 meters, high 1.5 meters of fermentation heap,
Gas permeability covering is added a cover on fermentation heap, when temperature reaches more than 70 degree, is overturned once, is overturned again once, three days after one day
Overturn again once afterwards, after fermentation heap temperature drop and temperature is to after 30 ~ 40 degree, fermentation heap spread out, add microelement powder,
It is well mixed post-drying clamp dog；
（4）Crop material is crushed and fresh sheep excrement mixes, add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, cassava
Powder, alditol slag, amino acid humic acid, oyster shell whiting be well mixed after, dry make granular after be mixed in cake fertilizer；
（5）The raw material mixing that step 3, step 4 are made, makes granular.
Finally illustrate, only in order to technical scheme to be described and unrestricted, this area is common for above example
Other modifications or equivalent that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover in the middle of scope of the presently claimed invention.
Claims (7)
1. a kind of organic biofertilizer, it is characterised in that：Which includes the component of following parts by weight：50 ~ 80 parts of sheep excrement, crop straw
10 ~ 40 parts of stalk, 10 ~ 30 parts of cake fertilizer, 15 ~ 30 parts of green manure, 10 ~ 20 parts of river silt, 4 ~ 10 parts of mushroom dreg, 2 ~ 6 parts of kelp residue, phosphorus lemon
3 ~ 8 parts of lemon acid sludge, 3 ~ 8 parts of manioc waste, 1 ~ 5 part of alditol slag, 2 ~ 10 parts of amino acid humic acid, 1 ~ 5 part of oyster shell whiting, trace element 1 ~
3 parts.
2. a kind of organic biofertilizer according to claim 1, it is characterised in that：Which includes the group of following parts by weight
Point：70 parts of sheep excrement, 20 parts of crop material, 20 parts of cake fertilizer, 25 parts of green manure, 15 parts of river silt, 5 parts of mushroom dreg, 3 parts of kelp residue, phosphorus
3 parts of citric acid waste, 6 parts of cassava, 2 parts of alditol slag, 4 parts of amino acid humic acid, 1 part of oyster shell whiting, 2 parts of trace element.
3. a kind of organic biofertilizer according to claim 1 and 2, it is characterised in that：The cake fertilizer is rape cake, cottonseed
One or more any mixing in cake, soya-bean cake, sesame-send cake, castor cake, tea seed cake.
4. a kind of organic biofertilizer according to claim 1 and 2, it is characterised in that：The green manure is legume system
Into green manure.
5. a kind of organic biofertilizer according to claim 1 and 2, it is characterised in that：Described trace element for boracic,
Molybdenum, zinc, copper, manganese, any mixing of ferro element at least four.
6. a kind of organic biofertilizer according to claim 5, it is characterised in that：Described trace element for borax, molybdenum ore,
Copper Ores, braunite etc. than mixing.
7. a kind of preparation method of organic biofertilizer, it is characterised in which includes：
Each raw material is weighed by weight；
Make cake fertilizer：Cake fertilizer raw material is inserted in container, the amount of being put into is 2/3rds or so of container, adds water, make in container
Cake fertilizer raw material drenches, and in vessel port plastic film seal, container is placed in the environment that temperature is 25 ~ 35 degrees Celsius and is sent out naturally
Ferment, 25 ~ 30 days, takes out when odorless and dries, and ground；
Make green manure：Legume is switched to the uniform cataclasm of below 5cm, selects suitably to dry plant according to the water content of plant
Dry or spray water so as to which that water content is in 60 ~ 70%, by cut-out after plant heap grow up 3 ~ 5 meters, wide 2 ~ 3 meters, high 1.3 ~ 1.6 meters
Fermentation heap, add a cover gas permeability covering on fermentation heap, when temperature reaches more than 70 degree, overturn once, turned over after one day again
Once, overturn again once after three days, after fermentation heap temperature drop and temperature is to after 30 ~ 40 degree, fermentation heap is spread out, add
Microelement powder, is well mixed post-drying clamp dog；
By crop material crush and fresh sheep excrement mix, add river silt, mushroom dreg, kelp residue, phosphorus citric acid waste, tapioca starch,
Alditol slag, amino acid humic acid, oyster shell whiting be well mixed after, dry make granular after be mixed in cake fertilizer；
The raw material mixing that step 3, step 4 are made, makes required form.
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| CN201610901990.5A CN106495849A (en) | 2016-10-17 | 2016-10-17 | A kind of organic biofertilizer and preparation method thereof |
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| CN201610901990.5A CN106495849A (en) | 2016-10-17 | 2016-10-17 | A kind of organic biofertilizer and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409405A (en) * | 2018-06-21 | 2018-08-17 | 苏州蓝碧农产品发展有限公司 | A kind of natural environmental-protective green compoiste fertilizer |
| CN108569939A (en) * | 2018-06-15 | 2018-09-25 | 黄少邱 | A kind of green organic tea planting fertilizer and preparation method thereof |
| CN110467504A (en) * | 2019-09-10 | 2019-11-19 | 宝鸡文理学院 | A kind of Agro-ecology fertilizer |
| CN112661576A (en) * | 2020-12-30 | 2021-04-16 | 山东绿宝珠生物肥业有限公司 | Preparation method of environment-friendly organic compound fertilizer |
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| CN102718593A (en) * | 2011-03-29 | 2012-10-10 | 訾兆举 | Production method for dual acid chelate organic compound fertilizer |
| CN104291907A (en) * | 2014-10-23 | 2015-01-21 | 姜海艳 | Oligostachyum lubricum fertilizer and preparation method thereof |
| CN104292056A (en) * | 2014-10-23 | 2015-01-21 | 姜海艳 | Ficus carica fertilizer and preparation method thereof |
| CN104355801A (en) * | 2014-10-23 | 2015-02-18 | 姜海艳 | Pepper fertilizer and preparing method thereof |
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- 2016-10-17 CN CN201610901990.5A patent/CN106495849A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718593A (en) * | 2011-03-29 | 2012-10-10 | 訾兆举 | Production method for dual acid chelate organic compound fertilizer |
| CN104291907A (en) * | 2014-10-23 | 2015-01-21 | 姜海艳 | Oligostachyum lubricum fertilizer and preparation method thereof |
| CN104292056A (en) * | 2014-10-23 | 2015-01-21 | 姜海艳 | Ficus carica fertilizer and preparation method thereof |
| CN104355801A (en) * | 2014-10-23 | 2015-02-18 | 姜海艳 | Pepper fertilizer and preparing method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569939A (en) * | 2018-06-15 | 2018-09-25 | 黄少邱 | A kind of green organic tea planting fertilizer and preparation method thereof |
| CN108409405A (en) * | 2018-06-21 | 2018-08-17 | 苏州蓝碧农产品发展有限公司 | A kind of natural environmental-protective green compoiste fertilizer |
| CN110467504A (en) * | 2019-09-10 | 2019-11-19 | 宝鸡文理学院 | A kind of Agro-ecology fertilizer |
| CN112661576A (en) * | 2020-12-30 | 2021-04-16 | 山东绿宝珠生物肥业有限公司 | Preparation method of environment-friendly organic compound fertilizer |
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