CN107857668A - A kind of calcium and magnesium fertilizer and its preparation method and application - Google Patents
A kind of calcium and magnesium fertilizer and its preparation method and application Download PDFInfo
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- CN107857668A CN107857668A CN201710914726.XA CN201710914726A CN107857668A CN 107857668 A CN107857668 A CN 107857668A CN 201710914726 A CN201710914726 A CN 201710914726A CN 107857668 A CN107857668 A CN 107857668A
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- Prior art keywords
- calcium
- magnesium
- zymotic fluid
- magnesium fertilizer
- fertilizer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of calcium and magnesium fertilizer, its composition of raw materials includes calcium/magnesium slag, acid-sludge and agricultural ferment zymotic fluid, the weight ratio of calcium/magnesium slag, acid-sludge and agricultural ferment zymotic fluid is the ︰ 1 of 2 ~ 3 ︰ 1, the composition of raw materials of wherein agricultural ferment zymotic fluid includes excrement of animals, blackstrap, urea and water, and excrement of animals, blackstrap, the weight ratio of urea and water are the ︰ 8 ~ 12 of 1 ︰, 0.8 ~ 1.2 ︰ 0.1 ~ 0.5；Present invention also offers its preparation method, including：（1）, agricultural ferment zymotic fluid preparation；（2）, it is inoculum fermented（3）, drying be granulated, produce；The present invention handles resulting calcium and magnesium fertilizer by acid-sludge, calcium/magnesium slag and agricultural ferment zymotic fluid composite fermentation, both solved acid-sludge resource maximally utilizes problem, and can enough effectively improves the biologicak efficiency of calcium and magnesium, the growth efficiency of crop is promoted, while the effective bacterium of soil, improved soil, the effect for preventing crop disease can also be provided.
Description
Technical field
The invention belongs to field of fertilizer production, and in particular to a kind of calcium and magnesium fertilizer and its preparation method and application.
Background technology
China is vast in territory, and soil types is more.For most of soil below the Changjiang river because rainfall is big, leaching is strong, different
The shortage for showing calcium, magnesium of degree.It can cause plant and calcium, magnesium are the more nutrients of demand of plant growth, during shortage
Immune decline and it is easily susceptible, and cause the underproduction and the quality decline of crops, particularly the missing of soil calcium, magnesium, can cause
Soil acidification, and a series of secondary soil problem is produced, high intensity plantation causes booth vegetable northern China year after year in recent years
Soil acidification problem it is also relevant with the loss of calcium and magnesium.
Often used in actual life, in the production process to make vinegar simultaneously largely rich in cellulose, hemicellulose
With the material of pectic substance, such as wheat bran, rice chaff (thick rice chaff), made in this, as major ingredient or filling auxiliary material, these compositions in vinegar
The utilization that is decomposed is difficult to during making, substantial amounts of acid-sludge can be produced after as a result causing vinegar brewing；For a long time, landfill is vinegar
The main processing ways of slag, it was reported that 1 ton of standard solid fermentation two level vinegar is often produced, 600-700kg acid-sludges will be produced,
Containing crude protein 6% one 10% in acid-sludge, crude fat 2% one 5%, NFE 20%~30%, coarse ash 13% one 17%.
It is existing and acid-sludge acidity is big, it is slow to rot, and is such as directly treated as garbage disposal and falls, both pollutes environment, cause a certain degree of waste again
Domestic and international researcher has certain research to the recycling of acid-sludge, is broadly divided into production forage protein, raw materials of soy sauce, cultivation
Train the recyclings such as matrix, tasty agents raw material and circulating and recovering, but these can not largely use acid-sludge, and consumption compared with
It is few, it is impossible to solve problem from substantial.
Although some on acid-sludge, agricultural ferment are happened occasionally using the report of problem, it is incorporated into being applied to calcium
Report is had no in the preparation of magnesium fertilizer, the application proposes a kind of calcium and magnesium fertilizer and its preparation method and application, utilizes special agriculture
Can solve above-mentioned technical problem to a certain degree with the calcium and magnesium fertilizer of ferment zymotic fluid combination acid-sludge, calcium/magnesium slag fermentation gained,
And there is excellent functional effect.
The content of the invention
Based on above-mentioned technical problem, the present invention provides a kind of calcium and magnesium fertilizer and its preparation method and application, it is intended to certain journey
Degree solves above-mentioned technical problem.
The present invention handles resulting calcium and magnesium fertilizer by acid-sludge, calcium/magnesium slag and agricultural ferment zymotic fluid composite fermentation,
On the one hand, the problem that maximally utilizes of acid-sludge resource is which solved, on the other hand, it can not only effectively improve the biology of calcium and magnesium
Efficiency (absorptivity), promotes the growth efficiency of crop, while can also provide the effective bacterium of soil, improved soil, prevention crop
The effect of disease.
To solve above technical problem, a kind of technical scheme that the present invention takes is as follows：
A kind of calcium and magnesium fertilizer, the composition of raw materials of the calcium and magnesium fertilizer include calcium/magnesium slag, and the raw material of the calcium and magnesium fertilizer is matched somebody with somebody
Side also includes acid-sludge and agricultural ferment zymotic fluid, and the weight ratio of the calcium/magnesium slag, acid-sludge and agricultural ferment zymotic fluid is 2~
The ︰ 1 of 3 ︰ 1, wherein the composition of raw materials of the agricultural ferment zymotic fluid includes excrement of animals, blackstrap, urea and water, the animal manure
Just, the weight ratio of blackstrap, urea and water is the ︰ 8~12 of 1 ︰, 0.8~1.2 ︰ 0.1~0.5.
In certain specific embodiments of the invention, the acid-sludge is powdery, and granularity is 10~30 mesh, the calcium/magnesium
The granularity of miberal powder is 80~120 mesh.
In certain specific embodiments of the invention, the agricultural ferment zymotic fluid by the excrement of animals, blackstrap,
Urea and water carry out fermentation after mixing and are made.
In certain specific embodiments of the invention, the calcium and magnesium fertilizer is by the acid-sludge, calcium/magnesium slag and agriculture
The tunning obtained with ferment zymotic fluid mixed fermentation.
Another technical scheme provided by the invention, a kind of preparation method of calcium and magnesium fertilizer described above, methods described bag
Include：
(1), the preparation of agricultural ferment zymotic fluid
After the excrement of animals, blackstrap, urea are mixed, water is added, is then sealed by fermentation, produces agricultural ferment
Plain zymotic fluid；
(2) it is, inoculum fermented
Mixed material is formed after the acid-sludge, calcium/magnesium slag are mixed, then the institute of dilution is added in the mixed material
Agricultural ferment zymotic fluid is stated, then with covered rearing with plastic film, sealing, moisturizing fermentation is carried out, produces rough calcium and magnesium fertilizer；
(3), drying is granulated
The rough calcium and magnesium fertilizer is dried, granulating and forming, obtain redistilled calcium magnesium fertilizer.
In certain specific embodiments of the invention, in the step (1), the water of addition is to be cooled down after boiling
To the water of normal temperature, the fermentation time of the sealing and fermenting is 30~40 days.
In certain specific embodiments of the invention, in the step (2), dilution is added in the mixed material
Until humidity is 80~95%, the fermentation time of the sealing, moisturizing fermentation is 100~300 times of the agricultural ferment zymotic fluid
40~60 days.
In certain specific embodiments of the invention, in the step (3), the water content of the redistilled calcium magnesium fertilizer
Less than 15%.
Another technical scheme provided by the invention, calcium and magnesium fertilizer as described above is in soil improvement, crop fertilization or pre-
Application in anti-crop disease.
In certain specific embodiments of the invention, the calcium and magnesium described in every mu of 20~30kg of administration when field crop is planted
Fertilizer；
The calcium and magnesium fertilizer described in every mu of 40~60kg of administration when veterinary antibiotics are planted；
Make base manure with the calcium and magnesium fertilizer in the field crop, vegetables site preparation, in fruit described in autumn, winter planting
Make base manure with the calcium and magnesium fertilizer.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：
1st, calcium and magnesium fertilizer of the invention solves the problems, such as that the acid-sludge resource that people thirst for solving always maximally utilizes, can
To cause acid-sludge to be widely used in calcium and magnesium fertilizer, the organic matter being rich in acid-sludge is sufficiently make use of, and acid-sludge coordinates agriculture
Fermented together obtained calcium and magnesium fertilizer with ferment zymotic fluid, calcium/magnesium slag, it is compared for the calcium and magnesium fertilizer sold in the market
With notable more preferable fertilizer efficiency, and raw material sources are extensive, cost is cheap, especially also act improved soil, prevention crop disease
Harmful effect, while the calcium and magnesium fertilizer of the present invention significantly improves absorptivity of the crop to mineral matters such as calcium, magnesium.
2nd, the preparation method of calcium and magnesium fertilizer of the invention, methods described include the preparation of step (1), zymotic fluid；(2), connect
Bacterium is fermented；(3), drying is granulated.On the one hand, the technique for preparing fertilizer is simple, cost is cheap, has saved substantial amounts of cost, and make
Standby calcium and magnesium fertilizer efficiency is notable, you can solves the problems, such as the current some areas soil deterioration in China, can also realize to crop
Fertilising, disease prevention；On the other hand, a large amount of uses of acid-sludge, blackstrap, excrement of animals, agree with the resource that country advocates at present and follow
Ring utilizes and ecodevelopment.
Embodiment
The present invention is further described with reference to specific embodiment, but the present invention is not limited to following implementation
Example.
In following embodiments, unless otherwise instructed, all raw materials are all from commercially available
The preparation of the calcium and magnesium fertilizer of embodiment 1
This example provides a kind of calcium and magnesium fertilizer, and in parts by weight, its composition of raw materials includes calcium/magnesium slag 2 that granularity is 80 mesh
Part (dolomite dust of Qingyang, anhui county Jin Mao mining industry Co., Ltd production), granularity are 1 part of acid-sludge (the permanent glad fertilizer in Zhenjiang of 10 mesh
Science and Technology Ltd., the acid-sludge after drying and processing) and 1 part of agricultural ferment zymotic fluid, wherein the agricultural ferment zymotic fluid
Composition of raw materials includes 1 part of excrement of animals, 0.8 part of blackstrap (newly gets over the Guangxi Guigang that available from chemical industry sale Co., Ltd in Changshu City
Sugar chemical factory product), 0.1 part of urea (the limited public affairs of Jiangsu Ling Gu chemical industry that available from this chemical materials Co., Ltd of Suzhou ALLRED
Take charge of production " clever paddy board ") and 8 parts of water, the water be the water that normal temperature is cooled to after boiling.The present embodiment excrement of animals is sheep manure
(the fertile organic fertilizer factory drying sheep manure of Xilinhot City).
The preparation method of calcium and magnesium fertilizer is as follows：
(1), the preparation of agricultural ferment zymotic fluid
After sheep manure, blackstrap, urea are mixed, water is added, is then sealed by fermentation 30 days, produces agricultural ferment fermentation
Liquid；
(2) it is, inoculum fermented
Mixed material is formed after the acid-sludge, calcium/magnesium slag are mixed, then dilution 100 is added in the mixed material
The agricultural ferment zymotic fluid again to humidity is 80%, is then fermented 40 days with covered rearing with plastic film, sealing, moisturizing, is produced thick
Calcium and magnesium fertilizer processed；
(3), drying is granulated
The rough calcium and magnesium fertilizer is dried, granulating and forming, control water content is less than 15%, obtains refined ca and mg fertilizer
Material.
The preparation of the calcium and magnesium fertilizer of embodiment 2
This example provides a kind of calcium and magnesium fertilizer, and in parts by weight, its composition of raw materials includes calcium/magnesium slag that granularity is 100 mesh
2.5 parts the dolomite dusts of production (Qingyang, anhui county Jin Mao mining industry Co., Ltds), (Zhenjiang perseverance is glad for 1 part of the acid-sludges of 20 mesh for granularity
Fertilizer Science and Technology Ltd., the acid-sludge after drying and processing) and 1 part of agricultural ferment zymotic fluid, wherein the agricultural ferment fermentation
The composition of raw materials of liquid includes 1 part of excrement of animals, (it is expensive that the Guangxi that available from chemical industry sale Co., Ltd is newly got over to 1 part of blackstrap by Changshu City
Port sugar chemical factory product), (the Jiangsu Ling Gu chemical industry that available from this chemical materials Co., Ltd of Suzhou ALLRED is limited for 0.24 part of urea
Company production " clever paddy board ") and 10 parts of water, the water be the water that normal temperature is cooled to after boiling.The present embodiment excrement of animals is chicken
Excrement (Suzhou fresh green source ecology chicken farm, antibiotic-free, hormone pollution cicken feces dried), calcium/magnesium slag, acid-sludge, blackstrap and urine
Element is the same as embodiment 1.
The preparation method of calcium and magnesium fertilizer is as follows：
(1), the preparation of agricultural ferment zymotic fluid
After chicken manure, blackstrap, urea are mixed, water is added, is then sealed by fermentation 35 days, produces agricultural ferment fermentation
Liquid；
(2) it is, inoculum fermented
Mixed material is formed after the acid-sludge, calcium/magnesium slag are mixed, then dilution 200 is added in the mixed material
The agricultural ferment zymotic fluid again to humidity is 90%, is then fermented 50 days with covered rearing with plastic film, sealing, moisturizing, is produced thick
Calcium and magnesium fertilizer processed；
(3), drying is granulated
The rough calcium and magnesium fertilizer is dried, granulating and forming, control water content is less than 15%, obtains refined ca and mg fertilizer
Material.
The preparation of the calcium and magnesium fertilizer of embodiment 3
This example provides a kind of calcium and magnesium fertilizer, and in parts by weight, its composition of raw materials includes calcium/magnesium slag 3 that granularity is 120 mesh
Part (dolomite dust of Qingyang, anhui county Jin Mao mining industry Co., Ltd production), granularity are 1 part of acid-sludge (the permanent glad fertilizer in Zhenjiang of 30 mesh
Science and Technology Ltd., the acid-sludge after drying and processing) and 1 part of agricultural ferment zymotic fluid, wherein the agricultural ferment zymotic fluid
Composition of raw materials includes 1 part of excrement of animals, 1.2 parts of blackstrap (newly gets over the Guangxi Guigang that available from chemical industry sale Co., Ltd in Changshu City
Sugar chemical factory product), 0.4 part of urea (the limited public affairs of Jiangsu Ling Gu chemical industry that available from this chemical materials Co., Ltd of Suzhou ALLRED
Take charge of production " clever paddy board ") and 12 parts of water, the water be the water that normal temperature is cooled to after boiling.The present embodiment excrement of animals is pig manure
(pig manure, no hormone, antibiotic pollution are dried in Zhejiang Huateng Animal Husbandry Co., Ltd.), calcium/magnesium slag, acid-sludge, blackstrap and urea
With embodiment 1.
The preparation method of calcium and magnesium fertilizer is as follows：
(1), the preparation of agricultural ferment zymotic fluid
After pig manure, blackstrap, urea are mixed, water is added, is then sealed by fermentation 40 days, produces agricultural ferment fermentation
Liquid；
(2) it is, inoculum fermented
Mixed material is formed after the acid-sludge, calcium/magnesium slag are mixed, then dilution 300 is added in the mixed material
The agricultural ferment zymotic fluid again to humidity is 95%, is then fermented 60 days with covered rearing with plastic film, sealing, moisturizing, is produced thick
Calcium and magnesium fertilizer processed；
(3), drying is granulated
The rough calcium and magnesium fertilizer is dried, granulating and forming, control water content is less than 15%, obtains refined ca and mg fertilizer
Material.
Comparative example 1
This example provides a kind of calcium and magnesium fertilizer, and the calcium and magnesium fertilizer only contains calcium/magnesium slag, and calcium/magnesium slag is the same as embodiment 1.
Comparative example 2
This example provides a kind of calcium and magnesium fertilizer, and it is substantially with embodiment 1, the difference is that the raw material of the calcium and magnesium fertilizer in this example is matched somebody with somebody
Agricultural ferment zymotic fluid is free of in side.
Comparative example 3
This example provides a kind of calcium and magnesium fertilizer, and it is substantially with embodiment 1, the difference is that the raw material of the calcium and magnesium fertilizer in this example is matched somebody with somebody
Acid-sludge is free of in side.
Comparative example 4
This example provides a kind of calcium and magnesium fertilizer, and it is substantially with comparative example 3, the difference is that the raw material of the calcium and magnesium fertilizer in this example is matched somebody with somebody
What the agricultural ferment zymotic fluid in side was prepared for commercially available agricultural ferment.
Application Example
By embodiment 1-3, comparative example 1-4,7 fertilizer, each fertilizer are applied to the soil of same type as base manure altogether
Ground, and each fertilizer is applied to 3 block size identical soils, plants wheat, plant growth shape is persistently detected eight middle of the month
Condition, the fertilizer efficiency situation of soil, the final testing result of each fertilizer take the average value on 3 pieces of ground.
Test result contrasts
From above test result, calcium and magnesium fertilizer prepared by the present invention causes wheat yield apparently higher than comparative example, soil
Earth total number of bacteria is also significantly greater than comparative example, and it can preferably improve soil, prevents corps diseases, while soil can also
Preferably reunite, soil porosity also reaches desirability.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (10)
1. a kind of calcium and magnesium fertilizer, the composition of raw materials of the calcium and magnesium fertilizer includes calcium/magnesium slag, it is characterised in that the ca and mg fertilizer
The composition of raw materials of material also includes acid-sludge and agricultural ferment zymotic fluid, the weight of the calcium/magnesium slag, acid-sludge and agricultural ferment zymotic fluid
It is the ︰ 1 of 2 ~ 3 ︰ 1 to measure ratio, wherein the composition of raw materials of the agricultural ferment zymotic fluid includes excrement of animals, blackstrap, urea and water, institute
The weight ratio for stating excrement of animals, blackstrap, urea and water is the ︰ 8 ~ 12 of 1 ︰, 0.8 ~ 1.2 ︰ 0.1 ~ 0.5.
2. calcium and magnesium fertilizer according to claim 1, it is characterised in that the acid-sludge is powdery, and granularity is 10 ~ 30 mesh, institute
The granularity for stating calcium/magnesium slag is 80 ~ 120 mesh.
3. calcium and magnesium fertilizer according to claim 1, it is characterised in that the agricultural ferment zymotic fluid is by the animal manure
Just, it is obtained to carry out fermentation for blackstrap, urea and water after mixing.
4. calcium and magnesium fertilizer according to claim 1, it is characterised in that the calcium and magnesium fertilizer is by the acid-sludge, calcium/magnesium ore deposit
The tunning that powder and agricultural ferment zymotic fluid mixed fermentation obtain.
5. the preparation method of a kind of calcium and magnesium fertilizer as described in any one of claim 1-4 claim, it is characterised in that described
Method includes：
（1）, agricultural ferment zymotic fluid preparation
After the excrement of animals, blackstrap, urea are mixed, water is added, is then sealed by fermentation, produce agricultural ferment hair
Zymotic fluid；
（2）, it is inoculum fermented
Mixed material is formed after the acid-sludge, calcium/magnesium slag are mixed, then the agriculture of dilution is added in the mixed material
With ferment zymotic fluid, then with covered rearing with plastic film, sealing, moisturizing fermentation is carried out, produces rough calcium and magnesium fertilizer；
（3）, drying be granulated
The rough calcium and magnesium fertilizer is dried, granulating and forming, obtain redistilled calcium magnesium fertilizer.
6. preparation method according to claim 5, it is characterised in that in the step（1）In, the water of addition is to boil
The water of normal temperature is cooled to after boiling, the fermentation time of the sealing and fermenting is 30 ~ 40 days.
7. preparation method according to claim 5, it is characterised in that the step（2）In, add in the mixed material
Enter the agricultural ferment zymotic fluid of 100 ~ 300 times of dilution until humidity is 80 ~ 95%, during the fermentation of sealing, moisturizing fermentation
Between be 40 ~ 60 days.
8. preparation method according to claim 5, it is characterised in that in the step（3）In, the redistilled calcium magnesium fertilizer
Water content be less than 15%.
9. the calcium and magnesium fertilizer as described in any one of claim 1-4 claim is in soil improvement, crop fertilization or prevention crop
Application in disease.
10. application according to claim 9, it is characterised in that when field crop is planted described in every mu of 20 ~ 30kg of administration
Calcium and magnesium fertilizer；
The calcium and magnesium fertilizer described in every mu of 40 ~ 60kg of administration when veterinary antibiotics are planted；
Make base manure with the calcium and magnesium fertilizer in the field crop, vegetables site preparation, institute is used in fruit described in autumn, winter planting
State calcium and magnesium fertilizer and make base manure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914726.XA CN107857668A (en) | 2017-09-30 | 2017-09-30 | A kind of calcium and magnesium fertilizer and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914726.XA CN107857668A (en) | 2017-09-30 | 2017-09-30 | A kind of calcium and magnesium fertilizer and its preparation method and application |
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| Publication Number | Publication Date |
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| CN107857668A true CN107857668A (en) | 2018-03-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529573A (en) * | 2014-12-30 | 2015-04-22 | 北海万物盛生物技术开发有限公司 | Multi-effect ferment fertilizer prepared from agricultural wastes |
| CN106673734A (en) * | 2016-12-20 | 2017-05-17 | 钦州市高新技术产业服务中心 | Preparation method of high-calcium organic fermented fertilizer |
| CN107032871A (en) * | 2016-12-02 | 2017-08-11 | 甘肃赫博陇药科技有限责任公司 | A kind of environment-friendly type organic fertilizer and preparation method thereof |
-
2017
- 2017-09-30 CN CN201710914726.XA patent/CN107857668A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104529573A (en) * | 2014-12-30 | 2015-04-22 | 北海万物盛生物技术开发有限公司 | Multi-effect ferment fertilizer prepared from agricultural wastes |
| CN107032871A (en) * | 2016-12-02 | 2017-08-11 | 甘肃赫博陇药科技有限责任公司 | A kind of environment-friendly type organic fertilizer and preparation method thereof |
| CN106673734A (en) * | 2016-12-20 | 2017-05-17 | 钦州市高新技术产业服务中心 | Preparation method of high-calcium organic fermented fertilizer |
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