CN108929159A - A kind of high-efficiency compound fertilizer of seedling growth and preparation method thereof - Google Patents
A kind of high-efficiency compound fertilizer of seedling growth and preparation method thereof Download PDFInfo
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- CN108929159A CN108929159A CN201810853372.7A CN201810853372A CN108929159A CN 108929159 A CN108929159 A CN 108929159A CN 201810853372 A CN201810853372 A CN 201810853372A CN 108929159 A CN108929159 A CN 108929159A
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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Abstract
The invention discloses a kind of high-efficiency compound fertilizer of seedling growth, the raw material including following parts by weight: 34-38 parts of base-material, 18-22 parts of sodium bentonite, 14-18 parts of rice hull ash, 18-22 parts of potassium breeze, modified sodalite 12-16 parts, 5-9 parts of grandidierite soil, 3-5 parts of faujasite, 2-4 parts of epoxidized soybean oil, 2-4 parts of conch meal, 10-14 parts of deionized water.Base-material of the present invention is arranged in pairs or groups using organic-inorganic compound fertilizer, sufficient nutritional ingredient is improved for seedling growth, simultaneously by matching a large amount of mineral soil as raw material of the invention, it is rich in a large amount of microelement in mineral soil, while after treatment, there is very high activity, mutual associated between raw material, promote the growth of nursery stock, while the method for preparing fertilizer is simple, is suitble to medium-sized and small enterprises production.
Description
Technical field
The present invention relates to technical field of fertilizers, and in particular to a kind of high-efficiency compound fertilizer of seedling growth and its preparation side
Method.
Background technique
Nursery stock is the sapling with root system and seedling stem, no matter all sapling age sizes cultivated in nursery, be not out of the garden
Before, all claim nursery stock, nursery stock type: seedling, planting stock, nursery transplant, reserved bed seedling, nursery stock can also be according to shrubs point
Class, generally relatively more in northern arbor seedling, southern shrub is relatively more, and this is mainly due to caused by growth weather；And nursery stock
The use for be unableing to do without fertilizer is grown, therefore concentrated fertilizer can promote nursery stock fast-growth, Miao Nongke realizes harvest in short term, then mentions
The income of Gao Miaonong.
Existing Chinese patent literature (publication number: CN108314558A) discloses a kind of stock growing fertilizer and its preparation
Method is related to seedling growth field, the raw material including following parts by weight meter: 15-20 parts of bentonite, 8-15 parts of expanded perlite,
4-9 parts of fish-bone material, 5-10 parts of Chinese medicine slag, 5-10 parts of mushroom residue, 2-5 parts of acid-sludge, 10-16 parts of feces of livestock and poultry, 4-9 parts of coconut husk, wood
1.2-2.5 parts of quality sulfoacid calcium, 0.8-1.5 parts of poloxamer, 4-9 parts of epoxidized soybean oil, 0.5-1.2 parts of trace mineral supplement
With 0.1-0.5 parts of growth promoter, which is arranged in pairs or groups using conventional raw material, and then fertilizer efficiency is apparent.
Chinese patent literature (publication number: CN107266255B) discloses a kind of afforestation high nutrition environment-protective compound fertilizer and matches
Side and the preparation method and application thereof, which includes 45-75 parts of humic acid, 25-35 parts of urea, 5-15 parts of potassium nitrate, phosphoric acid one
7-14 parts of ammonium, 5-12 parts of dipotassium hydrogen phosphate, 10-20 parts of ammonium bicarbonate, 8-18 parts of magnesium sulfate and 5-10 parts of sodium citrate, molybdenum trisulfate 3-
13 parts, 5-19 parts of calcium silicates, 8-19 parts of ammonium phosphate iron, 1-10 parts of EDTA chelated zinc, raw material is different, and proportion is different, the property of fertilizer
Can be different, the present invention passes through multiple groups experimental demonstration, develops the fertilizer suitable for seedling growth.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of high-efficiency compound fertilizer of seedling growth and its
Preparation method, which can promote nursery stock and grows in a short time, while the method for preparing fertilizer is simple, be suitble to medium-sized and small enterprises raw
It produces, use value with higher and good application prospect.
The present invention solves technical problem and adopts the following technical scheme that
The present invention provides a kind of high-efficiency compound fertilizer of seedling growth, the raw material including following parts by weight:
34-38 parts of base-material, 18-22 parts of sodium bentonite, 14-18 parts of rice hull ash, 18-22 parts of potassium breeze, modified sodalite
12-16 parts, 5-9 parts of grandidierite soil, 3-5 parts of faujasite, 2-4 parts of epoxidized soybean oil, 2-4 parts of conch meal, deionized water 10-14
Part.
Preferably, the high-efficiency compound fertilizer of the seedling growth includes the raw material of following parts by weight:
36-38 parts of base-material, 20-22 parts of sodium bentonite, 16-18 parts of rice hull ash, 20-22 parts of potassium breeze, modified sodalite
14-16 parts, 7-9 parts of grandidierite soil, 4-5 parts of faujasite, 2-4 parts of epoxidized soybean oil, 3-4 parts of conch meal, deionized water 12-14
Part.
Preferably, the high-efficiency compound fertilizer of the seedling growth includes the raw material of following parts by weight:
36 parts of base-material, 20 parts of sodium bentonite, 16 parts of rice hull ash, 20 parts of potassium breeze, modified 14 parts of sodalite, grandidierite soil
7 parts, 4 parts of faujasite, 3 parts of epoxidized soybean oil, 3 parts of conch meal, 12 parts of deionized water.
Preferably, the base-material includes following raw material:
34-38 parts of fertile soil, 24-28 parts of molasses alcohol waste liquid dry powder, 16-22 parts of edible mushroom, 12-16 parts of potassium fulvate,
6-10 parts of urea, 4-8 parts of monoammonium phosphate, 3-5 parts of plant ash, 1-3 parts of acid-sludge, 1-2 parts of ferrous sulfate, 5-9 parts of calcium superphosphate.
Preferably, the base-material includes following raw material:
36 parts of fertile soil, 26 parts of molasses alcohol waste liquid dry powder, 19 parts of edible mushroom, 14 parts of potassium fulvate, 8 parts of urea, phosphoric acid
6 parts of monoammonium, 4 parts of plant ash, 2 parts of acid-sludge, 1.5 parts of ferrous sulfate, 7 parts of calcium superphosphate.
Preferably, the modified sodalite preparation method is to carry out sodalite to be milled to partial size being 14-20 mesh, is added to
It is stirred in magnetic stirring apparatus, volcanic ash is then added, then it is 20-30% dilute sulfuric acid that mass fraction is added thereto, then is used
Sodium hydroxide is neutralized to neutrality, and ethyl alcohol progress ultrasonic disperse then is being added, is dispersing 5-10min, then is filtering to get modified sodium boiling
Stone.
Preferably, the grandidierite soil is fish-eye stone, mullite according to weight ratio (5-8): the mixture of 2 compositions.
Preferably, the mixture that the grandidierite soil is fish-eye stone, mullite is formed according to weight ratio 6.5:2.
The present invention also provides a kind of methods of high-efficiency compound fertilizer for preparing seedling growth, comprising the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 350-450r/min, stirs 35-45min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 650-750r/min mixing time 1-2 hours, is re-fed into pelletizer and is granulated,
Dry the high-efficiency compound fertilizer to get seedling growth of the invention.
Preferably, the seedling growth high-efficiency compound fertilizer the preparation method comprises the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 400r/min, stirs 40min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 700r/min mixing time 1.5 hours, is re-fed into pelletizer and is granulated, and dries
The dry high-efficiency compound fertilizer to get seedling growth of the invention.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) base-material of the present invention is arranged in pairs or groups using organic-inorganic compound fertilizer, improves sufficient nutritional ingredient for seedling growth,
Simultaneously by matching a large amount of mineral soil as raw material of the invention, it is rich in a large amount of microelement in mineral soil, is passed through simultaneously
After processing, there is very high activity, mutual associated between raw material promotes the growth of nursery stock, while the method for preparing fertilizer is simple,
It is suitble to medium-sized and small enterprises production.
(2) sodalite contains a variety of macro- and trace-elements such as calcium, magnesium, potassium, sodium, and is honeycombed grain, by modification
It handles, is neutralized again after volcanic ash is acidified in processing, its activity can be improved, while its surface area is big, enhance and sought in sodalite
Support the release of substance.
(3) it is obtained from embodiment 3 and comparative example 1-4, plant height increment of the present invention, after January of applying fertilizer, relative to comparative example 4,
0.7cm is improved, applies fertilizer after March, improves 1.4cm, the long increase rate of leaf improves 13.8%, it is known that fertilizer of the invention is to seedling
Wood growth tool is greatly improved.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of high-efficiency compound fertilizer of the seedling growth of the present embodiment, the raw material including following parts by weight:
36 parts of base-material, 20 parts of sodium bentonite, 16 parts of rice hull ash, 20 parts of potassium breeze, modified 14 parts of sodalite, grandidierite soil
7 parts, 4 parts of faujasite, 2 parts of epoxidized soybean oil, 3 parts of conch meal, 12 parts of deionized water.
The base-material of the present embodiment includes following raw material:
34 parts of fertile soil, 24 parts of molasses alcohol waste liquid dry powder, 16 parts of edible mushroom, 12 parts of potassium fulvate, 6 parts of urea, phosphoric acid
4 parts of monoammonium, 3 parts of plant ash, 1 part of acid-sludge, 1 part of ferrous sulfate, 5 parts of calcium superphosphate.
The modification sodalite preparation method of the present embodiment is to carry out sodalite to be milled to partial size being 14 mesh, is added to magnetic force
It is stirred in blender, volcanic ash is then added, then it is 20% dilute sulfuric acid that mass fraction is added thereto, then uses sodium hydroxide
It is neutralized to neutrality, ethyl alcohol progress ultrasonic disperse then is being added, is dispersing 5min, then filter to get modified sodalite.
The mixture that the grandidierite soil of the present embodiment is fish-eye stone, mullite is formed according to weight ratio 5:2.
A kind of method of the high-efficiency compound fertilizer for preparing seedling growth of the present embodiment, comprising the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 350r/min, stirs 35min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 650r/min mixing time 1 hour, is re-fed into pelletizer and is granulated, drying,
Up to the high-efficiency compound fertilizer of seedling growth of the invention.
Embodiment 2.
A kind of high-efficiency compound fertilizer of the seedling growth of the present embodiment, the raw material including following parts by weight:
38 parts of base-material, 22 parts of sodium bentonite, 18 parts of rice hull ash, 22 parts of potassium breeze, modified 16 parts of sodalite, grandidierite soil
9 parts, 5 parts of faujasite, 4 parts of epoxidized soybean oil, 4 parts of conch meal, 14 parts of deionized water.
The base-material of the present embodiment includes following raw material:
38 parts of fertile soil, 28 parts of molasses alcohol waste liquid dry powder, 22 parts of edible mushroom, 16 parts of potassium fulvate, 10 parts of urea, phosphoric acid
8 parts of monoammonium, 5 parts of plant ash, 3 parts of acid-sludge, 2 parts of ferrous sulfate, 9 parts of calcium superphosphate.
The modification sodalite preparation method of the present embodiment is to carry out sodalite to be milled to partial size being 20 mesh, is added to magnetic force
It is stirred in blender, volcanic ash is then added, then it is 30% dilute sulfuric acid that mass fraction is added thereto, then uses sodium hydroxide
It is neutralized to neutrality, ethyl alcohol progress ultrasonic disperse then is being added, is dispersing 10min, then filter to get modified sodalite.
The mixture that the grandidierite soil of the present embodiment is fish-eye stone, mullite is formed according to weight ratio 8:2.
A kind of method of the high-efficiency compound fertilizer for preparing seedling growth of the present embodiment, comprising the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 450r/min, stirs 45min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 750r/min mixing time 2 hours, is re-fed into pelletizer and is granulated, drying,
Up to the high-efficiency compound fertilizer of seedling growth of the invention.
The high-efficiency compound fertilizer of the seedling growth of the present embodiment the preparation method comprises the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 400r/min, stirs 40min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 700r/min is used for mixing time 1.5 hours to get seedling growth of the invention
High-efficiency compound fertilizer.
Embodiment 3.
A kind of high-efficiency compound fertilizer of the seedling growth of the present embodiment, the raw material including following parts by weight:
36 parts of base-material, 20 parts of sodium bentonite, 16 parts of rice hull ash, 20 parts of potassium breeze, modified 14 parts of sodalite, grandidierite soil
7 parts, 4 parts of faujasite, 3 parts of epoxidized soybean oil, 3 parts of conch meal, 12 parts of deionized water.
The base-material of the present embodiment includes following raw material:
36 parts of fertile soil, 26 parts of molasses alcohol waste liquid dry powder, 19 parts of edible mushroom, 14 parts of potassium fulvate, 8 parts of urea, phosphoric acid
6 parts of monoammonium, 4 parts of plant ash, 2 parts of acid-sludge, 1.5 parts of ferrous sulfate, 7 parts of calcium superphosphate.
The modification sodalite preparation method of the present embodiment is to carry out sodalite to be milled to partial size being 17 mesh, is added to magnetic force
It is stirred in blender, volcanic ash is then added, then it is 25% dilute sulfuric acid that mass fraction is added thereto, then uses sodium hydroxide
It is neutralized to neutrality, ethyl alcohol progress ultrasonic disperse then is being added, is dispersing 7.5min, then filter to get modified sodalite.
The mixture that the grandidierite soil of the present embodiment is fish-eye stone, mullite is formed according to weight ratio 6.5:2.
A kind of method of the high-efficiency compound fertilizer for preparing seedling growth of the present embodiment, comprising the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil,
Conch meal sequentially adds in high-speed mixer, revolving speed 400r/min, stirs 40min, and mixture A is made；
Mixture A, sodium bentonite, deionized water are sequentially added and are added in high-speed mixer, be sufficiently stirred by step 3
So that all material is uniformly mixed, mixing speed 700r/min mixing time 1.5 hours, is re-fed into pelletizer and is granulated, and dries
The dry high-efficiency compound fertilizer to get seedling growth of the invention.
Comparative example 1.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with modified sodalite.
Comparative example 2.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with grandidierite soil.
Comparative example 3.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that being not added with sodium bentonite.
Comparative example 4.
A kind of stock growing fertilizer and its preparation are disclosed using Chinese patent literature (publication number: CN108314558A)
The raw material and method of embodiment 1 in method.
Embodiment 3 and comparative example 1-4 the performance test results are as follows
It is obtained from embodiment 3 and comparative example 1-4, plant height increment of the present invention, applies fertilizer after January, relative to comparative example 4, mention
High 0.7cm, applies fertilizer after March, improves 1.4cm, the long increase rate of leaf improves 13.8%, it is known that fertilizer of the invention is to nursery stock
Growth tool is greatly improved.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of high-efficiency compound fertilizer of seedling growth, which is characterized in that the raw material including following parts by weight:
34-38 parts of base-material, 18-22 parts of sodium bentonite, 14-18 parts of rice hull ash, 18-22 parts of potassium breeze, modified sodalite 12-16
Part, 5-9 parts of grandidierite soil, 3-5 parts of faujasite, 2-4 parts of epoxidized soybean oil, 2-4 parts of conch meal, 10-14 parts of deionized water.
2. a kind of high-efficiency compound fertilizer of seedling growth according to claim 1, which is characterized in that the seedling growth
High-efficiency compound fertilizer includes the raw material of following parts by weight:
36-38 parts of base-material, 20-22 parts of sodium bentonite, 16-18 parts of rice hull ash, 20-22 parts of potassium breeze, modified sodalite 14-16
Part, 7-9 parts of grandidierite soil, 4-5 parts of faujasite, 2-4 parts of epoxidized soybean oil, 3-4 parts of conch meal, 12-14 parts of deionized water.
3. a kind of high-efficiency compound fertilizer of seedling growth according to claim 2, which is characterized in that the seedling growth
High-efficiency compound fertilizer includes the raw material of following parts by weight:
36 parts of base-material, 20 parts of sodium bentonite, 16 parts of rice hull ash, 20 parts of potassium breeze, modified 14 parts of sodalite, 7 parts of grandidierite soil,
4 parts of faujasite, 3 parts of epoxidized soybean oil, 3 parts of conch meal, 12 parts of deionized water.
4. a kind of high-efficiency compound fertilizer of seedling growth according to claim 1, which is characterized in that the base-material includes
Following raw material:
34-38 parts of fertile soil, 24-28 parts of molasses alcohol waste liquid dry powder, 16-22 parts of edible mushroom, 12-16 parts of potassium fulvate, urea
6-10 parts, 4-8 parts of monoammonium phosphate, 3-5 parts of plant ash, 1-3 parts of acid-sludge, 1-2 parts of ferrous sulfate, 5-9 parts of calcium superphosphate.
5. a kind of high-efficiency compound fertilizer of seedling growth according to claim 4, which is characterized in that the base-material includes
Following raw material:
36 parts of fertile soil, 26 parts of molasses alcohol waste liquid dry powder, 19 parts of edible mushroom, 14 parts of potassium fulvate, 8 parts of urea, monoammonium phosphate 6
Part, 4 parts of plant ash, 2 parts of acid-sludge, 1.5 parts of ferrous sulfate, 7 parts of calcium superphosphate.
6. a kind of high-efficiency compound fertilizer of seedling growth according to claim 1, which is characterized in that the modified sodium boiling
Preparation Method made of stones is to carry out sodalite to be milled to partial size being 14-20 mesh, is added in magnetic stirring apparatus and is stirred, and is then added
Enter volcanic ash, then it is 20-30% dilute sulfuric acid that mass fraction is added thereto, then is neutralized to neutrality with sodium hydroxide, is then being added
Enter ethyl alcohol and carry out ultrasonic disperse, disperse 5-10min, then filters to get modified sodalite.
7. a kind of high-efficiency compound fertilizer of seedling growth according to claim 1, which is characterized in that the grandidierite soil
It is fish-eye stone, mullite according to weight ratio (5-8): the mixture of 2 compositions.
8. a kind of high-efficiency compound fertilizer of seedling growth according to claim 7, which is characterized in that the grandidierite soil
The mixture formed for fish-eye stone, mullite according to weight ratio 6.5:2.
9. a kind of method for the high-efficiency compound fertilizer for preparing seedling growth as claimed in claim 1 or 2, which is characterized in that
The following steps are included:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil, shell
Powder sequentially adds in high-speed mixer, revolving speed 350-450r/min, stirs 35-45min, and mixture A is made；
Step 3, by mixture A, sodium bentonite, deionized water sequentially add be added high-speed mixer in, be sufficiently stirred so that
All material is uniformly mixed, and mixing speed 650-750r/min mixing time 1-2 hours, is re-fed into pelletizer and is granulated, and is dried
The dry high-efficiency compound fertilizer to get seedling growth of the invention.
10. a kind of preparation method of the high-efficiency compound fertilizer of seedling growth according to claim 9, which is characterized in that
The high-efficiency compound fertilizer of the seedling growth the preparation method comprises the following steps:
Step 1 weighs each component raw material as required；
Step 2, by base-material, rice hull ash, potassium breeze, modified sodalite, grandidierite soil, faujasite, epoxidized soybean oil, shell
Powder sequentially adds in high-speed mixer, revolving speed 400r/min, stirs 40min, and mixture A is made；
Step 3, by mixture A, sodium bentonite, deionized water sequentially add be added high-speed mixer in, be sufficiently stirred so that
All material is uniformly mixed, and mixing speed 700r/min mixing time 1.5 hours, is re-fed into pelletizer and is granulated, drying, i.e.,
Obtain the high-efficiency compound fertilizer of seedling growth of the invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109627095A (en) * | 2019-01-18 | 2019-04-16 | 来剑锋 | A kind of park maintenance fertilizer and the plant crusher for making park maintenance fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109627095A (en) * | 2019-01-18 | 2019-04-16 | 来剑锋 | A kind of park maintenance fertilizer and the plant crusher for making park maintenance fertilizer |
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