CN106631447A - Fertilizer containing magnesium sulfate and preparation method thereof - Google Patents
Fertilizer containing magnesium sulfate and preparation method thereof Download PDFInfo
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- CN106631447A CN106631447A CN201611178818.8A CN201611178818A CN106631447A CN 106631447 A CN106631447 A CN 106631447A CN 201611178818 A CN201611178818 A CN 201611178818A CN 106631447 A CN106631447 A CN 106631447A
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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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a fertilizer containing magnesium sulfate. The fertilizer is prepared from the following raw materials in parts by weight: 5 to 8 parts of urea, 20 to 30 parts of potassium nitrate, 10 to 15 parts of potassium monohydrogenphosphate, 10 to 15 parts of monoammonium phosphate, 5 to 8 parts of diatomite, 0.1 to 0.3 part of potassium borate, 0.3 to 0.5 part of magnesium sulfate, 0.1 to 0.2 part of calcium chloride, 0.1 to 0.2 part of zinc sulfate, 0.3 to 0.5 part of sodium molybdate, 4 to 6 parts of polyvinyl alcohol, 20 to 30 parts of soybean straws, 8 to 10 parts of soya bean meal, 8 to 10 parts of manioc waste, 0.2 to 0.3 part of EM microbial inoculums and 12 to 18 parts of film coating materials. The invention also discloses a preparation method of the fertilizer containing magnesium sulfate. The fertilizer provided by the invention has the advantages that the rich and balance nutrition is provided; the growth is promoted; through adsorption and film covering, the release speed of inorganic fertilizers can be regulated, so that the requirements of crops on nutrients can be met; the loss of a great number of inorganic fertilizers and the environment pollution are avoided.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly to a kind of fertilizer of containing magnesium sulfate and preparation method thereof.
Background technology
For the crops of nitrate nitrogen are easily absorbed, in order to increase the yield of crops, people's Chang great Liang administrationizations
Fertilizer, but chemical fertilizer is easily outflowed with water, and causes the environmental problems such as body eutrophication, soil compaction, and in addition nitrogen can be with NO3 -、
NO2 -Cause the drinking water and Nitrate in Vegetable and content of nitrite in many areas exceeded into underground water etc. form, seriously
Human health is threaten, Jing nitrification and denitrifications act on the greenhouse gases NO to be formed2Air can be polluted again.Therefore need
A kind of new fertilizer is provided.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of fertilizer and its preparation side of containing magnesium sulfate
Method, the present invention is cooperated by each material, there is provided abundant nutrition in a balanced way, promotes crop growth, and by adsorbing and wrapping
Film, adjusts the rate of release of inorganic fertilizer so as to adapt to demand of the crops to nutrient, it is to avoid a large amount of losses of inorganic fertilizer
With the pollution to environment, and can it is loose improve soil, be conducive to the growth of root system and the absorption of nutrient.
A kind of fertilizer of containing magnesium sulfate proposed by the present invention, its raw material includes by weight：Urea 5-8 parts, potassium nitrate 20-
30 parts, potassium phosphate,monobasic 10-15 parts, ammonium dihydrogen phosphate 10-15 parts, diatomite 5-8 parts, potassium borate 0.1-0.3 parts, magnesium sulfate
0.3-0.5 parts, calcium chloride 0.1-0.2 parts, zinc sulfate 0.1-0.2 parts, sodium molybdate 0.3-0.5 parts, polyvinyl alcohol 4-6 parts, soybean
Stalk 20-30 parts, dregs of beans 8-10 parts, manioc waste 8-10 parts, EM bacteria agent 0.2-0.3 part, coated fertilizer 12-18 parts.
Preferably, its raw material includes by weight：Urea 6-7 parts, potassium nitrate 22-28 parts, potassium phosphate,monobasic 11-13 parts,
Ammonium dihydrogen phosphate 12-14 parts, diatomite 6-7 parts, potassium borate 0.15-0.25 parts, magnesium sulfate 0.35-0.45 parts, calcium chloride 0.12-
0.18 part, zinc sulfate 0.13-0.17 parts, sodium molybdate 0.35-0.45 parts, polyvinyl alcohol 4.5-5.5 parts, soybean stalk 23-27 parts,
Dregs of beans 8.5-9.5 parts, manioc waste 8.5-9.5 parts, EM bacteria agent 0.22-0.28 part, coated fertilizer 14-16 parts.
Preferably, urea is 10-20 mesh, and diatomite is 200-300 mesh, and coated fertilizer is 100-150 mesh.
Preferably, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water molten
Solution, adjusts pH, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, and is subsequently adding polyvinyl alcohol mixing,
Heat up, insulated and stirred is dried to obtain coated fertilizer.
Preferably, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water molten
Solution, adjusts pH=6.5-7.5, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, and is subsequently adding poly- second
Enol is mixed, and is warming up to 70-80 DEG C, and insulated and stirred 3-4h dry, pulverize and obtain coated fertilizer.
Preferably, in the preparation process of coated fertilizer, with sodium hydrate aqueous solution pH=6.5-7.5 is adjusted.
Preferably, in the preparation process of coated fertilizer, itaconic acid, acrylic acid, ammonium persulfate, N, N- methylene bisacrylamides
Acid amides, humic acid, the weight ratio of polyvinyl alcohol are 9-11：36-44：0.2-0.3：0.11-0.14：3-3.7：1.5-1.8.
The invention allows for the preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, it is warming up to 35-37
DEG C, 40-60 days are incubated, dry, pulverize and obtain fertilizer；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
Even, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Preferably, it is secondary per amalgamation is turned within 5-6 days in the insulating process of S1.
Preferably, in S1, in the EM bacteria agent aqueous solution, the weight ratio of EM bacteria agent and water is 0.2-0.3：14-20.
Preferably, in S2, drying temperature is 30-40 DEG C.
Above-mentioned EM bacteria agent can be buied from the market.
In the preparation process of above-mentioned coated fertilizer, water does not specify its consumption as reaction dissolvent, is determined according to concrete operations
Its consumption.
In the preparation method of the fertilizer of above-mentioned containing magnesium sulfate, do not specify to be atomized water consumption, soak surface of material.
The present invention, with proper ratio cooperation, provides balanced nutritious by each material for crops, promotes crop growth；Greatly
Beanstalk stalk, dregs of beans, manioc waste obtain fertilizer Jing after EM bacteria agent fermentation maturity, can with chesson, improve soil environment and carry
For abundant nutrient and the fissional active material of promotion, so as to promote the growth of root system and branches and leaves；By diatomite
Coat and adsorb each inorganic fertilizer and form spheric granules, then spheric granules surface, and and coated fertilizer are adhered to polyvinyl alcohol
Adhesion, so as to inorganic material be wrapped up, is acted on by the scattering and permeating of diatomaceous suction-operated and film layer, have adjusted nothing
The rate of release of machine fertilizer, so as to avoid a large amount of losses of inorganic fertilizer, it is to avoid the pollution to environment；From itaconic acid, third
Olefin(e) acid copolymerization, and grafting polyvinyl alcohol and humic acid are closed by carboxyl and hydroxyl bond, so as to improve the water solubility of coated fertilizer, make
Obtain inorganic fertilizer to diffuse to outside film with appropriate speed, adapt to demand of the crops to nutrient；Humic acid in coated fertilizer with have
Machine fertilizer cooperates, and can improve soil, adjusts soil pH so that soil environment is more suitable for crop growth；The present invention is logical
Cross each material to cooperate, there is provided abundant nutrition in a balanced way, promote growth, and by absorption and coating, adjust inorganic fertilizer
Rate of release so as to adapt to demand of the crops to nutrient, it is to avoid a large amount of losses and the pollution to environment of inorganic fertilizer, and
Loose soil be can improve, the growth of root system and the absorption of nutrient are conducive to.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of fertilizer of containing magnesium sulfate, its raw material includes by weight：6.5 parts of urea, 25 parts of potassium nitrate, potassium phosphate,monobasic
12 parts, 13 parts of ammonium dihydrogen phosphate, 6.5 parts of diatomite, 0.2 part of potassium borate, 0.4 part of magnesium sulfate, 0.15 part of calcium chloride, zinc sulfate
0.15 part, 0.4 part of sodium molybdate, 5 parts of polyvinyl alcohol, 25 parts of soybean stalk, 9 parts of dregs of beans, 9 parts of manioc waste, 0.25 part of EM bacteria agent, bag
15 parts of membrane material.
The preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 36 DEG C are warming up to, protect
Temperature 50 days, dry, pulverize and obtain fertilizer；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
Even, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Embodiment 2
A kind of fertilizer of containing magnesium sulfate, its raw material includes by weight：10 8 parts of mesh urea, 20 parts of potassium nitrate, the hydrogen of phosphoric acid one
15 parts of potassium, 10 parts of ammonium dihydrogen phosphate, 300 5 parts of mesh diatomite, 0.3 part of potassium borate, 0.3 part of magnesium sulfate, 0.2 part of calcium chloride, sulfuric acid
0.1 part of zinc, 0.5 part of sodium molybdate, 4 parts of polyvinyl alcohol, 30 parts of soybean stalk, 8 parts of dregs of beans, 10 parts of manioc waste, 0.2 part of EM bacteria agent,
150 12 parts of mesh coated fertilizers；
Wherein, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving,
PH=7.5 is adjusted with sodium hydrate aqueous solution, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, then
Add polyvinyl alcohol to mix, be warming up to 70 DEG C, insulated and stirred 4h dry, pulverize and obtain coated fertilizer, wherein, itaconic acid, propylene
Acid, ammonium persulfate, N, N- methylene-bisacrylamides, humic acid, the weight ratio of polyvinyl alcohol are 9：44：0.2：0.14：3：
1.8。
The preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 35 DEG C are warming up to, protect
Temperature 60 days, dry, pulverize and obtain fertilizer, wherein, in insulating process, amalgamation time, in the EM bacteria agent aqueous solution, EM bacterium were turned over per 5 days
The weight ratio of agent and water is 0.3：14；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
It is even, 40 DEG C are warming up to, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Embodiment 3
A kind of fertilizer of containing magnesium sulfate, its raw material includes by weight：20 5 parts of mesh urea, 30 parts of potassium nitrate, the hydrogen of phosphoric acid one
10 parts of potassium, 15 parts of ammonium dihydrogen phosphate, 200 8 parts of mesh diatomite, 0.1 part of potassium borate, 0.5 part of magnesium sulfate, 0.1 part of calcium chloride, sulfuric acid
0.2 part of zinc, 0.3 part of sodium molybdate, 6 parts of polyvinyl alcohol, 20 parts of soybean stalk, 10 parts of dregs of beans, 8 parts of manioc waste, 0.3 part of EM bacteria agent,
100 18 parts of mesh coated fertilizers；
Wherein, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving,
PH=6.5 is adjusted with sodium hydrate aqueous solution, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, then
Add polyvinyl alcohol to mix, be warming up to 80 DEG C, insulated and stirred 3h dry, pulverize and obtain coated fertilizer, wherein, itaconic acid, propylene
Acid, ammonium persulfate, N, N- methylene-bisacrylamides, humic acid, the weight ratio of polyvinyl alcohol are 11：36：0.3：0.11：3.7：
1.5。
The preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 37 DEG C are warming up to, protect
Temperature 40 days, dry, pulverize and obtain fertilizer, wherein, in insulating process, amalgamation time, in the EM bacteria agent aqueous solution, EM bacterium were turned over per 6 days
The weight ratio of agent and water is 0.2：20；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
It is even, 30 DEG C are warming up to, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Embodiment 4
A kind of fertilizer of containing magnesium sulfate, its raw material includes by weight：10 7 parts of mesh urea, 22 parts of potassium nitrate, the hydrogen of phosphoric acid one
13 parts of potassium, 12 parts of ammonium dihydrogen phosphate, 300 6 parts of mesh diatomite, 0.25 part of potassium borate, 0.35 part of magnesium sulfate, 0.18 part of calcium chloride,
0.13 part of zinc sulfate, 0.45 part of sodium molybdate, 4.5 parts of polyvinyl alcohol, 27 parts of soybean stalk, 8.5 parts of dregs of beans, 9.5 parts of manioc waste, EM
0.22 part of microbial inoculum, 150 14 parts of mesh coated fertilizers；
Wherein, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving,
PH=7.2 is adjusted with sodium hydrate aqueous solution, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, then
Add polyvinyl alcohol to mix, be warming up to 72 DEG C, insulated and stirred 3.7h dry, pulverize and obtain coated fertilizer, wherein, itaconic acid, third
Olefin(e) acid, ammonium persulfate, N, N- methylene-bisacrylamides, humic acid, the weight ratio of polyvinyl alcohol are 9.5：42：0.22：0.13：
3.2：1.7.
The preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 35 DEG C are warming up to, protect
Temperature 55 days, dry, pulverize and obtain fertilizer, wherein, in insulating process, amalgamation time, in the EM bacteria agent aqueous solution, EM bacterium were turned over per 5 days
The weight ratio of agent and water is 0.22：18；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
It is even, 33 DEG C are warming up to, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Embodiment 5
A kind of fertilizer of containing magnesium sulfate, its raw material includes by weight：20 6 parts of mesh urea, 28 parts of potassium nitrate, the hydrogen of phosphoric acid one
11 parts of potassium, 14 parts of ammonium dihydrogen phosphate, 200 7 parts of mesh diatomite, 0.15 part of potassium borate, 0.45 part of magnesium sulfate, 0.12 part of calcium chloride,
0.17 part of zinc sulfate, 0.35 part of sodium molybdate, 5.5 parts of polyvinyl alcohol, 23 parts of soybean stalk, 9.5 parts of dregs of beans, 8.5 parts of manioc waste, EM
0.28 part of microbial inoculum, 100 16 parts of mesh coated fertilizers；
Wherein, in the preparation process of coated fertilizer, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving,
PH=6.8 is adjusted with sodium hydrate aqueous solution, adds ammonium persulfate, N, N- methylene-bisacrylamides, humic acid to mix, then
Add polyvinyl alcohol to mix, be warming up to 78 DEG C, insulated and stirred 3.3h dry, pulverize and obtain coated fertilizer, wherein, itaconic acid, third
Olefin(e) acid, ammonium persulfate, N, N- methylene-bisacrylamides, humic acid, the weight ratio of polyvinyl alcohol are 10.5：38：0.28：
0.12：3.5：1.6.
The preparation method of the fertilizer of containing magnesium sulfate described above, comprises the steps：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 37 DEG C are warming up to, protect
Temperature 45 days, dry, pulverize and obtain fertilizer, wherein, in insulating process, amalgamation time, in the EM bacteria agent aqueous solution, EM bacterium were turned over per 6 days
The weight ratio of agent and water is 0.28：16；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, phosphoric acid
Ammonium dihydrogen, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Add in spherical particle poly-
Vinyl alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix
It is even, 37 DEG C are warming up to, drying adds the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
Test example 1
Rate of release detection is carried out to embodiment 1-5, it is as a result as follows：
As can be seen from the above table, slow-release function of the present invention is good.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of fertilizer of containing magnesium sulfate, it is characterised in that its raw material includes by weight：Urea 5-8 parts, potassium nitrate 20-30
Part, potassium phosphate,monobasic 10-15 parts, ammonium dihydrogen phosphate 10-15 parts, diatomite 5-8 parts, potassium borate 0.1-0.3 parts, magnesium sulfate 0.3-
0.5 part, calcium chloride 0.1-0.2 parts, zinc sulfate 0.1-0.2 parts, sodium molybdate 0.3-0.5 parts, polyvinyl alcohol 4-6 parts, soybean stalk
20-30 parts, dregs of beans 8-10 parts, manioc waste 8-10 parts, EM bacteria agent 0.2-0.3 part, coated fertilizer 12-18 parts.
2. the fertilizer of containing magnesium sulfate according to claim 1, it is characterised in that urea is 10-20 mesh, and diatomite is 200-
300 mesh, coated fertilizer is 100-150 mesh.
3. the fertilizer of containing magnesium sulfate according to claim 1 or claim 2, it is characterised in that in the preparation process of coated fertilizer,
In nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving, adjust pH, add ammonium persulfate, N, N- methylene bisacrylamide acyls
Amine, humic acid are mixed, and are subsequently adding polyvinyl alcohol mixing, are heated up, and insulated and stirred is dried to obtain coated fertilizer.
4. according to any one of claim 1-3 containing magnesium sulfate fertilizer, it is characterised in that in the preparation process of coated fertilizer
In, in nitrogen atmosphere, itaconic acid, acrylic acid are added to the water into dissolving, pH=6.5-7.5 is adjusted, add ammonium persulfate, N, N-
Methylene-bisacrylamide, humic acid are mixed, and are subsequently adding polyvinyl alcohol mixing, are warming up to 70-80 DEG C, insulated and stirred 3-4h,
Dry, pulverize and obtain coated fertilizer.
5. according to claim 3 or 4 containing magnesium sulfate fertilizer, it is characterised in that in the preparation process of coated fertilizer, use
Sodium hydrate aqueous solution adjusts pH=6.5-7.5.
6. according to any one of claim 3-5 containing magnesium sulfate fertilizer, it is characterised in that in the preparation process of coated fertilizer
In, itaconic acid, acrylic acid, ammonium persulfate, N, N- methylene-bisacrylamides, humic acid, the weight ratio of polyvinyl alcohol are 9-11：
36-44：0.2-0.3：0.11-0.14：3-3.7：1.5-1.8.
7. a kind of preparation method of the fertilizer of the containing magnesium sulfate as described in any one of claim 1-6, it is characterised in that including as follows
Step：
S1, soybean stalk, dregs of beans, manioc waste are mixed, it is sterilized, add the EM bacteria agent aqueous solution to mix, 35-37 DEG C is warming up to, protect
Warm 40-60 days, dry, pulverize and obtain fertilizer；
S2, urea is taken, sprinkling atomized water soaks urea surface, adds diatomite, potassium nitrate, potassium phosphate,monobasic, biphosphate
Ammonium, potassium borate, magnesium sulfate, calcium chloride, zinc sulfate, sodium molybdate are uniformly mixed so as to obtain spherical particle；Polyethylene is added in spherical particle
Alcohol is uniformly mixed so as to obtain intermediate particle；Intermediate particle moistened surface is made to intermediate particle sprinkling atomized water, adds coated fertilizer to mix, dried
It is dry, add the fertilizer obtained in S1 to be uniformly mixed so as to obtain the fertilizer of containing magnesium sulfate.
8. the preparation method of the fertilizer of containing magnesium sulfate according to claim 7, it is characterised in that in the insulating process of S1,
It is secondary per amalgamation is turned within 5-6 days.
9. according to claim 7 or 8 fertilizer of containing magnesium sulfate preparation method, it is characterised in that in S1, EM bacteria agent water
In solution, the weight ratio of EM bacteria agent and water is 0.2-0.3：14-20.
10. according to any one of claim 7-9 the fertilizer of containing magnesium sulfate preparation method, it is characterised in that in S2, dry
Dry temperature is 30-40 DEG C.
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Application publication date: 20170510 |