CN106396973A - Film-coated long-acting slow release fertilizer and preparation method thereof - Google Patents
Film-coated long-acting slow release fertilizer and preparation method thereof Download PDFInfo
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- CN106396973A CN106396973A CN201610917920.9A CN201610917920A CN106396973A CN 106396973 A CN106396973 A CN 106396973A CN 201610917920 A CN201610917920 A CN 201610917920A CN 106396973 A CN106396973 A CN 106396973A
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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
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- 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
-
- 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
- C05G5/36—Layered or coated, e.g. dust-preventing coatings layered or coated with sulfur
-
- 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
-
- 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
- C05G5/38—Layered or coated, e.g. dust-preventing coatings layered or coated with wax or resins
Abstract
The invention provides a film-coated long-acting slow release fertilizer which comprises water soluble fertilizer granules, natural organic films, inorganic films and wax films, wherein the outsides of the soluble fertilizer granules are coated with the natural organic films, the outsides of the natural organic films are coated with the inorganic films, and the wax films are taken as sealing agents; the natural organic films are formed by compounding natural materials with the main ingredient of lignin and a binding agent according to the proportion; the natural materials with the main ingredient of the lignin are mainly prepared from the natural organic matters of the lignin, humic acid, medical stone, kaolin and zeolite powder. The invention further provides a preparation method of the film-coated long-acting slow release fertilizer. The film-coated long-acting slow release fertilizer has the advantages that the cost is low, the environment is not polluted, and the slow releasing time is long. The releasing time of the film-coated long-acting slow release fertilizer is 4-6 times of that of ordinary urea film-coated sulfur under the condition of the same releasing amount.
Description
Technical field
The present invention relates to Agricultural Fertilizer field, specifically, it is related to a kind of peplos sustained slow-release fertilizer and preparation method thereof.
Background technology
Coated urea refer to the surface of inorganic fertilizer apply last layer than less soluble coated fertilizer (as paraffin, butadiene,
Isoprene, polyvinyl alcohol, the copolymer of diene or polymer, resin) form peplos, it be at present mainly the delaying of exploitation/
Release and release control fertilizer, such as sulfur coated urea, polyurethaness peplos, polyethylene peplos etc..This kind of fertilizer there are disadvantages that, mainly peplos
When, need using poisonous aromatic hydrocarbon solvent, and, power consumption high to equipment requirements is big, and product cost is high, and the difficult fall of coated fertilizer
Solution, can cause secondary pollution to environment and soil.Natural organic material source is wide, can be biodegradable utilization, environmental friendliness.My god
So application in Slow/Controlled Release Fertilizers for the material is one of trend of coated fertilizer development.
Content of the invention
It is an object of the invention to provide coated fertilizer a kind of eco-friendly and that there is long-acting slow-release performance.
It is a further object of the present invention to provide the preparation method of peplos sustained slow-release fertilizer.
In order to realize the object of the invention, the peplos sustained slow-release fertilizer of the present invention, including water soluble fertilizer granule, it is wrapped in it
Outer natural organic matter film layer, is wrapped in the inorganic matters film layer outside described natural organic matter film layer and the cere as sealer
Layer；
Each composition presses following weight portion composition：Water soluble fertilizer granule 50-90 part, natural organic matter film layer 1-50 part, no
Machine thing film layer 5-60 part and cere layer 1-10 part；
Wherein, described natural organic matter film layer be by main component for lignin natural material and binding agent by 10-70:
The weight of 5-80 forms than compounding；
Described main component is that the natural material of lignin is grouped into by each one-tenth of following weight portion：Main component is wooden
Natural organic matter 50-90 part of element, humic acid 1-50 part, Maifanitum 1-50 part, Kaolin 1-50 part, montmorillonite 1-50 part and boiling
Stone powder 1-50 part；Described binding agent is grouped into by each one-tenth of following weight portion：Binding material 1-30 part, Ammonium persulfate. 1-15 part,
N, N '-methylene-bisacrylamide 0.01-20 part and water 50-90 part；Wherein, described binding material include polymethyl acrylate,
Polyethyl acrylate, polyacrylic acid potassium, polyacrylamide, cellulose, carboxymethyl cellulose, sodium alginate, polysaccharide, polysaccharide gum and
At least one in starch etc.；
The raw material of described inorganic matters film layer includes at least one in sulfur, kieselguhr and phosphate etc..
Described water soluble fertilizer granule includes carbamide, ammonium chloride, calcium ammonium nitrate, potassium chloride, potassium dihydrogen phosphate, phosphoric acid one
Ammonium, Diammonium phosphate (DAP), potassium nitrate, water solublity nitrogen-phosphorus-potassium compound fertilizer, water soluble quick-acting compound fertilizer, ammonium nitrate, ammonium hydrogen carbonate, ammonium sulfate,
At least one in water solublity potassium sulfate, calcium superphosphate and ammonium polysulfide etc., grain diameter size is 1-8mm.
Described main component be lignin natural organic matter include wood powder, timber processing after waste wood, garden shear
At least one in branch, discarded agricultural crop straw and walnut shell etc., granularity is below 35 mesh.
The raw material of described cere layer is paraffin and/or microwax.
Preferably, peplos sustained slow-release fertilizer of the present invention is grouped into by each one-tenth of following weight portion：Carbamide 50-90 part,
Natural organic matter film layer 1-50 part, inorganic matters film layer 5-60 part and cere layer 1-10 part；
Wherein, the raw material of described inorganic matters film layer is sulfur；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 10-70:5-80
Weight form than compounding；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：
Wood powder 50-90 part, humic acid 1-50 part, Maifanitum 1-50 part, Kaolin 1-50 part, montmorillonite 1-50 part and zeolite powder 1-50
Part；Described binding agent is grouped into by each one-tenth of following weight portion：Binding material 1-30 part, Ammonium persulfate. 1-15 part, N, N '-methylene
Base bisacrylamide 0.01-20 part and water 50-90 part；Described binding material is polyacrylic acid potassium, polyacrylamide, carboxymethyl are fine
At least one in dimension element and polysaccharide gum.
It is highly preferred that peplos sustained slow-release fertilizer of the present invention is grouped into by each one-tenth of following weight portion：Carbamide 70-90
Part, natural organic matter film layer 2-20 part, inorganic matters film layer 5-30 part and cere layer 2-6 part；
Wherein, the raw material of described inorganic matters film layer is sulfur；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 60-70:5-20
Weight form than compounding；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：
50 parts of wood powder, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin；Described binding agent is by each one-tenth packet of following weight portion
Become：Polyacrylic acid potassium or polyacrylamide 10-20 part, 5 parts of Ammonium persulfate., N, 5 parts and water 70- of N '-methylene-bisacrylamide
80 parts.
Most preferably, peplos sustained slow-release fertilizer of the present invention is grouped into by each one-tenth of following weight portion：Carbamide 80 part, day
So 5 parts of organic film, 13 parts of inorganic matters film layer and 2 parts of cere layer；
Wherein, the raw material of described inorganic matters film layer is sulfur；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 60:40 weight
Form than compounding；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：Wood powder 50
Part, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin；Described binding agent is grouped into by each one-tenth of following weight portion：Poly- third
Olefin(e) acid potassium or 18 parts of polyacrylamide, 1 part of Ammonium persulfate., N, 1 part of N '-methylene-bisacrylamide and 80 parts of water.
The peplos sustained slow-release fertilizer of the present invention, can be prepared as follows：Water soluble fertilizer is added into seed-coating machine
Granule, sprays into the binding agent preparing in advance, fertiliser granulates surface is moistened, and is subsequently adding the main one-tenth being mixed in proportion in advance
It is divided into the natural material of lignin, by the effect of binding agent, makes described natural material be bonded to the surface of fertiliser granulates, formed
Natural organic matter film layer, in its outer wrapping inorganic matters film material, finally wraps up coating of wax film layer on coated fertilizer surface.
When described inorganic matters film material is sulfur, after sulfur is distilled, it is wrapped in described natural organic matter film layer table
Face.
The peplos sustained slow-release fertilizer that the present invention provides, has low cost, free from environmental pollution, the feature of slow-release time length.?
In the case of identical burst size, release time is 4-6 times of common urea peplos sulfur.
Brief description
Fig. 1 is released with common sulfur coated urea slow-release fertilizer carbamide for peplos sustained slow-release fertilizer prepared by embodiment of the present invention 1-3
Put curve comparative result.
Specific embodiment
Following examples are used for the present invention is described, but are not limited to the scope of the present invention.If not specializing, embodiment
In the conventional meanses that are well known to those skilled in the art of technological means used, raw materials used be commercial goods.
The water soluble fertilizer adopting in following examples is carbamide, and urea granules size used is 1-8mm, wood powder grain
Degree is below 35 mesh.
Unless otherwise noted, heretofore described " part " refers to " weight portion ".
The preparation of embodiment 1 peplos sustained slow-release fertilizer
The peplos sustained slow-release fertilizer that the present embodiment provides, including 80 parts of carbamide, middle 5 parts of (i.e. natural organic matters of coating layer
Film layer), 13 parts of sulfur and 2 parts of paraffin, using paraffin as sealer.Wherein, middle coating layer is to be lignin by main component
Natural material presses 60 with binding agent:40 weight forms than compounding.Described main component is that the natural material of lignin includes：My god
So 50 parts of wood powder, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin, as lapping.Described binding agent includes poly- third
18 parts of acrylamide (or polyacrylic acid potassium), 1 part of Ammonium persulfate., N, N ' 1 part of-methylene-bisacrylamide and 80 parts of deionized water.
Concrete operations are：By polyacrylamide, Ammonium persulfate. and N, N '-methylene-bisacrylamide deionized water dissolves,
Make binding agent, pour watering can into, put into refrigerator standby.Natural wood powder, humic acid, Maifanitum, Kaolin are mixed in proportion, and obtain
Main component is the natural material of lignin.Weighing urea granules are put into the experiment of XT-86 type and are used small-sized seed-coating machine, open hair-dryer
And rotary drum, it is passed through hot-air pre-heating 3 minutes.The water-soluble binder preparing equably is sprayed on carbamide, blasts hot blast 3 minutes,
Again a certain amount of mixture of powders is homogeneously added in rotary drum, after rotating 3-5 minute, sprays into a certain amount of water solublity bonding again
Agent, so operates repeatedly.Powder is just firmly wrapped on urea granules, and reusable heat wind heats 5 minutes coated carbamide is dried.
Take out the carbamide wrapping first, weigh certain Sublimed Sulfur, put into iron flask, open warm table, temperature adjustment to 120 DEG C, etc.
Sulfur melts the flowing night of yellowly, pours the carbamide wrapping into, rapid rotation, treats that sulfur is uniformly wrapped in urea surface, takes out,
Pour into again in rotary drum encapsulation tool, add microwax, be passed through hot blast and rotate rotary drum in heating 5 minutes, microwax is uniform
It is rolled in coated carbamide surface, obtain final product peplos sustained slow-release fertilizer finished product.
The preparation of embodiment 2 peplos sustained slow-release fertilizer
The peplos sustained slow-release fertilizer that the present embodiment provides, including 50 parts of carbamide, middle 20 parts of (i.e. natural organic matters of coating layer
Film layer), 28 parts of sulfur and 2 parts of paraffin, using paraffin as sealer.Wherein, middle coating layer is to be lignin by main component
Natural material presses 60 with binding agent:40 weight forms than compounding.Described main component is that the natural material of lignin includes：My god
So 50 parts of wood powder, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin, as lapping.Described binding agent includes boning
15 parts of material, 5 parts of Ammonium persulfate., N, N ' 5 parts of-methylene-bisacrylamide and 75 parts of deionized water.Described binding material be by
Polysaccharide gum, polyacrylic acid potassium and polyacrylamide press 5:1:4 weight ratio mixes.
Concrete operations are：By polysaccharide gum, polyacrylic acid potassium, polyacrylamide, Ammonium persulfate. and N, N '-methylene bisacrylamide
Amide deionized water dissolves, and makes binding agent, pours watering can into, puts into refrigerator standby.Natural wood powder, humic acid, Maifanitum, height
Ridge soil is mixed in proportion, and obtains the natural material that main component is lignin.Weigh urea granules and put into the experiment of XT-86 type with little
Type seed-coating machine, opens hair-dryer and rotary drum, is passed through hot-air pre-heating 3 minutes.The water-soluble binder preparing equably is sprayed on urine
On element, blast hot blast 3 minutes, more a certain amount of mixture of powders is homogeneously added in rotary drum, spray after rotating 3～5 minutes again
Enter a certain amount of water-soluble binder, so operate repeatedly.Powder is just firmly wrapped on urea granules, and reusable heat wind heats
5 minutes being dried coated carbamide.Take out the carbamide wrapping first, weigh certain Sublimed Sulfur, put into iron flask, open heating
Platform, temperature adjustment to 120 DEG C, wait sulfur to melt the flowing night of yellowly, pour the carbamide wrapping into, rapid rotation, treat that sulfur is uniform
Be wrapped in urea surface, take out, pour into again in rotary drum encapsulation tool, add microwax, be passed through hot blast and rotate in heating
Rotary drum 5 minutes, microwax is uniformly rolled in coated carbamide surface, obtains final product peplos sustained slow-release fertilizer finished product.
The preparation of embodiment 3 peplos sustained slow-release fertilizer
The peplos sustained slow-release fertilizer that the present embodiment provides, including 90 parts of carbamide, middle 2 parts of (i.e. natural organic matters of coating layer
Film layer), 6 parts of sulfur and 2 parts of paraffin, using paraffin as sealer.Wherein, middle coating layer be by main component for lignin sky
So material and binding agent press 60:40 weight forms than compounding.Described main component is that the natural material of lignin includes：Natural
50 parts of wood powder, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin, as lapping.Described binding agent includes the material that bonds
10 parts of material, 5 parts of Ammonium persulfate., N, N ' 5 parts of-methylene-bisacrylamide and 80 parts of deionized water.Described binding material is by carboxylic
Methylcellulose, polyacrylic acid potassium and polyacrylamide press 5:1:4 weight ratio mixes.
Concrete operations are：By carboxymethyl cellulose, polyacrylic acid potassium, polyacrylamide, Ammonium persulfate. and N, N '-methylene
Bisacrylamide deionized water dissolves, and makes binding agent, pours watering can into, puts into refrigerator standby.Natural wood powder, humic acid, wheat
Meal stone, Kaolin are mixed in proportion, and obtain the natural material that main component is lignin.Weigh urea granules and put into XT-86 type
Small-sized seed-coating machine is used in experiment, opens hair-dryer and rotary drum, is passed through hot-air pre-heating 3 minutes.Will be uniform for the water-soluble binder preparing
Be sprayed on carbamide, blast hot blast 3 minutes, more a certain amount of mixture of powders be homogeneously added in rotary drum, rotate 3～5 points
Spray into a certain amount of water-soluble binder after clock again, so operate repeatedly.Powder is just firmly wrapped on urea granules, then uses
Hot-blast Heating 5 minutes is being dried coated carbamide.Take out the carbamide wrapping first, weigh certain Sublimed Sulfur, put into iron flask, beat
Open warm table, temperature adjustment to 120 DEG C, wait sulfur to melt the flowing night of yellowly, pour the carbamide wrapping into, rapid rotation, treat
Sulfur is uniformly wrapped in urea surface, takes out, pours into again in rotary drum encapsulation tool, adds microwax, is passed through the heating of hot blast side
Side rotates rotary drum 5 minutes, and microwax is uniformly rolled in coated carbamide surface, obtains final product peplos sustained slow-release fertilizer finished product.
The preparation of comparative example common sulfur coated urea slow-release fertilizer and slow release effect compare
Referring in particular to Jiang Baolei etc. (Jiang Baolei, Zhang Min, Yang Yuechao, Characteristics of Nutrient Released from Sulfur-Coated Urea, chemical fertilizer industry,
2005,32(1):Sulfur coated urea slow-release fertilizer disclosed in 36-40.) is prepared.
The peplos sustained slow-release fertilizer of embodiment of the present invention 1-3 preparation and common sulfur coated urea slow-release fertilizer urea release curves
Comparative result is shown in Fig. 1.As seen from Figure 1, the slow-release fertilizer of present invention preparation, burst size is less than common sulfur coated urea, identical release
In the case of amount, release time is significantly extended, and such as the peplos sustained slow-release fertilizer of embodiment 3 preparation is in the feelings of identical burst size
Under condition, release time is 4-6 times to common sulfur coated urea.
Although, above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (9)
1. peplos sustained slow-release fertilizer, it is characterised in that including water soluble fertilizer granule, is wrapped in its outer natural organic matter film
Layer, is wrapped in the inorganic matters film layer outside described natural organic matter film layer and the cere layer as sealer；
Each composition presses following weight portion composition：Water soluble fertilizer granule 50-90 part, natural organic matter film layer 1-50 part, inorganic matters
Film layer 5-60 part and cere layer 1-10 part；
Wherein, described natural organic matter film layer be by main component for lignin natural material and binding agent by 10-70:5-80
Weight form than compounding；
Described main component is that the natural material of lignin is grouped into by each one-tenth of following weight portion：Main component is lignin
Natural organic matter 50-90 part, humic acid 1-50 part, Maifanitum 1-50 part, Kaolin 1-50 part, montmorillonite 1-50 part and zeolite powder
1-50 part；Described binding agent is grouped into by each one-tenth of following weight portion：Binding material 1-30 part, Ammonium persulfate. 1-15 part, N, N '-
Methylene-bisacrylamide 0.01-20 part and water 50-90 part；Wherein, described binding material includes polymethyl acrylate, polypropylene
In acetoacetic ester, polyacrylic acid potassium, polyacrylamide, cellulose, carboxymethyl cellulose, sodium alginate, polysaccharide gum and starch extremely
Few one kind；
The raw material of described inorganic matters film layer includes at least one in sulfur, kieselguhr and phosphate.
2. peplos sustained slow-release fertilizer according to claim 1 is it is characterised in that described water soluble fertilizer granule includes urinating
Element, ammonium chloride, calcium ammonium nitrate, potassium chloride, potassium dihydrogen phosphate, MAP, Diammonium phosphate (DAP), potassium nitrate, water solublity azophoska
In complex fertilizer, water soluble quick-acting compound fertilizer, ammonium nitrate, ammonium hydrogen carbonate, ammonium sulfate, water solublity potassium sulfate, calcium superphosphate and ammonium polysulfide
At least one, grain diameter size be 1-8mm.
3. peplos sustained slow-release fertilizer according to claim 1 and 2 is it is characterised in that described main component is lignin
Natural organic matter include wood powder, the waste wood after timber processing, gardens beta pruning, in discarded agricultural crop straw and walnut shell
At least one, granularity is below 35 mesh.
4. the peplos sustained slow-release fertilizer according to any one of claim 1-3 is it is characterised in that the raw material of described cere layer is
Paraffin and/or microwax.
5. the peplos sustained slow-release fertilizer according to any one of claim 1-4 is it is characterised in that described peplos sustained slow-release fertilizer
It is grouped into by each one-tenth of following weight portion：Carbamide 50-90 part, natural organic matter film layer 1-50 part, inorganic matters film layer 5-60 part with
And cere layer 1-10 part；
Wherein, the raw material of described inorganic matters film layer is sulfur；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 10-70:The weight of 5-80
Amount forms than compounding；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：Wood powder
50-90 part, humic acid 1-50 part, Maifanitum 1-50 part, Kaolin 1-50 part, montmorillonite 1-50 part and zeolite powder 1-50 part；Institute
State binding agent to be grouped into by each one-tenth of following weight portion：Binding material 1-30 part, Ammonium persulfate. 1-15 part, N, N '-di-2-ethylhexylphosphine oxide
Acrylamide 0.01-20 part and water 50-90 part；Described binding material is polyacrylic acid potassium, polyacrylamide, carboxymethyl cellulose
With at least one in polysaccharide gum.
6. peplos sustained slow-release fertilizer according to claim 5 is it is characterised in that described peplos sustained slow-release fertilizer is by weighing as follows
Each one-tenth of amount part is grouped into：Carbamide 70-90 part, natural organic matter film layer 2-20 part, inorganic matters film layer 5-30 part and cere layer
2-6 part；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 60-70:The weight of 5-20
Amount forms than compounding；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：Wood powder
50 parts, 10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin；Described binding agent is grouped into by each one-tenth of following weight portion：Poly-
Potassium acrylate or polyacrylamide 10-20 part, 5 parts of Ammonium persulfate., N, 5 parts of N '-methylene-bisacrylamide and water 70-80 part.
7. peplos sustained slow-release fertilizer according to claim 6 is it is characterised in that described peplos sustained slow-release fertilizer is by weighing as follows
Each one-tenth of amount part is grouped into：80 parts of carbamide, 5 parts of natural organic matter film layer, 13 parts of inorganic matters film layer and 2 parts of cere layer；
Described natural organic matter film layer be by main component for lignin natural material and binding agent by 60:40 weight is than multiple
Join and form；Wherein, described main component is grouped into by each one-tenth of following weight portion for the natural material of lignin：50 parts of wood powder,
10 parts of humic acid, 10 parts of Maifanitum and 10 parts of Kaolin；Described binding agent is grouped into by each one-tenth of following weight portion：Polyacrylic acid
Potassium or 18 parts of polyacrylamide, 1 part of Ammonium persulfate., N, 1 part of N '-methylene-bisacrylamide and 80 parts of water.
8. the preparation method of peplos sustained slow-release fertilizer described in any one of claim 1-7 is it is characterised in that add into seed-coating machine
Water soluble fertilizer granule, sprays into the binding agent preparing in advance, fertiliser granulates surface is moistened, be subsequently adding and be mixed in proportion in advance
Good main component is the natural material of lignin, by the effect of binding agent, makes described natural material be bonded to fertiliser granulates
Surface, form natural organic matter film layer, in its outer wrapping inorganic matters film material, finally wrap up one layer on coated fertilizer surface
Cere layer.
9. method according to claim 8 it is characterised in that when described inorganic matters film material be sulfur when, by sulfur
After distillation, it is wrapped in described natural organic matter film surface.
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| CN201610917920.9A CN106396973A (en) | 2016-10-20 | 2016-10-20 | Film-coated long-acting slow release fertilizer and preparation method thereof |
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| CN109400397A (en) * | 2018-12-29 | 2019-03-01 | 韩亚博 | A kind of water holding controlled release biologic compound fertilizer and preparation method |
| CN109503269A (en) * | 2018-12-29 | 2019-03-22 | 成都云图控股股份有限公司 | A kind of coated slow-release material and preparation method thereof and film-coated and slow release fertilizer as made from it |
| CN110256146A (en) * | 2019-06-24 | 2019-09-20 | 中国农业科学院农业资源与农业区划研究所 | A kind of slow-releasing granules compound fertilizer and preparation method thereof of stalk film forming |
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| CN113087567A (en) * | 2021-04-08 | 2021-07-09 | 山东奥德鲁生物科技有限公司 | Preparation device and preparation method of humic acid chelated medium-trace element sustained release agent |
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| CN109503269A (en) * | 2018-12-29 | 2019-03-22 | 成都云图控股股份有限公司 | A kind of coated slow-release material and preparation method thereof and film-coated and slow release fertilizer as made from it |
| CN110256146A (en) * | 2019-06-24 | 2019-09-20 | 中国农业科学院农业资源与农业区划研究所 | A kind of slow-releasing granules compound fertilizer and preparation method thereof of stalk film forming |
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| CN113087567A (en) * | 2021-04-08 | 2021-07-09 | 山东奥德鲁生物科技有限公司 | Preparation device and preparation method of humic acid chelated medium-trace element sustained release agent |
| CN114085107A (en) * | 2021-10-29 | 2022-02-25 | 安徽儒商生物科技有限公司 | Humic acid water-soluble fertilizer and preparation method thereof |
| CN115093288A (en) * | 2022-07-22 | 2022-09-23 | 青岛科光生物技术有限公司 | Alginic acid water-retention slow-release fertilizer and preparation method thereof |
| CN115340430A (en) * | 2022-09-16 | 2022-11-15 | 江苏省农业科学院 | Special controlled-release fertilizer for japonica rice seedling throwing cultivation and application method thereof |
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