CN105198564A - Coated slow release fertilizer for under-forest traditional Chinese medicine planting and preparation method thereof - Google Patents
Coated slow release fertilizer for under-forest traditional Chinese medicine planting and preparation method thereof Download PDFInfo
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Abstract
The invention discloses coated slow release fertilizer for under-forest traditional Chinese medicine planting. The coated slow release fertilizer is prepared from, by weight, 75-85 parts of urea, 2-5 parts of potassic super, 1-3 parts of sodium hydroxide, 3-9 parts of N,N-methylene diacrylamide, 1-5 parts of ammonium sulfate, 2-6 parts of ammonium chloride, 1-4 parts of monopotassium phosphate, 2-6 parts of deionized water, 2-8 parts of microcrystalline waxes, 1-5 parts of collophanite powder, 2-8 parts of sodium alginate, 6-12 parts of modified starch, 3-9 parts of cellulose derivatives, 1-3 parts of humic acid, 2-6 parts of crylic acid, 3-8 parts of copper potassium pyrophosphate and 2-6 parts of ammonium polyacrylate. The invention further provides a preparation method of the coated slow release fertilizer for under-forest traditional Chinese medicine planting. According to the coated slow release fertilizer for under-forest traditional Chinese medicine planting and the preparation method thereof, the effects of reducing the releasing speed of nutrient of the coated slow release fertilizer and improving the water holding capacity of the soil can be achieved, and therefore the yield and quality of under-forest traditional Chinese medicine are effectively improved.
Description
Technical field
The present invention relates to the technical field of fertilizer and manufacture thereof, particularly relate to a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer and preparation method thereof.
Background technology
At present, along with the mankind improve constantly the concern of environment, health and natural resources sustainable use etc., while guarantee grain yield, reduce fertilizer loss to greatest extent, improve utilization rate of fertilizer, being the vital task of current agricultural fertilizer scientific and technical innovation, is also the important guarantee realizing agricultural sustainable development.
Sylvan life Chinese medicinal materials, in the process of plantation, because the moisture of soil and the loss of nutrient are easily caused when rainy season in forest farm, has had a strong impact on the seed output and quality of sylvan life Chinese medicinal materials.
Slow-release fertilizer meets the requirement of environment protection and agricultural sustainable development, is the developing direction of world agriculture fertilizer, and wherein coating delays the main flow that type slow-release fertilizer is release controlled fertilizer from now on.But the coating of existing coating type sustained-release chemical fertilizer product is the material useless to crop, mostly can not environment degradable, contaminate environment in soil can be remained, such as epoxy resin, urethane, polyethylene, polypropylene etc.Adopt degradable and there is the coated fertilizer of certain fertilizer efficiency, both environmental sounds, again can as fertilizer, therefore degradable the envelope type slow release fertilizer with certain fertilizer efficiency are the expectations in film-coated and slow release fertilizer field.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer and preparation method thereof, gained envelope type slow release fertilizer can play the rate of release slowing down coated slow-release fertilizer nutrient and the effect improving water retention in soil, effectively improves the seed output and quality of sylvan life Chinese medicinal materials.
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight: urea 75-85 part, potassium superphosphate 2-5 part, sodium hydroxide 1-3 part, N, N '-methylene bisacrylamide acid acid amides 3-9 part, ammonium sulfate 1-5 part, ammonium chloride 2-6 part, potassium primary phosphate 1-4 part, deionized water 2-6 part, microcrystalline wax 2-8 part, collophanite powder 1-5 part, sodium alginate 2-8 part, treated starch 6-12 part, derivatived cellulose 3-9 part, humic acids 1-3 part, vinylformic acid 2-6 part, cupric pyrophosphate potassium 3-8 part, ammonium polyacrylate 2-6 part.
Preferably, its raw material comprises by weight: urea 76-84 part, potassium superphosphate 3-4 part, sodium hydroxide 1.5-2.5 part, N, N '-methylene bisacrylamide acid acid amides 4-8 part, ammonium sulfate 2-4 part, ammonium chloride 3-5 part, potassium primary phosphate 2-3 part, deionized water 3-5 part, microcrystalline wax 3-7 part, collophanite powder 2-4 part, sodium alginate 3-7 part, treated starch 7-11 part, derivatived cellulose 4-8 part, humic acids 1.5-2.5 part, vinylformic acid 3-5 part, cupric pyrophosphate potassium 4-7 part, ammonium polyacrylate 3-5 part.
Preferably, its raw material comprises by weight: 80 parts, urea, potassium superphosphate 3.5 parts, 2.0 parts, sodium hydroxide, N, N '-methylene bisacrylamide acid acid amides 6 parts, 3 parts, ammonium sulfate, ammonium chloride 4 parts, potassium primary phosphate 2.5 parts, deionized water 4 parts, microcrystalline wax 5 parts, 3 parts, collophanite powder, sodium alginate 5 parts, treated starch 9 parts, derivatived cellulose 6 parts, humic acids 2.0 parts, 4 parts, vinylformic acid, 5.5 parts, cupric pyrophosphate potassium, ammonium polyacrylate 4 parts.
The present invention also proposes a kind of preparation method of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 65-85 DEG C; Under the water bath condition of 30-50 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.1-5.9, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate are warming up to 65-85 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.5-1.5h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 65-85 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by the slow-release fertilizer kernel obtained in S2 under twirl with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2-4h at 60-90 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Preferably, in S1, the preparation of slow-release fertilizer coating materials: add deionized water by proportioning and obtain pasted starch in the stirred in water bath of 68-82 DEG C; Under the water bath condition of 32-48 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.2-5.8, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids and ammonium polyacrylate are warming up to 68-82 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.8-1.2h.
Preferably, in S1, the preparation of slow-release fertilizer coating materials: add deionized water by proportioning and obtain pasted starch in the stirred in water bath of 75 DEG C; Under the water bath condition of 40 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.7, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids and ammonium polyacrylate are warming up to 75 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 1.0h.
Preferably, in S2, the preparation of slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 68-82 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel.
Preferably, in S2, the preparation of slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 75 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel.
Preferably, in S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2.5-3.5h at 65-85 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Preferably, in S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 3.0h at 75 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Treated starch is on the basis of the natural characteristics had at native starch, for improve starch performance, expand its range of application, utilize physics, chemistry or enzymatic treatment, starch molecule is introduced new functional group or changes starch molecule size and starch granular property; Treated starch is wide material sources simultaneously, cheap, can the natural high moleculer eompound of natural degradation, by regulating obtained pasted starch with deionized water, because pasted starch exists a large amount of hydrophilic hydroxyl groups, effectively can to loosen the dense structure of polyacrylate, to make water molecules easily enter into material internal cavity.
Sodium alginate is a kind of polysaccharide carbohydrate extracted from the sea-tangle or sargassun of phaeophyta, by 1, a kind of simple linear polymer of the poly-beta-D-mannuronic acid of 4-and α-L-guluronic acid composition, it is the one in alginic acid derivative, so sometimes also claim sodium alginate or seaweed gel and seaweed gel, its molecular formula is (C
6h
7o
6na) n, relative molecular weight is between 3200-200000, the outward appearance of sodium alginate is white or pale yellow powder, almost odorless, there is dilution, water-soluble and form thick gel, be insoluble to ethanol and other organic solvents, stability is better between 6-11 with pH value, and not resistance to strong acid, highly basic and some heavy metal ion.
In the present invention, by urea, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride are embedded in sodium alginate, obtain slow-release fertilizer kernel after mixing with microcrystalline wax after heating, the slow-release fertilizer kernel obtained can provide the growth elements such as necessary C, H, O, N, P, K for the growth of plant, obtain pasted starch with treated starch through deionized water simultaneously, in acrylic acid solution, drip sodium hydroxide solution and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate polymerization obtains coated fertilizer, the treated starch that the coated fertilizer of this slow-release fertilizer is easy to get with raw material is for major ingredient, by humic acids and ammonium polyacrylate at potassium superphosphate and N, be cross-linked under the effect of N '-methylene bisacrylamide acid acid amides and obtain cross-linking type humic acids-polyacrylic acid material, then in cross-linking type humic acids-polyacrylic acid material, add derivatived cellulose and obtain slow-release fertilizer coating materials, effectively improve the Water-saving effect of slow-release fertilizer, outer surface slow-release fertilizer coating materials being wrapped in slow-release fertilizer kernel makes sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer and preparation method thereof, serve the speed slowing down fertilizer nutrient release and the effect improving water retention in soil, the treated starch wherein added and humic acids material are easy to get, cost is low, and the hydrophilic hydroxyl groups on treated starch surface, effectively can improve the Water-saving effect of film-coated and slow release fertilizer, the humic acids simultaneously added can not only improve the water-retaining capacity of film-coated and slow release fertilizer, reduce production cost, improve degradation property, also play an important role in the use of slow-release fertilizer as fertilizer, derivatived cellulose, as crystal type natural macromolecular material, has good hydrophobicity and moulding property, and the coated fertilizer as film-coated and slow release fertilizer has good slow release effect, effectively improves the seed output and quality of sylvan life Chinese medicinal materials.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes.
With reference to Fig. 1, the preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 65-85 DEG C; Under the water bath condition of 30-50 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.1-5.9, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N ,-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate are warming up to 65-85 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.5-1.5h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 65-85 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by the slow-release fertilizer kernel obtained in S2 under twirl with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2-4h at 60-90 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
In embodiment, the weight part of urea can be 75 parts, 76 parts, 77 parts, 78 parts, 79 parts, 80 parts, 81 parts, 82 parts, 83 parts, 84 parts, 85 parts; The weight part of potassium superphosphate can be 2.0 parts, 2.5 parts, 3.0 parts, 3.5 parts, 4.0 parts, 4.5 parts, 5.0 parts; The weight part of sodium hydroxide can be 1.0 parts, 1.5 parts, 2.0 parts, 2.5 parts, 3.0 parts; N, N '-methylene bisacrylamide acid acid amides 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; 1 part, ammonium sulfate, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of ammonium chloride can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of potassium primary phosphate can be 1.0 parts, 1.5 parts, 2.0 parts, 2.5 parts, 3.0 parts, 3.5 parts, 4.0 parts; The weight part of deionized water can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of microcrystalline wax can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of collophanite powder can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of sodium alginate can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of treated starch can be 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts; The weight part of derivatived cellulose can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of humic acids can be 1.0 parts, 1.5 parts, 2.0 parts, 2.5 parts, 3.0 parts; Acrylic acid weight part can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of cupric pyrophosphate potassium can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of ammonium polyacrylate can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of water-holding agent can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts.
Embodiment 1
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight, 80 parts, urea, potassium superphosphate 3.5 parts, 2.0 parts, sodium hydroxide, N, N '-methylene bisacrylamide acid acid amides 6 parts, 3 parts, ammonium sulfate, ammonium chloride 4 parts, potassium primary phosphate 2.5 parts, deionized water 4 parts, microcrystalline wax 5 parts, 3 parts, collophanite powder, sodium alginate 5 parts, treated starch 9 parts, derivatived cellulose 6 parts, humic acids 2.0 parts, 4 parts, vinylformic acid, 5.5 parts, cupric pyrophosphate potassium, ammonium polyacrylate 4 parts, water-holding agent 5 parts.
The preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 75 DEG C; Under the water bath condition of 40 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.7, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate and water-holding agent are warming up to 75 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 1.0h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 75 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 3h at 75 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Embodiment 2
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight: 75 parts, urea, potassium superphosphate 5 parts, 1 part, sodium hydroxide, N, N '-methylene bisacrylamide acid acid amides 9 parts, 1 part, ammonium sulfate, ammonium chloride 6 parts, potassium primary phosphate 1 part, deionized water 6 parts, microcrystalline wax 2 parts, 5 parts, collophanite powder, sodium alginate 2 parts, treated starch 12 parts, derivatived cellulose 3 parts, humic acids 3 parts, 2 parts, vinylformic acid, 8 parts, cupric pyrophosphate potassium, ammonium polyacrylate 2 parts, water-holding agent 8 parts.
The preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 65 DEG C; Under the water bath condition of 50 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.1, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate and water-holding agent are warming up to 85 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.5h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 65 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 4h at 60 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Embodiment 3
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight: 85 parts, urea, potassium superphosphate 2 parts, 3 parts, sodium hydroxide, N, N '-methylene bisacrylamide acid acid amides 3 parts, 5 parts, ammonium sulfate, ammonium chloride 2 parts, potassium primary phosphate 4 parts, deionized water 2 parts, microcrystalline wax 8 parts, 1 part, collophanite powder, sodium alginate 8 parts, treated starch 6 parts, derivatived cellulose 9 parts, humic acids 1 part, 6 parts, vinylformic acid, 3 parts, cupric pyrophosphate potassium, ammonium polyacrylate 6 parts, water-holding agent 2 parts.
The preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 85 DEG C; Under the water bath condition of 30 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.9, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate and water-holding agent are warming up to 65 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 1.5h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 85 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2h at 90 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Embodiment 4
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight: 76 parts, urea, potassium superphosphate 4 parts, 1.5 parts, sodium hydroxide, N, N '-methylene bisacrylamide acid acid amides 8 parts, 2 parts, ammonium sulfate, ammonium chloride 5 parts, potassium primary phosphate 2 parts, deionized water 5 parts, microcrystalline wax 3 parts, 4 parts, collophanite powder, sodium alginate 3 parts, treated starch 11 parts, derivatived cellulose 4 parts, humic acids 2.5 parts, 3 parts, vinylformic acid, 7 parts, cupric pyrophosphate potassium, ammonium polyacrylate 3 parts, water-holding agent 7 parts.
The preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 68 DEG C; Under the water bath condition of 48 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.2, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate and water-holding agent are warming up to 82 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.8h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 68 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 3.5h at 65 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
Embodiment 5
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release that the present invention proposes is fertile, its raw material comprises by weight: urea 76-84 part, potassium superphosphate 3-4 part, sodium hydroxide 1.5-2.5 part, N, N '-methylene bisacrylamide acid acid amides 4-8 part, ammonium sulfate 2-4 part, ammonium chloride 3-5 part, potassium primary phosphate 2-3 part, deionized water 3-5 part, microcrystalline wax 3-7 part, collophanite powder 2-4 part, sodium alginate 3-7 part, treated starch 7-11 part, derivatived cellulose 4-8 part, humic acids 1.5-2.5 part, vinylformic acid 3-5 part, cupric pyrophosphate potassium 4-7 part, ammonium polyacrylate 3-5 part, water-holding agent 3-7 part.
The preparation method of a kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer that the present invention proposes, comprises the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 82 DEG C; Under the water bath condition of 32 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.8, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N '-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate and water-holding agent are warming up to 68 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 1.2h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 82 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2.5h at 85 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
A kind of sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer in embodiment 1-5 is applied in actual plantation, choose 6 pieces of farmlands of the same area to plant, 6 pieces of farmlands are divided into 1-6 farmland, wherein, No. 1 farmland planting coventional type film-coated and slow release fertilizer, film-coated and slow release fertilizer in No. 2 farmland planting embodiments 1, film-coated and slow release fertilizer in No. 3 farmland planting embodiments 2, film-coated and slow release fertilizer in No. 4 farmland planting embodiments 3, film-coated and slow release fertilizer in No. 5 farmland planting embodiments 4, film-coated and slow release fertilizer in No. 6 farmland planting embodiments 5, the mu volume increase in 1-6 farmland is added up, obtain mu volume increase data as shown in table 1:
Table 1:
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a sylvan life Chinese medicinal materials plantation is fertile with envelope type slow release, it is characterized in that, its raw material comprises by weight: urea 75-85 part, potassium superphosphate 2-5 part, sodium hydroxide 1-3 part, N, N ,-methylene bisacrylamide acid acid amides 3-9 part, ammonium sulfate 1-5 part, ammonium chloride 2-6 part, potassium primary phosphate 1-4 part, deionized water 2-6 part, microcrystalline wax 2-8 part, collophanite powder 1-5 part, sodium alginate 2-8 part, treated starch 6-12 part, derivatived cellulose 3-9 part, humic acids 1-3 part, vinylformic acid 2-6 part, cupric pyrophosphate potassium 3-8 part, ammonium polyacrylate 2-6 part.
2. sylvan life Chinese medicinal materials plantation envelope type slow release according to claim 1 is fertile, it is characterized in that, its raw material comprises by weight: urea 76-84 part, potassium superphosphate 3-4 part, sodium hydroxide 1.5-2.5 part, N, N,-methylene bisacrylamide acid acid amides 4-8 part, ammonium sulfate 2-4 part, ammonium chloride 3-5 part, potassium primary phosphate 2-3 part, deionized water 3-5 part, microcrystalline wax 3-7 part, collophanite powder 2-4 part, sodium alginate 3-7 part, treated starch 7-11 part, derivatived cellulose 4-8 part, humic acids 1.5-2.5 part, vinylformic acid 3-5 part, cupric pyrophosphate potassium 4-7 part, ammonium polyacrylate 3-5 part.
3. sylvan life Chinese medicinal materials plantation envelope type slow release according to claim 1 and 2 is fertile, it is characterized in that, its raw material comprises by weight: 80 parts, urea, potassium superphosphate 3.5 parts, 2.0 parts, sodium hydroxide, N, N ,-methylene bisacrylamide acid acid amides 6 parts, 3 parts, ammonium sulfate, ammonium chloride 4 parts, potassium primary phosphate 2.5 parts, deionized water 4 parts, microcrystalline wax 5 parts, 3 parts, collophanite powder, sodium alginate 5 parts, treated starch 9 parts, derivatived cellulose 6 parts, humic acids 2.0 parts, 4 parts, vinylformic acid, 5.5 parts, cupric pyrophosphate potassium, ammonium polyacrylate 4 parts.
4. to go a preparation method for the sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer described in any one of 1-3 according to right, it is characterized in that, comprise the steps:
The preparation of S1, slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 65-85 DEG C; Under the water bath condition of 30-50 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.1-5.9, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N ,-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids, ammonium polyacrylate are warming up to 65-85 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.5-1.5h;
The preparation of S2, slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 65-85 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel;
S3, by the slow-release fertilizer kernel obtained in S2 under twirl with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2-4h at 60-90 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
5. to go the preparation method of the sylvan life Chinese medicinal materials plantation envelope type slow release fertilizer described in 4 according to right, it is characterized in that, in S1, the preparation of slow-release fertilizer coating materials: add deionized water by proportioning and obtain pasted starch in the stirred in water bath of 68-82 DEG C; Under the water bath condition of 32-48 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.2-5.8, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N ,-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids and ammonium polyacrylate are warming up to 68-82 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 0.8-1.2h.
6. the preparation method of envelope type slow release fertilizer of the sylvan life Chinese medicinal materials plantation according to claim 4 or 5, it is characterized in that, in S1, the preparation of slow-release fertilizer coating materials: add deionized water by proportioning in treated starch and obtain pasted starch in the stirred in water bath of 75 DEG C; Under the water bath condition of 40 DEG C, in acrylic acid solution, dripping sodium hydroxide solution to PH is 5.7, and add collophanite powder and mix with pasted starch, after continuation interpolation deionized water and stirring is even, add potassium superphosphate, N, N ,-methylene bisacrylamide acid acid amides, derivatived cellulose, humic acids and ammonium polyacrylate are warming up to 75 DEG C, obtain the solution of coated fertilizer after constant temperature polyreaction 1.0h.
7. the preparation method of envelope type slow release fertilizer of the sylvan life Chinese medicinal materials plantation according to any one of claim 4-6, it is characterized in that, in S2, the preparation of slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 68-82 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel.
8. the preparation method of envelope type slow release fertilizer of the sylvan life Chinese medicinal materials plantation according to any one of claim 4-7, it is characterized in that, in S2, the preparation of slow-release fertilizer kernel: take urea by the weight part of above-mentioned formula, potassium primary phosphate, cupric pyrophosphate potassium, ammonium sulfate, ammonium chloride is embedded in sodium alginate, be heated to 75 DEG C, add after microcrystalline wax mixes and obtain slow-release fertilizer kernel.
9. the preparation method of envelope type slow release fertilizer of the sylvan life Chinese medicinal materials plantation according to any one of claim 5-9, it is characterized in that, in S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 2.5-3.5h at 65-85 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
10. the preparation method of envelope type slow release fertilizer of the sylvan life Chinese medicinal materials plantation according to any one of claim 5-9, it is characterized in that, in S3, by under the slow-release fertilizer kernel twirl obtained in S2 with spray gun to even slow the solution spraying the coated fertilizer in S1 of urea surface, slow-release fertilizer core surface is all wrapped up by the solution of coated fertilizer, then will superscribe slow-release fertilizer kernel dry 3.0h at 75 DEG C of coated fertilizer solution, be cooled to room temperature preservation stand-by.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304957A (en) * | 2019-05-29 | 2019-10-08 | 寿光农康生物科技有限公司 | A kind of biological soil conditioner and preparation method thereof |
| CN112537982A (en) * | 2020-12-25 | 2021-03-23 | 安徽肥地肥业有限责任公司 | Special organic fertilizer for pomegranate planting and preparation method thereof |
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2015
- 2015-08-31 CN CN201510551807.9A patent/CN105198564A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304957A (en) * | 2019-05-29 | 2019-10-08 | 寿光农康生物科技有限公司 | A kind of biological soil conditioner and preparation method thereof |
| CN112537982A (en) * | 2020-12-25 | 2021-03-23 | 安徽肥地肥业有限责任公司 | Special organic fertilizer for pomegranate planting and preparation method thereof |
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Application publication date: 20151230 |