CN110981598A - Functional high-tower compound fertilizer and preparation method thereof - Google Patents
Functional high-tower compound fertilizer and preparation method thereof Download PDFInfo
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- CN110981598A CN110981598A CN201911424617.5A CN201911424617A CN110981598A CN 110981598 A CN110981598 A CN 110981598A CN 201911424617 A CN201911424617 A CN 201911424617A CN 110981598 A CN110981598 A CN 110981598A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
Abstract
The invention discloses a functional high-tower compound fertilizer and a preparation method thereof, belonging to the technical field of fertilizers. The compound fertilizer consists of a granular core fertilizer, a urea-formaldehyde resin coating agent and a compound microbial agent. According to the invention, the compound microbial inoculum (pseudomonas stutzeri and lactobacillus buchneri) is introduced into the traditional basic fertilizer, so that the compound microbial inoculum not only can effectively enhance the anti-infection capability of the yellow heart black to bacterial black spot, but also can be fermented by urea, diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and the like in the functional high-tower compound fertilizer; tests show that the functional high-tower compound fertilizer can effectively promote the growth of yellow heart black and prevent and treat the infection of bacterial black spot.
Description
Technical Field
The invention belongs to the technical field of fertilizers, and particularly relates to a functional high-tower compound fertilizer and a preparation method thereof.
Background
The Huangxin Wu is a special vegetable along the area of Huai river, is produced in the south of Huai river and is also called Wuta-tsai, and has a history of thousands of years in cultivation along the area of Huai river. The generation of Nansong poems is praised in poem from the four-season rural miscellaneous Xing: "pluck the snow and pick up to step with the earth woad, the taste is more fertile and thicker like honey lotus root. The Chinese woad is the yellow heart black rice, has the characteristics of less crude fiber, good taste, easy rotting after being fried and the like, and is one of main leaf vegetable varieties which are eaten by common people in the Huai region in winter and spring.
Bacterial black spot (Yellow heart disease bacterial black spot) is an important disease of Yellow heart black, and is mainly expressed on leaves, stems and seed pods, (1) the leaves are in a water-soaked small spot at the initial stage of disease attack, the leaves are in dark green at the beginning and then become dark gray or black brown, the middle color of the disease spot is dark, oily and shiny, the disease spot is fused into an irregular large spot when the disease attack is serious, the leaf veins are browned, and the leaves are twisted and deformed; (2) stems and pods, producing dark brown irregular streaky spots. The traditional control method comprises the following steps: (1) agricultural prevention and control, and crop rotation is carried out; selecting a disease-resistant variety; use of disease-free seeds; strengthening field management; (2) chemical control: spraying 350 times of 14% cuaminosulfate solution or 4000-5000 times of neomycin for 1 time every 7-10 days and 2-3 times continuously.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem that the existing functional high-tower compound fertilizer cannot effectively prevent and control bacterial black spot, the invention provides the functional high-tower compound fertilizer and the preparation method thereof, which can effectively promote the growth of yellow heart black and prevent and control the infection of bacterial black spot.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 60 to 80 portions of the raw materials are mixed,
urea-formaldehyde resin coating agent: 5 to 9 portions of the raw materials are mixed,
compound microbial agent: 2-3 parts;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 120 to 200 portions of the components are mixed,
diatomite: 50 to 80 portions of the raw materials are mixed,
ammonium chloride: 10 to 30 portions of the raw materials are mixed,
magnesium nitrate: 2 to 3 portions of the raw materials are added,
potassium sulfate: 2 to 3 portions of the raw materials are added,
polyvinyl alcohol: 1-2 parts;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 15 to 25 portions of the raw materials are mixed,
formaldehyde: 25 to 35 portions of the total weight of the mixture,
polyglutamic acid: 5 to 10 portions of the raw materials are mixed,
sodium borohydride: 1 part to 2 parts of (A) to (B),
polyoxypropylene ethylene oxide glyceryl ether: 1-2 parts;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 to 5 portions of the raw materials are added,
lactobacillus buchneri: 7 to 8 portions of the raw materials are mixed,
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high tower compound fertilizer, the functional high tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 65 to 75 portions of the weight percentage of the mixture,
urea-formaldehyde resin coating agent: 6 to 8 portions of the raw materials are mixed,
compound microbial agent: 2-3 parts;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 140 parts to 180 parts of (A) to (B),
diatomite: 60 to 70 portions of the raw materials are mixed,
ammonium chloride: 15 to 25 portions of the raw materials are mixed,
magnesium nitrate: 2 to 3 portions of the raw materials are added,
potassium sulfate: 2 to 3 portions of the raw materials are added,
polyvinyl alcohol: 1-2 parts;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 18 to 23 portions of the raw materials are mixed,
formaldehyde: 27 to 32 parts of (a) a polymer,
polyglutamic acid: 5 to 10 portions of the raw materials are mixed,
sodium borohydride: 1 part to 2 parts of (A) to (B),
polyoxypropylene ethylene oxide glyceryl ether: 1-2 parts;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 to 5 portions of the raw materials are added,
lactobacillus buchneri: 7 to 8 portions of the raw materials are mixed,
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high tower compound fertilizer, the functional high tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
diatomite: 65 parts of (a) a reaction product of (B),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyglutamic acid: 8 parts of (a) a mixture of (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 4, preparing 4 parts of the mixture,
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
A preparation method of a functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is lower than 5%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
In the preparation method of the functional high-tower compound fertilizer, the particle size range of the particle core fertilizer in the step (1) is 2.5-3.5 mm.
In the preparation method of the functional high-tower compound fertilizer, the drying in the step (3) is carried out until the water content is 1.5 percent.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the compound microbial inoculum (pseudomonas stutzeri and lactobacillus buchneri) is introduced into the traditional basic fertilizer, so that the compound microbial inoculum not only can effectively enhance the anti-infection capability of the yellow heart black to bacterial black spot, but also can be fermented by urea, diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and the like in the functional high-tower compound fertilizer; tests show that the functional high-tower compound fertilizer can effectively promote the growth of yellow heart black and prevent and treat the infection of bacterial black spot.
Detailed Description
The invention is further described with reference to specific examples.
Example 1
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 60 parts of (a) to (b),
urea-formaldehyde resin coating agent: 9 parts of (a) to (b),
compound microbial agent: 2 parts of (1);
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 200 parts of (a) a mixture of (b),
diatomite: 50 parts of (a) a mixture of (b),
ammonium chloride: 30 parts of (a) to (b),
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 25 parts of (a) to (b),
formaldehyde: 25 parts of (a) to (b),
polyglutamic acid: 10 parts of (a) to (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 parts of (a) to (b),
lactobacillus buchneri: 8 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain granular core fertilizer, wherein the grain size range of the granular core fertilizer is 2.5 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.3%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Example 2
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 80 parts of (a) a water-soluble polymer,
urea-formaldehyde resin coating agent: 5 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 120 parts of (a) to (b),
diatomite: 80 parts of (a) a water-soluble polymer,
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 3 parts of (a) to (b),
potassium sulfate: 2 parts of (a) to (b),
polyvinyl alcohol: 2 parts of (1);
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 15 parts of (a) to (b),
formaldehyde: 35 parts of (a) a mixture of (b),
polyglutamic acid: 5 parts of (a) a mixture of (b),
sodium borohydride: 2 parts of (a) to (b),
polyoxypropylene ethylene oxide glyceryl ether: 1 part;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 5 parts of (a) a mixture of (b),
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, then sending the slurry into a granulation tower, and granulating by adopting a tower-type solution granulation process to obtain the granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3.5 mm:
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.4%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Example 3
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 65 parts of (a) a reaction product of (B),
urea-formaldehyde resin coating agent: 8 parts of (a) a mixture of (b),
compound microbial agent: 2 parts of (1);
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 180 parts of (A) and (B) of,
diatomite: 60 parts of (a) to (b),
ammonium chloride: 25 parts of (a) to (b),
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 23 parts of (a) to (b),
formaldehyde: 27 parts of (a) to (b),
polyglutamic acid: 10 parts of (a) to (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 parts of (a) to (b),
lactobacillus buchneri: 8 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain granular core fertilizer, wherein the grain size range of the granular core fertilizer is 2.5 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.1%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Example 4
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 75 parts of (a) a water-soluble polymer,
urea-formaldehyde resin coating agent: 6 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 140 parts of (by weight) of a carrier liquid,
diatomite: 70 parts of (a) to (b),
ammonium chloride: 15 parts of (a) to (b),
magnesium nitrate: 3 parts of (a) to (b),
potassium sulfate: 2 parts of (a) to (b),
polyvinyl alcohol: 2 parts of (1);
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 18 parts of (a) to (b),
formaldehyde: 32 parts of (a) to (b),
polyglutamic acid: 5 parts of (a) a mixture of (b),
sodium borohydride: 2 parts of (a) to (b),
polyoxypropylene ethylene oxide glyceryl ether: 1 part;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 5 parts of (a) a mixture of (b),
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3.5 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.3%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Example 5
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
diatomite: 65 parts of (a) a reaction product of (B),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyglutamic acid: 8 parts of (a) a mixture of (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 4, preparing 4 parts of the mixture,
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.5%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Comparative example 1
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
diatomite: 65 parts of (a) a reaction product of (B),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyglutamic acid: 8 parts of (a) a mixture of (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: and 2 parts.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) and (3) placing the granular core fertilizer into a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.5%.
Comparative example 2
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyglutamic acid: 8 parts of (a) a mixture of (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 4, preparing 4 parts of the mixture,
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding ammonium chloride, magnesium nitrate and potassium sulfate, mixing to form slurry, and then feeding the slurry into a granulation tower to granulate by adopting a tower-type solution granulation process to obtain granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.5%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Comparative example 3
The functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
diatomite: 65 parts of (a) a reaction product of (B),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 4, preparing 4 parts of the mixture,
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
In the functional high-tower compound fertilizer, the storage temperature of the compound microbial agent is-20 ℃.
The preparation method of the functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer, wherein the grain size range of the granular core fertilizer is 3 mm;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃, and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is 1.5%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
Example 6
Specific applications of the functional high-tower compound fertilizers in examples 1-5 and comparative examples 1-3:
we examined the performance indexes of different functional high-tower compound fertilizers, and the results are as follows (as shown in Table 1):
the specific test method is as follows: selecting a certain yellow heart black test point of Anhui Hefei, transplanting healthy yellow heart black (in seedling stage, seeds are purchased from Hefei Fengle Seiko GmbH, variety 'yellow heart black') and then applying the functional high-tower compound fertilizer, measuring the activity of the compound microbial inoculum in the functional high-tower compound fertilizer before application, and then performing an infection test of bacterial black spot in the mature period of the yellow heart black to observe the economic character of the yellow heart black.
TABLE 1
Tests show that (in combination with table 1), compared with comparative examples 1-3, the functional high-tower compound fertilizers of examples 1-5 have remarkable improvement on yield and disease resistance of yellow heart flaccid anemone; in examples 1 to 5, different contents of each component in the functional high tower compound fertilizer have different effects on the application effect of the product, wherein the significant difference of each index of the functional high tower compound fertilizer prepared in example 5 is large.
In conclusion, the compound microbial inoculum (pseudomonas stutzeri and lactobacillus buchneri) is introduced into the traditional basic fertilizer, not only can the anti-infection capability of the yellow heart black to the bacterial black spot be effectively enhanced, but also the compound microbial inoculum can be fermented by urea, kieselguhr, ammonium chloride, magnesium nitrate, potassium sulfate and the like in the functional high-tower compound fertilizer; tests show that the functional high-tower compound fertilizer can effectively promote the growth of yellow heart black and prevent and treat the infection of bacterial black spot.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. A functional high-tower compound fertilizer is characterized in that: the composite material comprises the following raw materials in parts by weight:
granular core fertilizer: 60 to 80 portions of the raw materials are mixed,
urea-formaldehyde resin coating agent: 5 to 9 portions of the raw materials are mixed,
compound microbial agent: 2-3 parts;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 120 to 200 portions of the components are mixed,
diatomite: 50 to 80 portions of the raw materials are mixed,
ammonium chloride: 10 to 30 portions of the raw materials are mixed,
magnesium nitrate: 2 to 3 portions of the raw materials are added,
potassium sulfate: 2 to 3 portions of the raw materials are added,
polyvinyl alcohol: 1-2 parts;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 15 to 25 portions of the raw materials are mixed,
formaldehyde: 25 to 35 portions of the total weight of the mixture,
polyglutamic acid: 5 to 10 portions of the raw materials are mixed,
sodium borohydride: 1 part to 2 parts of (A) to (B),
polyoxypropylene ethylene oxide glyceryl ether: 1-2 parts;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 to 5 portions of the raw materials are added,
lactobacillus buchneri: 7 to 8 portions of the raw materials are mixed,
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
2. The functional high tower compound fertilizer according to claim 1, characterized in that: the functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 65 to 75 portions of the weight percentage of the mixture,
urea-formaldehyde resin coating agent: 6 to 8 portions of the raw materials are mixed,
compound microbial agent: 2-3 parts;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 140 parts to 180 parts of (A) to (B),
diatomite: 60 to 70 portions of the raw materials are mixed,
ammonium chloride: 15 to 25 portions of the raw materials are mixed,
magnesium nitrate: 2 to 3 portions of the raw materials are added,
potassium sulfate: 2 to 3 portions of the raw materials are added,
polyvinyl alcohol: 1-2 parts;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 18 to 23 portions of the raw materials are mixed,
formaldehyde: 27 to 32 parts of (a) a polymer,
polyglutamic acid: 5 to 10 portions of the raw materials are mixed,
sodium borohydride: 1 part to 2 parts of (A) to (B),
polyoxypropylene ethylene oxide glyceryl ether: 1-2 parts;
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 3 to 5 portions of the raw materials are added,
lactobacillus buchneri: 7 to 8 portions of the raw materials are mixed,
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
3. The functional high tower compound fertilizer according to claim 2, characterized in that: the functional high-tower compound fertilizer comprises the following raw materials in parts by weight:
granular core fertilizer: 70 parts of (a) to (b),
urea-formaldehyde resin coating agent: 7 parts of (a) a mixture of (b),
compound microbial agent: 3 parts of a mixture;
the granular core fertilizer comprises the following raw materials in parts by weight:
urea: 160 parts of (a) to (b),
diatomite: 65 parts of (a) a reaction product of (B),
ammonium chloride: 20 parts of (by weight), and mixing the components,
magnesium nitrate: 2 parts of (a) to (b),
potassium sulfate: 3 parts of (a) to (b),
polyvinyl alcohol: 1 part;
the urea-formaldehyde resin coating agent comprises the following raw materials in parts by weight:
urea: 20 parts of (by weight), and mixing the components,
formaldehyde: 30 parts of (a) to (b),
polyglutamic acid: 8 parts of (a) a mixture of (b),
sodium borohydride: 1 part of (A) and (B),
polyoxypropylene ethylene oxide glyceryl ether: 2 parts of (1);
the preparation form of the compound microbial agent is freeze-dried powder and comprises the following strains in parts by weight:
pseudomonas stutzeri: 4, preparing 4 parts of the mixture,
lactobacillus buchneri: 7 parts of (a) a mixture of (b),
the microbial agent is Pseudomonas stutzeri (Pseudomonas stutzeri), is preserved in the China general microbiological culture Collection center in 2015, 4 months and 2 days, and has a preservation number of 1.15198,
the microbial agent is Lactobacillus buchneri (Lactobacillus buchneri), which is preserved in the China general microbiological culture Collection center in 2015 1 month and 15 days with the preservation number of 1.15607.
4. A functional high tower compound fertilizer according to any one of claims 1-3, characterized in that: the storage temperature of the compound microbial agent is-20 ℃.
5. A preparation method of a functional high-tower compound fertilizer comprises the following steps:
(1) heating and melting urea, adding diatomite, ammonium chloride, magnesium nitrate, potassium sulfate and polyvinyl alcohol, mixing to form slurry, and then feeding the slurry into a granulation tower to carry out granulation by adopting a tower-type solution granulation process to obtain a granular core fertilizer;
(2) adding formaldehyde into a reaction kettle, adding urea while stirring, adding polyglutamic acid, sodium borohydride and polyoxypropylene ethylene oxide glycerol ether, heating to 100 ℃ and reacting for 50min to obtain a urea-formaldehyde resin coating agent;
(3) placing the granular core fertilizer in a coating machine, spraying the granular core fertilizer with a urea-formaldehyde resin coating agent for primary coating treatment, and drying until the water content is lower than 5%; and then carrying out dusting and film covering treatment on the dried particles by using the compound microbial agent.
6. The method for preparing the functional high-tower compound fertilizer according to claim 5, wherein the method comprises the following steps: the particle size range of the granular core fertilizer in the step (1) is 2.5mm-3.5 mm.
7. The method for preparing the functional high-tower compound fertilizer according to claim 5, wherein the method comprises the following steps: and (4) drying in the step (3) until the water content is 1.5%.
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