CN110423168A - Nitro-compound fertilizer and preparation method thereof - Google Patents
Nitro-compound fertilizer and preparation method thereof Download PDFInfo
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- CN110423168A CN110423168A CN201910876334.8A CN201910876334A CN110423168A CN 110423168 A CN110423168 A CN 110423168A CN 201910876334 A CN201910876334 A CN 201910876334A CN 110423168 A CN110423168 A CN 110423168A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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Abstract
The present invention relates to a kind of nitro-compound fertilizers and preparation method thereof.The raw material for preparing the nitro-compound fertilizer includes nitrate nitrogen base manure, coating agent and auxiliary agent, and coating agent can degrade, and auxiliary agent includes organic matter material.Above-mentioned nitro-compound fertilizer is containing organic matter and can be improved the fertilizer efficiency of nitro-compound fertilizer.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly to a kind of nitro-compound fertilizer and preparation method thereof.
Background technique
Nitro-compound fertilizer is a kind of containing nitrate nitrogen and ammonium nitrogen " dinitrogen " fertilizer.With the urea for containing common acyl ammoniacal nitrogen
It compares, the nitrate nitrogen in nitro-compound fertilizer, which does not need secondary conversion, directly to be absorbed by crop, and the acyl ammoniacal nitrogen in urea
Utilization can be just absorbed by crops after needing to be converted into ammonium nitrogen, nitrate nitrogen.It is limited by conversion ratio, the acyl ammoniacal nitrogen in urea exists
In conversion process, base nitrogen discharge is urinated in part, and utilization rate of fertilizer is lower.
Although containing nitrate nitrogen and ammonium nitrogen in current nitro-compound fertilizer, and nitrate nitrogen is easy directly to be inhaled by crops
It receives, but the fertilizer efficiency of current nitro-compound fertilizer is not still high.
Summary of the invention
Based on this, it is necessary to provide a kind of higher nitro-compound fertilizer of fertilizer efficiency.
A kind of nitro-compound fertilizer, the raw material for preparing the nitro-compound fertilizer includes nitrate nitrogen base manure, coating agent and auxiliary agent, institute
Stating coating agent can degrade, and the auxiliary agent includes organic matter material.
Organic matter is the substance containing vital functions, can not only provide nutrient needed for plant growth, improves soil, can be with
Improve crop quality, however traditional coating agent, such as paraffin, odium stearate and wax-oil mixture, although can be in nitro-compound fertilizer
Middle introducing organic matter, but traditional coating agent is that wax is wrapped in the packet of traditional nitro compound fertilizer after being imposed on crops
Film makes nitro-compound fertilizer be not easy to be released, so that the fertilizer efficiency of traditional nitro-compound fertilizer is lower.
And above-mentioned nitro-compound fertilizer includes nitrate nitrogen base manure, coating agent and auxiliary agent.When preparing above-mentioned nitro-compound fertilizer, coating
Agent can wrap up the auxiliary agent containing organic matter material onto nitre state base manure；By the above-mentioned nitro containing the coating agent that can be degraded
After compound fertilizer imposes on crops, the coating agent of nitro-compound fertilizer can rapidly discharge nitrate nitrogen base manure, nitre after contacting with soil
Under state nitrogen base manure and organic matter material interaction, nutrient is provided for crops, fertilizer efficiency is high.
The coating agent includes organic matter, free amino acid and complex state zinc in one of the embodiments, described organic
The mass percentage of matter is 30%~50%, and the concentration of the free amino acid is 50g/L~150g/L, the complex state zinc
Mass percentage be 1%~10%.
The coating agent also includes in biochemical fulvic acid, binder, spreader-sticker and defoaming agent in one of the embodiments,
At least one.
The binder includes xanthan gum, polyvinyl alcohol, polyacrylamide, carboxymethyl fibre in one of the embodiments,
At least one of dimension element and neopelex；The spreader-sticker includes Tween 80, non-ionic silicone, poly- second two
At least one of alcohol and sodium lignin sulfonate.
In one of the embodiments, in terms of mass fraction, the number of the nitrate nitrogen base manure is 88 parts~100 parts, institute
The number for stating auxiliary agent is 1.2 parts~1.5 parts, and the number of the coating agent is 0.8 part~1 part.
The nitro-compound fertilizer includes matrix, coating layer and organic horizon in one of the embodiments, and described matrix is
Granular nitrate nitrogen base manure, the coating layer are set in described matrix, and the organic horizon is set on the coating layer, described
Coating layer contains the coating agent, and the organic layer contains the auxiliary agent.
It is organic to be selected from humic-acid kind organic matter material, seaweed acids for the organic matter material in one of the embodiments,
At least one of matter raw material, amino acids organic matter material and carbohydrate organic matter material.
The auxiliary agent further includes that oyster shell powder, anti hardening agent, microbial bacterial agent and soil change in one of the embodiments,
At least one of good dose.
A kind of preparation method of nitro-compound fertilizer, comprising the following steps:
Coating agent is coated on nitrate nitrogen base manure, obtains the nitrate nitrogen base manure containing coating agent, the coating agent can
Degradation；And
Auxiliary agent is coated on the nitrate nitrogen base manure containing coating agent, the nitro-compound fertilizer, the auxiliary agent are obtained
Including organic matter material.
Further include the steps that the step of preparing coating agent, preparing coating agent includes: in one of the embodiments,
It is complexed after molasses alcohol waste liquid is degraded with microelement source, obtains coating agent.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
The disclosure of invention is more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
The preparation method of the nitro-compound fertilizer of one embodiment, including step S110~S170.Specifically:
Step S110, coating agent is prepared.
Specifically, it is complexed after molasses alcohol waste liquid being degraded with microelement source, obtains coating agent.
It is heated after molasses alcohol waste liquid is mixed with acidulant, oxidant in one of the embodiments, after obtaining degradation
Molasses alcohol waste liquid.Then the molasses alcohol waste liquid after degradation is complexed with microelement, obtains coating agent.
Specifically, molasses alcohol waste liquid is commercial product.Acidulant is selected from least one of the concentrated sulfuric acid and concentrated nitric acid.With
In the pH value for adjusting molasses alcohol waste liquid, so that the albumen being conducive in molasses alcohol waste liquid is degraded.Oxidant is selected from over cure
At least one of sour ammonium, concentrated nitric acid, hydrogen peroxide and potassium peroxide.Oxidant is used to that the amino acid of degradation to be prevented to be oxidized.Acidification
Agent and oxidant can also improve the complexation efficiency of the molasses alcohol waste liquid and microelement degraded.By molasses alcohol waste liquid
Mass percent meter, the additional amount of oxidant are 1%~10%.Microelement source includes boric acid and zinc sulfate.Boric acid is as boron
Source, zinc sulfate is as zinc source.According to the mass percent meter for the molasses alcohol waste liquid degraded, the mass percentage of boric acid is
0.5%~3%, the mass percentage of zinc sulfate is 0.5%~3%.Microelement source further includes boric acid, manganese sulfate, sulfuric acid
At least one of ferrous iron, ammonium molybdate, copper sulphate and magnesium sulfate.In terms of molasses alcohol waste liquid mass percent after degrading, boron
Acid is 0.5~3%, and zinc sulfate is 0.5~3%, and manganese sulfate is 0.2~2%, and ferrous sulfate is 0.2~2%, ammonium molybdate 0.2
~2%, copper sulphate is 0.2~2%, and magnesium sulfate is 0.2~2%.
Further, with acidulant adjust molasses alcohol waste liquid pH value so that the pH value of molasses alcohol waste liquid be 3.5~
4.5.Then oxidant is added into the molasses alcohol waste liquid after adjusting pH value, and is heated to 70 DEG C~80 DEG C, reaction 60min~
80min, the molasses alcohol waste liquid after being degraded.Then under the conditions of 70 DEG C~80 DEG C, by the molasses alcohol waste liquid after degradation
It is mixed with microelement source, reacts 60min~80min, obtain coating agent.Wherein, organic matter, free ammonia are contained in the coating agent
Base acid and complex state zinc, the mass percentage of organic matter are 30%~50%, the concentration of free amino acid be 50g/L~
150g/L, the mass percentage of complex state zinc are 1%~10%.It is mutual by organic matter, free amino acid and complex state zinc
Cooperation can be directly used as coating agent so that coating agent has viscosity, do not need additionally to add binder yet can will contain it is organic
The auxiliary agent of matter raw material is coated on nitrate nitrogen base manure.In addition, the organic matter in the coating agent prepared according to the method described above is small point
Sub- organic matter absorbs convenient for crops.
Oxidant is added in the molasses alcohol waste liquid to after adjusting pH value in one of the embodiments, and heats anti-
In the step of answering, the temperature of heating is 70 DEG C~78 DEG C, and the time of reaction is 65min~80min.
The raw material hybrid reaction of molasses alcohol waste liquid after it will degrade and microelement in one of the embodiments,
In step, the temperature of reaction is 70 DEG C~78 DEG C, and the time of reaction is 60min~65min.
The mass percentage of the organic matter of coating agent is 35%~45% in one of the embodiments,.Further,
The mass percentage of the organic matter of coating agent is 38%, 40% or 44%.
In one of the embodiments, after the step of adjusting the pH value of molasses alcohol waste liquid with acidulant, further include
The step of defoaming agent is added to the molasses alcohol waste liquid after adjusting pH.Further, defoaming agent is the defoaming of polyethers bean product
Agent.Based on the mass percent for accounting for molasses alcohol waste liquid, defoaming agent dosage is 0.05%~1%.
In one of the embodiments, after the step of molasses alcohol waste liquid and microelement source that will be degraded are complexed,
It further include being added in biochemical fulvic acid, binder and spreader-sticker into molasses alcohol waste liquid and microelement the complexing product of degradation
At least one step.Biochemical fulvic acid can be as the source of organic matter, and cooperates with other components and adjust coating agent
Viscosity.Binder can make coating agent is more stable to be attached on nitre state base manure, prevent shedding.Spreader-sticker makes nitre state base manure
The wet exhibition ability on surface, more conducively coats.
Specifically, binder includes xanthan gum, polyvinyl alcohol, polyacrylamide, carboxymethyl cellulose and detergent alkylate
At least one of sodium sulfonate.Further, binder is selected from xanthan gum, polyvinyl alcohol, polyacrylamide, carboxymethyl cellulose
And at least one of neopelex.Specifically, spreader-sticker is selected from Tween 80, non-ionic silicone, poly- second two
In alcohol and sodium lignin sulfonate.
Certainly, in some other embodiment, coating agent can also be prepared using other preparation methods.As long as coating agent
After contacting with soil, nitrate nitrogen base manure can be discharged.Certainly, preparation includes organic matter, free amino acid and complex state zinc
Coating agent can also use other preparation methods, as long as the mass percentage of organic matter be 30%~50%, free amine group
The concentration of acid is 50g/L~150g/L, the mass percentage of complex state zinc is 1%~10%.
The raw material for preparing of above-mentioned coating agent includes molasses alcohol waste liquid, and the coating agent being prepared includes organic matter, dissociates
Amino acid and complex state zinc.The mutual cooperation of the organic matter, free amino acid and complex state zinc of coating agent has coating agent viscous
Property, it can be applied to the nitro-compound fertilizer for preparing coating.On the one hand the coating agent can wrap up organic matter material to nitrate nitrogen
To make a large amount of organic matters be added in nitrate nitrogen base manure on base manure, the nitro-compound fertilizer for being rich in organic matter is formed.On the other hand,
The ingredient of the coating agent is degradable, can quick release nitrate nitrogen base manure, and be also enriched in organic matter, free amino acid and complex state
Zinc can promote the absorption of nitro-compound fertilizer, improve the fertilizer efficiency of nitro-compound fertilizer.
Step S130, auxiliary agent is prepared.
Auxiliary agent is organic matter material in one of the embodiments,.Specifically, it is organic to be selected from humic-acid kind for organic matter material
At least one of matter raw material, seaweed acids organic matter material, amino acids organic matter material and carbohydrate organic matter material.Into one
Step ground, auxiliary agent are the auxiliary agent of powder shaped.
In another embodiment, auxiliary agent further includes in oyster shell powder, anti hardening agent, microbial bacterial agent and soil conditioner
At least one.At this point, by organic matter material and oyster shell powder, anti hardening agent, microbial bacterial agent and soil conditioner extremely
A kind of few mixing, obtains auxiliary agent.
It specifically, further include the preparation step of oyster shell powder.The preparation step of oyster shell powder includes: by oyster shell 550
DEG C~650 DEG C at calcine 8min~30min after crush, obtain oyster shell powder.Further, the temperature of calcining is 550 DEG C~650
℃.The time of calcining is 8min~30min.
Ostreae testa pulverata is 200 mesh~400 mesh powder in one of the embodiments,.Further, ostreae testa pulverata is 300 mesh
Powder.The mode crushed in one of the embodiments, is to be mechanically pulverized.
Carrier of the oyster shell powder as auxiliary agent, special micro nano structure can be provided for microorganism in auxiliary agent one it is good
Good viability environment effectively solves the problems, such as microbial survival.And oyster shell powder has extremely strong adsorption capacity, adsorbable addition
Coating agent in moisture, and prevent product hardened with anti hardening agent collective effect.In addition, oyster shell powder can also improve soil
Structure reduces soil hardening, improves the utilization rate of fertilizer.Furthermore oyster shell powder is also used as calcium source.Oyster shell powder is existed by oyster shell
It crushes and obtains after calcining 8min~30min at 550 DEG C~650 DEG C.The oyster shell powder adsorption capacity being prepared under this condition is more
Be conducive to improve the utilization rate of nitro-compound fertilizer.
Specifically, anti hardening agent is to avoid above-mentioned nitro-compound fertilizer hardened in processing and transportational process, improves nitrate nitrogen
The utilization rate of fertilizer, and then improve the fertilizer efficiency of nitrate fertilizer.
Specifically, microbial bacterial agent can improve soil texture, crops is promoted to absorb nutrient.Microbial bacterial agent includes withered
At least one of careless bacillus, bacillus licheniformis, Bacillus polymyxa, bacillus megaterium, bacillus amyloliquefaciens.
Further, microbial bacterial agent includes bacillus subtilis, bacillus licheniformis, Bacillus polymyxa, bacillus megaterium, solution
It is extremely a kind of in bacillus amyloliquefaciens.Further, microbial bacterial agent is made of bacillus subtilis and bacillus licheniformis.
Specifically, soil conditioner can promote crop nutrition content to absorb to improve soil physical property.Soil conditioner includes
At least one of earthworm enzyme, laurel alcohol ethoxy ammonium sulfate and polyacrylamide.Further, soil conditioner is selected from earthworm
One of enzyme and laurel alcohol ethoxy ammonium sulfate.
Step S150, coating agent is coated on nitrate nitrogen base manure, obtains the nitrate nitrogen base manure containing coating agent.
Specifically, under conditions of 50 DEG C~70 DEG C, coating agent is sprayed on nitrate nitrogen base manure, is obtained containing coating agent
Nitrate nitrogen base manure.Nitrate nitrogen base manure is the existing fertilizer containing nitrate nitrogen and ammonium nitrogen.
The nitrate nitrogen base manure containing coating agent includes matrix and coating layer in one of the embodiments, and matrix is particle
The nitrate nitrogen base manure of shape, coating layer are set on matrix.Specifically, by coating agent be sprayed on granular nitrate nitrogen base manure to
Form coating layer.Further, the surface of the nitrate nitrogen base manure of the complete coated particle shape of coating layer.
In one of the embodiments, in terms of mass fraction, the number of nitrate nitrogen base manure is 88 parts~100 parts, above-mentioned packet
The number of film is 0.8 part~1 part.
Step S170, auxiliary agent is coated on the nitrate nitrogen base manure containing coating agent, obtains nitro-compound fertilizer.
Specifically, the nitrate nitrogen base manure containing coating agent is obtained coating agent is sprayed onto granular nitrate nitrogen base manure
After 30s~90s, the nitrate nitrogen base manure of Xiang Hanyou coating agent sprays auxiliary agent, and rotating cylinder coating obtains nitro-compound fertilizer, wherein auxiliary agent
Including organic matter material.Coating agent is sprayed onto stop 30s~90s on granular nitrate nitrogen base manure, enables to coating agent
It is wrapped up on nitre state base manure uniform.
In one of the embodiments, after 30s~90s that coating agent is sprayed onto granular nitrate nitrogen base manure, shape
At coating layer；Then auxiliary agent is sprayed on coating layer and form organic horizon, obtain nitro-compound fertilizer.
In one of the embodiments, in terms of mass fraction, the number of auxiliary agent is 1.2 parts~1.5 parts.
Above-mentioned auxiliary agent includes organic matter material, oyster shell powder, anti hardening agent, microbial bacteria in one of the embodiments,
Agent and soil conditioner.
In one of the embodiments, based on mass fraction, every 150 parts of above-mentioned auxiliary agent includes 10 parts~20 parts organic
Matter raw material, 40 parts~50 parts of oyster shell powder, 20 parts~60 parts of anti hardening agent, 5 parts of microbial bacterial agent and 10 parts of soil
Modifying agent.
It is understood that step S110 and step S130 are without sequencing.Can first step S110, can also first step
S130。
Traditional nitro compound fertilizer needs higher temperature (180 DEG C or so) in process of production, if routinely technique directly adds
Add organic matter, its carbonization easily made to lose activity, more likely in process of production, with oxidability nitrate ion with
Organic matter reacts, and generates bulk gas, and material spilling is caused to cause safety accident.It therefore, will be organic using common process
Matter is added into relatively difficult in nitro-compound fertilizer, and microorganism is more difficult to add.And the preparation method of above-mentioned nitro-compound fertilizer utilizes
Organic matter packet is attached on nitrate nitrogen base manure by coating agent, and coating agent can degrade, simple and direct, the production process of preparation method
No waste generates.And it is easy to get using oyster shell, molasses alcohol fermentation waste liquid etc., and raw material at low cost, it is good in economic efficiency,
Raw material availability is high, can effectively solve the problem that the not high problem of nitro-compound fertilizer fertilizer efficiency.
The nitro-compound fertilizer of one embodiment is made by the preparation method of above-mentioned nitro-compound fertilizer.
Specifically, the raw material for preparing above-mentioned nitro-compound fertilizer includes nitrate nitrogen base manure, coating agent and auxiliary agent, and coating agent includes
Organic matter, free amino acid and complex state zinc, wherein the mass percentage of organic matter is 30%~50%, free amino acid
Concentration be 50g/L~150g/L, the mass percentage of complex state zinc is 1%~10%.Auxiliary agent includes organic matter material.
In one of the embodiments, in terms of mass fraction, the number of nitrate nitrogen base manure is 88 parts~100 parts, auxiliary agent
Number is 1.2 parts~1.5 parts, and the number of coating agent is 0.8 part 1 part.
Above-mentioned nitro-compound fertilizer includes matrix, coating layer and organic horizon in one of the embodiments,.Matrix is particle
The nitrate nitrogen base manure of shape, coating layer are set on matrix, and organic horizon is set on coating layer, and coating layer contains coating agent, and organic layer contains
Auxiliary agent.Wherein, coating agent includes organic matter, free amino acid and complex state zinc, and the mass percentage of organic matter is 30%~
50%, the concentration of free amino acid is 50g/L~150g/L, and the mass percentage of complex state zinc is 1%~10%；Auxiliary agent packet
Include organic matter material.
Above-mentioned nitro-compound fertilizer includes coating agent, nitrate nitrogen base manure and auxiliary agent, and the ingredient of the coating agent is degradable, can be promoted
Into the absorption of crops, the fertilizer efficiency of nitro-compound fertilizer is improved.
The application method of above-mentioned nitro-compound fertilizer, comprising the following steps:
Above-mentioned nitro-compound fertilizer is spread fertilizer over the fields into soil.Specifically, fertilising dosage is 40kg/ mus~50kg/ mus.
Specific embodiment
It is described in detail below in conjunction with specific embodiment.Following embodiment such as non-specified otherwise does not then include except can not
The other components outside impurity avoided.It in embodiment if not otherwise indicated using drug and instrument, is this field conventional selection.
Test method without specific conditions in embodiment, according to normal conditions, such as condition described in document, books or life
The method for producing manufacturer's recommended is realized.It should be noted that the number of following embodiment is mass fraction.
Embodiment 1
The preparation of coating agent
(1) mass concentration of addition 4kg is in the reaction kettle for the molasses alcohol waste liquid for being 50% equipped with 100kg water content
95% concentrated sulfuric acid opens agitating device, and adjusting pH value is 4.5.
(2) the polyethers bean product defoaming agent of 0.3kg and the ammonium persulfate of 5kg are sequentially added after stablizing, and open heating
Device is heated using steam, is heated to 80 DEG C, is reacted 60 minutes, the molasses alcohol waste liquid after degradation is prepared.
(3) boric acid of 1.5kg is added in the molasses alcohol waste liquid after the degradation that step (2) obtains, is stirred to react 70 points
Clock, it is ensured that after being completely dissolved, sequentially add 1.5kg zinc sulfate, 0.75kg manganese sulfate, 0.75kg ferrous sulfate, 0.75kg molybdenum
Sour ammonium, 0.75kg copper sulphate, 0.75kg magnesium sulfate, after sixty minutes, steam off valve stops heating, after reaction solution is cooling for reaction
0.75kg dimethyloldimethylhydantoin is added, stirs evenly, obtains the coating agent of embodiment 1.
(4) organic matter is detected using the organic matter detection method in GB/T 18877；Method in NY/T 1975 detects trip
Content in bleeding sap from stem；Zn content is detected according to the method in NY/T 1975.Testing result shows have in the coating agent of embodiment 1
The mass percentage of machine matter is 40%, and the concentration of free amino acid is 55g/L, and the mass percentage of complex state zinc is 1%；
The partial size of suspended particulate in coating agent is partial size at 2000 nanometers or less.
Embodiment 2~4
The preparation of auxiliary agent
(1) discarded oyster shell is cleaned up, in 600 DEG C of temperature lower calcination 20min, crushes and 300 mesh oysters are made
Shell powder.
(2) oyster shell powder made from step (1) is mixed with the other components of auxiliary agent, obtains the auxiliary agent of embodiment 2~4.
Wherein, the other components and dosage of the auxiliary agent of each embodiment are as shown in table 1.In table 1 microbial bacterial agent be bacillus subtilis with
The mass ratio of the mixture of bacillusmusilaginosiengineering, bacillus subtilis and bacillusmusilaginosiengineering is 80:1.
Table 1
Embodiment 5
It prepares nitro-compound fertilizer and verifies fertilizer efficiency
(1) by 700 parts of granular nitrate nitrogen base manure (Batian Ecological Engineering Co., Ltd., Shenzhen, high-tower granulations
Nitro-compound fertilizer) stochastic averagina is divided into 7 groups, and number is test group 1~7, and the number of every group of nitrate nitrogen base manure is 100.Then exist
Under conditions of 60 DEG C, coating agent number according to shown in table 2 that embodiment 1 is prepared is sprayed onto corresponding other of group respectively
On granular nitrate nitrogen base manure；Wherein, the coating agent of test group 7 be mass percentage be 40% paraffin, quality percentage contains
The mixture for the wax oil that the odium stearate and mass percentage that amount is 30% are 30%.Then according to shown in table 2 after 60 seconds
Number takes the auxiliary agent of each embodiment to respectively correspond and is sprinkled into corresponding group, rotating cylinder coating 3min, and the nitro for obtaining each test group is multiple
Hefei.
Table 2
(2) fertilizing management is carried out using Brassica rapa L of the nitro-compound fertilizer of test group 1~7 to transplanting respectively, and with Norway
Fertilizer plantation Brassica rapa L is as control.After transplanting 30 days, plant height and weighing are measured to the Brassica rapa L of each group respectively, obtained in each group
The single plant of Hai Qing is averaged plant height and average weight, and the results are shown in Table 2.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of nitro-compound fertilizer, which is characterized in that the raw material for preparing the nitro-compound fertilizer includes nitrate nitrogen base manure, coating agent
And auxiliary agent, the coating agent can degrade, the auxiliary agent includes organic matter material.
2. nitro-compound fertilizer according to claim 1, which is characterized in that the coating agent includes organic matter, free amine group
Acid and complex state zinc, the mass percentage of the organic matter are 30%~50%, and the concentration of the free amino acid is 50g/L
~150g/L, the mass percentage of the complex state zinc are 1%~10%.
3. nitro-compound fertilizer according to claim 2, which is characterized in that the coating agent also includes biochemical fulvic acid, glues
Tie at least one of agent, spreader-sticker and defoaming agent.
4. nitro-compound fertilizer according to claim 3, which is characterized in that the binder include xanthan gum, polyvinyl alcohol,
At least one of polyacrylamide, carboxymethyl cellulose and neopelex；The spreader-sticker includes Tween 80, non-
At least one of ionic organosilicon, polyethylene glycol and sodium lignin sulfonate.
5. nitro-compound fertilizer according to claim 1, which is characterized in that in terms of mass fraction, the nitrate nitrogen base manure
Number is 88 parts~100 parts, and the number of the auxiliary agent is 1.2 parts~1.5 parts, and the number of the coating agent is 0.8 part~1 part.
6. nitro-compound fertilizer according to claim 1, which is characterized in that the nitro-compound fertilizer includes matrix, coating layer
And organic horizon, described matrix are granular nitrate nitrogen base manure, the coating layer is set in described matrix, the organic horizon
On the coating layer, the coating layer contains the coating agent, and the organic layer contains the auxiliary agent.
7. described in any item nitro-compound fertilizers according to claim 1~6, which is characterized in that the organic matter material is selected from corruption
In phytic acid class organic matter material, seaweed acids organic matter material, amino acids organic matter material and carbohydrate organic matter material extremely
Few one kind.
8. nitro-compound fertilizer according to claim 7, which is characterized in that the auxiliary agent further includes oyster shell powder, anti-compaction
At least one of agent, microbial bacterial agent and soil conditioner.
9. a kind of preparation method of nitro-compound fertilizer, which comprises the following steps:
Coating agent is coated on nitrate nitrogen base manure, the nitrate nitrogen base manure containing coating agent is obtained, the coating agent can degrade；
And
Auxiliary agent is coated on the nitrate nitrogen base manure containing coating agent, obtains the nitro-compound fertilizer, the auxiliary agent includes
Organic matter material.
10. the preparation method of nitro-compound fertilizer according to claim 9, which is characterized in that further include preparation coating agent
Step, prepare coating agent the step of include:
It is complexed after molasses alcohol waste liquid is degraded with microelement source, obtains coating agent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763114A (en) * | 2020-07-02 | 2020-10-13 | 山东喜福乐生物科技有限公司 | Water-retaining fertilizer containing biochemical potassium fulvate and preparation method thereof |
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Application publication date: 20191108 |