CN104446907B - A kind of nanometer goethite composite foliage fertilizer of amino-acid, preparation method and application - Google Patents
A kind of nanometer goethite composite foliage fertilizer of amino-acid, preparation method and application Download PDFInfo
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- CN104446907B CN104446907B CN201410637448.4A CN201410637448A CN104446907B CN 104446907 B CN104446907 B CN 104446907B CN 201410637448 A CN201410637448 A CN 201410637448A CN 104446907 B CN104446907 B CN 104446907B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
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Abstract
The invention belongs to field of fertilizer manufacturing, there is provided a kind of nanometer of preparation method and application of goethite composite foliage fertilizer of amino-acid.This nanometer of goethite amino acid foliage fertilizer is made up of nanometer goethite, amino acid hydrolyticsolution and deionized water.Wherein, the concentration of goethite is 1g/L.The preparation process of this nanometer of goethite composite foliage fertilizer of amino-acid includes:(1) preparation of nanometer goethite;(2) preparation of amino acid hydrolyticsolution;(3) acquisition of nanometer goethite composite foliage fertilizer of amino-acid.Nanometer goethite in this nanometer of goethite composite foliage fertilizer of amino-acid can be adsorbed effectively on the surface of plant leaf blade, solve foliar fertilizer the plant leaf surface detention time it is short, stability is poor and the utilization rate that causes is low, the problem of growth-promoting DeGrain, and then the action time of effective extension amino acid foliage fertilizer, the utilization rate and spraying effect of foliar fertilizer are improved, the growth of tomato plant is greatly facilitated.
Description
Technical field
The invention belongs to field of fertilizer manufacturing, there is provided a kind of nanometer of goethite-composite foliage fertilizer of amino-acid, the foliar fertilizer
Preparation method, the tomato growth-promoting agent being made using the foliar fertilizer and the application in tomato growth-promoting.
Background technology
Foliage dressing is the important supplement of soil root fertilising, it has also become an important fertilising skill in modern agricultural production
Art.The application of foliar fertilizer has that Nutrient Absorption is fast, with strong points, plant recovery of nutrient is high, application process is easy, reduces agricultural production
The characteristics of investment.However, plant leaf wax coat is had by aliphatic acid, lipid, ketone, primary alcohol, secondary alcohol etc. with hydrophobic
Machine thing is constituted, and delay and infiltration to spray liquid on blade have adverse effect on.Therefore blade epidermis how is overcome to spray
Apply the adverse effect of foliar fertilizer, increase tack of the foliar fertilizer in blade, extension nutrient is sprayed in holdup time on blade face, reduction
Loss, the fertilizer efficiency to foliar fertilizer is just particularly important.At present, people are softened by adding the surfactant of chemical synthesis
Leaf surface wax coat, promotes nutrient to enter blade face epidermis, but during for how to improve nutrient in the adhesive force on blade face and be detained
Between, then lack effective method.
The content of the invention
For in the prior art, Foliar Spraying loss is big, and the present invention is used as foliar fertilizer auxiliary agent by nanometer goethite, carries
Foliar fertilizer adherence on blade high, increases the holdup time, blade face fertilizer nutrient is fully used.
The purpose of the present invention is obtained especially by following technological means:
1. the present invention provides a kind of nanometer goethite-composite foliage fertilizer of amino-acid, and the foliar fertilizer has a nanometer goethite, amino
Acid and deionized water composition.
2. the nanometer goethite-composite foliage fertilizer of amino-acid described in above-mentioned 1, it is characterised in that:Pin iron in the foliar fertilizer
Ore deposit concentration is 1g/L.
3. the nanometer goethite-composite foliage fertilizer of amino-acid described in above-mentioned 2, wherein, amino acid hydrolyticsolution is used by lean pork
Concentrated sulfuric acid hydrolysis is obtained, and the content of amino acid is 34.00g/L, has growth-promoting functions to tomato.
Lean pork can be the lean pork of any kind any part, as long as can cause the content of amino acid after being hydrolyzed
It is 34.00g/L.
4. it is above-mentioned 3 provide nanometer goethite-composite foliage fertilizer of amino-acid, wherein, amino acid hydrolyticsolution by Jiangyin City join
Industry bio tech ltd provides.
5. the preparation method of nanometer goethite-composite foliage fertilizer of amino-acid that above-mentioned any one of 1-4 is provided, including following step
Suddenly:(1) preparation of nanometer goethite:Fe (NO are titrated with KOH solution by hydrothermal synthesis method3)3Solution, the aging suspension for obtaining
100 hours, a nanometer goethite is obtained after centrifugation, dry, grinding;(2) preparation of amino acid hydrolyticsolution:By lean pork and the concentrated sulfuric acid
Mixing, amino acid hydrolyticsolution is obtained after heating hydrolysis;(3) acquisition of nanometer goethite-composite foliage fertilizer of amino-acid:By step
(1) nanometer goethite mixes with amino acid hydrolyticsolution obtained in, ultrasound, shaking table vibration, obtains nanometer goethite-amino acid and is combined
Foliar fertilizer.
6. the preparation method of the nanometer goethite-composite foliage fertilizer of amino-acid described in above-mentioned 5, specific steps are received including (1)
The preparation of rice goethite:In the presence of magnetic agitation, dripped with the speed of 10ml per minute with the KOH solution of 2.5M 125ml
Determine the Fe (NO of 0.5M 30ml3)3Solution, after KOH has all been titrated, constant temperature is aging during the suspension that will be obtained is placed on 60 DEG C of baking ovens
100 hours;After being cooled to room temperature, by 8000rpm/min centrifugations, deionized water is then used the yellow mercury oxide for obtaining
Precipitation is rinsed, the circulating repetition 6 times, 40 DEG C of dryings of the precipitation that will finally obtain, grinding can obtain nanometer goethite.
(2) preparation of amino acid hydrolyticsolution:In 80 DEG C of water-bath, thin pork stripping and slicing is put into triangular flask, so
Concentrated sulfuric acid hydrolysis is added afterwards, triangular flask is taken out after hydrolysis terminates, imported in Plastic Drum after being cooled to room temperature, neutralized with KOH
The pH of hydrolyzate, makes it be finally reached 1, and the content of amino acid is 34.00g/L, and hydrolyzate is saved backup.
(3) acquisition of nanometer goethite-composite foliage fertilizer of amino-acid:It is each in three plastic reaction bottles to add 1L amino acid
Hydrolyzate, is added thereto to the nanometer goethite of 0.1g, 0.5g and 1g, then ultrasonic disperse 20min respectively, shaking table vibration
30min, that is, obtain nanoneedle iron ore-composite foliage fertilizer of amino-acid.
7. the present invention also provides a kind of tomato growth-promoting agent, and the growth-promoting agent includes the nanometer described in claim any one of 1-3
Goethite-composite foliage fertilizer of amino-acid.
8. nanometer goethite-application of the composite foliage fertilizer of amino-acid in tomato growth-promoting that above-mentioned any one of 1-4 is provided.
9. above-mentioned 5 or 6 provide nanometer goethite-composite foliage fertilizer of amino-acid preparation method in tomato growth-promoting should
With.
Beneficial effect:
Nano particle refer to it is at least one-dimensional in three dimensions be between nanoscale scope, i.e. 1-100nm, or by them
Elementary cell constitute material.Nano particle has big specific surface area, and chemism and physical affinity high are extensive
Apply in biology, medical science, materialogy field.Nanometer goethite surface functional groups are mainly both sexes iron hydroxyl, hydration base and edge
Unsaturated iron atom.With specific surface area it is big, structural hydroxyl is more, surface charge is high, high adsorption capacity the characteristics of, and synthesize pure
Degree is high, is conveniently easy to get, and repeats and prepares, environmentally safe, is a kind of efficient sorbing material.It can be adsorbed in wax coat
The hydrophobic surface on surface, applying can improve its adherence and holdup time in blade on foliar fertilizer, be filled nutrient
Divide and utilize.
1. one of raw material of nanometer goethite-amino acid foliage fertilizer that prepared by the present invention, the i.e. specific surface of nanometer goethite
Product is big, many structural hydroxyls, surface charge high and the characteristics of high adsorption capacity, and it is high to synthesize purity, is conveniently easy to get, and repeats and makes
It is standby, detected by TEM and infrared spectrum can be found that nanometer goethite size between 14-15nm, reaches after composition
The requirement of nano particle, and contain F-OH and Fe-O functional groups.The amino acid content of amino acid foliage fertilizer is after measured
34.00g/L。
2., because nanometer goethite can adsorb the hydrophobic surface on wax surface, applying can improve it on foliar fertilizer
Adherence, holdup time in blade, make nutrient be fully used.Through nanometer goethite-ammonia prepared by overtesting, the present invention
Base acid foliar fertilizer can significantly promote tomato plant overground part, underground part, plant height and the thick growth of stem, and individually spray amino
Acid hydrolysis liquid illustrates that this nanometer of goethite-amino acid foliage fertilizer can be effectively promoted tomato growth compared to there is significant difference.
3. nanometer goethite-amino acid foliage fertilizer that prepared by the present invention, is ground by adding different amounts of nanometer goethite
Study carefully growth-promoting effect, as a result show that, when the addition of nanometer goethite is 1g/L, this nanometer of goethite-amino acid fertilizer is to tomato
Growth-promoting effect it is best.
Brief description of the drawings
Fig. 1 nanometers of Electronic Speculum of goethite (TEM) figure and electron diffraction diagram
Fig. 2 nanometers of infrared spectrum of goethite (FTIR) figure
Fig. 3 nanometers of goethite-amino acid foliage fertilizer is to tomato growth-promoting functions (p<0.05)
A. influence of the greenhouse pot culture experiment treatment to tomato plant height, different lowercase letter significant differences
B. influence of the greenhouse pot culture experiment treatment to tomato overground part dry weight, different lowercase letter significant differences
C. influence of the greenhouse pot culture experiment treatment to tomato underground part dry weight, different lowercase letter significant differences
D. the greenhouse pot culture experiment treatment influence thick to tomato stem, different lowercase letter significant differences
Specific embodiment
With reference to embodiment, the present invention will be further described, the experiment side of unreceipted actual conditions in following Examples
Method, generally according to the known approaches of this area.
Embodiment 1.
1. the synthesis of nanometer goethite with characterize
In the presence of magnetic agitation, in vinyon beaker, with the KOH solution of 2.5M 125ml with per minute
The speed of 10ml titrates the Fe (NO of 0.5M 30ml3)3Solution, after KOH has all been titrated, the suspension that will be obtained is placed on 60 DEG C
Aging 100 hours of constant temperature in baking oven;After being cooled to room temperature, the yellow mercury oxide for obtaining by 8000rpm/min centrifugations,
Then precipitated with deionized water rinsing, the circulating repetition 6 times, 40 DEG C of dryings of the precipitation that will finally obtain, grinding can be received
Rice goethite.The nanometer goethite of synthesis observes its pattern and particle chi with 200kV Flied emissions transmission electron microscope (TEM)
Very little size, INSTRUMENT MODEL is JEM-2100F.Nanometer goethite is made suspension first, ultrasonic disperse 10min drops in suspension
Continue dropwise addition on copper mesh, after drying to be repeated 3 times, then analyzed on TEM.As shown in figure 1, the nanometer goethite crystalline of synthesis
Shape is all needle-like, and mean breadth shows that the mineral for synthesizing have good crystallization, meet in 14nm, the appearance of electronic diffraction circle
The requirement of nano particle.The surface functional group of nanometer goethite is analyzed with NicoletiS10 Fourier infrared spectrographs, is such as schemed
Shown in 2,891,795,638 and 3380cm-1Peak represent the vibration of Fe-OH and Fe-O, they can be with the hydrophobic table of wax coat
Face is affine, extends the foliar fertilizer holdup time.
2. the preparation of amino acid hydrolyticsolution
In 80 DEG C of water-bath, lean pork stripping and slicing is put into triangular flask, is subsequently adding concentrated sulfuric acid hydrolysis, treat hydrolysis knot
Triangular flask is taken out after beam, is imported in Plastic Drum after being cooled to room temperature, with the pH of KOH neutralizing hydrolysis liquid, it is finally reached 1,
Then hydrolyzate is saved backup, the content of the amino acid for finally giving is 34.00g/L.
3. the preparation of the nanometer goethite-composite foliage fertilizer of amino-acid of different nanometer goethite additions
It is each in three vinyon beakers to add 1L amino acid hydrolyticsolutions, be added thereto to respectively 0.1g, 0.5g and
The nanometer goethite of 1g, then excusing from death dispersion 20min, shaking table vibration 30min, that is, obtain the compound leaf of nanoneedle iron ore-amino acid
Leaven.500 times are diluted when using.
4. the growth-promoting experiment of pair tomato
The pot experiment of tomato growth-promoting is in Jiangsu Province's solid organic castoff resource Hi-Tech Key Laboratory temperature
Carried out in the greenhouse of room, experiment sets 8 treatment, and scheme is as follows:(1) CK, to spray deionized water as control;(2) G1, by 10ml/
Strain sprays the nanometer goethite suspension of the 0.1g/L of 500 times of dilution on the blade face of tomato;(3) G2, dilution is sprayed by 10ml/ plants
The nanometer goethite suspension of 500 times of 0.5g/L is on the blade face of tomato;(4) G3, the 1g/ for diluting 500 times is sprayed by 10ml/ plants
The nanometer goethite suspension of L is on the blade face of tomato;(5) A, by 10ml/ plants spray dilution 500 times amino acid hydrolyticsolution in kind
On the blade face of eggplant;(6) AG1, is the acid hydrolysis of 0.1g/L by the 10ml/ plants of nanometer goethite concentration for spraying 500 times of dilution
Liquid is on the blade face of tomato;(7) AG2, is the amino of 0.5g/L by the 10ml/ plants of nanometer goethite concentration for spraying 500 times of dilution
Acid hydrolysis liquid is on the blade face of tomato;(8) AG3, is 1g/L's by the 10ml/ plants of nanometer goethite concentration for spraying 500 times of dilution
Amino acid hydrolyticsolution is on the blade face of tomato.Each 10 repetition for the treatment of, soil 2kg is filled per basin, uses the nitrogen of equivalent, phosphorus, potassium
Fertilizer.After after seedling replanting 2 weeks, start to spray foliar fertilizer, sprayed once every 6 days, after being repeated 5 times, determine the strain of tomato plant
High, stem is thick, overground part dry weight and underground part dry weight.
As shown in figure 3, nanometer goethite concentration is significantly higher than for the fertilizer efficiency of the nanometer goethite-amino acid foliage fertilizer of 1g/L
CK and singly apply the A treatment of amino acid foliage fertilizer;The addition concentration effect most preferably 1g/L of nanometer goethite, addition is
During 0.1g/L and 0.5g/L, growth-promoting DeGrain.By scheme (2), (3), (4) nanometer goethite independent spraying test,
Its result shows that the growth individually using nanometer goethite on tomato plant does not influence, with the CK treatment no significance differences of contrast
It is different.
It is recognised that the illustrative embodiments that examples detailed above is used only for explanation inventive principle, but it is of the invention
This is not limited only to, those skilled in the art can make various improvement and change in the case where real situation of the present invention is not departed from, these
Improve and change falls within protection scope of the present invention.
Claims (2)
1. a kind of nanometer goethite-composite foliage fertilizer of amino-acid, it is characterised in that:The foliar fertilizer is by nanometer goethite, amino acid
Constituted with deionized water;Nanometer goethite concentration is 1g/L in foliar fertilizer;
Described nanometer goethite-composite foliage fertilizer of amino-acid is obtained by following preparation method:(1) preparation of nanometer goethite:
In the presence of magnetic agitation, the Fe of 0.5M 30ml is titrated with the speed of 10ml per minute with the KOH solution of 2.5M 125ml
(NO3)3Solution, after KOH has all been titrated, the suspension that will be obtained is placed on aging 100 hours of constant temperature in 60 DEG C of baking ovens;It is cooled to
After room temperature, then then the yellow mercury oxide for obtaining is precipitated by 8000rpm/min centrifugations with deionized water rinsing, this is followed
Ring is repeated 6 times, 40 DEG C of dryings of the precipitation that will finally obtain, and grinding can obtain nanometer goethite;
(2) preparation of amino acid hydrolyticsolution:In 80 DEG C of water-bath, thin pork stripping and slicing is put into reaction bulb, Ran Houjia
Enter concentrated sulfuric acid hydrolysis, take out reaction bulb after hydrolysis terminates, imported in Plastic Drum after being cooled to room temperature, use KOH neutralizing hydrolysis
The pH of liquid, makes it be finally reached 1, and the content of amino acid is 34.00g/L, and hydrolyzate is saved backup;
(3) acquisition of nanometer goethite-composite foliage fertilizer of amino-acid:1L amino acid hydrolyticsolutions are added in plastic reaction bottle, to
1g nanometers of goethite is wherein added, then ultrasonic disperse 20min, 30min is vibrated with shaking table, that is, obtain nanoneedle iron ore-amino
Sour composite foliage fertilizer.
2. nanometer goethite described in claim 1-application of the composite foliage fertilizer of amino-acid in tomato growth-promoting.
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CN108440148A (en) * | 2018-05-31 | 2018-08-24 | 佛山市高明区爪和新材料科技有限公司 | A kind of preparation method of high-efficiency foliage fertilizer |
CN114586614B (en) * | 2022-03-16 | 2023-08-08 | 江南大学 | Application of manganese ferrite nano material in inducing premature flowering and yield increase of tomatoes |
CN116161708A (en) * | 2022-12-16 | 2023-05-26 | 浙江工业大学 | Preparation method for synthesizing pyrite by hydrothermal method |
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