CN106083290A - A kind of fertilizer efficiency retention agent and application thereof - Google Patents
A kind of fertilizer efficiency retention agent and application thereof Download PDFInfo
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- CN106083290A CN106083290A CN201610384165.2A CN201610384165A CN106083290A CN 106083290 A CN106083290 A CN 106083290A CN 201610384165 A CN201610384165 A CN 201610384165A CN 106083290 A CN106083290 A CN 106083290A
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- retention agent
- nitrogen
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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
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to technical field of agricultural fertilizers, disclose a kind of fertilizer efficiency retention agent and application thereof.Retention agent of the present invention includes silicate mineral, nitrogen regulator, phosphorus element regulator and plant growth active factors；Described nitrogen regulator is urease inhibitor and nitrification inhibitor.Retention agent of the present invention increases urease inhibitor and natural minerals, coordinate suitable phosphorus element regulator, nitrification inhibitor and plant growth active factors, mutually promote between each component, jointly play a role, increase conservation rate and the water-soluble phosphorus content of soil of nitrogen phosphorus nutrient, reduce ammonia volatilization rate, increase the utilization rate of fertilizer further.
Description
Technical field
The present invention relates to technical field of agricultural fertilizers, particularly relate to a kind of fertilizer efficiency retention agent and application thereof.
Background technology
Fertilizer is one of most important means of production of agricultural production, is the material base of agricultural sustainable development.Since 1840
Since year Germanization scholar Liebig J V proposes mineral nutrition of plant theory, fertilizer has become the strong of promotion world agriculture development
Great.But, through the development of more than 100 years, the rate of release of fertilizer nutrient always cannot manual control, rate of release is too
Hurry up, crop has little time to absorb and just lost.After incorporation of fertilizerin the soil, the physical route such as existing volatilization, seepage, runoff runs off,
Having again nutrient molecule, (amidonitrogen converts to ammonium nitrogen, nitrate nitrogen in the conversion of ionic forms；Water-soluble phosphorus is combined by metal ion
Become indissoluble phosphorus) etc. chemistry route run off waste, there is also considerable degree of nutrient loss in this process.Therefore China is caused
Utilization rate of fertilizer is low, external utilization rate of nitrogen fertilizer 50%～55%, domestic only 30%～35%, serious waste of resources；Simultaneously as
Fertilizer loss causes serious water pollution (water body nitrogen, phosphorus, potassium exceed standard and causes eutrophication), atmospheric pollution, even results in
Nitrate in Vegetable severe overweight.Therefore, slow down, control the dissolving of fertilizer nutrient, rate of release and become raising fertilizer utilization
One of environmental pollution approach the most direct, maximally effective that rate, minimizing cause because of nutrient loss.
Slow/Controlled Release Fertilizers can supply nutrient according to the regulation of fertilizer requirement of crop, and the nutrient discharged can be inhaled by crop faster
Receiving and utilize, nutrient loss is substantially reduced, and utilization rate of fertilizer significantly improves, and increases income such that it is able to reach abridged edition, economize on resources, reduces
The purpose of environmental pollution.At present both at home and abroad the slowly/controlled releasing fertilizer of research and development can be divided into coating (peplos) type and non-packet the shapes of the clothes slow/
The big class of Controlled Release Fertilizer two.Owing to non-packet the shapes of the clothes Slow/Controlled Release Fertilizers need to add various controlled-release material, inhibitor in fertilizer production, or
Addition can be with the material of nutrient generation chemical reaction, and to reaching slow/controlled release effect, its production technology is extremely complex, investment is big,
Being difficult by common fertilizer and produce equipment, cost is high, and slow/controlled release effect is undesirable, is the most progressively coated type Slow/Controlled Release Fertilizers and takes
Generation.But, existing coating type Slow/Controlled Release Fertilizers produces equipment and thin-film material cost is high, cause coated fertilizer expensive；Most
Coating type Slow/Controlled Release Fertilizers uses the petroleum solvents such as toluene, dimethylbenzene, petroleum ether to dissolve coating material, and toxicity is higher, to production
Personnel health is harmful to application；Other uses trichloro ethylene, tetrachloroethylene, tetrachloromethane etc. to make solvent, can damage the ozone layer, make
Become atmospheric pollution.Part coating material there is also difficult degradation, easily causes the problems such as environmental pollution.
Chinese patent CN102992907A and CN102992908A individually disclosed a kind of nitrogenous fertilizer potentiation control lose agent and
Agent and preparation method thereof is lost in preparation method and a kind of fertilizer synergistic control, is sent out by nitrogen stabilizer, biosurfactant, biology
Ferment aminoacids complex, plant growth regulator, metal ion chelation agent and water composition, two kinds of products can reduce nitrogen and phosphorus element
Loss, improve utilization rate of fertilizer, but its effect in terms of fertilizer efficiency holding still needs to be improved further.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of fertilizer efficiency retention agent so that it is fertilizer can be substantially reduced (containing acyl
Amine state nitrogen) in nitrogen ammonia loss by volatilization.
Further object is that a kind of fertilizer efficiency retention agent of offer so that it is soil phosphorus activity can be significantly improved
And water-soluble phosphorus content, the phosphorus element fixed by soil metal ion is again dissolved, discharges.
Further object is that a kind of fertilizer efficiency retention agent of offer so that it is Nitrogen, phosphorus can be significantly improved
Nutrient conservation rate, not easily runs off.
To achieve these goals, the present invention provides following technical scheme:
A kind of fertilizer efficiency retention agent, including silicate mineral, nitrogen regulator, phosphorus element regulator and plant growth activity because of
Son；Described nitrogen regulator is urease inhibitor and nitrification inhibitor.
For the prior art defect that effect is the highest in terms of fertilizer efficiency holding, the present invention selects silicate mineral to coordinate nitrogen
Regulator (increase urease inhibitor), phosphorus element regulator and plant growth active factors together act on fertilizer, silicate mineral
There is hydration swelling effect, can adsorb by the weak force such as hydrogen bond, Van der Waals force, combine fertilizer nutrient and auxiliary agent between crystal layer
Composition, and stick with soil colloid on so that it is effect slowly discharges.Being mutually promoted by multiple auxiliary component, performance is collaborative to be made
With, reduce fertilizer nutrient and run off, keep the effect of fertilizer efficiency.
Wherein, as preferably, in parts by weight, described retention agent includes that 40-80 part silicate mineral, 1-20 part nitrogen are adjusted
Joint agent, 10-50 part phosphorus element regulator and 1-20 part plant growth active factors.Meanwhile, in the detailed description of the invention of the present invention,
Can also select parts by weight as follows:
(1) 62 part of silicate mineral, 17 parts of nitrogen regulators, 12.5 parts of phosphorus element regulators and 8.5 parts of plant growth activity
The factor；
(2) 57 parts of silicate minerals, 17 parts of nitrogen regulators, 25 parts of phosphorus element regulators and 1 part of plant growth active factors；
(3) 70 parts of silicate minerals, 2 parts of nitrogen regulators, 20 parts of phosphorus element regulators and 8 parts of plant growth active factorses；
(4) 64 parts of silicate minerals, 6 parts of nitrogen regulators, 15 parts of phosphorus element regulators and 15 parts of plant growth active factorses；
(5) 47.5 parts of silicate minerals, 1.5 parts of nitrogen regulators, 50 parts of phosphorus element regulators and 1 part of plant growth activity because of
Son.
As preferably, described silicate mineral is Kaolin, kieselguhr, zeolite, expanded vermiculite, attapulgite, bentonite
In one or more.In the detailed description of the invention of the present invention, described silicate mineral may select Kaolin and expansion
A kind of use that Vermiculitum is used in combination or uses in bentonite, expanded vermiculite.
As preferably, in nitrogen regulator of the present invention, the weight ratio of urease inhibitor and nitrification inhibitor is (1-4): (1-
15).In the detailed description of the invention of the present invention, both weight ratios can be chosen as 4:13,1:3,1:1 or 1:2.
As preferably, described urease inhibitor is hydroquinone, benzoquinone, Borax, catechol, resorcinol, hydroquinone, sulfur
One in urea, o-diphenylphosphoryl diamidogen, catechol, thiophosphoryl triamide, normal-butyl thiophosphoryl triamine, phosphoric triamide or
Two or more.As preferably, described nitrification inhibitor is dicyandiamide, 2-chloro-6-(benzotrichloride) pyridine, guanyl thiourea, 3-first
One in double (benzotrichloride) s-triazine of base pyrazoles, 2-sulfathiazole, 3,4-dimethyl pyrazole phosphate, 2-methyl-4,6-
Or it is two or more.In the detailed description of the invention of the present invention, described nitrogen regulator may select hydroquinone and dicyandiamide, positive fourth
One of base thiophosphoryl triamide and 3,4-dimethyl pyrazole phosphate, thiourea and dicyandiamide.
As preferably, described phosphorus element regulator is citric acid, humic acid, diethylenetriamine pentaacetic acid, aminotriacetic acid, Fructus Mali pumilae
One or more in acid.In the specific embodiment of the invention, citric acid and diethylenetriamine pentaacetic acid group can be selected
Conjunction, citric acid and malic acid combination or malic acid and aminotriacetic acid are combined.
As preferably, described plant growth active factors is aminoacid, poly-aspartate, fulvic acid, potassium fulvate, multiple nitre
One or more in phenol sodium, indoles, diethyl aminoethyl hexanoate, sodium bacillus subtilis lipopeptide.Specific embodiment party in the present invention
In formula, diethyl aminoethyl hexanoate and sodium bacillus subtilis lipopeptide combination or poly-aspartate and diethyl aminoethyl hexanoate combination can be selected.
Fertilizer efficiency retention agent of the present invention is added in diammonium phosphate fertilizer, carries out the survey of nitrogen phosphorus nutrient conservation rate respectively
Mensuration that fixed, ammonia volatilization rate reduces and the mensuration that the water-soluble phosphorus of soil increases, result show, compares the phosphoric acid without interpolation retention agent
Diammonium comparison and patent CN102992907A and the reference product of CN102992908A, the present invention all table in terms of above three
Reveal more significantly advantage.Technique effects based on these excellences, the invention provides described fertilizer efficiency retention agent at preparation fertilizer
Application in material, particularly in the fertilizer preparing nitrogenous, phosphorus.
Meanwhile, the present invention also provides for a kind of fertilizer, and it comprises retention agent of the present invention, and it is total that addition may be selected to be fertilizer
The 2% of weight
From above technical scheme, retention agent of the present invention increases urease inhibitor and natural minerals, coordinates
Suitable phosphorus element regulator, nitrification inhibitor and plant growth active factors, mutually promotes between each component, jointly plays work
With, increase conservation rate and the water-soluble phosphorus content of soil of nitrogen phosphorus nutrient, reduce ammonia volatilization rate, increase the utilization rate of fertilizer further.
Detailed description of the invention
The embodiment of the invention discloses a kind of fertilizer efficiency retention agent and application thereof, in those skilled in the art can use for reference herein
Hold, be suitably modified technological parameter and realize.Special needs to be pointed out is, all similar replacements and change are to those skilled in the art
For be apparent from, they are considered as being included in the present invention.Retention agent of the present invention and application are by preferably
Embodiment is described, and related personnel substantially can be to side as herein described in without departing from present invention, spirit and scope
Method and application are modified or suitably change and combine, and realize and apply the technology of the present invention.
Hereinafter a kind of fertilizer efficiency retention agent provided by the present invention and application thereof are described further.
Embodiment 1: fertilizer efficiency retention agent of the present invention
Silicate mineral: 57 weight portions, including Kaolin 32 weight portion, expanded vermiculite powder 25 weight portion；
Plant growth active factors: diethyl aminoethyl hexanoate 0.9 weight portion；Sodium bacillus subtilis lipopeptide 0.1 weight portion；
Nitrogen regulator: hydroquinone 4 weight portion, dicyandiamide 13 weight portion；
Phosphorus element regulator: malic acid 23 weight portion, diethylenetriamine pentaacetic acid 2 weight portion.
Preparation method: mechanical mixture.
Embodiment 2: fertilizer efficiency retention agent of the present invention
Silicate mineral: bentonite 30 weight portion, expanded vermiculite powder 40 weight portion；
Plant growth active factors: 8 weight portions, including poly-aspartate 7 weight portion, fresh amine ester 1 weight portion；
Nitrogen regulator: normal-butyl thiophosphoryl triamine 1 weight portion, 3,4-dimethyl pyrazole phosphate 1 weight portion；
Phosphorus element regulator: citric acid 15 weight portion, malic acid 5 weight portion；
Preparation method: mechanical mixture.
Embodiment 3: fertilizer efficiency retention agent of the present invention
Silicate mineral: bentonite 64 weight portion；
Plant growth active factors: potassium fulvate 15 weight portion；
Nitrogen regulator: 6 weight portions, including hydroquinone 1.5 weight portion, dicyandiamide 4.5 weight portion；
Phosphorus element regulator: malic acid 10 weight portion, aminotriacetic acid 5 weight portion；
Preparation method: mechanical mixture.
Embodiment 4: fertilizer efficiency retention agent of the present invention
Silicate mineral: expanded vermiculite powder 47.5 weight portion；
Plant growth active factors: poly-aspartate 1 weight portion,
Nitrogen regulator: 1.5 weight portions, including thiourea 0.5 weight portion, dicyandiamide 1 weight portion；
Phosphorus element regulator: malic acid 50 weight portion.
Preparation method: mechanical mixture.
Embodiment 5: fertilizer efficiency keeps detection
Common Diammonium phosphate (DAP) is heated to molten condition, adds fertilizer efficiency retention agent in 2% ratio (weight ratio), prepare and keep
Property diammonium phosphate fertilizer, carries out the detection of following index, respectively to observe the effect of fertilizer efficiency retention agent to retentivity Diammonium phosphate (DAP).
Blank group: be not added with the Diammonium phosphate (DAP) of any retention agent；
Existing product matched group: be added with patent CN102992907A and CN102992908A embodiment 1-4 potentiation control is lost
The retentivity Diammonium phosphate (DAP) of agent；
Test group of the present invention: be added with the retentivity Diammonium phosphate (DAP) of embodiment of the present invention 1-4 retention agent.
1, the mensuration (sand post leaching method) of nutrient conservation rate
By the method in GB/T 10209.1, GB/T 10209.2 standard, measure nitrogen, phosphorus nutrient content in sample respectively.
Loading quartz sand 90.0g in leaching post, slowly rotate card punch with card punch in sand post central authorities, sand post is formed
One diameter 12mm, deep 30mm cylindrical recess.Weigh each group of Diammonium phosphate (DAP) 2.000g, pour leaching sand post middle position circle into funnel
In hole.Stoppering leaching post upper orifice with rubber closure, regulation peristaltic pump flow velocity is (13 ± 0.5) mL, min, rotates forward peristaltic pump
Distilled water (25 DEG C) is pressed into leaching post from water inlet pipe, 200ml volumetric flask is positioned over effluent pipe mouth lower end and accepts leaching liquor,
Stop receiving when leaching liquor to graduation mark, shake up.
By the method in GB/T 10209.1, GB/T 10209.2 standard, take certain volume leaching liquor respectively, measure leaching
Liquid nitrogen (total nitrogen), phosphorus (P2O5) total nutrient content.
Nutrient conservation rate X (%) is calculated as follows:
In formula:
N1The content of nitrogen (total nitrogen), % in sample；
P1Phosphorus (P in sample2O5) content, %；
N2The content of nitrogen (total nitrogen), % in leaching liquor；
P2Phosphorus (P in leaching liquor2O5) content, %.
Result of calculation represents 2 significant digits, the results are shown in Table 1.
Table 1 with the addition of the nutrient conservation rate of the fertilizer sample of different embodiment
As shown in Table 1, after adding fertilizer efficiency retention agent of the present invention, in Leaching Experiments, retentivity Diammonium phosphate (DAP) nutrient dissolves
Slowly, the nutrient of leaching loss is few.Fertilizer nutrient conservation rate is high, not easily runs off, and other nutrient conservation rates respectively organized are the lowest
In the present invention.
2, ammonia volatilization slip
Within a period of time, phospho-ammonium fertilizer effect retention agent can reduce Diammonium phosphate (DAP) nitrogen ammonia loss by volatilization, blank etc. nitrogen quantity
The ammonia volatilization amount of comparison Diammonium phosphate (DAP) sample will produce difference with the ammonia volatilization amount keeping Diammonium phosphate (DAP) sample, and this difference is with empty
The percentage ratio i.e. ammonia volatilization slip of the ammonia volatilization amount of white comparison Diammonium phosphate (DAP).
Experimental procedure:
Weigh 1.0g retentivity Diammonium phosphate (DAP) and 0.5g carbamide, weigh 1.0g blank Diammonium phosphate (DAP) simultaneously and urinate with 0.5g
Element, puts into the 250mL conical flask that bottleneck diameter is consistent.Accurately add the urase solution of 100mL 0.15g/mL, shake at constant temperature
Swinging in incubator at 37 DEG C, 120/min insulation concussion cultivates 24h (as used the cultivation of air bath isothermal vibration incubator, Ying
Put into sample and reach timing after set point of temperature half an hour), cultivate after terminating, filter, draw 20mL filtrate, carry out total nitrogen content survey
Fixed, carry out by GB/T2441.1-2008 standard.Every batch sample carries out three parallel tests.
Ammonia volatilization slip dA, numerical value represents with %, is calculated as follows.
In formula:
DA-ammonia volatilization slip (%)；
Total nitrogen content of N blank diammonium；
The residual nitrogen mass fraction of the blank diammonium sample that n cultivates through ammonia volatilization；
M keeps total nitrogen content of diammonium sample；
The residual nitrogen mass fraction keeping diammonium sample that m cultivates through ammonia volatilization.
Result of calculation represents 2 significant digits, the results are shown in Table 2.
Table 2 with the addition of the ammonia volatilization slip of the fertilizer sample of different product
| Process group | Ammonia volatilization slip/% |
| The embodiment of the present invention 1 group | 73.63 |
| The embodiment of the present invention 2 groups | 61.13 |
| The embodiment of the present invention 3 groups | 62.59 |
| The embodiment of the present invention 4 groups | 54.02 |
| CN102992907A embodiment 1 group | 42.84 |
| CN102992907A embodiment 2 groups | 44.62 |
| CN102992907A embodiment 3 groups | 41.49 |
| CN102992907A embodiment 4 groups | 40.14 |
| CN102992908A embodiment 1 group | 36.69 |
| CN102992908A embodiment 2 groups | 37.56 |
| CN102992908A embodiment 3 groups | 38.78 |
| CN102992908A embodiment 4 groups | 39.22 |
As shown in Table 2, fertilizer efficiency retention agent of the present invention can suppress nitrogen ammonia loss by volatilization, and ammonia volatilization significantly reduces, with existing
The Diammonium phosphate (DAP) of product comparison is compared, and retentivity Diammonium phosphate (DAP) of the present invention can reach minimizing 70% nitrogen ammonia loss by volatilization.
3, soil water-soluble phosphorus increment rate
Within a period of time, fertilizer efficiency retention agent improves Determination of Water Soluble Phosphorus in Soil content, the blank Diammonium phosphate (DAP) of equivalent
The water amount of phosphorus dissolved of sample will produce difference with the water amount of phosphorus dissolved keeping Diammonium phosphate (DAP) sample, this difference and blank di(2-ethylhexyl)phosphate
The percentage ratio i.e. soil water-soluble phosphorus increment rate of the water amount of phosphorus dissolved of ammonium.
Experimental procedure:
If blank Diammonium phosphate (DAP) and each group of holding multiple process of Diammonium phosphate (DAP), each process repeats, after sieving for three times
Blank Diammonium phosphate (DAP) and keep Diammonium phosphate (DAP) weigh 0.5g respectively, be respectively charged into after mixing homogeneously with 20g wind desiceted soil
In 250mL volumetric flask, accurately add 2g/L calcium chloride solution 100mL (extracting solution), shaken cultivation 4 hours on concussion shaking table
(oscillation rate 180r/min), is diluted with water to scale, shakes up after taking-up.Dry filtration is carried out with dry funnel and without phosphorus filter paper,
Filtrate water soluble to be detected phosphorus is used.Do reagent blank test simultaneously.
Water-soluble phosphorus measures
With single graticule pipette, extract 25.00mL filtrate, move in 500ml beaker, add 10ml nitric acid (1+1) solution,
It is diluted with water to 100ml, is preheated to boil, addition 35ml quinoline molybdenum lemon ketone reagent, cap upper surface ware, micro-boiling 1min on electric hot plate,
Take out beaker and be cooled to room temperature.
Filter precipitation by glass sand core crucible, then crucible is placed in 180 ± 2 DEG C of drying baker together with precipitation, treats temperature
It is dried 45min after reaching 180 DEG C, moves in exsiccator and cool down, weigh.
Water-soluble phosphorus content, available phosphorus content, represent with phosphorus pentoxide mass percent, be calculated as follows.
In formula:
m1--phosphomolybdic acid quinoline precipitation quality, g；
m2--blank assay gained phosphomolybdic acid quinoline precipitation quality, g；
m0--Diammonium phosphate (DAP) quality, g；
V-precipitate taken extracting solution cumulative volume, ml；
v1-draw extracting liquid volume, ml；
0.03207--phosphomolybdic acid quinoline mass conversion is the coefficient of phosphorus pentoxide quality.
Determination of Water Soluble Phosphorus in Soil increment rate dC, numerical value represents with %, is calculated as follows.
In formula:
A: keeping Diammonium phosphate (DAP) to process lower water-soluble phosphorus content, unit is milligram (mg)；
B: blank Diammonium phosphate (DAP) processes lower water-soluble phosphorus content, and unit is milligram (mg)；
The results are shown in Table 3.
The soil water-soluble phosphorus increment rate of the fertilizer sample that table 3 with the addition of different product
As shown in Table 3, fertilizer efficiency retention agent of the present invention can improve soil phosphorus activity, the phosphorus will fixed by soil metal ion
Element again dissolves, discharges, and compared with each comparison, the water-soluble phosphorus content of soil of retentivity Diammonium phosphate (DAP) has had bright in 4 hours
Aobvious raising.
The above method being only intended to understand the present invention and core concept thereof, it is noted that for the art
Those of ordinary skill for, under the premise without departing from the principles of the invention, the present invention can be carried out some improvement and modification,
These improve and modify the protection domain also falling into right of the present invention.
Claims (10)
1. a fertilizer efficiency retention agent, it is characterised in that include that silicate mineral, nitrogen regulator, phosphorus element regulator and crop are raw
The long acting factor；Described nitrogen regulator is urease inhibitor and nitrification inhibitor.
The most according to claim 1, retention agent, it is characterised in that in parts by weight, including 40-80 part silicate mineral, 1-
20 parts of nitrogen regulators, 10-50 part phosphorus element regulator and 1-20 part plant growth active factors.
Retention agent the most according to claim 1, it is characterised in that described silicate mineral be Kaolin, kieselguhr, zeolite,
One or more in expanded vermiculite, attapulgite, bentonite.
Retention agent the most according to claim 1, it is characterised in that the weight ratio of described urease inhibitor and nitrification inhibitor is
(1-4):(1-15)。
Retention agent the most according to claim 1, it is characterised in that described urease inhibitor is hydroquinone, benzoquinone, Borax, adjacent benzene
Diphenol, resorcinol, hydroquinone, thiourea, o-diphenylphosphoryl diamidogen, catechol, thiophosphoryl triamide, normal-butyl sulfur are for phosphorus
One or more in acyl triamine, phosphoric triamide.
Retention agent the most according to claim 1, it is characterised in that described nitrification inhibitor is dicyandiamide, 2-chloro-6-(trichlorine
Toluene) pyridine, guanyl thiourea, 3-methylpyrazole, 2-sulfathiazole, 3,4-dimethyl pyrazole phosphate, 2-methyl-4,6-be double
One or more in (benzotrichloride) s-triazine.
Retention agent the most according to claim 1, it is characterised in that described phosphorus element regulator is citric acid, humic acid, diethyl three
One or more in triamine pentaacetic acid, aminotriacetic acid, malic acid.
Retention agent the most according to claim 1, it is characterised in that described plant growth active factors is aminoacid, poly-Radix Asparagi
One or both in propylhomoserin, fulvic acid, potassium fulvate, compound sodium nitrophenolate, indoles, diethyl aminoethyl hexanoate, sodium bacillus subtilis lipopeptide
Above.
9. retention agent application in preparing fertilizer described in claim 1-8 any one.
10. a fertilizer, it is characterised in that comprise retention agent described in claim 1-8 any one.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266269A (en) * | 2017-07-31 | 2017-10-20 | 九禾股份有限公司 | A kind of southwest paddy rice and the disposable special fertilizer of corn and fertilizing method |
| WO2019012381A1 (en) * | 2017-07-10 | 2019-01-17 | Basf Se | Mixtures comprising a plant growth regulator (pgr) and a nitrification inhibitor such as 2-(3,4-dimethyl-1h-pyrazol-1-yl)succinic acid (dmpsa) or 3,4-dimethyl pyrazolium glycolate (dmpg) |
| CN110089354A (en) * | 2019-06-18 | 2019-08-06 | 中国科学院西北高原生物研究所 | A method of it spills and applies double Qinghai-Tibet Alpine Grasslands production functions of cyanogen ammoniums promotion |
| CN110891923A (en) * | 2017-07-10 | 2020-03-17 | 巴斯夫欧洲公司 | Mixtures comprising Urease Inhibitors (UI) and nitrification inhibitors, such as 2- (3, 4-dimethyl-1H-pyrazol-1-yl) succinic acid (DMPSA) or 3, 4-dimethylpyrazolium glycolate (DMPG) |
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| WO2019012381A1 (en) * | 2017-07-10 | 2019-01-17 | Basf Se | Mixtures comprising a plant growth regulator (pgr) and a nitrification inhibitor such as 2-(3,4-dimethyl-1h-pyrazol-1-yl)succinic acid (dmpsa) or 3,4-dimethyl pyrazolium glycolate (dmpg) |
| CN110891923A (en) * | 2017-07-10 | 2020-03-17 | 巴斯夫欧洲公司 | Mixtures comprising Urease Inhibitors (UI) and nitrification inhibitors, such as 2- (3, 4-dimethyl-1H-pyrazol-1-yl) succinic acid (DMPSA) or 3, 4-dimethylpyrazolium glycolate (DMPG) |
| US11659837B2 (en) | 2017-07-10 | 2023-05-30 | Basf Se | Mixtures comprising an urease inhibitor (UI) and a nitrification inhibitor such as 2-(3,4-dimethyl-1H-pyrazol-1-yl)succinic acid (DMPSA) or 3,4-dimethyl pyrazolium glycolate (DMPG) |
| CN107266269A (en) * | 2017-07-31 | 2017-10-20 | 九禾股份有限公司 | A kind of southwest paddy rice and the disposable special fertilizer of corn and fertilizing method |
| CN110089354A (en) * | 2019-06-18 | 2019-08-06 | 中国科学院西北高原生物研究所 | A method of it spills and applies double Qinghai-Tibet Alpine Grasslands production functions of cyanogen ammoniums promotion |
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