CN106916041A - A kind of corn special efficient long-acting sustained-release complex fertilizer and preparation method thereof - Google Patents
A kind of corn special efficient long-acting sustained-release complex fertilizer and preparation method thereof Download PDFInfo
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- CN106916041A CN106916041A CN201511004555.4A CN201511004555A CN106916041A CN 106916041 A CN106916041 A CN 106916041A CN 201511004555 A CN201511004555 A CN 201511004555A CN 106916041 A CN106916041 A CN 106916041A
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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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Abstract
The present invention relates to composite fertilizer field, efficient long-acting corn special slow release composite fertilizer of specifically a kind of chemical fertilizer addition urease inhibitor, nitrification inhibitor, humic acid and amino acid and preparation method thereof, nitrogen, P use efficiency, extension fertilizer efficiency period, specifically a kind of preparation method of the sustained-release and controlled release fertilizer and this special slow release composite fertilizer for meeting corn growing season fertilizer efficiency needs can be improved.The slow-release compound fertilizer can significantly improve fertilizer nutrient utilization, the proportioning of soil nitrogen phosphorus potassium three elements is kept to stablize relatively, so as to realize the application effect of balance fertilizing, the various nutrients needed for meeting and supplying plant growth ensure to protect product, volume increase on the basis of not multiplex chemical fertilizer.
Description
Technical field
The invention belongs to technical field of fertilizers, more particularly to a kind of efficient, long-acting sustained-release complex fertilizer
And preparation method thereof, concretely, when the slow-release compound fertilizer is maintained compared with the nutrient of Common compound fertilizer
Between long, N P and K comprehensive utilization ratio it is high and can increase production and improve productivity.
Background technology
At present, some advanced countries and regions of the world, the utilization rate of composite fertilizer averagely reaches
60%, and composite fertilizer's utilization rate of China only accounts for 30%.Under equal nutrient content, to crops
Increasing of quality and production effect it is poor, economic benefit is low, and input-output ratio is high, and environment negative effect is big.
By Industrial routes, the durable composite fertilizer that production high usage, environmental safety high are characterized,
For promoting the development of China's fertilizer industry and pollution-less agriculture significant.
In agricultural production, due to the influence of the factors such as volatilization, leaching loss and soil fixing, nitrogen (N)
Fertile this season utilization rate only has 30%~40%；Phosphate fertilizer this season utilization rate only has 10%~20%.Change
The long-acting and efficient synthesis of nutrient can not be realized after learning that utilization rate of fertilizer is low and being primarily due to apply
Utilize.Urea nitrogenous (N) measure it is high, easy to use, since the eighties in 20th century into
It is the main N fertilizer of China's agricultural application.Common urea can dissolve rapidly after being manured into soil, but
Can not directly be absorbed by crop root, only in the presence of soil urease, be hydrolyzed into ammonium state N
Utilization can be just absorbed by crops afterwards.Generally, urea is decomposed by urase quickly in soil
Into ammonium state N, then it is converted into nitre state N, nitre state N and is more easy to leaching loss, and easily hair compared with ammonium state N
Raw anti-nitration reaction produces N2O、NO、N2Cause to increase greenhouse gases effect while nitrogen loss
Should.It is sustainable agriculture over nearly 20 years that urease inhibitor and nitrification inhibitor are added in urea
One important application of production technology.Whether urease inhibitor (is given as following nitrification inhibitor
Individual English name, or all should not) can suppress soil urease liveness, hinder hydrolysis, prolong
The diffusion time of urea, thus reduces NH in soil at fertilising point long4 +And NH3Concentration,
Fertilizer provision from soil and crop is set to need fertilizer synchronous, fertilizer efficiency is strengthened.Nitrification inhibitor (nitrification
Inhibitor the movable function of nitrite bacteria (Nitrosmonas), including nitrous can) be suppressed
Change, the activity of nitrifiers and denitrifiers, ammonia list adds in can over a period to come suppressing soil
The activity of oxygenase, so as to suppress ammonium state N (NH in soil4 +- N) to nitre state N (NO3 -N)
Conversion, control soil in nitrogen try one's best with NH4 +The form of-N is present, reduce nitrogenous fertilizer with
NO3Discharged into the atmosphere in oxides of nitrogen gas form after-N forms leaching loss and denitrogenation, so as to subtract
Few N elements loss late, raising Soil nitrogen utilization rate, increase crop yield and article are made in improvement
While matter, N is reduced2O、CO2、CH4The discharge of isothermal chamber gas, reduces fertilising over the ground
The pollution of lower water and air.Can make fertilizer provision from soil using soil urease inhibitor and nitrification inhibitor
Need to be fertile synchronous with crop, save urea fertilizer amount of application, improve crop yield, reduction environment dirt
Dye, is a kind of continuable agriculture production technology.Normal-butyl thiophosphoryl triamine (NBPT)
It is respectively most wide efficient, low current application with 3,4- dimethyl pyrazoles phosphate (DMPP)
Pesticide-clay mixture earth urease inhibitor and nitrification inhibitor.After NBPT is directly manured into soil, can conditioned soil
Earth, promotion plant growth, improve 10~20% crop yield.
Reacted with calcium, iron, the aluminium etc. in soil after phosphate fertilizer, form water insoluble phosphorus
Hydrochlorate etc., especially spring ground temperature is relatively low, and sowing ensuing crop seedling difficulty is absorbed to enough phosphorus.
The phosphorus element in the adsorbable fertilizer of quinonyl in humic acid, is allowed to slow release, in spring because of its face
Color can increase ground temperature and ensure demand of the spring seedling to phosphorus more deeply；Soil urease work can be suppressed simultaneously
Property, thus energy urease inhibiting effective is hydrolyzed into ammonium nitrogen process, reduces ammonia loss by volatilization.Corruption is planted
Acid containing phenolic hydroxyl group, carboxyl, alcoholic extract hydroxyl group, enol base, sulfonic group, amino, quinonyl, carbonyl,
Various groups such as methoxyl group, determine heat endurance, acidity, hydrophily, the ion of humic acid
Exchangeability, complexing power and adsorption capacity higher, gas permeability and the guarantor that soil can be improved
It is aqueous, improve the physicochemical property of soil, in the decomposition of promotion soil mineral and activated fertilizer
Nutrient, make crops be easy to absorb；Enhancing plant nutrient absorbs and root system development, carries
Plant germination rate high and survival rate；Slow release amino acid, stimulates soil beneficial microbe simultaneously
Activity, directly excites crop growth, improves plant products, improves crop product quality, promotees
Enter early ripening of the crops；With stabilization and function of detoxification, crop itself resistance against diseases is improved, enhancing is planted
The anti-adversity abilities such as thing cold-resistant, drought resisting, Resistant.Humic acid mixes with chemical fertilizer to be applied and can substantially carry
The utilization rate of various fertilizer nutrients high, is good fertilizer synergistic agent that nitrogen sustained release, phosphorus element promote to release.
Amino acid is the base unit of constitutive protein matter, is that one group of molecular weight is differed in size, contained
There are amino and carboxyl and there is an organic compound for short carbon chain.The ammonia for producing both at home and abroad at present
Base acid fertilizer has various, and three types have been said from material source：1. animal (livestock and poultry, fish etc.)
Leftover bits and pieces；2. plant (dregs of beans, cotton dregs, wheat bran, rice bran etc.)；3. chemical products (such as taste
The byproduct or discarded object of smart factory).Wherein, the simple substance amino acid in plant origin amino acid is such as
Lysine, phenylalanine, proline, aspartic acid content are significantly larger than animal amino acid.
The amino acid Glutamic Acid of extraction, alanine content are higher in the cotton dregs of Xinjiang, its simple substance amino acid
There is stronger production-increasing function to plant with combination of amino acids.The development of current research work is main
Based on concentration amino acid sterling higher, its price is higher, it is difficult to applied in agricultural production.
Nutrient necessary to micro-amino acid and growth and development of plants is cooperated preparation composite fertilizer
It is a kind of innovative solution for improving fertilizer nutrient utilization.As the minimum point for constituting protein
Son, is present in the amino acid in fertilizer and is easy to be absorbed by crops, and can promote Plant To Nutrient material
Absorption, stimulate and regulation quick growth of plant, promote that root system of plant is flourishing, improve light cooperation
With, promote plant growth healthy and strong, enhancing plant metabolic function, accelerate plant growth and breed,
Also it is improved fertilising object disease resistance, improves the function of crop quality.
In sum, the rational N P and K of efficient long-acting sustained-release composite fertilizer is with when content energy
Enough meet corn growth, the humic acid of addition, amino acid, urease inhibitor and nitrification inhibitor,
Containing abundant organic matter, slow-release organic ecological nitrogen, the amino acid that can be directly absorbed by crop,
Fertilizer control release synergist etc., can control soil and fertilizer nutrient is decomposed and release supply corn growth
Demand.Early-stage Study shows that such composite fertilizer can increase substantially absorption rate, extension fertilizer efficiency
Phase reaches 80-120 days.However, comprehensive utilization humic acid, amino acid, urease inhibitor and nitre
There is not been reported for the research for changing inhibitor to improve compound fertilizer plant recovery of nutrient.
The content of the invention
For the existing problem that chemical fertilizer plant recovery of nutrient is low, the fertilizer efficiency duration is short, this hair
Bright offer one kind can improve utilization rate of fertilizer, extension fertilizer efficiency time limit, moreover it is possible to improved soil, carry
Efficient long-acting sustained-release composite fertilizer of quality of agricultural product high and preparation method thereof.
Technical solution of the present invention is as follows：
Efficient long-acting sustained-release composite fertilizer of the present invention by activation weathered coal, amino acid, urease inhibitor,
Nitrification inhibitor, chemical fertilizer and clay mixing granulation are formed, and their content is 80-91.5%：
1-12.5%：0.5%：0.5%：0.5%：6%.
Urease inhibitor is normal-butyl thiophosphoryl triamine, and nitrification inhibitor is 3,4- dimethyl pyrazoles
Azoles phosphate.Chemical fertilizer is urea, Diammonium phosphate (DAP), potassium chloride；By weight percentage,
The specific composition of corn special efficient long-acting sustained-release complex fertilizer is：Urea 43.7~48.8%, phosphoric acid
Two ammoniums 19.6~21.7%, potassium chloride 16.7~20.0%, activation weathered coal 1-12.5%, amino
Acid 0.5%, urease inhibitor 0.5%, nitrification inhibitor 0.5% and clay 6%.
By weight percentage, the chemical fertilizer proportioning nitrogenous 42%~56%, phosphorus 20%~
23%, potassium 22%~28%, three element ratios are：24~26：9~10：10~12.
The amino acid is the plant origin amino acid of pulverulence.
Including activation weathered coal, chemical fertilizer, amino acid, urease inhibitor, nitrification inhibitor
With clay difference pulverization process after in proportion directly mix after granulation.
It is described activation weathered coal activation method be：Humic acid 50%~75% (butt) will be contained
Weathered coal be crushed to≤60 mesh, take weathered coal butt weight 6% potassium carbonate and weathered coal do
The urea of base weight 10% is dissolved in the water of weathered coal butt weight 50%~70%, and mixing is made
Solution, be heated to 50~80 DEG C, then weathering coal dust and above-mentioned solution are sufficiently mixed,
Stir, stacked 24~72 hours under normal temperature condition, contained through drying 2-4 hours
The black activation weathered coal of humic acid potassium and humic urea.
Water content≤20% of the activation weathered coal, 80 DEG C≤T≤120 DEG C of drying temperature.
The urease inhibitor normal-butyl thiophosphoryl triamine (NBPT), purity is pure for analysis,
Particle diameter≤100 mesh.
The nitrification inhibitor 3,4- dimethyl pyrazoles phosphate (DMPP), purity is pure for analysis,
Particle diameter≤100 mesh.
The amino acid is the plant origin amino acid of pulverulence, and particle diameter is crushed to≤100 mesh；
The clay is crushed to≤100 mesh；
The activation weathered coal is crushed to≤40 mesh.The specific activation method of the activation weathered coal
For：Weathered coal is crushed to≤60 mesh, potassium carbonate and the weathering of weathered coal butt weight 10% is taken
The urea of coal butt weight 5% is dissolved in the water of weathered coal butt weight 50%~70%, will be made
Solution be heated to 50~80 DEG C, then weathering coal dust and above-mentioned solution are sufficiently mixed, are stirred
Uniformly, stack 24~72 hours at normal temperatures, through being dried to obtain containing humic acid potassium and humic urea
Black activation weathered coal, drying requires water content≤20%, and drying temperature is less than 120 DEG C.Press
Percentage by weight meter, the activation weathered coal contains the carbonic acid of weathered coal butt weight 6%~15%
Potassium, and weathered coal butt weight 5%~20% urea.
The amino acid is the Tacheng with the regional cotton dregs for producing in the northern Usu of Xinjiang Tianshan as raw material
The amino acid of Milky Way bioengineering Co., Ltd of city " new ground board " production, its kilnitamin
Total amount and simple substance amino acid classes and its content are better than the amino acid that other are originated.
Using mixing granulation technology, the raw material mixes in proportion, and its weight percent is：
Urea 43.7~48.8%, Diammonium phosphate (DAP) 19.6~21.7%, potassium chloride 16.7~20.0%, it is living
Change weathered coal (humic acid) 2.0~12.5%, urease inhibitor normal-butyl thiophosphoryl triamine
(NBPT) 0.5%, nitrification inhibitor 3,4- dimethyl pyrazoles phosphate (DMPP) 0.5%,
Amino acid 0.5%, clay 6%.
Inventive principle
Utilization rate of fertilizer is improved using urease inhibitor NBPT and nitrification inhibitor DMPP, is prolonged
Fertilizer efficiency time long.Urease inhibitor NBPT can suppress soil urease liveness, thus can effectively prolong
Slow fertilizer is hydrolyzed to the process of ammonium nitrogen for nitrogen after soil, reduces ammonia loss by volatilization, extension
The fertilizer effectiveness time；Nitrification inhibitor DMPP suppresses nitrosation, nitrifiers and denitrifiers
Deng activity, over a period to come suppress soil in ammona monooxygenase activity, so as to control soil
Nitrogen in earth is tried one's best with NH4 +The form of-N is present, and reduces nitrogenous fertilizer with NO3- N forms leaching loss and
Discharged into the atmosphere in oxides of nitrogen gas form after denitrogenation, thus reduce N element loss late,
Improve Soil nitrogen utilization rate.
Activation process is carried out to weathered coal using potassium carbonate and urea, potassium humate and corruption can be generated
Sour urea is grown, while part humic acid macromolecular structure destruction, generation can be had into physiologically active
Fulvic acid, and increase humic acid ion exchangeable, complexing power and adsorption capacity.In humic acid
Quinonyl can suppress soil urease liveness, thus can effectively delay hydrolysis of urea into ammonium nitrogen mistake
Journey, reduces ammonia loss by volatilization.The weathered coal of activation promotes the release of phosphate fertilizer spring, it is ensured that crop sprouts
To the demand of phosphorus element during bud, meanwhile, active group therein has stronger absorption to chelate to nutrient
Ability, makes the nutrient of adsorbed chelating slowly discharge, reduce its dead loss in soil and
Leaching loss, increases its crop absorption ratio, and regulation and control phosphate fertilizer slowly discharges for a long time.Humic acid after activation
Itself can provide part nutrient needed for plant growth, promote plant growth, and also improve it is right
The synergistic effect of chemical fertilizer.
Amino acid active material, can effectively control nitrogen nutrient to volatilize, drench (damage) mistake, improve
Nitrogen In Soils nutrient valid density, promotes absorption, operating of the crop to nitrogen, meets crop short-term
The interior efficient absorption demand to nitrogen nutrient.Compared with other source amino acid, from Xinjiang cotton dregs
Simple substance amino acid contained by plant source amino acid and combination of amino acids all have preferably increasing to crop
Produce and improving quality effect.Amino acid is easy to be absorbed by crops, and can promote Plant To Nutrient material
Absorption, stimulate and regulation plant and root growth, enhancing photosynthesis, be also improved
Fertilising object disease resistance, the function of improving crop quality.
Compared with other general chemistry fertilizer, main advantages of the present invention are：
1. fertilizer efficiency period is long, with certain controllability
The nutrient supply term of validity of long-acting sustained-release complex fertilizer can meet China exhausted up to 150 days
Most of regional corn growth stage each stages exist to the demand of nutrient, and the length of fertilizer efficiency period
Controllable in 80-150 days, can be regulated and controled by the requirement of crop and region.
2. plant recovery of nutrient is high
Nitrogenous fertilizer leaching loss is reduced, the release of oxides of nitrogen gas is reduced, the fixation of phosphorus element is reduced, promoted
Enter phosphatic movement and absorption, reduce the loss of nutrient, improve N, P, K comprehensive utilization
Rate.Nitrogen use efficiency 10%~15% can be improved, phosphorus utilization 6%~10% is improved, potassium is improved
Utilization rate 6% or so, and micro- utilization rate in soil and fertilizer butt can be significantly improved.
3. humic acid (activation weathered coal) promotes the release of phosphate fertilizer spring, it is ensured that crop germination nutrient
Demand, while slowly being discharged for a long time in Growing season regulation and control phosphate fertilizer, increases crop absorption ratio.
4. protected on the basis of chemical fertilizer zero growth rate and produce, increase production
Ammonia volatilization and nitrogen loss are reduced, the various nutrients needed for meeting and supplying plant growth are adjusted
Reason plant growth, improves crop yield and quality.The present invention containing the nitrogen needed for plant growth,
Phosphorus, potassium and various middle trace elements, and contain amino acid, various small molecular organic acids and polysaccharide
Deng physiological activator；NBPT can accelerate crop metabolism simultaneously, nurse one's health plant growth.
Equal production volume can save fertilizer 10% or so, and equal fertilizer application amount can increase production 10-15% or so, reach increasing
Produce, increase income, saving fertilizer, the resultant effect of saving of labor.
5. risk of environmental pollution is reduced
Nitrate loss can be reduced, NO is reducedxDischarge, reduces nitrate levels in agricultural product.
Weathered coal is converted into humus, promotes Zinc fractions crumb structure, improved soil physical behavior,
Soil fertilizer, water conservation, heat-insulating property are improved, while increasing soil microbe quantity, is increased micro-
Bioactivity, decomposition and inversion ability of the promotion microorganism to fertilizer.Promote healthy geobiont chain
Formation, reduce and prevent the derivative of pest and disease damage, it is ecological to be that plant growth creates good underground
Environment.
6th, process is simple
The production of durable composite fertilizer can be carried out in the production line of former composite fertilizer, it is not necessary to change former multiple
Hefei production procedure, it is not necessary to increase new auxiliary device.Can be added before granulation amino acid and
Inhibitor, i.e. system addition method, upper tower granulation, that is, open and close.Therefore for common
The production for being transformed into durable composite fertilizer of composite fertilizer need not increase equipment investment.Also can be by amino acid
Directly puddled in granulating cylinder with compound fertilizer granules with inhibitor, into Drying drying,
I.e. physics puddles method.
Specific embodiment
Below by embodiment in detail the present invention is described in detail.
By weight percentage, embodiment 1 (similarly hereinafter)
Weathered coal is crushed and 60 mesh sieves are crossed, take weathered coal butt weight 6% potassium carbonate and
10% urea, is dissolved in the water of weathered coal butt weight 50%, and the solution that will be made is heated to
80 DEG C, add weathering coal dust to stir, 1 day (24 hours) stacked under normal temperature condition,
Then a few hours are dried under the conditions of about 80 DEG C, to obtaining containing potassium humate and humic acid urea
Black activates weathered coal dry substance, and 40 mesh sieves are crossed after being crushed.
Nitrification inhibitor and urease inhibitor are separately crushed to≤100 mesh, clay is crushed to≤
(being less than or equal to) 100 mesh, while granular chemical fertilizer is crushed, finally by 12.5%
Activation weathered coal, 0.5% urease inhibitor NBPT, 0.5% nitrification inhibitor DMPP,
0.5% amino acid (" new ground board " ammonia of Qoqek City Milky Way bioengineering Co., Ltd production
Base acid, with the cotton dregs of the northern Usu area product of Xinjiang Tianshan as raw material), 43.7% urea,
19.6% Diammonium phosphate (DAP), 16.7% potassium chloride, 6% clay adds drum granulating equipment to mix
Close granulation.Obtain N:P2O5:K2O=24:9:10, N+P2O5+K2O >=43%
Granular product.
Experiment is set：In May, 2014 arranges in locality typical soil, Liaoning Province (brown earth)
Experiment, if without fertilizer control, 3 treatment of Chemical Mixed Fertilizer control and special fertilizer, often processing 6 repetitions.
Special fertilizer consumption be 50kg/ mu, control 40kg/ mus of complex fertilizer, be urea, Diammonium phosphate (DAP) and
Potassium chloride is combined, complex fertilizer N:P2O5:K2O ratios identical with special fertilizer (24：9：10),
Nitrogen, phosphorus containing equivalent, potassium element.
By row application and the side on ridge, seeding corn, seed manure is separate.Between after growing 1 month
Seedling, the homogeneous plant of reservation upgrowth situation, each treatment uses consistent way to manage, nothing to chase after
Fertilizer.Determine that plant leaf area, stem be thick, plant height during plant strain growth；Determined after results and make produce
Amount and soil total carbon, the content of nitrogen and phosphorous.
The plant leaf area of the treatment of growth period special fertilizer and Chemical Mixed Fertilizer treatment, stem are thick, plant height is equal
It is significantly higher than without fertile group, corn growth early stage, special fertilizer treatment has difference with Chemical Mixed Fertilizer treatment,
But difference is not up to the level of signifiance, the plant leaf area of later stage special fertilizer treatment, stem are thick, plant height
Chemical Mixed Fertilizer group is noticeably greater than, tasseling stage shifts to an earlier date 1-2 days, dark green leaf, chlorophyll content
Increase, root system enriches, but statistically difference is not notable.Special fertilizer treatment yield increases after autumn harvest
3.5%.Soil total carbon, the content of nitrogen and phosphorous slightly have lifting, and difference is not notable.
Embodiment 2
Weathered coal is crushed and 60 mesh sieves are crossed, take weathered coal butt weight 6% potassium carbonate and
10% urea, is dissolved in the water of weathered coal butt weight 50%, and the solution that will be made is heated to
80 DEG C, add weathering coal dust to stir, 1 day (24 hours) stacked under normal temperature condition,
Then a few hours are dried under the conditions of about 80 DEG C, to obtaining containing potassium humate and humic acid urea
Black activates weathered coal dry substance, and 40 mesh sieves are crossed after being crushed.
Nitrification inhibitor and urease inhibitor are separately crushed to≤100 mesh, clay is crushed to≤
(being less than or equal to) 100 mesh, while granular chemical fertilizer is crushed, finally by 2.8% work
Change weathered coal, 0.5% urease inhibitor NBPT, 0.5% nitrification inhibitor DMPP, 0.5%
Amino acid (" new ground board " amino of Qoqek City Milky Way bioengineering Co., Ltd production
Acid, with the cotton dregs of the northern Usu area product of Xinjiang Tianshan as raw material), 48.0% urea,
21.7% Diammonium phosphate (DAP), 20% potassium chloride, 6% clay adds the mixing of drum granulating equipment
Granulation.Obtain N:P2O5:K2O=26:10:12, N+P2O5+K2O >=48%
Granular product.
Setup Experiments：In May, 2014 arranges in locality typical soil, Liaoning Province (brown earth)
Experiment, if without fertilizer control, 3 treatment of Chemical Mixed Fertilizer control and special fertilizer, often processing 6 repetitions.
Special fertilizer consumption be 45kg/ mu, control 40kg/ mus of complex fertilizer, be urea, Diammonium phosphate (DAP) and
Potassium chloride is combined, complex fertilizer N:P2O5:K2O ratios identical with special fertilizer (26：10：
12), the nitrogen containing equivalent, phosphorus, potassium element (about 12kg, 4.5kg, 5.4kg respectively).
By row application and the side on ridge, seeding corn, seed manure is separate.Between after growing 1 month
Seedling, the homogeneous plant of reservation upgrowth situation, each treatment uses consistent way to manage, nothing to chase after
Fertilizer.
Determine that plant leaf area, stem be thick, plant height during plant strain growth；Determined after results and make produce
Amount and soil total carbon, the content of nitrogen and phosphorous.
The plant leaf area of the treatment of growth period special fertilizer and Chemical Mixed Fertilizer treatment, stem are thick, plant height is equal
It is significantly higher than without fertile group.Corn growth early stage, special fertilizer treatment has difference with Chemical Mixed Fertilizer treatment,
But difference is not up to the level of signifiance, there is de- fertilizer symptom without fertilizer treatment in the later stage, and Chemical Mixed Fertilizer is processed out
Existing slight de- fertilizer symptom, and the plant leaf area of special fertilizer treatment, stem be thick, plant height is significantly big
In Chemical Mixed Fertilizer group, tasseling stage shifts to an earlier date 1-2 days, dark green leaf, and chlorophyll content increases, root
System is more flourishing, but difference is not notable.Special fertilizer treatment yield about increases by 3% after autumn harvest.Soil
Full dose carbon, the content of nitrogen and phosphorous slightly have lifting, and difference is not notable.
Embodiment 3
Weathered coal is crushed and 60 mesh sieves are crossed, take weathered coal butt weight 6% potassium carbonate and
10% urea, is dissolved in the water of weathered coal butt weight 50%, and the solution that will be made is heated to
80 DEG C, add weathering coal dust to stir, 1 day (24 hours) stacked under normal temperature condition,
Then a few hours are dried under the conditions of about 80 DEG C, to obtaining containing potassium humate and humic acid urea
Black activates weathered coal dry substance, and 40 mesh sieves are crossed after being crushed.
Nitrification inhibitor and urease inhibitor are separately crushed to≤100 mesh, clay is crushed to≤
(being less than or equal to) 100 mesh, while granular chemical fertilizer is crushed, finally by 6.5% work
Change weathered coal, 0.5% urease inhibitor NBPT, 0.5% nitrification inhibitor DMPP, 0.5%
Amino acid (" new ground board " amino of Qoqek City Milky Way bioengineering Co., Ltd production
Acid, with the cotton dregs of the northern Usu area product of Xinjiang Tianshan as raw material), 46% urea, 20%
Diammonium phosphate (DAP), 20% potassium chloride, 6% clay adds drum granulating equipment mixing granulation.
Obtain N:P2O5:K2O=24.8:9.2:12, N+P2O5+K2O >=46% particle
Shape product.
Setup Experiments：In May, 2014 arranges in locality typical soil, Liaoning Province (brown earth)
Experiment, if without fertilizer control, 3 treatment of Chemical Mixed Fertilizer control and special fertilizer, control complex fertilizer is
The combination of urea, Diammonium phosphate (DAP) and potassium chloride, complex fertilizer N:P2O5:K2O ratios with it is special
Fertilizer identical (26：10：12).Often process 6 repetitions.Special fertilizer consumption is 45kg/ mus, multiple
Complex fertilizer control consumption is 40kg/ mus.
Ridge side by row replacement fertilizer, seeding corn is planted, fertilizer isolation is separated.Emergence of corn
Thinning after growing 1 month, selects the homogeneous plant of upgrowth situation and retains one plant.Respectively process equal nothing
Topdress, and use identical way to manage.Determined during plant strain growth plant leaf area, stem it is thick,
Plant height；Crop yield and soil total carbon, the content of nitrogen and phosphorous are determined after results.
The plant leaf area of special fertilizer treatment and Chemical Mixed Fertilizer treatment, stem be thick during corn growth, strain
Height is above without fertile group.Corn growth early stage, special fertilizer treatment has difference with Chemical Mixed Fertilizer treatment,
But difference is not up to the level of signifiance；The plant leaf area of later stage special fertilizer treatment, stem are thick, plant height
It is noticeably greater than Chemical Mixed Fertilizer group.Plant leaf bottle green, chlorophyll content increases, and root system is relatively sent out
Reach, tasseling stage shifts to an earlier date 1-2 days.Special fertilizer treatment yield about increases by 3% after autumn harvest.Soil is complete
Amount carbon, the content of nitrogen and phosphorous slightly have lifting, and difference is not notable.
Claims (9)
1. a kind of corn special efficient long-acting sustained-release complex fertilizer, it is characterised in that：By chemical fertilizer, work
Change weathered coal, amino acid, urease inhibitor, nitrification inhibitor and clay composition, by weight percentage
Meter, their content is 80-91.5%：1-12.5%：0.5%：0.5%：0.5%：6%.
2. efficient long-acting sustained-release composite fertilizer according to claim 1, it is characterised in that：Urase suppresses
Agent is normal-butyl thiophosphoryl triamine, and nitrification inhibitor is 3,4- dimethyl pyrazole phosphate.
3. efficient long-acting sustained-release composite fertilizer according to claim 1, it is characterised in that：Chemical fertilizer is
Urea, Diammonium phosphate (DAP), potassium chloride；By weight percentage, corn special efficient long-acting slow-release is combined
Specifically composition is fertilizer：Urea 43.7~48.8%, Diammonium phosphate (DAP) 19.6~21.7%, potassium chloride 16.7~
20.0%, activation weathered coal 1-12.5%, amino acid 0.5%, urease inhibitor 0.5%, nitrification suppress
Agent 0.5% and clay 6%.
4. efficient long-acting sustained-release composite fertilizer according to claim 3, it is characterised in that：By weight hundred
Divide than counting, the chemical fertilizer proportioning nitrogenous 42%~56%, phosphorus 20%~23%, potassium 22%~28%,
Three element ratios are：24~26：9~10：10~12.
5. efficient long-acting sustained-release composite fertilizer according to claim 1, it is characterised in that：The amino acid
It is the plant origin amino acid of pulverulence.
6. the preparation method of efficient long-acting sustained-release composite fertilizer described in a kind of claim 1, it is characterised in that：
Including activation weathered coal, chemical fertilizer, amino acid, urease inhibitor, nitrification inhibitor and clay point
Granulated after directly mixing in proportion after other pulverization process.
7. the preparation method of efficient long-acting sustained-release composite fertilizer according to claim 6, it is characterised in that：
It is described activation weathered coal activation method be：The weathered coal of humic acid 50%~75% (butt) will be contained
≤ 60 mesh are crushed to, the potassium carbonate of weathered coal butt weight 6% and the urine of weathered coal butt weight 10% is taken
Element is dissolved in the water of weathered coal butt weight 50%~70%, the solution that is made of mixing, it is heated to 50~
80 DEG C, then weathering coal dust and above-mentioned solution are sufficiently mixed, are stirred, the heap under normal temperature condition
Put 24~72 hours, the black activation wind containing humic acid potassium and humic urea is obtained within 2-4 hours through drying
Change coal.
8. the preparation method of efficient long-acting sustained-release composite fertilizer according to claim 7, it is characterised in that：
Water content≤20% of the activation weathered coal, 80 DEG C≤T≤120 DEG C of drying temperature.
9. the preparation method of efficient long-acting sustained-release composite fertilizer according to claim 6, it is characterised in that：
The urease inhibitor is normal-butyl thiophosphoryl triamine (NBPT), is crushed to particle diameter≤100 mesh；
The nitrification inhibitor is 3,4- dimethyl pyrazoles phosphate (DMPP), is crushed to particle diameter≤100
Mesh；
The amino acid is the plant origin amino acid of pulverulence, and particle diameter is crushed to≤100 mesh；
The clay is crushed to≤100 mesh；
The activation weathered coal is crushed to≤40 mesh.
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