CN108658655A - A kind of synergy calcium superphosphate coated fertilizer and the preparation method and application thereof - Google Patents
A kind of synergy calcium superphosphate coated fertilizer and the preparation method and application thereof Download PDFInfo
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- CN108658655A CN108658655A CN201710681266.0A CN201710681266A CN108658655A CN 108658655 A CN108658655 A CN 108658655A CN 201710681266 A CN201710681266 A CN 201710681266A CN 108658655 A CN108658655 A CN 108658655A
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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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
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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 invention discloses a kind of synergy calcium superphosphate coated fertilizers and the preparation method and application thereof, belong to fertilizer application field.The coated fertilizer is made of fertile core and coating layer.The first ammonification in sealed cylinder by powdery calcium superphosphate sequentially adds macronutrient, micronutrient element, fermentation organic matter and solid-state adhesion agent, rolls and be granulated, and forms fertile core.Then in rotary drum coating machine, uniformly the mixed solution containing coating agent, organophosphor, ammonium polyphosphate, phosphorous acid is sprayed toward fertile wicking surface with spray gun；After preliminarily dried, then the mixed solution containing plant growth regulator, marine algae extract and microbial metabolic products is sprayed, fully after drying, forms granular coated fertilizer.Coated fertilizer produced by the invention contains there are many phosphorus source and multiple functions substance, can be obviously promoted root growth, improves crop anti-adversity；The coated fertilizer has both quick-acting and slow function simultaneously, hence it is evident that improves nutrientuse efficiency.
Description
Technical field
The present invention relates to the industrial circle of fertilizer, more particularly to the preparation method of a kind of synergy calcium superphosphate coated fertilizer and
Using.
Background technology
Calcium superphosphate is the important phosphate fertilizer variety in China, with the appearance of high concentration phosphate fertilizer, the producing and selling of calcium superphosphate
It is on a declining curve.This trend occur following reason：First, calcium superphosphate product 1-5% containing free acid, chronic administration mistake
Phosphoric acid calcium product easily causes soil acidification, hardened, gas permeability to reduce.Secondly, the phosphate anion in calcium superphosphate is manured into soil
Afterwards, it reacts with divalent in soil or trivalent metal cation, is spent under solubility quickly, validity reduces.In addition, peroxophosphoric acid
Calcium is in addition to phosphorous, the nutrients such as not nitrogenous, potassium, and not exclusively water-soluble, and the field fertilizer efficiency of calcium superphosphate is caused to be difficult to abundant table
Reveal and.In view of above-mentioned problem, scientific worker does a lot of work in terms of the improvement of calcium superphosphate.Specially such as China
Sharp (application number：201410238984.7) a kind of method improving normal superphosphate quality is disclosed, by normal superphosphate
It is mixed in a certain ratio with white fertile (phosphoric acid hydrogen dicalcium), reduces the content of free acid in normal superphosphate.Chinese patent
(application number：A kind of production method of granular superphosphate 201310530367.X) is reported, calcium superphosphate preparation is granulated,
Reduce the direct contact area of phosphate radical and soil.Chinese patent (application number：CN201410186614.3 one kind) is disclosed
The preparation method of synergy calcium superphosphate, the patent mix calcium superphosphate with small molecules synergist such as organic acid, amino acid, prepare
Then powdery sustained-release synergistic calcium superphosphate is prepared into liquid slow-release synergy calcium superphosphate with suspending agent, emulsifier mixing again.It should
Synergy calcium superphosphate reduces the chance that phosphorus is adsorbed and fixed by soil colloid, increases the biological effectiveness and utilization rate of phosphorus.It is above-mentioned
Patented technology improves fertilizer efficiency and plays impetus, however, system solves calcium superphosphate production to improving normal superphosphate quality
The problems such as " acidity ", " being easily fixed ", " fertilizer efficiency unobvious " existing for product, " using low ", also needs to further investigate.
Phosphorus is the important element of crop root growth development, and the existing forms of phosphorus, content height directly affect work in soil
Object root growth.Organic phosphorus compound such as nucleotide, lecithin, microorganism biological phosphorus etc. can obviously induce phosphorus metabolism activity related
The up-regulated expression of gene, to improve chlorophyll content (Lambers et al., 2011, Plant Physiology, 156:
1058-1066；Richardsonand Simpson, 2011, PlantPhysiology, 156:989-996).Phosphorous acid is one
Kind of agricultural biological stimulin, can not only provide phosphorus nutrition (can slowly be oxidized to orthophosphoric acid) for crop, but can promote crop disease-resistant,
Improve immunity.Ammonium polyphosphate have nutrient content is high, dissolubility is good, be not easy with calcium, magnesium, iron, aluminium in the soil liquid etc. from
Son reacts and phosphate radical is made to fail, and also has chelated metal ions effect, is widely used in water-soluble fertilizer.
Currently, utilizing a variety of phosphorus source characteristics not yet, the relevant report of enhanced fertilizer is prepared.Therefore, it researchs and develops into
This enhanced fertilizer product low, that function is strong, fertilizer efficiency is good, nutrien utilization is high meets national fertilizer and subtracts the big policy for applying synergy, is hair
Open up direction.
Invention content
In view of above-mentioned problem, the shortcomings that it is an object of the invention to overcome the prior art with it is insufficient, one kind is provided
Synergy calcium superphosphate coated fertilizer.
Another object of the present invention is to provide a kind of preparation methods of synergy calcium superphosphate coated fertilizer.
It is still another object of the present invention to provide a kind of applications of synergy calcium superphosphate coated fertilizer.
The purpose of the present invention is realized by following technology path：
A kind of synergy calcium superphosphate coated fertilizer, is made of fertile core and coating layer.
The fertilizer core includes that ammoniated superphosphate, macronutrient, micronutrient element, fermentation organic matter and solid-state are viscous
Tie agent；Coating layer is by coating agent, organophosphor, ammonium polyphosphate, phosphorous acid, plant growth regulator, marine algae extract, microorganism generation
Thank to product composition.
The fertilizer core each component accounts for the mass ratio of coated fertilizer and is respectively：Ammoniated superphosphate 25-65%, a large amount of nutrition
Element 10-25%, micronutrient element 1-5%, ferment organic matter 5-40%, solid-state adhesion agent 5-15%.
The mass ratio that the coating layer each component accounts for coated fertilizer is respectively：Coating agent 0.5-1.5%, organophosphor 0.5-
4%, ammonium polyphosphate 0.5-4%, phosphorous acid 0.5-4%, plant growth regulator 0.1-0.5%, marine algae extract 1-3%, it is rotten
Phytic acid 0.1-1%, microbial metabolic products 0.1-1%.
The ammoniated superphosphate method is：By with the calcium superphosphate of Production By Sulfuric Acid Process, is sieved by 1mm, take calcium superphosphate
Powder is uniformly put into the roller of rolling, is constantly passed through ammonium hydroxide, after material fully reacts, is sealed for 24 hours.Wherein, phosphorus is crossed
Sour calcium is 80-100 in mass ratio with ammonium hydroxide:1-5.
The fermentation organic matter is at least two in butt chicken manure, potassium fulvate, molasses powder, fermentation chaff shell.
The macronutrient is urea, ammonium chloride, ammonium nitrate, at least two in potassium chloride, potassium nitrate etc..
The micronutrient element is at least two in ferric sulfate, manganese sulfate, copper sulphate, zinc sulfate, borax, ammonium molybdate
Kind.
The solid-state adhesion agent is one or more in hydroxymethyl cellulose, calcium carbonate, talcum powder, bentonite.
The coating agent is at least one of urea liquid, cellulose acetate, humic acid solution.
The organophosphor is at least one of phosphatide, nucleotide, inositol ingredient.
The ammonium polyphosphate is the water-soluble phosphate that the degree of polymerization is 3-10.
A small amount of ascorbic acid is added in the phosphorous acid solution in phosphorous acid solution；Phosphorous acid:Ascorbic acid is in mass ratio
100:1-2, this phosphorous acid solution can prevent epidemic disease, reduce Pesticide use amount, improve crop anti-adversity.
The marine algae extract is at least one of kelp, sargassum, yellow tang, the seaweed prepared using alkaline hydrolysis technique
Acid content is 1-10g/L solution.
The plant growth regulator be Nafusaku, butyric acid potassium, compound sodium nitrophenolate, DA-6, in abscisic acid at least
Two kinds.
The microbial metabolic products are bacillus subtilis, bacillus amyloliquefaciens, in bacillus megaterium at least
The metabolite of two kinds of bacterium.
A kind of production method of synergy calcium superphosphate coated fertilizer, includes the following steps：
(1) calcium superphosphate ammonification：It by normal superphosphate, is sieved by 1mm, obtains calcium superphosphate small particle powder, uniformly
It is put into the roller of rolling, ammonium hydroxide is constantly passed through in rotation, neutralize free acid excessive in calcium superphosphate, wait for that material fully reacts
Afterwards, it is sealed for 24 hours.
(2) fertile core is made：In ammoniated superphosphate roller, macronutrient, micronutrient element, hair are sequentially added
Ferment organic matter and solid-state adhesion agent are rolled and are granulated, then sieve, obtain the granular fertilizer core of 1-4.75mm.
(3) coating of fertile core：Granular fertilizer core is put into rotary drum coating machine, power supply is opened, fertile core is made to be filled in rotary drum
Divide and roll, uniformly sprays the mixed solution containing coating agent, organophosphor, ammonium polyphosphate, phosphorous acid toward fertile wicking surface using spray gun,
After equal particle surfaces form one layer of uniform separation membrane, aeration-drying forms a coating.
(4) the secondary coating of fertile core：Contain plant growth regulating after a coating layer is slightly dry, then with spray gun sprinkling
Agent, marine algae extract, humic acid and microbial metabolic products mixture, form secondary coating, after fully dry, form particle
Shape synergy calcium superphosphate coated fertilizer.
The rotating speed of the roller pelletizer of the step (1) is 15-30r/min, and containing calcium superphosphate ammonification device, steam is logical
Enter device.
Step (2) granulation process is constantly passed through steam in needing, keep being granulated material moisture being 15-20%, roller
Temperature is 60-80 DEG C.
Step (3) coated fertilizer need to dry under field conditions (factors).
A kind of synergy calcium superphosphate coated fertilizer promote crop root system growth and volume increase in terms of in application, excellent
It is that Ji Shi and top dressing are combined to select fertilization mode.
The beneficial effects of the present invention are using the synergy calcium superphosphate coated fertilizer of the method production of the present invention, have
Apparent feature below：
1) normal superphosphate product is mostly that sulfuric acid is fully reacted with rock phosphate in powder and is prepared, and free acid content compares
Height promotes root environment meta-acid, causes soil acidification, influence plant root growth after being manured into soil, in turn result in rotten, it is dead
Root causes plant withered.By ammonifying process, reduce fertilizer acidity, while supplementing nitrogen, potassium element, to powdery calcium superphosphate into
Row synergy is handled, and can significantly improve its fertilizer efficiency to crop.
2) it is more to provide organophosphor, ammonium polyphosphate, phosphorous acid etc. simultaneously for plant growth for coated fertilizer produced by the invention
Kind phosphorus source can obviously induce the generation of lateral-root primordia and promote more root growths.
3) present invention adds fermentation poultry dung, molasses powder, macronutrient, micronutrient element in normal superphosphate
And microbial metabolic products, it is prepared into a kind of " efficient, more nutrition, environment-friendly type " fertilizer, the fertilizer nutrient is comprehensive, to improving the soil, promoting
It is raw, disease-resistant, improve the ecological environment, be of great significance to production high quality agricultural products and reducing environmental pollution.
4) contain marine algae extract in synergy superphosphate fertilizer, root system resistance can be improved, the fertilizer collection microorganism generation
It thanks to the long-term effect of the degeneration-resistant functions of produce, the quick-acting of chemical fertilizer and organic fertilizer in one, supporting for crop can be significantly improved
Divide absorption efficiency, realizes increasing yield and improving quality.Test result shows that the manure trial in tobacco, corn, romaine lettuce, rape shows application
After this product, biomass, yield and the quality of crop have different degrees of promotion.
Description of the drawings
Fig. 1 is the photo of 1 synergy calcium superphosphate coated fertilizer of example.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this：
The preparation of ammoniated superphosphate：It by with the calcium superphosphate of Production By Sulfuric Acid Process, is sieved by 1mm, collects peroxophosphoric acid calcium powder
End is uniformly put into the roller of rolling, and ammonium hydroxide is constantly passed through in rotation process, after material fully reacts, is sealed for 24 hours.
The preparation of marine algae extract：Dry kelp is ground into powdering, it is 1.5m to weigh 20kg Kelp Powders and be put into volume3Instead
It answers in kettle, 10g/L potassium hydroxide solution 1000kg is added, then stirring hydrolysis 16h under the conditions of 50 DEG C, obtains marine algae extract
Solution, wherein seaweed acid content are 1-10g/L.
Embodiment 1：
According to the law of nutritive absorption of crop, in conjunction with the optimum ratio range in soil nutrient content and claim, system
Standby 1000kg synergy calcium superphosphate coated fertilizer products are specific as follows：
(1) calcium superphosphate ammonification：It by the calcium superphosphate of Production By Sulfuric Acid Process, is sieved by 1mm, takes calcium superphosphate powder 295kg,
It is uniformly put into the roller of rolling, ammonium hydroxide 5kg is at the uniform velocity passed through in rotation process, after material fully reacts, be sealed for 24 hours,
Up to ammoniated superphosphate 300kg.
(2) in step (1), urea 50kg, ammonium chloride 100kg, ammonium nitrate 40kg, potassium chloride 60kg, sulphur are sequentially added
Sour iron 4kg, manganese sulfate 4kg, copper sulphate 1kg, zinc sulfate 6kg, borax 4kg, ammonium molybdate 1kg, fermentation poultry dung 200kg, molasses powder
30kg, humic acid 10kg, hydroxymethyl cellulose 30kg, bentonite 40kg are rolled and are granulated, and screening obtains 1-4.75mm particles, i.e.,
Obtain fertile core 580kg.
(3) cellulose acetate solution 20kg, organophosphor 10kg, ammonium polyphosphate 10kg, phosphorous acid 20kg are taken, is uniformly mixed,
Up to the mixed solution I of 60kg.
(4) Nafusaku 1kg, butyric acid potassium 1kg, compound sodium nitrophenolate 2kg are taken, marine algae extract 20kg, humic acid 10kg,
Bacillus subtilis metabolite 2kg, bacillus amyloliquefaciens metabolite 4kg, tap water 20kg, stir evenly to get
The mixed liquor I I of 60kg.
(5) in rotary drum coating machine, the mixed liquor I of step (3) is uniformly sprayed in step (2) using spray gun
The fertile wicking surface of rolling forms a coating, and ventilation is dried, and forms coating object.
(6) by the coating object in (5), after slightly drying, it is continuing with the rotation of rotary drum coating machine, uniformly sprays step (4)
The mixed liquor I I of preparation obtains synergy calcium superphosphate coated fertilizer I after natural drying, and photo is shown in Fig. 1.
Embodiment 2：
(1) calcium superphosphate ammonification：It by the calcium superphosphate of Production By Sulfuric Acid Process, is sieved by 1mm, takes calcium superphosphate powder 445kg,
It is uniformly put into the roller of rolling, ammonium hydroxide 5kg is at the uniform velocity passed through in rotation process, after material fully reacts, be sealed for 24 hours,
Up to ammoniated superphosphate 450kg.
(2) in step (1), urea 60kg, ammonium chloride 80kg, ammonium nitrate 20kg, potassium chloride 60kg, sulfuric acid are sequentially added
Iron 4kg, manganese sulfate 4kg, copper sulphate 1kg, zinc sulfate 6kg, borax 4kg, ammonium molybdate 1kg, fermentation poultry dung 90kg, molasses powder
20kg, humic acid 10kg, hydroxymethyl cellulose 30, bentonite 40kg, roll be granulated, screening, obtain 1-4.75mm particles to get
Fertile core 430kg.
(3) urea liquid 20kg, organophosphor 20kg, ammonium polyphosphate 10kg, phosphorous acid 10kg are taken, uniformly mixing to get
The mixed solution I of 60kg.
(4) Nafusaku 1kg, butyric acid potassium 2kg, abscisic acid 2kg, marine algae extract 20kg, humic acid 10kg, withered is taken
Careless bacillus metabolite 2kg, bacillus amyloliquefaciens metabolite 3kg, tap water 20kg, stir evenly to get 60kg
Mixed liquor I I.
(5) in rotary drum coating machine, the mixed liquor I of step (3) is uniformly sprayed in step (2) using spray gun
The fertile wicking surface of rolling forms a coating, and ventilation is dried, and forms coating object.
(6) by the coating object in (5), after slightly drying, it is continuing with the rotation of rotary drum coating machine, uniformly sprays step (4)
The mixed liquor I I of preparation obtains synergy calcium superphosphate coated fertilizer II after natural drying.
Embodiment 3：
(1) calcium superphosphate ammonification：It by the calcium superphosphate of Production By Sulfuric Acid Process, is sieved by 1mm, takes calcium superphosphate powder 582kg,
It is uniformly put into the roller of rolling, ammonium hydroxide 18kg is at the uniform velocity passed through in rotation process, after material fully reacts, be sealed for 24 hours,
Up to ammoniated superphosphate 600kg.
(2) in step (1), urea 30kg, ammonium chloride 40kg, ammonium nitrate 20kg, potassium chloride 20kg, sulfuric acid are sequentially added
Iron 4kg, manganese sulfate 4kg, copper sulphate 1kg, zinc sulfate 6kg, borax 4kg, ammonium molybdate 1kg, fermentation poultry dung 80kg, molasses powder
20kg, humic acid 10kg and bentonite 40kg roll and are granulated, sieve, obtain 1-4.75mm particles to get fertile core 280kg.
(3) urea liquid 20kg, organophosphor 10kg, ammonium polyphosphate 10kg, phosphorous acid 20kg are taken, uniformly mixing to get
The mixed solution I of 60kg.
(4) Nafusaku 1kg, butyric acid potassium 1kg are taken, abscisic acid 3kg, marine algae extract 30kg, humic acid 10kg is withered
Careless bacillus metabolite 2kg, bacillus amyloliquefaciens metabolite 3kg, tap water 10kg stir evenly to get 60kg
Mixed liquor I I.
(5) in rotary drum coating machine, the mixed liquor I of step (3) is uniformly sprayed in step (2) using spray gun
The fertile wicking surface of rolling forms a coating, and ventilation is dried, and forms coating object.
(6) by the coating object in (5), after slightly drying, it is continuing with the rotation of rotary drum coating machine, uniformly sprays step (4)
The mixed liquor I I of preparation obtains synergy calcium superphosphate coated fertilizer III after natural drying.
Embodiment 4：Influence of the synergy calcium superphosphate coated fertilizer to tobacco growing and quality of tobacco
Test site：Solarium of Agricultural University Of South China.In order to verify the product effect of synergy calcium superphosphate coated fertilizer, in basin
It plants under experimental condition, having studied 4 kinds of processing, (phosphorus is crossed in normal superphosphate, synergy calcium superphosphate I, synergy calcium superphosphate II, synergy
Influences of the sour calcium III to tobacco growing and quality of tobacco.The specific method is as follows：(1) tobacco seedlings of four leaves wholeheartedly are transplanted to and are equipped with
In the pottery pot of 20kg soil, then superphosphate fertilizer is applied respectively around cigarette strain root system, it is 2-3 centimetres to apply depth,
Amount of application is 3g/ plants, and per 1 plant of basin, each processing is repeated 3 times.(2) (transplanting 7 days) after cigarette strain also seedling, using high-nitrogen compound fertilizer
(25-5-10), fertilizer amount is 2g/ plants, and after fertilizer is dissolved in water, leaching imposes on around cigarette strain root system.(3) cigarette strain is into a phase of joining the Youth League
Afterwards (transplanting 35 days), apply composite fertilizer (25-5-10) 1g for every plant, after being dissolved in water leaching impose on cigarette strain root layer soil.(4) cigarette strain is transplanted
At 70 days, entire cigarette strain is harvested, measures index of correlation, data are shown in Table 1.Do not have as a result, it has been found that tobacco main root is grown between being handled at 4
There is a notable difference, and the total radical of cigarette strain, root volume and whole strain the biomass significant difference between part is handled.Wherein, than common
Calcium superphosphate processing is compared, and total radical, root volume, the biomass of the I processing of synergy calcium superphosphate increase by 52.7%, 27.3% and
30.9%；Total radical, root volume, the biomass of synergy calcium superphosphate II processing increase separately 45.0%, 18.9%, 22.4% and
38.8%；Total radical, root volume, the biomass of synergy calcium superphosphate III processing increase 37.5%, 12.1% and 23.9%.
In terms of improving quality of tobacco：Compared with normal superphosphate, the tobacco leaf potassium of synergy calcium superphosphate I, II, III processing, which absorbs, to be divided
22.6%, 41.8%, 48.3% is not increased.The above results show in terms of promoting tobacco growth, synergy superphosphate fertilizer
Influence of the product to tobacco growing and quality of tobacco is significantly better than normal superphosphate product, wherein with synergy peroxophosphoric acid calcareous fertilisers I
Effect it is best.
Table 1：Different synergy superphosphate fertilizers are grown to cigarette strain and the influence of quality of tobacco
Note：Indicate difference up to 5% level of signifiance with lowercase difference after column data.
Embodiment 5：Influence of the synergy superphosphate fertilizer to corn growth
Test site：Zi Huan institutes of Agricultural University Of South China.In order to verify the effect of synergy superphosphate fertilizer, tried in potting
Under the conditions of testing, having studied 4 kinds of processing, (control of not applying fertilizer, normal superphosphate, synergy calcium superphosphate I, composite fertilizer (16-7-7) are right
The influence of corn growth.As shown in Table 2, common to cross phosphorus compared with control of not applying fertilizer for the plant of growth 40 days
Three kinds of sour calcium, synergy calcium superphosphate I and composite fertilizer (16-7-7) corn fresh weights handled dramatically increase, and are increased respectively than control
40.7%, 65.8%, 72.7%.Compared with normal superphosphate processing, the jade of synergy calcium superphosphate I products and composite fertilizer's processing
Meter Xian Chong increases separately 17.8% and 23.2%, and difference reaches the pole level of signifiance, shows calcium superphosphate synergy product than general energy mistake
Calcium phosphate is promoted with apparent fertilizer efficiency.
Table 2：Influence of the synergy superphosphate fertilizer to corn growth
Embodiment 6：Influence of the synergy superphosphate fertilizer to Growth of Lettuce and quality
Test site：Solarium of Agricultural University Of South China.In order to verify the effect of synergy superphosphate fertilizer product, tried in cell
Under the conditions of testing, having studied 4 kinds of processing, (control of not applying fertilizer, normal superphosphate, synergy calcium superphosphate I, composite fertilizer (16-7-7) are right
The influence of Growth of Lettuce and quality.
Table 3：Influence of the synergy superphosphate fertilizer to yield and quality of lettuce
Note：Indicate difference up to 5% level of signifiance with lowercase difference after column data
As shown in Table 3, for the romaine lettuce of growth 40 days, compared with control of not applying fertilizer, normal superphosphate processing increases
Effect calcium superphosphate I and the romaine lettuce yield of composite fertilizer (16-7-7) processing have increased separately 25.3%, 72.2%, 89.1%.Synergy
The romaine lettuce yield of calcium superphosphate I processing is the 137.3% of normal superphosphate processing, and two processing differences reach the level of signifiance.
In terms of improving lettuce quality, the Vitamin C content of synergy calcium superphosphate I and composite fertilizer (16-7-7) processing, which is significantly higher than, not to apply fertilizer
Control, not applying fertilizer does not have notable difference between control and normal superphosphate.The processing of synergy calcium superphosphate and composite fertilizer (16-7-
7) there is no difference between handling.Synergy calcium superphosphate I and the romaine lettuce Vitamin C content ratio of composite fertilizer (16-7-7) processing do not apply fertilizer
Control has increased separately 11.1% and 17.5%.
Embodiment 7：Influence of the synergy superphosphate fertilizer to growth of rape
For fertilizer efficiency of the research synergy superphosphate fertilizer under field test condition, tried in Yichang City, Hubei Province Yidu City rape
Testing base, we have carried out the manure trial of synergy calcium superphosphate, which is arranged 4 processing altogether, is respectively：It does not apply fertilizer control
Processing, normal superphosphate processing, the processing of synergy calcium superphosphate and composite fertilizer (16-7-7) processing.Each processing is repeated 3 times.Oil
Vegetable kind oils for ancient cooking vessel.Above-mentioned fertilizer makees base manure one-time use when rape is transplanted, and dose is 5g/ plants, 800 plants per acre,
Fertilizer application amount is 40kg per acre.When rape is transplanted 60 days and 100 days, 10kg/ mus and 20kg/ mus of urea is imposed respectively.Manager
Formula is identical as Routine Management.After rapeseed plants harvest, biomass of individual tree and yield are measured.As shown in Table 3, different fertilizer is handled
Under, rape biomass of individual tree and per mu yield difference are apparent.Compared with control of not applying fertilizer, phosphorus is crossed in normal superphosphate processing, synergy
The yield of rape that sour Calcium treatment, composite fertilizer are handled has increased separately 15.1%, 26.1%, 32.8%.The above results show synergy
Superphosphate fertilizer can significantly improve the biomass and grain yield of rape.
Table 4：Influence of the different fertilizer to growth of rape and grain yield
Note：Indicate difference up to 5% level of signifiance with lowercase difference after column data
Above-described embodiment I is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by change, modification, substitute, combination, letter
Change, should be equivalent substitute mode, be included in protection scope of the present invention.
Claims (10)
1. a kind of synergy calcium superphosphate coated fertilizer, including fertile core and coating layer composition, which is characterized in that the fertilizer core includes ammonia
Change calcium superphosphate, fermentation organic matter, macronutrient, micronutrient element and solid-state adhesion agent；Coating layer include coating agent,
Organophosphor, ammonium polyphosphate, phosphorous acid, plant growth regulator, marine algae extract and microbial metabolic products.
2. synergy calcium superphosphate coated fertilizer according to claim 1, which is characterized in that the fertilizer core each component accounts for coating
The mass ratio of fertilizer is respectively：Ammoniated superphosphate 25-65%, macronutrient 10-25%, micronutrient element 1-5%,
Ferment organic matter 10-35%, solid-state adhesion agent 5-15%.
3. synergy calcium superphosphate coated fertilizer according to claim 1, which is characterized in that the coating layer each component accounts for coating
The mass ratio of fertilizer is respectively：Coating agent 0.5-1.5%, organophosphor 0.5-4%, ammonium polyphosphate 0.5-4%, phosphorous acid 0.5-4%,
Plant growth regulator 0.1-0.5%, marine algae extract 1-3%, humic acid 0.1-1%, microbial metabolic products 0.1-1%.
4. synergy calcium superphosphate coated fertilizer according to claim 2, which is characterized in that the fermentation organic matter is butt
Chicken manure, humic acid, potassium fulvate, molasses powder, fermentation chaff shell or tobacco rod in two or more；The macronutrient
For at least two in urea, ammonium chloride, ammonium nitrate, potassium chloride, potassium nitrate；The micronutrient element is ferric sulfate, sulfuric acid
At least two in manganese, copper sulphate, zinc sulfate, borax, ammonium molybdate；The solid-state adhesion agent be hydroxymethyl cellulose, calcium carbonate,
At least two in talcum powder, bentonite.
5. synergy calcium superphosphate coated fertilizer according to claim 3, which is characterized in that the coating agent is that urea is molten
At least one of liquid, cellulose acetate, humic acid solution, the organophosphor are at least one of phosphatide, nucleotide, inositol；
The ammonium polyphosphate is the water-soluble phosphate that the degree of polymerization is 3-10.
6. synergy calcium superphosphate coated fertilizer according to claim 3, which is characterized in that the phosphorous acid solution, to be added
The mass ratio of the phosphorous acid solution of ascorbic acid, phosphorous acid and ascorbic acid solution is 100: 1-2；The marine algae extract is
At least one of kelp, sargassum, yellow tang are extracted using seaweed acid content prepared by alkaline hydrolysis technique for 1-10g/L seaweed
Object solution.
7. synergy calcium superphosphate coated fertilizer according to claim 3, which is characterized in that the plant growth regulator is naphthalene
At least two in sodium acetate, butyric acid potassium, compound sodium nitrophenolate, DA-6, abscisic acid；The microbial metabolic products are withered grass bud
The metabolite of at least two microorganisms in spore bacillus, bacillus amyloliquefaciens, bacillus megaterium.
8. according to the production method of synergy calcium superphosphate coated fertilizer described in claims 1-7, which is characterized in that including as follows
Step：
(1) calcium superphosphate ammonification：The calcium superphosphate that concentrated sulfuric acid method is produced, is sieved by 1mm, takes calcium superphosphate powder, uniformly
It is put into the roller of rolling, is constantly passed through ammonium hydroxide, flow is 0.3-1.2 cubic metres per hour, close after material fully reacts
Envelope preserves for 24 hours, wherein calcium superphosphate is 80-100 in mass ratio with ammonium hydroxide in roller: 1-5；
(2) fertile core makes：In ammoniated superphosphate roller, macronutrient is sequentially added, micronutrient element, fermentation have
Machine matter and solid-state adhesion agent are rolled and are granulated, then sieve, and obtain the granular fertilizer core that granularity is 1-4.75mm；
(3) coating of fertile core：Granular fertilizer core is put into rotary drum coating machine, so that fertile core is fully rolled in rotary drum, uses spray gun
The mixed solution containing coating agent, organophosphor, ammonium polyphosphate, phosphorous acid is uniformly sprayed toward fertilizer wicking surface, particle surfaces is waited to be formed
After one layer of even partition film, aeration-drying forms a coating；
(4) the secondary coating of fertile core：Contain plant growth regulator, sea after a coating layer is slightly dry, then with spray gun sprinkling
The mixture of algae extract, humic acid and microbial metabolic products forms secondary coating, fully after drying, forms graininess and increases
Imitate calcium superphosphate coated fertilizer.
9. according to the production method of synergy calcium superphosphate coated fertilizer described in claims 8, which is characterized in that
The rotating speed of roller pelletizer described in step (1) is 15-30r/min, and contains ammonification and steam access equipment；
Step (2) the granulation material moisture is 15-25%, and bowl temperature is 60-80 DEG C；
Step (3) the coated fertilizer drying is dried for ventilation under room temperature.
10. according to application of the optional one synergy calcium superphosphate coated fertilizer of claim 1-9 on tobacco planting.
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