CN105384550B - A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P - Google Patents
A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P Download PDFInfo
- Publication number
- CN105384550B CN105384550B CN201510987979.0A CN201510987979A CN105384550B CN 105384550 B CN105384550 B CN 105384550B CN 201510987979 A CN201510987979 A CN 201510987979A CN 105384550 B CN105384550 B CN 105384550B
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- organic
- release
- long
- inorganic complex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/06—Alkali and alkaline earth meta- or polyphosphate fertilisers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The present invention relates to compound fertilizer fields, it is related to the organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P a kind of, by designing raw material proportioning, processing technology step and technological parameter limit, organic-inorganic complex fertilizer is set to form multilayered structure compound fertilizer, with the decomposition release of each layer of structure, it is released fertilizer nutrient, and combine gamma-polyglutamic acid and ammonium polyphosphate proportion design, make nitrogen and P elements obtain and meanwhile long-term effect release, so that while providing nitrogen for crop, P elements can also be provided for crop, promote crop to the Balance Absorption of nutrient, reduce soil pollution, being incorporated in gamma-polyglutamic acid can chelate in soil in remaining metal ion or ammonium ion etc. and ammonium polyphosphate that ammonium ion can be with metal ion exchanged remaining in soil, so that soil is significantly improved , the quality of soil is improved, fertilizer application amount is reduced, improves utilization rate of fertilizer, reduces production estimation cost.
Description
Technical field
The present invention relates to organic-inorganic complex fertilizer technical field, especially a kind of organic and inorganic of long-acting slow-release P is multiple
Complex fertilizer material and preparation method thereof.
Background technique
As the continuous development of agricultural industry and agricultural industry influence worse and worse, especially caused by environment
Agricultural fertilizer, agricultural application etc. bring acid test to the coordinated development of environment and agricultural industry so as to agricultural fertilizer,
The quality requirements of agriculture medication are higher and higher.
Gamma-polyglutamic acid is the water-soluble polyamino acid that microbial fermentation generates, and is to pass through α-ammonia by glutamic acid units
Base and γ-carboxyl form the high molecular polymer of peptide bond.Molecular weight distribution is 100kDa-10000kDa.With excellent water suction
Property, superpower adsorptivity and biodegradability, catabolite is non-harmful glutamic acid, is a kind of excellent environment-friendly type high score
Sub- material can be used as water-retaining agent, adsorbent for heavy metal, flocculant, sustained release agent and pharmaceutical carrier etc., in cosmetics, ring
The industries such as border protection, food, medicine, agricultural, control of desert have very big commercial value and social value.Also, by grinding
Study carefully discovery, gamma-polyglutamic acid salt, the gamma-polyglutamic acid salt hydrosol have the similar property of gamma-polyglutamic acid and same valence
Value.In consideration of it, there is researcher using gamma-polyglutamic acid, gamma-polyglutamic acid salt, the gamma-polyglutamic acid salt hydrosol as raw material phase agriculture
Research in terms of industry, and the mainly research in terms of disease resistance of plant, water-loss reducer of soil and arable farming；As number of patent application is
200610138655.0 are related to gamma-polyglutamic acid (γ-PGA, H-shaped formula), gamma-polyglutamic acid salt, gamma-polyglutamic acid salt water-setting
Glue contains gamma-polyglutamic acid (γ-PGA, H-shaped formula), gamma-polyglutamic acid salt (gamma-polyglutamic acid salt), gamma-polyglutamic acid salt
Or mixtures thereof fermentation liquid of hydrogel is promoting plant growth or seed growth, is increasing crop yield, improvement inhibition pathogen
The application of aspect；The preparation method for specifically disclosing gamma-polyglutamic acid salt and its hydrogel also discloses the γ-of various concentration
Polyglutamic acid and its salt, various concentration γ-polyglutamate hydrogel are as humidizer, complexing agent and chelating agent to soil
The influence of energy；The application of seed pelleting is disclosed, application method is directly to apply；Nevertheless, the range provided due to it is too
Extensively, the concentration range provided is too big, and only concentration, lack usage amount so that it is difficult to meet the needs of agricultural production,
It is inconvenient when use.
Based on this, and there are preparation and its application aspect progress of the researcher to gamma-polyglutamic acid in fertilizer composition
Research, as Patent No. 200810172466.4 discloses a kind of fertilizer composition and its purposes.
It can be seen that in the prior art using gamma-polyglutamic acid as the application of agriculture field mainly as packet
Film, coating material, enable chelating possessed by gamma-polyglutamic acid, sustained release effect effectively by metal ion or ammonium
The long-term effect that radical ion is chelated and sustained release effect is combined to reach nitrogenous fertilizer.But it can not make the nitrogen phosphorus in agricultural fertilizer
Potassium element achievees the effect that long-acting, leads to the nutritional imbalance of compound fertilizer so that Fertilization Effect brought to environment it is serious
Test.
Summary of the invention
In order to solve the above technical problems existing in the prior art, the present invention provides organic-nothing of long-acting slow-release P a kind of
Machine complex fertilizer and preparation method thereof.
It is achieved particular by following technical scheme:
A kind of organic-inorganic complex fertilizer of long-acting slow-release P, material composition are gamma-polyglutamic acid 1-5 in parts by weight
Part, 10-15 parts of poly- phosphorus ammonium, 1000-3000 parts of fertilizer, 0-500 parts of organic matter, 0-500 parts of inanimate matter.
The organic matter is one of corncob, straw powder, feces of livestock and poultry, Chinese medicine slag or several any mixes
It closes.The Chinese medicine slag can be the mixture of one or more of dried orange peel, Chinese yam, Chinese yam, dandelion etc., and in
For the dregs of a decoction other than above-mentioned enumerate, the Chinese medicine listed belonged in Compendium of Material Medica can be used as raw material addition at it
In.
The inanimate matter is one of plant ash, bentonite or several any mixing.
The fertilizer is one or more kinds of phosphate fertilizer, potash fertilizer, secondary nutrients, trace-element fertilizer, azophoska
Hefei, biological organic fertilizer.Heretofore described nitrogen-phosphorus-potassium compound fertilizer, biological organic fertilizer are the product sold on existing market,
The product of such as " Sa Kefu ", " standing grain letter " brand.
The phosphate fertilizer is potassium dihydrogen phosphate, ammonium phosphate, calcium monohydrogen phosphate, calcium metaphosphate, thomas phosphate or active ground phosphate rock
One of or several any mixing.
The potash fertilizer is selected from one of potassium chloride, potassium sulfate, potassium nitrate or potassium dihydrogen phosphate or several any
Mixing.
The secondary nutrients are selected from one of calcareous fertilisers, fertiliser containing magnesium, sulfur fertilizer or several any mixing.Described
Calcareous fertilisers are calcium carbonate powder, calcium phosphate powder etc.；The fertiliser containing magnesium is calcium magnesium phosphate available on the market, magnesium chloride, magnesium sulfate
Etc.；The sulfur fertilizer is ammonium sulfate, potassium sulfate.
The trace-element fertilizer is selected from one of boron, iron, manganese, zinc or molybdenum trace-element fertilizer or several timess
Meaning mixing.The boron fertilizer is boric acid, borax etc.；The iron fertilizer is ferrous sulfate, iron ammonium sulfate etc.；Manganese fertilizer is sulfuric acid
Manganese, manganese chloride etc..Zinc fertilizer is zinc sulfate, zinc oxide etc.；Molydbenum fertilizer is ammonium molybdate, sodium molybdate etc..
In addition to this, the moisture content in the raw material in the present invention is not above 0.7%.Be exactly gamma-polyglutamic acid,
The moisture content of each raw material in poly- phosphorus ammonium, fertilizer, organic matter, inanimate matter etc. is intended to be less than or equal to 0.7%.
Another object of the present invention is to provide the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P, including
Following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 210-225 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 1-3min, by step (1)
Molten state ammonium polyphosphate be added, and stir process 10-20min obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 20-40s, then to spray a melting fertilizer first using a mixed slurry whitewashing, every
After 10-20s, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray are completed, can be obtained long-acting slow-release
The organic-inorganic complex fertilizer of P.
The step (3) is added with organic matter and/or nothing after fertilizer melt process also into the fertilizer of melting
Machine matter.
Inventive principle of the invention is mixed after gamma-polyglutamic acid is carried out appropriate match ratio with ammonium polyphosphate
Slurry so that mixed slurry has effects that long-acting slow-release P and N, and is combined and is set to the proportion between mixed slurry and fertilizer
Meter, so that the slow release effect of the organic-inorganic complex fertilizer formed is more excellent, it is especially more excellent to the slow release effect of P, so that slow
While releasing nitrogen, also along with the sustained release of P elements, make it possible to provide nitrogen phosphorus member for what is balanced in process of crop growth
The effect of element, improvement organic-inorganic complex fertilizer.
Organic-inorganic complex fertilizer in the present invention, can effectively make the sustained release of P to be in the growth cycle of plant
Reveal continuous variation, and can satisfy the nutritional need in growing process；
The present invention enables raw material proportioning to expire by the way that gamma-polyglutamic acid and ammonium polyphosphate, fertilizer are carried out proportion design
The speed of foot subsequent organic-inorganic complex fertilizer release, improves its slow release effect in growing process, raising apply fertilizer into
It after in soil, is absorbed by crops that complete degree is more excellent, avoids threatening to environment bring for Fertilization Effect, reduce dose,
Increase crop yield, save the cost.
The present invention especially controls the moisture content in each raw material lower than 0.7% hereinafter, make during working process,
The property of each raw material is relatively stable, other effects will not occur with water, it is ensured that and it is capable of forming purer molten mass, and
Other isomers will not occur, so that the quality of organic-inorganic complex fertilizer is improved.
The present invention is also by the processing step in preparation process and to the organic-inorganic complex fertilizer of preparation
Structure is configured processing, after fertilizer is especially prepared into particle, is carried out sieving processing, controls its granularity, then
The mixed slurry of gamma-polyglutamic acid and ammonium polyphosphate is sprayed at particle surface, and combine by fertilizer formed after slurries with it is above-mentioned
Mixed slurry carry out alternately whitewash package processing so that forming gamma-polyglutamic acid and polyphosphoric acid from inside to outside in particle surface
The mixture pulp layer of ammonium and the alternating structure of fertilizer layer, and the mixing of gamma-polyglutamic acid and ammonium polyphosphate is used in outermost layer
Feed pulp layer package, so that after the soil that applies fertilizer, in the slow releasing function of gamma-polyglutamic acid and the mixture pulp layer of ammonium polyphosphate
Under, the speed of the nutrient release of control fertilizer layer, and with progressive mode, so that it is delayed for a long time
It releases, promotes the long-term effect of nitrogen P elements；Equivalent control is carried out in combination with to the amount of whitewashing, in conjunction with continuous whitewashing packet
It wraps up in, so that grain diameter increases, causes wrapping layer from inside to outside gradually thinning, so that after in the soil that applies fertilizer, outer layer
The fast speed that the thin layer of package is decomposed so that fertilizer is released such as the fast speed in soil, and then can quickly be
Crop provides nutrition, and with the continuous variation of crop cycle, the rate of release of nutrient constantly changes, in turn
Reach and meet the needs of plant growth, improves the slow release effect of organic-inorganic complex fertilizer.
The present invention is combined to the design of raw material proportioning and the restriction of processing technology step and technological parameter, so that obtaining
Organic-inorganic complex fertilizer form the compound fertilizer of multilayered structure so that organic-inorganic complex fertilizer is with each layer of structure
Release is decomposed, so that the nutrient of fertilizer is released out, and combines the proportion design of gamma-polyglutamic acid and ammonium polyphosphate,
So that nitrogen and P elements obtain and meanwhile long-term effect release, and make while providing nitrogen for crop, moreover it is possible to
P elements enough are provided for crop, the absorption for promoting crop to be balanced the nutrient in the soil that applies fertilizer reduces the pollution of soil,
And being incorporated in gamma-polyglutamic acid can chelate in soil in remaining metal ion or ammonium ion etc. and ammonium polyphosphate
Ammonium ion also can swap effect with metal ion remaining in soil so that soil is significantly improved,
The quality for improving soil reduces fertilizer application amount, improves utilization rate of fertilizer, reduces production estimation cost.
The present invention is especially by controlling the moisture of raw material, so that raw material is during carrying out melt process,
It can effectively exclude moisture to the influence during melt process, and improving subsequent whitewashing in the process can be effectively by slurries
It is wrapped in particle surface, and the state of removing will not be showed, so that contact between layers is even closer, avoids layer
It is loose between layer, improve slow release effect.
In addition to this, this researcher by organic-inorganic complex fertilizer of the invention and traditional equivalent nutrient it is organic-
The comparative experiments that inorganic complex fertilizer carries out, organic-inorganic complex fertilizer of the invention can significantly reduce fertilizer amount dosage 37-
42%, so that volume increase reaches 17-21%, the fertilizer application amount of crops is reduced, environmental pollution is reduced.
Specific embodiment
It is limited below with reference to specific embodiment technical solution of the present invention is further, but claimed
Range is not only limited to made description.
EXPERIMENTAL EXAMPLE 1
Take polyglutamic acid 10g, ammonium polyphosphate 100g, in Qinhuangdao " Sa Kefu " sale of Ah's Fertilizer Company compound fertilizer
10kg, it is 15-15-15 that the trophic component in the compound fertilizer, which is N-P2O5-K2O,；And by the above-mentioned raw material taken out according to following
Method is prepared into the organic-inorganic complex fertilizer of long-acting slow-release P, specifically includes the following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 210 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 1min, by the melting of step (1)
State ammonium polyphosphate is added, and stir process 10min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；Wherein N is greater than or equal to 2, takes positive integer.
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 20s, then a melting fertilizer to be sprayed, every 10s first using a mixed slurry whitewashing
Afterwards, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray are completed, it is cooling, it can be obtained long-acting slow-release P
Organic-inorganic complex fertilizer.
And using the organic and inorganic of the fertilizer composition of Patent No. 200810172466.4 and above-mentioned long-acting slow-release P
Complex fertilizer carries out fertilizer treatment, and according to same amount of application, same fertilization mode and field management, as corn
After base manure fertilising, no longer spraying fertilizer is handled, and according to the amount for the 10.11kg that applies fertilizer per acre；Simultaneously also using A Huafei in Qinhuangdao
The compound fertilizer of " Sa Kefu " sale of company carries out equivalent, after same mode fertilizer treatment, to right after the counting of yield
Than using Patent No. using the corn yield ratio that the organic-inorganic complex fertilizer of long-acting slow-release P of the invention reaches
The yield of 200810172466.4 fertilizer is higher by 5 percentage points, than " Sa Kefu " that only uses Ah's Fertilizer Company in Qinhuangdao
The yield of the compound fertilizer of sale is higher by 17 percentage points.
EXPERIMENTAL EXAMPLE 2
The biological organic fertilizer 30kg for taking polyglutamic acid 15g, ammonium polyphosphate 150g, " Fu Side " brand to sell；And it will be above-mentioned
The raw material taken out is prepared into the organic-inorganic complex fertilizer of long-acting slow-release P in accordance with the following methods, specifically includes the following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 225 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 3min, by the melting of step (1)
State ammonium polyphosphate is added, and stir process 20min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；N is the positive integer more than or equal to 2.
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 40s, then a melting fertilizer to be sprayed, every 20s first using a mixed slurry whitewashing
Afterwards, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray completion can be obtained having for long-acting slow-release P
Machine-inorganic complex fertilizer.
By the organic-inorganic complex fertilizer of the above-mentioned long-acting slow-release P of acquisition and Patent No. 200810172466.4
Fertilizer composition and the biological organic fertilizer of " Fu Side " brand sale carry out carrying out rose equivalent, the progress of identical fertilization mode
Fertilizer treatment, it is subsequent no longer to carry out fertilizer treatment after basal dressing plants rose, and same field management is carried out, to three
The Rose Garden that the Rose Garden of kind of soil fertility quality is applied in warm indoor observation, using the organic-inorganic complex fertilizer of long-acting slow-release P
Growing way is substantially better than the fertilizer composition of Patent No. 200810172466.4 and the biological organic fertilizer of " Fu Side " brand sale.
EXPERIMENTAL EXAMPLE 3
The organic-inorganic complex fertilizer of long-acting slow-release P, material composition are gamma-polyglutamic acid 3kg, poly- phosphorus by weight
Ammonium 13kg, fertilizer 2000kg, organic matter 500kg, inanimate matter 500kg.The organic matter is corncob, straw powder, animal dung
Just, Chinese medicine slag arbitrarily mixes.The inanimate matter is plant ash, bentonitic any mixing.The fertilizer is phosphate fertilizer, potassium
Any mixture of fertilizer, secondary nutrients, trace-element fertilizer, nitrogen-phosphorus-potassium compound fertilizer, biological organic fertilizer.The phosphate fertilizer is
Any mixing of potassium dihydrogen phosphate, ammonium phosphate, calcium monohydrogen phosphate, calcium metaphosphate, thomas phosphate or active ground phosphate rock.The potash fertilizer
Any mixing selected from potassium chloride, potassium sulfate, potassium nitrate or potassium dihydrogen phosphate.The secondary nutrients are selected from calcareous fertilisers, magnesium
Any mixing of fertilizer, sulfur fertilizer.The trace-element fertilizer is selected from any of boron, iron, manganese, zinc, copper or molybdenum trace-element fertilizer
Mixing.The nitrogen-phosphorus-potassium compound fertilizer of use be " Sa Kefu " board, use biological organic fertilizer be " standing grain letter " board product.
Preparation method, comprising the following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 210 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 3min, by the melting of step (1)
State ammonium polyphosphate is added, and stir process 10min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；The N is the positive integer more than or equal to 2.
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 20s, then a melting fertilizer to be sprayed, every 20s first using a mixed slurry whitewashing
Afterwards, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray completion can be obtained having for long-acting slow-release P
Machine-inorganic complex fertilizer.The step (3) is added with organic matter after fertilizer melt process also into the fertilizer of melting
And inanimate matter.
The organic-inorganic complex fertilizer of above-mentioned acquisition is used for the base manure of cucumber, after every plant of fertilising 400g, after stopping
Continuous fertilizer treatment；After being handled using " Sa Kefu " board nitrogen-phosphorus-potassium compound fertilizer according to every plant of base manure 400g, then using every plant of 2kg work
It handles for top dressing, and is completed in 4 top dressings；Using the fertilizer composition 400g of Patent No. 200810172466.4 as cucumber
After base manure, fertilizer treatment no longer is carried out to it；The cucumber strain number of every group of above-mentioned plantation is 50 plants, and carries out to the yield of cucumber
Statistical analysis, as a result:
When using organic-inorganic complex fertilizer of the invention, the yield ratio of cucumber uses Patent No.
6 percentage points are higher by when 200810172466.4 fertilizer composition, than the yield using " Sa Kefu " board nitrogen-phosphorus-potassium compound fertilizer
8 percentage points are higher by, and low compared to the dose of " Sa Kefu " board nitrogen-phosphorus-potassium compound fertilizer.
EXPERIMENTAL EXAMPLE 4
The organic-inorganic complex fertilizer of long-acting slow-release P, material composition are gamma-polyglutamic acid 1kg, poly- phosphorus by weight
Ammonium 11kg, fertilizer 1500kg, organic matter 100kg, inanimate matter 100kg.The organic matter is corncob.The inanimate matter is
Plant ash.The fertilizer is nitrogen-phosphorus-potassium compound fertilizer.The nitrogen-phosphorus-potassium compound fertilizer of use is " Sa Kefu " board.
Preparation method, comprising the following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 220 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 2min, by the melting of step (1)
State ammonium polyphosphate is added, and stir process 15min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；The N is the positive integer more than or equal to 2.
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 30s, then a melting fertilizer to be sprayed, every 15s first using a mixed slurry whitewashing
Afterwards, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray completion can be obtained having for long-acting slow-release P
Machine-inorganic complex fertilizer.The step (3) is added with organic matter after fertilizer melt process also into the fertilizer of melting
And inanimate matter.
EXPERIMENTAL EXAMPLE 5
The organic-inorganic complex fertilizer of long-acting slow-release P, material composition are gamma-polyglutamic acid 2kg, poly- phosphorus by weight
Ammonium 14kg, fertilizer 2500kg, organic matter 300kg, inanimate matter 300kg.The organic matter be feces of livestock and poultry, Chinese medicine slag it is any
Mixing.The inanimate matter is bentonite.The fertilizer is phosphate fertilizer, potash fertilizer, secondary nutrients, trace-element fertilizer, nitrogen
Phosphorus potassium complex fertilizer, biological organic fertilizer.The phosphate fertilizer is any mixing of potassium dihydrogen phosphate, calcium monohydrogen phosphate, calcium metaphosphate.It is described
Potash fertilizer be selected from potassium sulfate, potassium nitrate or potassium dihydrogen phosphate any mixing.The secondary nutrients are selected from calcareous fertilisers, calcareous fertilisers
For calcium carbonate.The trace-element fertilizer is selected from boric acid.The nitrogen-phosphorus-potassium compound fertilizer of use is the biology of " Sa Kefu " board, use
Organic fertilizer is " standing grain letter " board product.
Preparation method, comprising the following steps:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 225 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 3min, by the melting of step (1)
State ammonium polyphosphate is added, and stir process 10min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains
Undersize；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N etc.
Part；Melting fertilizer remaining in step (3) is divided into N-1 equal portions, for use；The N is the positive integer more than or equal to 2.
(5) plus mateial in step (3) is placed in coating machine, and alternately whitewashing is being sieved by mixed slurry and melting fertilizer
The surface of bottom material, whitewashing process are after 25s, then a melting fertilizer to be sprayed, every 17s first using a mixed slurry whitewashing
Afterwards, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray completion can be obtained having for long-acting slow-release P
Machine-inorganic complex fertilizer.The step (3) is added with organic matter after fertilizer melt process also into the fertilizer of melting
And inanimate matter.
It is applied fertilizer per acre 50kg as base manure to wheat using organic-inorganic complex fertilizer manufactured in the present embodiment, together
When using equivalent according to said ratio addition ammonium polyphosphate, be not added with the fertilizer of gamma-polyglutamic acid as a control group 1, use
Equivalent according to said ratio addition gamma-polyglutamic acid, do not add the fertilizer of ammonium polyphosphate as a control group 2, and using etc.
After amount directly raw material is mixed according to said ratio the fertilizer that adds to wheat carry out the processing of single fertilization base manure as pair
According to group 3；Subsequent no longer to carry out fertilizer treatment, other field management are all the same, and growing state and final production to wheat
Measure it is for statistical analysis, as a result, the growing way of the wheat handled using organic-inorganic complex fertilizer of the invention is entire
Period is more uniform, and the growing way that control group 1, control group 2 and control group 3 show different times is very fast, and also companion
As the phenomenon that dead leaf, yellow seedling, generates, and the yield of final wheat, 9.5 are higher by using the ratio control group 1 that the present invention is handled
Percentage point, is higher by 8.1 percentage points than control group 2, is higher by 7.9 percentage points than control group 3；And according to Wheat Seedling
Observation, it is much fewer than control group 1, control group 2, control group 3 for the demand of subsequent top dressing, it can effectively reduce chemical fertilizer
Usage amount.Above-mentioned technical effect is obtained, this researcher further studies the above-mentioned phenomenon occurred in this experiment,
It is obtained:, can not only nitrogen in activating soil after in soil that organic-inorganic complex fertilizer of the invention applies fertilizer
The nutrients such as phosphorus potassium improve soil quality, but also can control the burst size of the nutrient in the present invention, so that it is full
The demand of the sufficient entire growth cycle of wheat improves the slow release effect to nutrient；And the design Jing Guo its compound fertilizer's structure, make
It obtains during decomposing release, as each layer of thickness is different, so that its speed for discharging nutrient is controlled, raising
Its nutritional need Service Efficiency in crop cycle.
Claims (9)
1. a kind of preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P, which is characterized in that its using material composition with
Parts by weight are calculated as 1-5 parts of gamma-polyglutamic acid, 10-15 parts of poly- phosphorus ammonium, 1000-3000 parts of fertilizer, 0-500 parts of organic matter, inanimate matter
0-500 parts, and the following steps are included:
(1) ammonium polyphosphate is placed in melting furnace, and be processed to molten state, for use；
It (2) is 210-225 DEG C by gamma-polyglutamic acid heating treatment to temperature, after constant temperature keeps 1-3min, by the molten of step (1)
Melt the addition of state ammonium polyphosphate, and stir process 10-20min, obtains mixture；
(3) by fertilizer melt process and the half of melting fertilizer is taken to be granulated, cool down, crosses the sieve of 30 mesh, obtains sieve bottom
Material；The sieve that undersize is crossed to 60 mesh again, obtains plus mateial；
(4) mixture that step (2) obtains is melt into slurries, obtains mixed slurry, and mixed slurry is divided into N equal portions；It will
Remaining melting fertilizer is divided into N-1 equal portions in step (3), for use；
(5) plus mateial in step (3) is placed in coating machine, and mixed slurry and melting fertilizer is alternately whitewashed in undersize
Surface, whitewashing process is after 20-40s, then a melting fertilizer to be sprayed, every 10- first using a mixed slurry whitewashing
After 20s, then a mixed slurry is sprayed, until mixed slurry and melting fertilizer spray are completed, can be obtained long-acting slow-release P's
Organic-inorganic complex fertilizer.
2. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as described in claim 1, which is characterized in that described
The step of (3), after fertilizer melt process, also into the fertilizer of melting be added with organic matter and/or inanimate matter.
3. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as described in claim 1, which is characterized in that described
Organic matter be one of corncob, straw powder, feces of livestock and poultry, Chinese medicine slag or several any mixing.
4. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as described in claim 1, which is characterized in that described
Inanimate matter be one of plant ash, bentonite or several any mixing.
5. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as described in claim 1, which is characterized in that described
Fertilizer be phosphate fertilizer, potash fertilizer, secondary nutrients, trace-element fertilizer, nitrogen-phosphorus-potassium compound fertilizer, biological organic fertilizer one kind or
It is a variety of.
6. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as claimed in claim 5, which is characterized in that described
Phosphate fertilizer be one of potassium dihydrogen phosphate, ammonium phosphate, calcium monohydrogen phosphate, calcium metaphosphate, thomas phosphate or active ground phosphate rock or
Several any mixing.
7. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as claimed in claim 5, which is characterized in that described
Potash fertilizer be selected from one of potassium chloride, potassium sulfate, potassium nitrate or potassium dihydrogen phosphate or several any mixing.
8. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as claimed in claim 5, which is characterized in that described
Secondary nutrients be selected from one of calcareous fertilisers, fertiliser containing magnesium, sulfur fertilizer or several any mixing.
9. the preparation method of the organic-inorganic complex fertilizer of long-acting slow-release P as claimed in claim 5, which is characterized in that described
Trace-element fertilizer be selected from one of boron, iron, manganese, zinc, copper or molybdenum trace-element fertilizer or several any mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987979.0A CN105384550B (en) | 2015-12-24 | 2015-12-24 | A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987979.0A CN105384550B (en) | 2015-12-24 | 2015-12-24 | A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105384550A CN105384550A (en) | 2016-03-09 |
| CN105384550B true CN105384550B (en) | 2019-03-05 |
Family
ID=55417384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987979.0A Active CN105384550B (en) | 2015-12-24 | 2015-12-24 | A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105384550B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047358A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Water-retaining agent used for peanuts in saline-alkali soil and containing poly gamma-glutamic acid and preparation method thereof |
| CN106116991A (en) * | 2016-06-25 | 2016-11-16 | 深圳市芭田生态工程股份有限公司 | A kind of combined jet granulation tower compound fertilizer granulating method |
| CN106883068A (en) * | 2017-02-22 | 2017-06-23 | 李峰 | A kind of organo-mineral complexing gel coating type layering ring bag slow-release fertilizer and preparation method thereof |
| CN107602240A (en) * | 2017-10-16 | 2018-01-19 | 王欣 | A kind of production method of the microbial manure comprising bacillus subtilis |
| CN108456122B (en) * | 2018-04-02 | 2021-05-25 | 金正大生态工程集团股份有限公司 | Special slow release fertilizer for peanuts and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117303B (en) * | 2007-07-09 | 2010-12-15 | 华中农业大学 | Poly-gama-glutamic acid building fertilizer |
| CN102875234B (en) * | 2012-10-17 | 2015-03-25 | 中国农业科学院农业资源与农业区划研究所 | Novel synergetic compound fertilizer and preparation method thereof |
| CN103254009A (en) * | 2013-05-20 | 2013-08-21 | 深圳市芭田生态工程股份有限公司 | Gamma-polyglutamic acid slow-release preparation, preparation method and application thereof |
| CN104163728B (en) * | 2014-09-03 | 2017-02-01 | 南京轩凯生物科技有限公司 | Double-coated long-acting controlled-release fertilizer and preparation method thereof |
-
2015
- 2015-12-24 CN CN201510987979.0A patent/CN105384550B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105384550A (en) | 2016-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105384550B (en) | A kind of organic-inorganic complex fertilizer and preparation method thereof of long-acting slow-release P | |
| CN102503687B (en) | Melt granulated polypeptide stable fertilizer and preparation method thereof | |
| CN105130676B (en) | A kind of liquid fertilizer of drought-resistant water-preserving fertilizer conservation and preparation method thereof | |
| CN103664369B (en) | A kind of synergy loss controlling fertilizer and preparation method thereof | |
| CN104262041A (en) | Nutritional disease-preventing pesticide fertilizer and application thereof, nutritional disease-preventing pesticide fertilizer slow release agent and application thereof | |
| CN105237295A (en) | Special humic acid chelated slow-release fertilizer for wheat and preparation method thereof | |
| CN103880554A (en) | Controlled-release fertilizer taking isobutylidene diurea as coating material and preparation method thereof | |
| CN105152791A (en) | Special humic acid chelated slow-release fertilizer for cotton and preparation method thereof | |
| CN109704863A (en) | A kind of bulky grain sulfur-containing nitrogen fertilizer and preparation method thereof | |
| WO2017157307A1 (en) | Potassium nitrate co-production tower melt microprilled water-soluble fertilizer and method of preparing same | |
| CN102992920A (en) | Granulating forming process of secondary element water soluble fertilizer | |
| WO2014101267A1 (en) | Method for preparing special slow-release long-acting compound fertilizer for tobacco | |
| WO2014101269A1 (en) | Method for preparing special slow-release long-acting compound fertilizer for paddy rice | |
| WO2014101266A1 (en) | Slow-release compound fertilizer applicable to plantation of soybeans | |
| CN105175163A (en) | Special ecological compound fertilizer for wheat and preparation method thereof | |
| CN105110999A (en) | Biological compound fertilizer for soybeans and preparation method of biological compound fertilizer | |
| CN106431612A (en) | Preparation method of controlled release fertilizer for aquatic crops | |
| WO2014101265A1 (en) | Slow-release compound fertilizer applicable to plantation of corn | |
| CN103086803A (en) | Lumbrukinase compound fertilizer and preparation method thereof | |
| CN106905054A (en) | A kind of production method of alginic acid containing nitrate nitrogen potassium SA Chemical Mixed Fertilizer high | |
| CN106397000A (en) | Production method of special controlled release seed dressing insecticide-fertilizer for wheat | |
| CN105152788A (en) | Ecological compound fertilizer dedicated to cotton and preparation method thereof | |
| CN105272590A (en) | Special humic acid chelated slow-release fertilizer for corn and preparation method of slow-release fertilizer | |
| CN109851431A (en) | A kind of slow-release compound fertilizer of modified synergistic and preparation method thereof | |
| CN108358680A (en) | The micro- anti-dusting type phosphate fertilizer coating method of moisture-proof anti-caking in a kind of addition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |