CN109438138A - A kind of dedicated charcoal base manure in cotton field and preparation method thereof - Google Patents
A kind of dedicated charcoal base manure in cotton field and preparation method thereof Download PDFInfo
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- CN109438138A CN109438138A CN201910033200.XA CN201910033200A CN109438138A CN 109438138 A CN109438138 A CN 109438138A CN 201910033200 A CN201910033200 A CN 201910033200A CN 109438138 A CN109438138 A CN 109438138A
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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
- C05G3/80—Soil conditioners
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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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- 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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- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The invention discloses dedicated charcoal base manure in a kind of cotton field and preparation method thereof, the dedicated charcoal base manure in cotton field is made of the raw material of following parts by weight: 15~18 parts by weight of Diammonium phosphate (DAP), 2~5 parts by weight of urea, 2~5 parts by weight of potassium sulfate, 30~45 parts by weight of cotton stalk charcoal, 8~16 parts by weight of gypsum, 8~16 parts by weight of bentonite.For preparation method the following steps are included: step 1, biomass carbon is made in 450-550 DEG C of limit oxygen charing in cotton stalk, while wood vinegar being uniformly sprayed on the biomass carbon after being made；Step 2, bentonite and gypsum are sieved with 100 mesh sieve, cotton stalk biomass carbon crosses 60 meshes；Step 3, each raw material is admixed together and stir evenly, charcoal base fertiliser mixtures are made；Step 4, fertiliser granulates are made to above-mentioned charcoal base fertiliser mixtures；Step 5, fertiliser granulates are dried with drying machine, obtain cotton stalk charcoal base manure.
Description
Technical field
The present invention relates to charcoal base manure material preparation technical fields, more particularly to a kind of dedicated charcoal base manure in cotton field and its system
Preparation Method.
Background technique
Chemical fertilizer has many advantages, such as to ensure grain yield, volume increase.But that there is also utilization rates is low and long-term a large amount of single for chemical fertilizer
There is phenomena such as hardened, acidification in soil to fertilize.
Biomass carbon is porous mass, has preferable adsorptivity, biomass carbon and chemical fertilizer can be improved of compounding application
Fertile utilization rate increases grain yield.However organic matter, npk nutrient contained by Different Soil are variant；Different Crop
Absorbing nutrient rule also has respective feature.Therefore it needs to be developed according to crop regulation of fertilizer requirement or soil characteristic to be suitble to the crop
Or the dedicated fertilizer in area.There is dedicated charcoal base manure for large cherry, soybean, beet etc. at present, and the dedicated charcoal base manure of cotton is not
It appears in the newspapers, has to be developed.
Delta Region of The Yellow River has the tradition of plant cotton.The solonchak plant cotton area of especially this area is larger,
It is long to plant historical time.But local farmers apply fertilizer still empirically, for a long time not according to soil regime and cotton
Flower regulation of fertilizer requirement adjustment fertilising.Such as solonchak pH meta-alkalescence, local farmers are accustomed to application of phosphoric acid diammonium, are easy under alkaline condition
Generate volatilization；The problems such as not application of potash fertilizer simultaneously, application of potash fertilizer is not easy to cause soil potassium insufficient for a long time.There is also changes
The problems such as fertile utilization rate is not high, and soil organic matter content is low, and then influences output of cotton, increase planting cost.Cotton is adopted simultaneously
It is also a problem that a large amount of cotton stalk, which recycles, after plucking.
In existing patent document, application number: 201310389565.9 Chinese patent literature, which discloses, a kind of uses cotton
The method that chopped straw stalk prepares charcoal base manure material, comprising the following steps: step 1, prepare cotton stalk biology using cotton stalk
Charcoal；Step 2, it crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 40 meshes；Step 3, by 16~19 parts by weight of phosphoric acid ammoniums, 7~9 parts by weight of urea, 7~9 parts sulfuric acid potassium, 1~2 weight
Part zinc sulfate, 1~2 part by weight of boric acid, 7~9 parts by weight nitro humic acids, 30~40 parts by weight cotton stalk charcoals, 7~12
Parts by weight gypsum and 7~12 parts by weight of bentonite are admixed together and stir evenly, and obtain fertiliser mixtures；Step 4, to described
Fertiliser mixtures carry out preliminary granulation with rotary drum granulator first, then carry out integer granulation with granulating disc, obtain fertilizer
Particle；Step 5, fertiliser granulates are dried with drying machine, obtain charcoal base manure material.The present invention is according to right in recent years
The optimization formula for having studied and defined cotton base manure of cotton regulation of fertilizer requirement, it is possible to provide cotton a great number of elements, moderate-element, micro member
Element improves the yield and quality of cotton.But be not suitable for the solonchak feature of Delta Region of The Yellow River.
Application number: 201610021445.7 Chinese patent literature discloses a kind of preparation method of charcoal base manure, main
Want the organic fertilizer processed the following steps are included: corn stover is fermented；Corn stover high-temperature calcination prepares charcoal；The mixing of charcoal base manure
Preparation.The present invention adds biological carbon materials in organic compound fertilizer, increases suction-operated of the charcoal to fertilizer, alleviates fertilizer
The excessive loss of material, enhances fertilizer efficiency, while having played the effect of Organic Manure on Soil nutrition improvement；The present invention realizes corn
The efficient utilization of stalk, improves biomass resource utilization efficiency, solves the problems, such as that corn stover is difficult to degrade, recycle,
With extremely far-reaching social effect and economic value.But be not suitable for cotton planting.
Application number: 201710572758.6 Chinese patent literature discloses a kind of charcoal base manure material and preparation method.
This method mediates with a small amount of phosphoric acid by handling stalk miniaturization, is impregnated with phosphoric acid inside stalk micro mist, is then equipped with urine
Element, potassium sulfate and calcium superphosphate are premixed uniformly using high-speed mixer, a small amount of moisture regulation material moisture are added, and are recycled
High shear extruder makes its low temperature continuous shear stress be carbonized, and each component homogenizing is compound to obtain charcoal base manure material.This method utilizes phosphorus
Acid makes straw low temperature be carbonized, and remains organic matter, makes stalk micro mist have thermoplastic processing using urea, thus real
Scale, serialization, cleanly production charcoal base manure material are showed.But be not suitable for cotton planting.
Summary of the invention
In view of the deficienciess of the prior art, the technical problem to be solved by the present invention is to for Delta Region of The Yellow River
Solonchak feature and cotton regulation of fertilizer requirement provide a kind of that cotton stalk biomass carbon, chemical fertilizer and wood vinegar is dedicated in conjunction with cotton is developed
Cotton stalk biomass carbon base and preparation method thereof.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of dedicated charcoal base manure in cotton field, by as follows
The raw material of parts by weight is made: 15~18 parts by weight of Diammonium phosphate (DAP), 2~5 parts by weight of urea, 2~5 parts by weight of potassium sulfate, cotton straw
30~45 parts by weight of stalk charcoal, 8~16 parts by weight of gypsum, 8~16 parts by weight of bentonite.
A kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 1, steps are as follows:
Step 1, biomass carbon is made in 450-550 DEG C of limit oxygen charing in cotton stalk, while wood vinegar uniformly being sprayed
On the biomass carbon after being made；
Step 2, bentonite and gypsum are sieved with 100 mesh sieve, cotton stalk biomass carbon crosses 60 meshes；
Step 3, by 15~18 parts by weight of phosphoric acid diammoniums, 2~5 parts by weight of urea, 2~5 parts sulfuric acid potassium, 30~45 weights
Amount part cotton stalk charcoal, 8~16 parts by weight gypsum and 8~16 parts by weight of bentonite are admixed together and stir evenly, and make
At charcoal base fertiliser mixtures；
Step 4, preliminary granulation is carried out with rotary drum granulator first to above-mentioned charcoal base fertiliser mixtures, then uses disc granulation
Machine carries out integer granulation, and fertiliser granulates are made；
Step 5, fertiliser granulates are dried with drying machine, obtain cotton stalk charcoal base manure.
Further, step 1, the specific steps of charcoal are prepared using cotton stalk are as follows: cotton stalk is first ground into 8
~12cm, and make cotton stalk moisture < 30%, so that the cotton stalk crushed is carried out flameless combustion in the environment of anoxic, is made
Cotton stalk charcoal.
It is further preferable that step 3, by 16.2 parts by weight of phosphoric acid diammoniums, 4.7 parts by weight of urea, 6 parts sulfuric acid potassium, 30
~40 parts by weight cotton stalk charcoals, 7~12 parts by weight gypsum and 7~12 parts by weight of bentonite are admixed together and stir equal
It is even, obtain fertiliser mixtures.
Further, step 4, fertilizer mixes during carrying out preliminary granulation with rotary drum first to the fertiliser mixtures
Object temperature is 60~80 DEG C, and the water content of fertiliser mixtures is 4~10%.
Further, step 5, the inlet temperature of drying machine is 180~250 DEG C.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) cotton stalk charcoal base manure provides a kind of approach that solution cotton stalk resource utilizes, and cotton stalk biomass carbon is added
Charcoal base manure chemical fertilizer can be delayed to discharge process in the soil, be conducive to improve chemical fertilizer utilization ratio.
(2) wood vinegar nutrient rich in, is conducive to plant growth, and wood vinegar itself is in the acid biomass with alkalinity
Charcoal compounding application can reduce biomass carbon pH.Be conducive to apply in solonchak.
(3) cotton stalk charcoal base manure meets national fertilizer standard, while having the characteristics that improve soil, after wood vinegar is added
Nutrient is richer.
(4) compared with conventional fertilizer application, the application dedicated cotton stalk biomass carbon base of cotton than Single fertilizer Yield Increase In Cotton 19%,
Soil organic matter content improves 21%, and alkali-hydrolyzable nitrogen, available phosphorus and quick-acting potassium content are respectively increased 20%, 5% and 70%.
(5) compared with conventional fertilizer application, the application dedicated cotton stalk biomass carbon base of cotton saves fertilizer 50- than Single fertilizer
70%.
(6) cotton stalk biomass carbon base can reduce the volatilization loss of ammonium nitrogen, and then improve the content of soil alkali-hydrolyzable nitrogen.
Specific embodiment
Form by the following examples is described in further detail above content of the invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all technologies based on realization belonging to above content of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
The charcoal base manure material of the present embodiment is the dedicated charcoal base manure in cotton field.
It crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 60 meshes.
The additive amount of every double centner cotton special bio charcoal base manure raw material is as follows: by 16.2 kilograms of Diammonium phosphate (DAP), 4.7 thousand
Gram urea, 6 kilograms of potassium sulfates (K2O-50), 30 kilograms of cotton stalk charcoals, 12 kilograms of gypsum and 12 kilograms of bentonites mixing
To together and stirring evenly, fertiliser mixtures are obtained.Heating makes fertiliser mixtures temperature at 60 DEG C, the water content of fertiliser mixtures
It is 4~10%.
Preliminary granulation is carried out with rotary drum granulator first to the fertiliser mixtures, then carries out integer with granulating disc
It is granulated, obtains fertiliser granulates.Flux matched in order to make conveyer belt conveying capacity and rotary drum granulator discharge, rotary drum granulator presses discharging
Direction tilts 1.5~2 °, and revolving speed is 8~15r/min.The horizontal sextant angle of granulating disc disk is at 50~60 °, disk sideline speed
1~1.4m/s.
Fertiliser granulates are dried with drying machine, the inlet temperature of drying machine is 180~250 DEG C, obtains charcoal base
Fertilizer.
Embodiment 2
The charcoal base manure material of the present embodiment is the dedicated charcoal base manure in cotton field.
It crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 60 meshes.
The additive amount of every double centner cotton special bio charcoal base manure raw material is as follows: by 16.2 kilograms of Diammonium phosphate (DAP), 4.7 thousand
Gram urea, 6 kilograms of potassium sulfates (K2O-50), 35 kilograms of cotton stalk charcoals, 9 kilograms of gypsum and 9 kilograms of bentonites are mixed into
It together and stirs evenly, obtains fertiliser mixtures.Heating makes fertiliser mixtures temperature at 65 DEG C, and the water content of fertiliser mixtures is
4~10%.
Preliminary granulation is carried out with rotary drum granulator first to the fertiliser mixtures, then carries out integer with granulating disc
It is granulated, obtains fertiliser granulates.Flux matched in order to make conveyer belt conveying capacity and rotary drum granulator discharge, rotary drum granulator presses discharging
Direction tilts 1.5~2 °, and revolving speed is 8~15r/min.The horizontal sextant angle of granulating disc disk is at 50~60 °, disk sideline speed
1~1.4m/s.
Fertiliser granulates are dried with drying machine, the inlet temperature of drying machine is 180~250 DEG C, obtains charcoal base
Fertilizer.
Embodiment 3
The charcoal base manure material of the present embodiment is the dedicated charcoal base manure in cotton field.
It crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 60 meshes.
The additive amount of every double centner cotton special bio charcoal base manure raw material is as follows: by 16.2 kilograms of Diammonium phosphate (DAP), 4.7 thousand
Gram urea, 6 kilograms of potassium sulfates (K2O-50), 40 kilograms of cotton stalk charcoals, 7 kilograms of gypsum and 7 kilograms of bentonites are mixed into
It together and stirs evenly, obtains fertiliser mixtures.Heating makes fertiliser mixtures temperature at 70 DEG C, and the water content of fertiliser mixtures is
4~10%.
Preliminary granulation is carried out with rotary drum granulator first to the fertiliser mixtures, then carries out integer with granulating disc
It is granulated, obtains fertiliser granulates.Flux matched in order to make conveyer belt conveying capacity and rotary drum granulator discharge, rotary drum granulator presses discharging
Direction tilts 1.5~2 °, and revolving speed is 8~15r/min.The horizontal sextant angle of granulating disc disk is at 50~60 °, disk sideline speed
1~1.4m/s.
Fertiliser granulates are dried with drying machine, the inlet temperature of drying machine is 180~250 DEG C, obtains charcoal base
Fertilizer.
Embodiment 4
The charcoal base manure material of the present embodiment is the dedicated charcoal base manure in cotton field.
It crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 60 meshes.
The additive amount of every double centner cotton special bio charcoal base manure raw material is as follows: by 16.2 kilograms of Diammonium phosphate (DAP), 4.7 thousand
Gram urea, 6 kilograms of potassium sulfates (K2O-50), 38 kilograms of cotton stalk charcoals, 10 kilograms of gypsum and 10 kilograms of bentonites mixing
To together and stirring evenly, fertiliser mixtures are obtained.Heating makes fertiliser mixtures temperature at 75 DEG C, the water content of fertiliser mixtures
It is 4~10%.
Preliminary granulation is carried out with rotary drum granulator first to the fertiliser mixtures, then carries out integer with granulating disc
It is granulated, obtains fertiliser granulates.Flux matched in order to make conveyer belt conveying capacity and rotary drum granulator discharge, rotary drum granulator presses discharging
Direction tilts 1.5~2 °, and revolving speed is 8~15r/min.The horizontal sextant angle of granulating disc disk is at 50~60 °, disk sideline speed
1~1.4m/s.
Fertiliser granulates are dried with drying machine, the inlet temperature of drying machine is 180~250 DEG C, obtains charcoal base
Fertilizer.
Embodiment 5
The charcoal base manure material of the present embodiment is the dedicated charcoal base manure in cotton field.
It crushes gypsum, bentonite and cotton stalk charcoal, gypsum and bentonite to sieve with 100 mesh sieve, cotton stalk charcoal
Cross 60 meshes.
The additive amount of every double centner cotton special bio charcoal base manure raw material is as follows: by 16.2 kilograms of Diammonium phosphate (DAP), 4.7 thousand
Gram urea, 6 kilograms of potassium sulfates (K2O-50), 35 kilograms of cotton stalk charcoals, 11 kilograms of gypsum and 8 kilograms of bentonites are mixed into
It together and stirs evenly, obtains fertiliser mixtures.Heating makes fertiliser mixtures temperature at 80 DEG C, and the water content of fertiliser mixtures is
4~10%.
Preliminary granulation is carried out with rotary drum granulator first to the fertiliser mixtures, then carries out integer with granulating disc
It is granulated, obtains fertiliser granulates.Flux matched in order to make conveyer belt conveying capacity and rotary drum granulator discharge, rotary drum granulator presses discharging
Direction tilts 1.5~2 °, and revolving speed is 8~15r/min.The horizontal sextant angle of granulating disc disk is at 50~60 °, disk sideline speed
1~1.4m/s.
Fertiliser granulates are dried with drying machine, the inlet temperature of drying machine is 180~250 DEG C, obtains charcoal base
Fertilizer.
Test example 1
One, testing program
In Dongying Area, the solonchak of long-term plant cotton carries out 1 year field trial.Setting is not applied fertilizer (CK), is not applied any
Fertilizer；Single fertilizer (F) applies urea 20kg/ mus, 40kg/ mus of Diammonium phosphate (DAP), 20kg/ mus of potassium sulfate, cotton stalk charcoal base manure
(CBF) 666kg/ mus.Three processing, repeat, each cell 30m three times2, random district's groups arrangement.Cotton stalk charcoal base manure conduct
Base manure base before 4-5 month sowing cotton seed is applied.Test result is shown in Table 1.
1 different disposal output of cotton of table and soil chemical properties difference
Two, conclusion (of pressure testing)
Cotton stalk charcoal base manure is applied than Single fertilizer Yield Increase In Cotton 19%, soil organic matter content improves 21%, alkaline hydrolysis
Nitrogen, available phosphorus and quick-acting potassium content are respectively increased 20%, 5% and 70%.Chemical fertilizer 50-70% is saved simultaneously.
Test example 2
One, test arrangement
Test executes place and time: Dongying Area, and on April 2nd, 2018, basal dressing, was sowed April 8, Nian Shiyue 15th
Terminate.
For studying object: cotton variety is middle cotton 47.
Experimental field edaphic condition: being flour sand earth for examination soil, and trial zone soil fertility condition is 12.9 (g/ of the soil organism
Kg), total soil nitrogen 0.8 (g/kg), soil alkali-hydrolyzable nitrogen 65.4 (mg/kg), soil available phosphorus 11.5 (mg/kg), soil available nitrogen
178.2(mg/kg)。
Testing program: test is set to be repeated three times, four processing, 30 ㎡ of plot area.
1 is handled, per acre base manure: Diammonium phosphate (DAP) 16.2kg, urea 4.7kg, potassium sulfate (K2O-50) 6kg.
Processing 2, the dedicated charcoal base manure in cotton field that per acre prepared by base manure 100kg embodiment 1.
Processing 3, the dedicated charcoal base manure in cotton field that per acre prepared by base manure 100kg embodiment 2.
The dedicated charcoal base manure in cotton field that per acre prepared by base manure 100kg embodiment 3 of processing 4.
The investigation and management in field
Agronomic Characters of Cotton is investigated 2 times, and each investigation is primary before and after top dressing, is investigated cotton plant height, flower bud number respectively, is spent number, bell
Number, in first time topdressing urea 10kg on June 26, July 13 second of top dressing urea 10kg, collecting period October 15 surveyed
Produce and measure Single boll weight.
Two, conclusion (of pressure testing)
Processing 1 is in cotton nutrient growth early period and comes into bloom with certain advantage, illustrates that chemical fertilizer is directly used in base manure
Quick-acting is better than cotton field special bio charcoal base manure, until cotton harvesting, the dedicated life in cotton field since the reproductive stage of cotton
Object charcoal base manure handles for base manure and is directly used in becoming better and better for base manure performance than chemical fertilizer, illustrates that cotton field special bio charcoal base manure is used
There is certain long-term effect, water-retaining property, nutrient preserving capability in base manure.Single tinkling of pieces of jade of cotton handles 4 (5.6g) > again and handles at 3 (5.5g) >
It manages 2 (5.3g) > and handles 1 (4.8g), processing 4,3,2, difference is not significant, and handles 4,3,2 and reach the level of signifiance compared with processing 1
(p < 0.05).The lint yield of cotton handles 4 (363.9kg) > and handles 2 (354.8kg) >, 3 (352.6kg) > of processing processing 1
(324.5kg), 4,2,3 differences of processing are not significant, and handle 4,2,3 and reach the level of signifiance (p < 0.05) compared with processing 1.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of dedicated charcoal base manure in cotton field, which is characterized in that be made of the raw material of following parts by weight: 15~18 weight of Diammonium phosphate (DAP)
Part, 2~5 parts by weight of urea, 2~5 parts by weight of potassium sulfate, 30~45 parts by weight of cotton stalk charcoal, 8~16 weight of gypsum
Part, 8~16 parts by weight of bentonite.
2. a kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 1, which is characterized in that steps are as follows:
Step 1, biomass carbon is made in 450-550 DEG C of limit oxygen charing in cotton stalk, while wood vinegar being uniformly sprayed to system
On biomass carbon after；
Step 2, bentonite and gypsum are sieved with 100 mesh sieve, cotton stalk biomass carbon crosses 60 meshes；
Step 3, by 15~18 parts by weight of phosphoric acid diammoniums, 2~5 parts by weight of urea, 2~5 parts sulfuric acid potassium, 30~45 parts by weight
Cotton stalk charcoal, 8~16 parts by weight gypsum and 8~16 parts by weight of bentonite are admixed together and stir evenly, and charcoal is made
Base fertiliser mixtures；
Step 4, preliminary granulation is carried out with rotary drum granulator first to above-mentioned charcoal base fertiliser mixtures, then with granulating disc into
Row integer is granulated, and fertiliser granulates are made；
Step 5, fertiliser granulates are dried with drying machine, obtain cotton stalk charcoal base manure.
3. a kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 2, which is characterized in that step 1, utilize cotton
Chopped straw stalk prepares the specific steps of charcoal are as follows: cotton stalk is first ground into 8~12cm, and makes cotton stalk moisture <
30%, so that the cotton stalk crushed is carried out flameless combustion in the environment of anoxic, cotton stalk charcoal is made.
4. a kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 2, which is characterized in that step 3, by 16.2
Parts by weight of phosphoric acid diammonium, 4.7 parts by weight of urea, 6 parts sulfuric acid potassium, 30~40 parts by weight cotton stalk charcoals, 7~12 weights
Amount part gypsum and 7~12 parts by weight of bentonite are admixed together and stir evenly, and obtain fertiliser mixtures.
5. a kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 2, which is characterized in that step 4, to described
Fertiliser mixtures temperature is 60~80 DEG C during fertiliser mixtures carry out preliminary granulation with rotary drum first, fertiliser mixtures
Water content is 4~10%.
6. a kind of preparation method of the dedicated charcoal base manure in cotton field according to claim 2, which is characterized in that step 5, drying machine
Inlet temperature be 180~250 DEG C.
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| CN110436999A (en) * | 2019-08-14 | 2019-11-12 | 青岛农业大学 | Dedicated charcoal base composite fertilizer in a kind of solonchak area cotton field and preparation method thereof |
| CN110663504A (en) * | 2019-11-20 | 2020-01-10 | 江苏省农业科学院 | Urban garden soil improvement method |
| CN110818507A (en) * | 2019-12-03 | 2020-02-21 | 平顶山豫稼轩农业科技股份有限公司 | Bio-organic fertilizer and processing method thereof |
| CN111187118A (en) * | 2020-02-24 | 2020-05-22 | 浙江科技学院 | Method for preparing carbon-based fertilizer by using perishable garbage as raw material and application |
| CN111533609A (en) * | 2020-05-28 | 2020-08-14 | 石河子大学 | Saline-alkali soil modifier carbon-based fertilizer and preparation method and application thereof |
| CN112537984A (en) * | 2020-12-11 | 2021-03-23 | 江西农业大学 | Carbon-based fertilizer modifier and process |
| CN114181022A (en) * | 2021-12-24 | 2022-03-15 | 河北工程大学 | Preparation method and drying device of carbon-based silicon fertilizer |
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| CN108911847A (en) * | 2018-07-27 | 2018-11-30 | 北京三聚绿能科技有限公司 | A kind of biomass carbon base organic composite fertilizer and preparation method thereof |
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Application publication date: 20190308 |