CN109879708A - A kind of GO/Mn modified corn core charcoal organic fertilizer and its preparation method and application - Google Patents
A kind of GO/Mn modified corn core charcoal organic fertilizer and its preparation method and application Download PDFInfo
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- CN109879708A CN109879708A CN201910294224.0A CN201910294224A CN109879708A CN 109879708 A CN109879708 A CN 109879708A CN 201910294224 A CN201910294224 A CN 201910294224A CN 109879708 A CN109879708 A CN 109879708A
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Abstract
The present invention provides a kind of GO/Mn modified corn core charcoal base organic fertilizers and its preparation method and application, belong to technical field of fertilizers.The organic fertilizer includes that following fermenting raw materials are prepared: 25~45 parts of the decomposed object of 20~30 parts of modified corn core charcoal, soya-bean cake slag, 10~15 parts of ferment residue, 10~15 parts of fishbone dust, 5~7 parts of biological humic acid, 3~5 parts of molasses, 2~4 parts of bacillus subtilis compost fermentation agent and 0.15~0.3 part of cellulase；Modified corn core charcoal is modified by graphene oxide and Mn；The decomposed object of soya-bean cake slag is that soya-bean cake slag is prepared in the rhodotorula mucilaginosa OP11 bacterial strain spontaneous fermentation that deposit number is CGMCC No.13540.The organic fertilizer, using the content of organics that can not only supplement soil, can also effectively save moisture and nutriment, increase soil fertility, be a kind of ideal organic fertilizer in corn planting, play the effect of weight-reducing fertilizer conservation.
Description
Technical field
The invention belongs to technical field of fertilizers, and in particular to a kind of GO/Mn modified corn core charcoal base organic fertilizer and its
Preparation method and application.
Background technique
Grand nutrition element nitrogen, phosphorus, potassium in soil generally can not meet the needs of plant growth, need to apply it is nitrogenous,
Phosphorus, potassium chemical fertilizer supply.Common chemical fertilizer includes nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, micro- fertilizer, compound fertilizer etc., has ingredient simple,
Nutrient content is high, and fertilizer efficiency is fast, the violent feature of fertile strength, but certain fertilizer have acid-base reaction, while being generally free of organic matter, and nothing changes
The effect of earth culture fertilizer.
For the nitrogenous fertilizer of conventional chemical fertilizers due to the influence of the factors such as volatilization, leaching loss and soil fixing, utilization rate is not high always,
Nitrogenous fertilizer this season utilization rate only has 30%~40%, and phosphate fertilizer this season utilization rate only has 10%~20% or so；Microelement utilization rate
It is lower, and apply this season and be difficult to play one's part to the full.Utilization rate of fertilizer is not high, not only influences increasing crop yield and increases matter, reduces warp
Ji benefit, it is also possible to cause a series of ecological environment problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of GO/Mn modified corn core charcoal base organic fertilizer and its systems
Preparation Method and application, graphene modified corn core charcoal base organic fertilizer can effectively reduce common chemical fertilizer use and
Fertilizer adequately saves, it is not easy to and it is lost, accomplishes to lose weight, the effect of fertilizer conservation.
The present invention provides a kind of GO/Mn modified corn core charcoal base organic fertilizers, including following fermenting raw materials to be prepared into
It arrives:
20~30 parts of GO/Mn modified corn core charcoal, 25~45 parts of the decomposed object of soya-bean cake slag, 10~15 parts of ferment residue,
10~15 parts of fishbone dust, 5~7 parts of biological humic acid, 3~5 parts of molasses, 2~4 parts of bacillus subtilis compost fermentation agent and fiber
0.15~0.3 part of plain enzyme；
The preparation method of the GO/Mn modified corn core charcoal, comprising the following steps:
1) corncob ground-slag and graphene oxide are mixed to get mixture；
2) mixture is obtained into charcoal raw material in 90~110 DEG C of 55~65min of charing；
3) the charcoal raw material and manganese chloride solution are mixed, in 500~600 DEG C of 3~5h of charing, obtains modified life
Object charcoal first product；
4) the modification biological charcoal first product is removed into ash content, obtains GO/Mn modified corn core charcoal；
The ferment residue is that rubbish from cooking is used to mix with brown sugar, water according to mass ratio for the ratio of 3:1:10, is added
Enter into expandable container, sealing is placed shady place spontaneous fermentation 3 months, obtains ferment residue after removing ferment；
The decomposed object of soya-bean cake slag is that soya-bean cake slag is prepared in rhodotorula mucilaginosa OP11 bacterial strain spontaneous fermentation；The glue is red
The deposit number of yeast OP11 bacterial strain is CGMCC No.13540.
Preferably, the mass ratio of the corncob ground-slag and graphene oxide is 18~22:1.
Preferably, the mass ratio of the quality of the corncob ground-slag and graphene oxide is 100~200:1；The biology
The volume ratio of charcoal raw material and manganese chloride solution is 1g:10ml~15ml；The concentration of the manganese chloride solution be 0.05~
0.075mol/L。
Preferably, the Rate activity of the cellulase is 100,000~200,000 U/g.
Preferably, including following fermenting raw materials are prepared: 22~28 parts of GO/Mn modified corn core charcoal, soya-bean cake slag
30~40 parts of decomposed object, 12~14 parts of ferment residue, 12~14 parts of fishbone dust, 5.5~6.5 parts of biological humic acid, molasses 3.5~
4.5 parts, 2.5~3.5 parts of bacillus subtilis compost fermentation agent and 0.2~0.25 part of cellulase.
The present invention provides the preparation methods of the organic fertilizer, comprising the following steps:
A. by GO/Mn modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust, ferment residue and 1.5~2 portions of withered grass
The agent of bacillus compost fermentation and 0.05~0.2 part of cellulase mixing, adjust water content 60%~70%, 25~40 DEG C are built heap
Ferment 12~18d, and every 2~4d turning 1 time obtains tunning；
When the tunning being b. down to 40 DEG C or less, with biological humic acid, molasses and remaining bacillus subtilis
Compost fermentation agent and the mixing of remaining cellulase adjust water content to 40%~50%, are built heap fermentation again, had
Machine fertilizer.
Preferably, the time for building heap fermentation again is different and variant according to season:
In summer and autumn, ferment 5~8d, every 2d turning 1 time, and fermentation temperature is 25~40 DEG C；
At spring and winter, ferment 10~14d, every 3d turning 1 time, and fermentation temperature is 20~30 DEG C.
The present invention provides the application of the organic fertilizer or the organic fertilizer of the method preparation in crop planting.
Preferably, the crops include corn.
Preferably, the organic fertilizer is administered simultaneously as base manure and chemical fertilizer, the mass ratio of the N element of the organic fertilizer and chemical fertilizer
For 1:3；The sowing amount of the organic fertilizer is 17.5~25kg/ mus.
The present invention provides a kind of GO/Mn modified corn core charcoal base organic fertilizers, have the beneficial effect that:
1), the charcoal base organic fertilizer uses modern biotechnology fermentation engineering, and generation process flow is simple, easily grasps
Make, with short production cycle, low in cost, added value of product is high, and the wastes such as corncob, soya-bean cake slag, ferment residue are utilized, and reduces
Its pollution to surrounding enviroment, turns waste into wealth；
2), the charcoal base organic fertilizer, organic matter and content of humic acid are higher, loose porous, and ventilating permeable is good, than
Surface area is big, and absorption and sequestering power are strong；After applying the corn special bio charcoal base organic fertilizer, it can drop and increase having in soil
Machine matter improves the structure and permeability of soil, increases the liquid manure storage capacity of soil, improves the rhizospheric environment of corn, improve soil
Enzymatic activity promotes the procreation of crop rhizosphere beneficial microorganism, and root growth is healthy and strong, and the ability of corn disease and insect resistance significantly increases；
3), the nutrient in the charcoal base organic fertilizer energy activating soil, promotes the release of soil nutrient elements；Charcoal
It is added in organic fertilizer, the nitrogen being capable of fixing in organic matter, makes the organic fertilizer slow release nutrient supply cereal constant absorption
It utilizes；
In short, the charcoal base organic fertilizer has achieved the effect that increase soil fertility, increase production, it is the preferred fertilizer of corn organic farming
Source；The organic materials that the present invention needs be organic waste, easily obtain and it is low in cost, technique is advanced, be produced on a large scale.
Biomaterial preservation information
Rhodotorula mucilaginosa (Rhodotorula mucilaginosa), depositary institution: Chinese microorganism strain preservation management committee
Member's meeting common micro-organisms center (CGMCC), address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3, Chinese Academy of Sciences microorganism
Research institute, preservation date: on January 6th, 2017, deposit number are CGMCC No.13540, strain number OP11.
Specific embodiment
The present invention provides a kind of GO/Mn modified corn core charcoal base organic fertilizers, including following fermenting raw materials to be prepared into
It arrives:
20~30 parts of GO/Mn modified corn core charcoal, 25~45 parts of the decomposed object of soya-bean cake slag, 10~15 parts of ferment residue,
10~15 parts of fishbone dust, 5~7 parts of biological humic acid, 3~5 parts of molasses, 2~4 parts of bacillus subtilis compost fermentation agent and fiber
0.15~0.3 part of plain enzyme.
The raw material of organic fertilizer provided by the invention includes GO/Mn modified corn core charcoal.By weight, the GO/
Mn modified corn core charcoal is preferably 22~28 parts, and more preferably 25 parts.The GO/MnGO/Mn modified corn core charcoal
Preparation method, comprising the following steps:
1) corncob ground-slag and graphene oxide are mixed, obtains mixture；
2) mixture is obtained into charcoal raw material in 90~110 DEG C of 55~65min of charing；
3) the charcoal raw material and manganese chloride solution are mixed, in 500~600 DEG C of 3~5h of charing, obtains modified life
Object charcoal first product；
4) the modification biological charcoal first product is removed into ash content, obtains GO/Mn modified corn core charcoal.
In the present invention, corncob is preferably removed surface attachments by the corncob ground-slag, crushes and sieving obtains.Institute
The method for stating removal surface attachments is preferably washed with water corncob 3~4 times.It is dried after washing.The temperature of the drying is preferably
70~80 DEG C, more preferably 75 DEG C.The aperture of sieving sieve is preferably 80~100 mesh, more preferably 90 mesh.The jade
The mass ratio of rice wheat bran powder and graphene oxide is preferably 100~200:1, more preferably 150:1.The work of the graphene oxide
With being modified to biomass carbon, enhance its specific surface area, porosity and oxygen-containing functional group, make its absorption and holding capabilities into
Enhancing.
In the present invention, the mixture is preferably in 100 DEG C of charing 60min.The effect of the charing is biomass former material
The preheating treatment procedure of material is combined together graphene oxide and biomass carbon.
In the present invention, the quality of the charcoal raw material and the volume ratio of manganese chloride solution be preferably 1g:3ml~
5ml；The concentration of the manganese chloride solution is 0.05~0.075mol/L.The temperature of the charing is preferably 550 DEG C, the charing
Time be preferably 4h.The effect of manganese chloride is modified to charcoal, is optimized biological carbon materials structure, is enhanced its specific surface
And gap, make its absorption and holding capabilities into enhancing.
In the present invention, the method for modification biological charcoal first product removal ash content is preferably rinsed with hydrochloric acid solution.Institute
The concentration for stating hydrochloric acid solution is preferably 1mol/L.The time of the flushing is preferably 12h.It, preferably will be modified beautiful after removing ash content
Rice core charcoal is through filtering, and after being washed to neutrality with distillation, in 70~80 DEG C of drying overnight, grinds, sieving obtains GO/Mn and changes
Property corncob charcoal.
The porosity for the GO/Mn modified biomass charcoal being prepared be 52.9%~53.7%, specific surface area be 9.78~
11.5m2/ g, average pore size are 19.6~25.7nm.And the porosity of the unmodified biomass charcoal directly prepared with corncob is
47.1%~49.2%, specific surface area is 5.22~5.63m2/ g, average pore size are 8.24~9.96nm.Show that GO/Mn is modified
Biomass carbon has bigger surface area and richer pore structure, is more advantageous to and consolidates to nutrient required in soil
It holds.
The raw material of organic matter provided by the invention includes the decomposed object of soya-bean cake slag.By weight, the decomposed object of soya-bean cake slag
Preferably 30~40 parts, more preferably 35 parts.The decomposed object of soya-bean cake slag is that soya-bean cake slag is natural in rhodotorula mucilaginosa OP11 bacterial strain
Fermentation is prepared；The deposit number of the rhodotorula mucilaginosa OP11 bacterial strain is CGMCC No.13540.Rhodotorula mucilaginosa OP11 bacterial strain
Bacterium solution concentration be 5 × 106~1 × 108A spore/mL, inoculum concentration are 1%~1.5%.The time of the spontaneous fermentation is excellent
It is selected as 12~16d, more preferably 13~15d, most preferably 14d.After spontaneous fermentation, obtained tunning is dried in the air naturally
Room temperature is down in solarization, dry, is placed in pulverizer and is crushed, and 20 meshes are crossed.Soya-bean cake is that most-often used one kind is long-acting, and nutrient is more complete
Face, balanced organic fertilizer, wherein sufficiently being sent out containing nitrogen 6.0%~7.5%, phosphorus 1.25%~1.75%, potassium 1%~2.5%
Make base manure or top dressing after ferment；The decomposed object of soya-bean cake slag is more advantageous to compost after rhodotorula mucilaginosa OP11 bacterial strain spontaneous fermentation
Microorganism utilizes its degradation in fermentation, to accelerate composting process, improves compost maturity.
The raw material of organic matter provided by the invention includes ferment residue.By weight, the ferment residue is preferably 12
~14 parts, more preferably 13 parts.The ferment residue use rubbish from cooking with brown sugar, water according to mass ratio for 3:1:10
Ratio mixing, is added in expandable container, and sealing is placed shady place spontaneous fermentation 3 months, and residue is after removing ferment
For ferment residue.Ferment residue can be improved the activity of microorganism in composting process, accelerate composting process, improve compost maturity
Degree, can improve soil property, increase soil fertility after being manured into soil.
The raw material of organic matter provided by the invention includes fishbone dust.In parts by weight, the fishbone dust is preferably 12~14
Part, more preferably 13 parts.The effect of the fishbone dust is to be capable of providing the necessary element of various crop, and crops can be promoted raw
It is long, and there is improvement soil effect, making glutinous weight, the soil is porous.The present invention is not particularly limited the source of the fishbone dust, adopts
With the source of fishbone dust known in the art.In embodiments of the present invention, the fishbone dust is purchased from Shandong Qi Long group
Co., Ltd.
The raw material of organic matter provided by the invention includes biological humic acid.By weight, the biological humic acid is preferred
It is 5.5~6.5 parts, more preferably 6 parts.The effect of the biological humic acid is that contained nutriment is relatively abundanter, and fertilizer efficiency is long
And stablize, while may advantageously facilitate the formation of soil solid particless structure, and be used in mixed way and can make up with chemical fertilizer and supported contained by chemical fertilizer
Point single, long-term single use chemical fertilizer makes soil hardening, water conservation, fertilizer conservation degraded performance defect.The present invention is rotten to the biology
The source for growing acid is not particularly limited, using the source of biological humic acid known in the art.In the embodiment of the present invention
In, the biological humic acid is purchased from Shandong Creation Hhumic Acid Science and Technology Co., Ltd.
The raw material of organic matter provided by the invention includes molasses.By weight, the molasses are preferably 3.5~4.5 parts,
More preferably 4 parts.The effect of the molasses is the carbon source that fermentation process supplements that microorganism is absorbed and utilized.The present invention is to the molasses
Source be not particularly limited, using the source of molasses known in the art.In embodiments of the present invention, the molasses
Purchased from Jinan Tian Shuo Chemical Co., Ltd..
The raw material of organic matter provided by the invention includes bacillus subtilis compost fermentation agent.By weight, described withered
Careless bacillus compost fermentation agent is preferably 2.5~3.5 parts, and more preferably 3.0 parts.The bacillus subtilis compost fermentation agent
Fermentative microorganism is provided for subsequent fermentations.The present invention is not special to the source of the bacillus subtilis compost fermentation agent
Limitation, using the source of bacillus subtilis compost fermentation agent known in the art.The bacillus subtilis compost
Leavening is purchased from by Guangzhou infinitesimal Biotechnology Co., Ltd.
The raw material of organic matter provided by the invention includes cellulase.By weight, the cellulase 0.2~0.25
Part, more preferably 0.23 part.The Rate activity of the cellulase is preferably 100,000~200,000 U/g, more preferably 150,000 U/g.Institute
The effect for stating cellulase is that enzymolysis is played in subsequent fermentations.The present invention does not have the source of the cellulase
It is specifically limited, using the source of cellulase known in the art.In embodiments of the present invention, the cellulase purchase
From jade of the He family Biotechnology Co., Ltd.
The present invention provides the preparation methods of the organic fertilizer, comprising the following steps:
A. by GO/Mn modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust, ferment residue and 1.5~2 portions of withered grass
The agent of bacillus compost fermentation and 0.05~0.2 part of cellulase mixing, adjust water content 60%~70%, 25~40 DEG C are built heap
Ferment 12~18d, and every 2~4d turning 1 time obtains tunning；
When the tunning being b. down to 40 DEG C or less, with biological humic acid, molasses and remaining bacillus subtilis
Compost fermentation agent and the mixing of remaining cellulase adjust water content to 40%~50%, are built heap fermentation again, had
Machine fertilizer.
The present invention is by GO/Mn modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust, ferment residue and 1.5~2 parts
The agent of bacillus subtilis compost fermentation and 0.05~0.2 part of cellulase mixing, adjusting water content 60%~70%, 25~40 DEG C
Heap 12~18d of fermentation is built, every 2~4d turning 1 time obtains tunning.
In the present invention, conciliation water content is preferably 65% before building heap fermentation.The temperature for building heap fermentation is preferably 30
~35 DEG C.The time for building heap fermentation is preferably 15d.It is preferred that primary every 3d turning.The effect for building heap fermentation is benefit
Material heap temperature is improved with the heat that growth of aerobic microorganisms in heap body discharges, high temperature can kill miscellaneous bacteria and worm's ovum in material, can
Effectively mitigate disease pest to cause harm, while decompose organic materials, ultimately forms decomposed organic fertilizer.
When the tunning is down to 40 DEG C or less, with biological humic acid, molasses and remaining bacillus subtilis heap
Fertile leavening and the mixing of remaining cellulase adjust water content to 40%~50%, are built heap fermentation again, obtained organic
Fertilizer.
In the present invention, the time for building heap fermentation again is preferably different and variant according to season:
In summer and autumn, ferment 5~8d, every 2d turning 1 time, and fermentation temperature is 25~40 DEG C；
At spring and winter, ferment 10~14d, every 3d turning 1 time, and fermentation temperature is 20~30 DEG C.
In the present invention, it is described to have that the mixture that water content is 20%~25% is obtained after building heap fermentation again
Machine fertilizer, it both can also be used as the production that granulating raw material carries out granular organic fertilizer directly as organic fertilizer application.It is described to make
The temperature of grain is preferably 75~90 DEG C, and more preferably 80 DEG C.The organic fertilizer is carried out the granulation to be conducive to protect to greatest extent
Hold the fat power of machine and beneficial microbe activity.
The present invention provides the application of the organic fertilizer or the organic fertilizer of the method preparation in crop planting.
In the present invention, the crops preferably include corn.The organic fertilizer is applied preferably as base manure with chemical fertilizer simultaneously
With the mass ratio of the organic fertilizer and chemical fertilizer is preferably 1:3；The sowing amount of the organic fertilizer is preferably 17.5~25kg/ mus, more
Preferably 20~22.5kg/ mus.
Below with reference to embodiment to a kind of GO/Mn modified corn core charcoal base organic fertilizer provided by the invention and its preparation
Methods and applications are described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
A kind of preparation method of GO/Mn modified corn core charcoal base organic fertilizer, comprising the following steps:
Weigh the raw material of following weight: GO/Mn modified corn core charcoal 20kg, the decomposed object 40kg of soya-bean cake slag, fishbone dust
18kg, ferment residue 10kg, biological humic acid 7kg, molasses 5kg, bacillus subtilis compost fermentation agent 3kg and cellulase
0.35kg。
1) soya-bean cake slag is decomposed: it is decomposed that rhodotorula mucilaginosa OP11 progress aerobic fermentation is inoculated with into soya-bean cake slag.Adjust soya-bean cake pulp water
Divide to 60%, by bacterial concentration about 2 × 108The rhodotorula mucilaginosa OP11 spore suspension of a spore/mL, according to 1.5% inoculum concentration
Soya-bean cake slag is accessed, stirring is sufficiently mixed, carries out spontaneous fermentation, fermentation time 12d.Soya-bean cake slag natural drying is down to room temperature,
It is dry, it is placed in pulverizer and crushes, cross 20 meshes, obtain the decomposed object of soya-bean cake slag.
2) the GO/Mn modified corn core biomass charcoal the preparation method comprises the following steps: corncob through wash 4 removal surface adhesions
After object, 2d is air-dried, and be dried overnight in 70 DEG C of baking ovens, crushed, sieve with 100 mesh sieve son, is loaded in brown bottle, for use.
Instrument: temperature programmed control Muffle furnace.Method: limit oxygen temperature control charring.Sieve with 100 mesh sieve the corncob residue powder and oxygen of son
Graphite alkene 100:1 in mass ratio mixing end obtains mixture in crucible；After heating 0.5h at 90 DEG C, according to charcoal
The quality of raw material and the volume ratio of manganese chloride solution are that 1g~3ml:1g~5ml addition 0.05~0.075mol/L manganese chloride is molten
Liquid stirs evenly.Obtained Heated Products are warming up to 500 DEG C of charing 3h again, obtain graphene modification biological charcoal first product, are mixed
Carbonizing production obtained handles 12h with the HCl solution of 200ml 1mol/L, removes ash content；Through filtering, neutrality is washed to distillation
Afterwards, in 70 DEG C of drying overnight, grinding sieves with 100 mesh sieve, obtains GO/Mn modified corn core charcoal.
The porosity of GO/Mn/ biomass carbon is 53.4%, specific surface area 10.9m2/ g, average pore size 22.8nm.And
The porosity of the unmodified biomass charcoal directly prepared with corncob is 48.3%, specific surface area 5.46m2/ g, average pore size
For 9.25nm.Show that GO/Mn/ biomass carbon has bigger surface area and richer pore structure, is more advantageous to soil
In required nutrient fixing.
3) one time fermentation: score meter is weighed modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust and ferment by weight
After plain residue mixing, upper bacillus subtilis compost fermentation agent 1.5kg and cellulase 0.2kg is uniformly sprayed, is sufficiently mixed and stirs
It mixes, obtains mixed once material, the water content for adding water to adjust mixed once material builds heap fermentation 15d 60%.
4) secondary fermentation: when tunning is down to 40 DEG C or less after the completion of one time fermentation, adding biological humic acid, molasses,
The bacillus subtilis compost fermentation agent of surplus and the cellulase of surplus are sprayed again, obtain secondary mixture after mixing evenly
Secondary mixture material is built heap and carries out secondary fermentation, secondary fermentation by material, the water content for adding water to adjust secondary mixture material 40%
Time is summer 6d.
5) it is that ferment residue fires charcoal and soya-bean cake that the mixture that water content is 20% is obtained after secondary fermentation
Residue organic fertilizer, it both can also be used as the production that granulating raw material carries out granular organic fertilizer directly as organic fertilizer application.
Comparative example 1
Organic fertilizer is prepared according to the method for embodiment 1, and difference raw material lacks the decomposed object of soya-bean cake slag.
Embodiment 2
A kind of preparation method of GO/Mn modified corn core charcoal base organic fertilizer, comprising the following steps:
Weigh the raw material of following parts by weight: the decomposed object 25kg of GO/Mn/ biomass carbon 25kg, soya-bean cake slag, fishbone dust 15kg,
Ferment residue 15kg, biological humic acid 5kg, molasses 3kg, bacillus subtilis compost fermentation agent 3kg and cellulase 0.15kg.
1) soya-bean cake slag is decomposed: it is decomposed to carry out aerobic fermentation to soya-bean cake slag inoculation rhodotorula mucilaginosa OP11.Adjust soya-bean cake pulp water point
To 70%, by bacterial concentration about 1 × 107A spore/mL rhodotorula mucilaginosa OP11 spore suspension accesses beans according to 1% inoculum concentration
Cake slag is sufficiently mixed stirring, carries out spontaneous fermentation, fermentation time 15d.The decomposed object natural drying of soya-bean cake slag is down to room temperature,
It is dry, it is placed in pulverizer and crushes, cross 20 meshes, obtain the decomposed object of soya-bean cake slag.
2) the GO/Mn/ biomass carbon the preparation method comprises the following steps: corncob after washing 4 removal surface adhesion objects, air-dry
2d, and be dried overnight in 780 DEG C of baking ovens, it is crushed, crosses 80 mesh sieve, be loaded in brown bottle, for use.
Instrument: temperature programmed control Muffle furnace.Method: limit oxygen temperature control charring.Cross the maize cob meal and oxidation stone of 80 mesh sieve
Black alkene in crucible, obtains mixture according to mass ratio 150:1 mixing end；After heating 2h at 110 DEG C, according to charcoal former material
The ratio that the quality of material and the volume ratio of manganese chloride solution are 1g:5ml is added 0.05mol/L manganese chloride solution and stirs evenly, then
Obtained Heated Products are warming up to 600 DEG C of charing 5h, modification biological charcoal first product are obtained, with the HCl solution of 200ml 1mol/L
12h is handled, ash content is removed；Through filtering, after being washed to neutrality with distillation, in 80 DEG C of drying overnight, grind, sieving obtains GO/
Mn/ charcoal.
The porosity of GO/Mn/ biomass carbon is 53.7%, specific surface area 11.5m2/ g, average pore size 25.7nm.And
The porosity of the unmodified biomass charcoal directly prepared with corncob is 49.2%, specific surface area 5.63m2/ g, average pore size
For 9.96nm.Show that GO/Mn modified biomass charcoal has bigger surface area and richer pore structure, is more advantageous to soil
The fixing of required nutrient in earth.
3) one time fermentation: GO/Mn modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust, ferment residue are mixed
Afterwards, upper bacillus subtilis compost fermentation agent 2kg and cellulase 0.1kg is uniformly sprayed, stirring is sufficiently mixed, obtains mixed once
Material, the water content for adding water to adjust mixed once material build heap fermentation 12d in 60%-70%.
4) secondary fermentation: when tunning is down to 40 DEG C or less after the completion of one time fermentation, to primary mixture material heap body
In be proportionally added into biological humic acid, molasses, spray the agent of 1kg bacillus subtilis compost fermentation and cellulase again
0.05kg obtains secondary mixture material after mixing evenly, adds the water content of water adjusting secondary mixture material 50%, by secondary mixing
Material builds heap and carries out secondary fermentation, and the secondary fermentation time is winter 14d.
5) it is that ferment residue fires charcoal and soya-bean cake that the mixture that water content is 25% is obtained after secondary fermentation
Residue organic fertilizer, it both can also be used as the production that granulating raw material carries out granular organic fertilizer directly as organic fertilizer application.
Comparative example 2
Organic fertilizer is prepared according to the method for embodiment 2, difference raw material lacks the decomposed object of soya-bean cake slag.
Embodiment 3
A kind of preparation method of GO/Mn modified corn core charcoal base organic fertilizer, comprising the following steps:
Weigh the raw material of following parts by weight: GO/Mn modified corn core charcoal 30kg, the decomposed object 30kg of soya-bean cake slag, fish-bone
Powder 10kg, ferment residue 13kg, biological humic acid 6kg, molasses 4kg, bacillus subtilis compost fermentation agent 3kg and cellulase
0.2 part.
1) soya-bean cake is decomposed: it is decomposed that rhodotorula mucilaginosa OP11 progress aerobic fermentation is inoculated with into soya-bean cake slag.Adjust soya-bean cake pulp water point
To 65%, by bacterial concentration about 5 × 106A spore/mL rhodotorula mucilaginosa OP11 spore suspension is accessed according to 2.5% inoculum concentration
The dregs of a decoction are sufficiently mixed stirring, carry out spontaneous fermentation, fermentation time 16d.The decomposed object natural drying of the dregs of a decoction is down to room temperature, is done
It is dry, it is placed in pulverizer and crushes, cross 20 meshes, obtain the decomposed object of soya-bean cake slag.
2) the corncob biomass carbon the preparation method comprises the following steps: corncob after washing 4 removal surface adhesion objects, air-dry
2d, and be dried overnight in 75 DEG C of baking ovens, it is crushed, crosses 90 mesh sieve, be loaded in brown bottle, for use.
Instrument: temperature programmed control Muffle furnace.Method: limit oxygen temperature control charring.Cross corncob ground-slag and the oxidation of 90 mesh sieve
Graphene 200:1 in mass ratio mixing end obtains mixture in crucible；1.5h is heated at 100 DEG C, according to charcoal former material
The ratio that the quality of material and the volume ratio of manganese chloride solution are 1g~3ml is added 0.075mol/L manganese chloride solution and stirs evenly.
Obtained Heated Products are warming up to 550 DEG C of charing 4h again, obtain modification biological charcoal first product, the HCl with 200ml 1mol/L is molten
Liquid handles 12h, removes ash content；Through filtering, after being washed to neutrality with distillation, in 75 DEG C of drying overnight, grinding is crossed 90 meshes, is obtained
To GO/Mn modified corn core charcoal.
The porosity of GO/Mn modified biomass charcoal is 52.9%, specific surface area 9.78m2/ g, average pore size are
19.6nm.And the porosity of the unmodified biomass charcoal directly prepared with corncob is 47.1%, specific surface area 5.22m2/ g,
Average pore size is 8.24nm.Show that GO/Mn/ biomass carbon has bigger surface area and richer pore structure, more favorably
The fixing of required nutrient in soil.
3) it one time fermentation: after corncob charcoal, the decomposed object of soya-bean cake slag and fishbone dust, ferment residue are mixed, uniformly sprays
It is sprinkled with bacillus subtilis compost fermentation agent 1.5kg and cellulase 0.1kg, stirring is sufficiently mixed, obtains mixed once material, add
Water adjusts the water content of mixed once material 65%, builds heap fermentation 18d.
4) secondary fermentation: when tunning is down to 40 DEG C or less after the completion of one time fermentation, to primary mixture material heap body
In be proportionally added into biological humic acid, molasses, again spray surplus the agent of bacillus subtilis compost fermentation and surplus fiber
Plain enzyme obtains secondary mixture material after mixing evenly, adds the water content of water adjusting secondary mixture material 45%, by secondary mixture
Material builds heap and carries out secondary fermentation, and the secondary fermentation time is summer 5d.
5) it is that GO/Mn modified corn core charcoal is organic that the mixture that water content is 23% is obtained after secondary fermentation
Fertilizer, it both can also be used as the production that granulating raw material carries out granular organic fertilizer directly as organic fertilizer application.
Comparative example 3
Organic fertilizer is prepared according to the method for embodiment 1, and difference raw material lacks the decomposed object of soya-bean cake slag.
Embodiment 4
Application value in order to further illustrate the present invention, the present inventor have chosen charcoal organic fertilizer and carry out field application
It tests, is handled below experimental design:
(1) conventional fertilizer application mode (control): mu applies the slow control fertilizer of 60kg；N,P2O5And K2O amount of application is respectively 12.0,6.0 and
6.0kg/ mus, the total sowing amount of nutrient is 24.0kg/ mus.
(2) 1 charcoal base organic fertilizer (lacking soya-bean cake slag) of comparative example is handled: 75%+25% chemical fertilizer of chemical fertilizer N (slow control fertilizer) nutrient
1 charcoal base organic fertilizer (lacking soya-bean cake slag compared with the raw material of embodiment 1) of N amount comparative example；
(3) 2 charcoal base organic fertilizer (lacking charcoal) of comparative example is handled: 75%+25% chemical fertilizer of chemical fertilizer N (slow control fertilizer) nutrient
2 charcoal base organic fertilizer (lacking charcoal compared with the raw material of embodiment 2) of N amount comparative example；
(4) 3 charcoal base organic fertilizer (lacking soya-bean cake slag and charcoal) of comparative example is handled: 75% chemical fertilizer N (slow control fertilizer) nutrient+
25% chemical fertilizer N amount comparative example, 2 charcoal base organic fertilizer (lacking soya-bean cake slag and charcoal compared with the raw material of embodiment 3)；
(5) 4 charcoal base organic fertilizer of comparative example (unmodified charcoal substitutes modified biomass charcoal) processing: 75% chemical fertilizer N is (slow
Control fertilizer) 1 charcoal base organic fertilizer of+25% chemical fertilizer N amount embodiment of nutrient (unmodified charcoal substitution modified biomass charcoal；Unmodified life
The preparation method of object charcoal is identical as above-mentioned modification biological charcoal, and difference place is not add manganese chloride solution)；
(6) 5 charcoal base organic fertilizer of comparative example (unmodified charcoal substitutes modified biomass charcoal) processing: 75% chemical fertilizer N is (slow
Control fertilizer) 2 charcoal base organic fertilizer of+25% chemical fertilizer N amount embodiment of nutrient (unmodified charcoal substitution modified biomass charcoal；Unmodified life
The preparation method of object charcoal is identical as above-mentioned modification biological charcoal, and difference place is not add manganese chloride solution)；
(7) 6 charcoal base organic fertilizer of comparative example (unmodified charcoal substitutes modified biomass charcoal) processing: 75% chemical fertilizer N is (slow
Control fertilizer) 3 charcoal base organic fertilizer of+25% chemical fertilizer N amount embodiment of nutrient (unmodified charcoal substitution modified biomass charcoal；Unmodified life
The preparation method of object charcoal is identical as above-mentioned modification biological charcoal, and difference place is not add manganese chloride solution)；
(8) 1 charcoal base organic fertilizer of embodiment is handled: 75% 1 charcoal of chemical fertilizer N (slow control fertilizer)+25% chemical fertilizer N amount embodiment of nutrient
Base organic fertilizer；
(9) 2 charcoal base organic fertilizer of embodiment is handled: 75% 2 charcoal of chemical fertilizer N (slow control fertilizer)+25% chemical fertilizer N amount embodiment of nutrient
Base organic fertilizer；
(10) 3 charcoal base organic fertilizer of embodiment is handled: 75%+25% chemical fertilizer N amount embodiment 3 of chemical fertilizer N (slow control fertilizer) nutrient
Charcoal base organic fertilizer.
10 processing, 3 repetitions of each processing, plot area 25cm2, arranged using random district's groups.There is wide 1m in minizone
Protection row, the other factors such as field management are identical.
Influence of 1 different fertilization of table to corn yield and soil physico-chemical property
As shown in Table 1, relative to conventional fertilizer application, 25% fertilizer nitrogen is substituted using fermentation organic fertilizer of the invention, it can be obvious
Improve crop yield, corn yield increasing 14.6%~17.7%, corn stover volume increase 17.4%~23.9%, remarkable in economical benefits；
And the organic fertilizer for lacking charcoal and the preparation of soya-bean cake slag is only 3.35%~6.15% to the effect of increasing production of corn, use is unmodified
The effect of increasing production that charcoal substitutes the organic fertilizer of modification biological charcoal preparation is only 9.33%~9.72%, can not show a candle to the present invention program
Acquired per mu yield.
Relative to conventional fertilizer application, 25% fertilizer nitrogen is substituted using fermentation organic fertilizer of the invention, it is raw that corn can be effectively improved
Long root system environment, improves the enzymatic activity of soil, promotes microorganism growth, make soil organic matter content improve 5.70%~
8.23%, urase improves 15.8%~19.1%, and catalase improves 9.55%~13.7%, microbial biomass C
24.5%~32.7% is improved, Soil microbial biomass nitrogen improves 20.1%~26.7%.
Relative to the substitution modification biological charcoal processing of unmodified charcoal, changed using fermentation organic fertilizer substitution 25% of the invention
Fertile nitrogen can be effectively improved corn growth root system environment, improve the enzymatic activity of soil, promote microorganism growth, make the soil organism
Content improves 1.21%~3.70%, and urase improves 4.35%~11.3%, and catalase improves 3.40%~
8.03%, microbial biomass C improves 2.08%~15.5%, and Soil microbial biomass nitrogen improves 10.7%~14.4%.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of GO/Mn modified corn core charcoal base organic fertilizer, which is characterized in that be prepared including following fermenting raw materials:
20~30 parts of GO/Mn modified corn core charcoal, 25~45 parts of the decomposed object of soya-bean cake slag, 10~15 parts of ferment residue, fish-bone
10~15 parts of powder, 5~7 parts of biological humic acid, 3~5 parts of molasses, 2~4 parts of bacillus subtilis compost fermentation agent and cellulase
0.15~0.3 part；
The preparation method of the GO/Mn modified corn core charcoal, comprising the following steps:
1) corncob ground-slag and graphene oxide are mixed, obtains mixture；
2) mixture is obtained into charcoal raw material in 90~110 DEG C of 55~65min of charing；
3) the charcoal raw material and manganese chloride solution are mixed, in 500~600 DEG C of 3~5h of charing, obtains modification biological charcoal
First product；
4) the modification biological charcoal first product is removed into ash content, obtains GO/Mn modified corn core charcoal；
The ferment residue is that rubbish from cooking and brown sugar, water is used to mix according to mass ratio for the ratio of 3:1:10, and sealing is placed
Shady place spontaneous fermentation 3 months obtains ferment residue after removing ferment；
The decomposed object of soya-bean cake slag is that soya-bean cake slag is prepared in rhodotorula mucilaginosa OP11 bacterial strain spontaneous fermentation；The rhodotorula mucilaginosa
The deposit number of OP11 bacterial strain is CGMCC No.13540.
2. organic fertilizer according to claim 1, which is characterized in that the mass ratio of the corncob ground-slag and graphene oxide is
18~22:1.
3. organic fertilizer according to claim 1, which is characterized in that the quality of the corncob ground-slag and the matter of graphene oxide
Amount is than being 100~200:1；The volume ratio of the charcoal raw material and manganese chloride solution is 1g:10ml~15ml；The chlorination
The concentration of manganese solution is 0.05~0.075mol/L.
4. organic fertilizer according to claim 1, which is characterized in that the Rate activity of the cellulase is 100,000~200,000 U/g.
5. organic fertilizer according to claim 1, which is characterized in that be prepared including following fermenting raw materials: GO/Mn is modified beautiful
22~28 parts of rice core charcoal, 30~40 parts of the decomposed object of soya-bean cake slag, 12~14 parts of ferment residue, 12~14 parts of fishbone dust, biology
5.5~6.5 parts of humic acid, 3.5~4.5 parts of molasses, 2.5~3.5 parts of bacillus subtilis compost fermentation agent and cellulase 0.2
~0.25 part.
6. the preparation method of organic fertilizer described in Claims 1 to 5 any one, which comprises the following steps:
A. by GO/Mn modified corn core charcoal, the decomposed object of soya-bean cake slag, fishbone dust, ferment residue and 1.5~2 parts of withered grass gemma
The agent of bacillus compost fermentation and 0.05~0.2 part of cellulase mixing, adjust water content 60%~70%, and 25~40 DEG C are built heap fermentation
12~18d, every 2~4d turning 1 time, obtains tunning；
When the tunning being b. down to 40 DEG C or less, with biological humic acid, molasses and remaining bacillus subtilis compost
Leavening and the mixing of remaining cellulase adjust water content to 40%~50%, are built heap fermentation again, obtained organic
Fertilizer.
7. preparation method according to claim 6, which is characterized in that it is described build again heap fermentation time according to season not
It is same and variant:
In summer and autumn, ferment 5~8d, every 2d turning 1 time, and fermentation temperature is 25~40 DEG C；
At spring and winter, ferment 10~14d, every 3d turning 1 time, and fermentation temperature is 20~30 DEG C.
8. organic fertilizer described in Claims 1 to 5 any one or the organic fertilizer of claim 6 or 7 the methods preparation are in farming
Application in species plant.
9. application according to claim 8, which is characterized in that the crops include corn.
10. application according to claim 8 or claim 9, which is characterized in that the organic fertilizer is applied as base manure with chemical fertilizer simultaneously
With it is 1:3 that the N element of the organic fertilizer and chemical fertilizer, which applies mass ratio,；The sowing amount of the organic fertilizer is 17.5~25kg/ mus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910294224.0A CN109879708A (en) | 2019-04-12 | 2019-04-12 | A kind of GO/Mn modified corn core charcoal organic fertilizer and its preparation method and application |
| ZA2020/01525A ZA202001525B (en) | 2019-04-12 | 2020-03-11 | Go/mn modified corn cob biochar organic fertilizer and preparation method and application thereof |
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| CN201910294224.0A CN109879708A (en) | 2019-04-12 | 2019-04-12 | A kind of GO/Mn modified corn core charcoal organic fertilizer and its preparation method and application |
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| ZA (1) | ZA202001525B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330979A (en) * | 2019-07-10 | 2019-10-15 | 青岛农业大学 | A kind of preparation method of modification biological charcoal, modification biological charcoal, composite material and soil-repairing agent |
| CN112661582A (en) * | 2021-01-22 | 2021-04-16 | 詹红婴 | Biological organic fertilizer and preparation method thereof |
| CN114804970A (en) * | 2022-05-17 | 2022-07-29 | 黑龙江丰炭农业科技有限公司 | Formula of ecological carbon-based organic fertilizer |
| JP2022541007A (en) * | 2020-03-05 | 2022-09-21 | 深▲せん▼市▲レイ▼神智能系統有限公司 | Prism and multibeam laser radar |
| CN116023182A (en) * | 2022-11-28 | 2023-04-28 | 江苏龙环环境科技有限公司 | Method for improving composting degree of goose manure by comprehensively utilizing environment-friendly ferment and rice straw biochar |
-
2019
- 2019-04-12 CN CN201910294224.0A patent/CN109879708A/en not_active Withdrawn
-
2020
- 2020-03-11 ZA ZA2020/01525A patent/ZA202001525B/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330979A (en) * | 2019-07-10 | 2019-10-15 | 青岛农业大学 | A kind of preparation method of modification biological charcoal, modification biological charcoal, composite material and soil-repairing agent |
| JP2022541007A (en) * | 2020-03-05 | 2022-09-21 | 深▲せん▼市▲レイ▼神智能系統有限公司 | Prism and multibeam laser radar |
| JP7356195B2 (en) | 2020-03-05 | 2023-10-04 | 深▲せん▼市▲レイ▼神智能系統有限公司 | Prism and multibeam laser radar |
| CN112661582A (en) * | 2021-01-22 | 2021-04-16 | 詹红婴 | Biological organic fertilizer and preparation method thereof |
| CN114804970A (en) * | 2022-05-17 | 2022-07-29 | 黑龙江丰炭农业科技有限公司 | Formula of ecological carbon-based organic fertilizer |
| CN116023182A (en) * | 2022-11-28 | 2023-04-28 | 江苏龙环环境科技有限公司 | Method for improving composting degree of goose manure by comprehensively utilizing environment-friendly ferment and rice straw biochar |
| CN116023182B (en) * | 2022-11-28 | 2024-09-27 | 江苏龙环环境科技有限公司 | Method for improving composting degree of goose manure by comprehensively utilizing environment-friendly ferment and rice straw biochar |
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| ZA202001525B (en) | 2021-03-31 |
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