CN110229029A - A method of organic fertilizer is prepared using livestock and poultry feces - Google Patents
A method of organic fertilizer is prepared using livestock and poultry feces Download PDFInfo
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- CN110229029A CN110229029A CN201910635762.1A CN201910635762A CN110229029A CN 110229029 A CN110229029 A CN 110229029A CN 201910635762 A CN201910635762 A CN 201910635762A CN 110229029 A CN110229029 A CN 110229029A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The present invention relates to a kind of methods for preparing organic fertilizer using livestock and poultry feces, livestock and poultry feces and additive are uniformly mixed first, then leavening 0.2-0.5 ‰ is added, after mixing mixed material, add water to make mixed material moisture 60-70%, be then packaged into cuboid block for mixed material is hydraulic, it is packed again with plastic bag sealing, anaerobic fermentation is carried out at room temperature, after fermentation, obtains organic fertilizer.The method of the present invention is easy to operate, it is free from environmental pollution, do not limited by place, not only shorten fermentation time, but also reduce cost, solve the adverse effect that tradition builds heap fermentation, such that anniversary scale produces whenever and wherever possible.Organic fertilizer produced by the present invention not only can be used for the getting fat of crops, but also can be used for the culture medium of soilless cultivation, can be also used for culture medium of edible fungus.In addition, being also used as animal-breeding feed, such as earthworm, yellow meal worm, fly maggot, fishes and shrimps, pig, cattle and sheep due to its good Fermented and trophism.
Description
Technical field
The present invention relates to a kind of preparation method of organic fertilizer, especially a kind of side that organic fertilizer is prepared using livestock and poultry feces
Method belongs to fertilizer preparation technical field.
Background technique
As livestock and poultry breeding industry is intensive and the rapid development of scale, animal waste discharge amount are sharply increased, caused
Problem of environmental pollution become increasingly conspicuous.Currently, China's animal waste only has 30% or so to obtain preliminary treatment, 60% or more is not
It can utilize in time, it is most of arbitrarily to be thrown aside, huge waste is caused to organic manure resource;On the other hand, and due to livestock and poultry
The wastes such as waste contain various pathogenic microorganisms, parasitic ovum and poisonous and harmful substance, unprocessed and arbitrarily discharging will make
At serious environmental pollution, therefore there is an urgent need to improve this drawback, accelerate the processing to livestock and poultry feces.
Currently, such as landfill method, direct incineration method, composting method, being detested there are many kind the processing technique of livestock and poultry feces both at home and abroad
Oxygen pond method, aerobic tank method etc. can be divided into: physical method, chemical method and bioanalysis three classes according to its mechanism for handling waste.Physics
Method processing is primarily referred to as seasoning, as daylight natural drying, high temperature and rapid drying, drying explosion puffing drying and mechanical dehydration are dry
Deng.These physical methods respectively have its advantage and disadvantage, such as daylight natural seasoning, are directly dried using sunlight, simple and easy,
It is at low cost, small scale, but it is vulnerable to the influence of the factors such as weather, season and larger to organic matter damage, it is most important that it is dried
Cheng Zhonghui generates a large amount of foul gas, pollutes environment;Drying explosion puffing drying, which refers to, carries out artificial drying, Bu Huishou using drying machine
The influence of the factors such as weather, season, deodorization and sterilization effect are also preferable, but one-time investment is larger, and energy consumption is also larger, generate
Foul smell formed secondary pollution, fertilizer efficiency also due to excessively high temperature and reduce;Chemical Treatment mainly utilizes chemical substance
Oxidation reaction is carried out with the organic matter in waste, although such methods deodorizing effect is obvious, due at high cost, energy consumption is high,
It is difficult to popularize in an all-round way;Biological treatment is primarily referred to as carrying out waste fermentation process using the effect of inoculating microbe, has cost
The advantages that low, tunning activity is high, and fertilizer efficiency is high, easy to operate, easy to spread can reach deodorization simultaneously, kill the mesh such as worm's ovum
, therefore most viable and most promising livestock and poultry feces processing method is considered by expert.Wherein biogas method and composting method are exactly
Study at present more in Biochemical method, prospect is best and most widely used mode.
Biogas project processing, is mainly used for large and medium-sized live pig and milk cattle cultivating, fecaluria anaerobic fermentation, biogas for producing,
Life or power generation, biogas residue and biogas liquid handle returning to the field, account for about the 5% of livestock and poultry feces treating capacity.In recent years, finances at different levels were in Livestock pollution
Less input in improvement, and far from treatment for cow manure credit requirement is met, the credit enthusiasm of financial department is not high, existing natural pond
Gas electricity generation grid-connecting and subsidy policy are difficult to implement, and lead to that waste treatment facility coordinative composition of equipments is complete, operational difficulties, and biogas fermentation
Time long biogas tankage is small to be also inadequate in dealing with increasing waste.Compost fermentation processing mode traditional at present has three
Kind: first is that spontaneous fermentation is handled, it is mainly used for poultry and free-ranging cattle and sheep, live pig, after waste heap fermentation, settlement of sewage degradation also
Field accounts for about the 30% of livestock and poultry feces treating capacity;Second is that pad material fermentation bed is handled, it is mainly used for middle-size and small-size live pig and poultry cultivation,
Fermentative degradation, substantially realization zero-emission account for about the 17% of livestock and poultry feces treating capacity to fecaluria simultaneously;Third is that production organic fertilizer, mainly
It is to be processed into organic commercial fertilizer using the waste of live pig, milk cow and beef cattle scale livestock farming, account for about livestock and poultry feces treating capacity
4%.Although these biological treatment modes can generate certain effect, conventional compostation fermenting speed is slow, and the processing time is long,
Land occupation is too many, and still environmental pollution is large in number and widely distributed during the fermentation, and causes part nutrition loss, is unfavorable for organic waste
Resource utilization.Due to being usually mingled with urine in livestock and poultry feces or rinsing sewage, moisture content is higher, and more existing equipment can lead to
Overdrying hygroscopic water, which is disembarked, carries out separating dry space from moist space, dry matter fermentation process, and muck still can not be handled and be discharged wantonly.Various originals
Cause causes raiser to be still unwilling using often arbitrarily discharge, causing treatment for cow manure is still the important pollution sources of environment.
This not only causes part water eutrophication, pollutes farm's ambient air, and propagate epidemic disease, influences pesticide herd product quality peace
Complete and human health.Wherein, sewage is the main source of breeding pollution.It is detected according to environmental protection administration, the whole province COD discharge and ammonia nitrogen row
It puts in total amount, accounts for 70% and 38% respectively from livestock and poultry cultivation.
Summary of the invention
It is an object of the invention to solve the deficiencies in the prior art, provide it is a kind of operation it is convenient, efficient, inexpensive, without dirt
The method for preparing organic fertilizer using livestock and poultry feces of dye.
To solve above-mentioned technical problem the present invention adopts the following technical scheme:
A method of organic fertilizer being prepared using livestock and poultry feces, is included the following steps:
(1) livestock and poultry feces and additive are uniformly mixed, are obtained to fermentation materials, after leavening is activated, is added
To in fermentation materials, mixed material is obtained after mixing, water is added to make the moisture 60-70% of mixed material;
(2) cuboid block is packaged by the mixed material after adjustment moisture in step (1) is hydraulic, then use plastic bag sealing
Packaging, is placed in and carries out anaerobic fermentation at room temperature, after fermentation, obtain organic fertilizer;
In step (1), the weight ratio of livestock and poultry feces and additive is (6-8): (2-4).
In step (1), the additive is selected from one of sawdust, bamboo scraps, rice bran, waste edible fungus rejected material or straw or two
The mixture of kind any of the above ratio.
In step (1), the leavening is selected from one of bacillus, trichoderma, aspergillus, saccharomycete or lactic acid bacteria or two
The mixture of kind any of the above ratio;The living bacteria count of every gram of microbial inoculum is more than 5,000,000,000 viable counts, miscellaneous bacteria element < 5.0%.It is preferred that
Leavening is the mixture that bacillus, trichoderma, aspergillus, saccharomycete and lactic acid bacteria weight ratio are 1:1:1:1:1.
Further, in step (1), the activation method of leavening: leavening is mixed with activator with the weight ratio of 1:5
It is even, activator in soya-bean cake, corn flour, rice bran or urea any one.
Further, in step (1), the additive in advance with pulverizer be ground into length less than 2cm filiform or
Grain, and remove volume greater than 2cm3Block, avoid influence ferment effect.
Further, in step (1), the dosage of the leavening is the 0.2-0.5 ‰ of weight of material to be fermented.
Further, in step (2), the specification of the cuboid block is 80cm*50cm*40cm.
Further, in step (2), the polybag material is polyethylene, with a thickness of 2.5~3.0.
Further, in step (2), it is also cased with woven bag outside the polybag, is protected from light breakage-proof, be further ensured that fermentation just
Often carry out.
In the present invention, anaerobic fermentation process is divided into 3 stages, i.e. aerobe operational phase, lactic fermentation stage and steady
Determine the stage.
(1) aerobe operational phase: after material is sealed by hydraulic packing, when fermentation starts, the ferment that is attached on material
The aerobic microorganisms such as female bacterium, spoilage organisms, mould and acetic acid bacteria are rich in soluble faction body using what is be discharged by mechanical expression
The juice of system, is bred rapidly.The breedings such as spoilage organisms, mould are the strongest, it makes protein breakdown in material, formed a large amount of
Indoles and gas and a small amount of acetic acid etc..The respiration of aerobic microorganism action result and some cells at 1-3 days, point
Organic substance is solved, until oxygen runs out in material, forms anaerobic environment.In addition, cellular respiration, oxidasis and micro-
Heat is also released in the activity of biology.Anaerobism and warm environment create condition for lactobacillus-fermented, which is material environment
Become necessary to anaerobic processes from aerobic.If the inadequate consolidation oxygen of material compression is excessive, aerobic microorganism activity is vigorous,
Temperature in material can be made to increase, sometime up to 60 DEG C or so, thus weaken lactic acid bacteria and other microorganism competitiveness, make material
Nutrient component damages are excessive, ferment effect decline.The length and the chemical composition of material, material filling of time first stage is conspired
Related with packing speed, the time of protein content height (the animal waste of the concentrated feeds such as pig, chicken and duck nursing on the high side) is longer, is rich in
The time of carbohydrate more (Herbivores such as cattle and sheep waste) is shorter;Material filling is soft, the fermentation slow time is long, filling
Closely, the fermentation fast time is short.Therefore, waste fermentation technique key is to shorten time first stage as far as possible, by pressing in time
It closely seals to reduce respiration and the breeding of aerobic harmful microorganism, to reduce nutrient loss, improves material fermentation quality.
(2) the lactic fermentation stage: after other conditions in anaerobic condition and material are formed, lactic acid bacteria is bred rapidly, is formed
A large amount of lactic acid.Acidity increases, PH decline, promotes the suppressed stopping of the activity such as spoilage organisms, Miyarisan, or even disappearance.When pH value declines
When to 4.2 or less, various harmful microorganisms cannot all survive, even the activity of streptococcus lactis is also suppressed, only lactic acid
Bacillus exists, and when pH is 3, Bacillus acidi lactici is also stopped action, and lactic fermentation terminates substantially.Under lactic acid bacteria effect, this
Process typically lasts for 3-5 days.
(3) stabilization sub stage: various microorganisms are stopped action in this stage material, and only Tatami lactic acid bacteria exists less, nutrition
Substance will not lose again.Under normal circumstances, stabilization sub stage, if air-proof condition is good, hair can be entered by fermenting 30 days or so
Ferment material can save down for a long time, and 20-30 never degenerates.
Beneficial effects of the present invention:
The present invention according to the moisture situation in livestock and poultry feces, adds a certain proportion of additive (sawdust, bamboo scraps, food first
With agriculture and forestry organic waste materials such as bacteria residue, straw straw), additive can select one or more random mixing according to local resources, then
Leavening is added, and adjusting material water ratio is 60-70%, is packaged into certain specification size with hydraulic press-packing compression vacuum
Cuboid block, last plastic bag sealing packaged fermentation to organic fertilizer.Obtained organic fertilizer can be used for culture medium of edible fungus or plant
The purposes such as object cultivation matrix, animal feed.
Operation of the present invention is simple, efficiently convenient, both saves fermenting space, reduces environmental pollution, and improve nutritional utilization
Rate solves the adverse effect that tradition builds heap fermentation, and reduces cost, time and space is saved, so that scale, intensive biology
Organic fertilizer is converted, breeding, which recycles, to be possibly realized.Advantage is mainly reflected in five aspects:
One is easy for handling in time, saves time and space.The generation of waste is a small amount of daily generation daily, conventional compostation
Fermenting speed is slow, and the processing time is long, and land occupation is too many, and still environmental pollution is large in number and widely distributed during the fermentation, also influences livestock and poultry
Living environment quality, and stack and it is open type fermented during also easily cause nutrient loss serious;In addition, when biogas fermentation
Between it is long, biogas tankage is small the problems such as limit, be also inadequate in dealing with increasing waste, these restraining factors are all very unfavorable
In the resource utilization of organic waste.The present invention uses the hydraulic organic fertilizer at the block-like anaerobic fermentation of cuboid, anaerobism hair
Ferment has treating capacity big, the advantages of taking up little area, handles in time, reduces nutrient loss, low in the pollution of the environment.
Second is that processing storage convenient transportation.There are three types of the zymotechnique of organic fertilizer producer mainstream is usual: slot type aerobic fermentation
Technique, strip style composting fermentation technology, organic fertilizer fermentation tank fermentation technology.It is logical that conventional aerobic fermentation usually requires turning often
Oxygen will also fill packet and save transport, not only increase operation sequence but also increased cost after processing.Present invention package design, packaged fermentation
Disposable to complete, easy to maintain, nutrient is not lost, and can normally be saved 1 year or so at 20 DEG C of room temperature or less.Compression processing, which reduces, deposits
Storage and transport space improve conevying efficiency, and ensure that the integrality of nutrition in storage and transportational process, greatly save
Production, storage, transportation cost.
Third is that organic fertilizer high conversion rate.Conventional compostation fermenting speed is slow, and usually not enough thoroughly, more secondary turning is logical
Oxygen, the processing time is long, and land occupation is too many, and still environmental pollution is large in number and widely distributed during the fermentation, causes part nutrition loss, unfavorable
In the resource utilization of organic waste.Natural compost decomposed period is longer, has both increased decomposed cost, while N, P, K etc. are main
Want fertility constituent content relatively low, cause fertility effect not significant, limit chicken manure and discarded bacterium bag co composting scale and
Industrialization.Present invention application hydraulic press-packing compression packing keeps the pollution-free fermentation of raw material more complete, raising raw material can be greatly improved
Utilization rate and nutritional ingredient, are sealed simultaneously, keep nutrition loss in storage and transport almost seldom.Meanwhile sealed hydraulic is beaten
Material anaerobic fermentation theory is utilized in packet, and waste reaches the induced worm egg death rate after handling in waste after anaerobic fermentation
99%, Escherichia coli 0 are conducive to improve biological humic content in tunning, have reached " livestock and poultry breeding industry pollutant row
Put standard " as defined in the innoxious standard of livestock and poultry breeding industry waste residue, become high-quality organic fertilizer.
Fourth is that reducing cost.Organic fertilizer production is a coherent process, needs certain fermentation time, generally requires
15-20 days time will result in insufficient raw material if fermentation plant is too small, influence the stability of organic fertilizer production, so hair
Fermentation raw material should be the total amount of production in 20 days in ferment workshop, it is necessary to which the fermentation plant for configuring certain scale size increases soil
Cost and construction cost.Routine, which builds heap and ferments, needs the logical oxygen of turning often, whole process very sweat, if treating capacity is big, people
Power is difficult to complete, it is necessary to which large-scale organic fertilizer turner, at high cost, common peasant household is unbearable.Compression processing reduces
Storage and transport procedure and space.The present invention reduces operation sequence at this three aspect, does not need big used device, greatly
Production, storage, transportation cost are saved, makes small raiser's to be treated as possibility at any time.
Fifth is that expanding organic fertilizer purposes.Organic fertilizer produced by the present invention not only can be used for the getting fat of crops, but also can be used for
The culture medium of soilless cultivation, can be also used for culture medium of edible fungus.In addition, may be used also due to its good Fermented and trophism
For use as animal-breeding feed, such as earthworm, yellow meal worm, fly maggot, fishes and shrimps, pig, cattle and sheep.
Specific embodiment
Further description of the technical solution of the present invention combined with specific embodiments below.
Embodiment 1
A method of organic fertilizer being prepared using livestock and poultry feces, is included the following steps:
(1) by the 700kg fresh pig manure dirt of health and 300kg additive (remaining dead meal after the processing of disposable bamboo chopsticks
Bamboo scraps remove sharp object) it is uniformly mixed, it obtains to fermentation materials, by 0.2kg leavening, (leavening is bacillus, wood
Mould, aspergillus, saccharomycete and lactic acid bacteria weight ratio are the mixture of 1:1:1:1:1, and the living bacteria count of every gram of leavening is more than 50
Hundred million viable counts, miscellaneous bacteria element < 5.0%) it is uniformly mixed with 1kg corn flour, it is then added to in fermentation materials, after mixing
Mixed material, add water to make the moisture 60-70% of mixed material, held after mixing it is agglomerating, webs water breakthrough exudation but do not drip
Droplet is loosed one's grip and is dissipated preferably;
(2) by the hydraulic specification that is packaged into of the mixed material after adjustment moisture in step (1) for the length of 80cm*50cm*40cm
Cube block is also cased with braiding then with polybag (material is polyethylene, with a thickness of 2.5~3.0) sealed package outside polybag
Bag, is placed in and carries out anaerobic fermentation at room temperature, after fermentation 5-10 days, obtains organic fertilizer.
As a result measurement and analysis
1, heap body EC is measured.
Heap body EC is the important indicator for reflecting compost maturity.In composting production, heap body EC represents inorganic ion
Amount, and inorganic ion is one of substance necessary to plant growth.With DDS-307 type conductivity gauge (upper Nereid section) in this implementation
Measurement.In composting process, larger molecular organics matter is constantly decomposed into electrolyte, thus each processing group heap body EC is gradually in that rising becomes
Gesture rises to 2.598ms/cm from initial value 2.35ms/cm, and whole process is respectively less than 4ms/cm secure threshold, can be used as fertilizer peace
Full application.
2, biological humic assay.
Measuring method: it weighs sample after 50g is air-dried and 250ml water recently distilled is added, makes solid-to-liquid ratio in 1000ml beaker
For 1:5.110r/min shaking table shakes 15min, after standing 30min, its supernatant is taken directly to be measured with pH meter.
The biological humic content for measuring Preliminary fermentation raw material is 7.37%, and in organic fertilizer obtained, biological humic contains
It is 58.7% that amount, which mentions content,.
3, seed germination index (GI) measures.
Different fermentations period (0 week, 1 week, 2 weeks, 3 weeks) compost sample is taken, respectively plus 10 times of deionized waters extract 2h, straight
Diameter is that clean filter paper is spread in 10cm culture dish, uniformly places wheat seed 15, leaching liquor 3.75ml is taken uniformly to instill, with go from
Sub- water is control, is placed in insulating box and cultivates 4-6 days for 25 DEG C, the germination that compost sample in the different fermentations period is calculated by formula refers to
Number, studies the influence that its stratification is taken root.The Rapid Fermentation under the auxiliary of decomposing microbial inoculum, germination index is from 6.1% liter after 1 week
Height is to 50.6%, and rising is extremely significant, and compost is substantially decomposed;After fermenting 2 weeks, germination index reaches maximum value 74.6%, compost
It is sufficiently decomposed.
Embodiment 2
A method of organic fertilizer being prepared using livestock and poultry feces, is included the following steps:
(1) the fresh chicken manure of 800kg health is dirty (dirty for examination chicken manure: to be collected in the house same day discharge of farm's batterylaying
Antibiotic-free and sulfa drug residue fresh excrement, wherein moisture content 80%) be uniformly mixed with 200kg rice bran, obtain
To fermentation materials, by 0.2kg leavening, (leavening is that bacillus, trichoderma, aspergillus, saccharomycete and lactic acid bacteria weight ratio are
The mixture of 1:1:1:1:1, the living bacteria count of every gram of leavening are more than 5,000,000,000 viable counts, miscellaneous bacteria element < 5.0%) and 1kg meters
Chaff is uniformly mixed, and is then added to obtain mixed material after mixing, water is added to make the moisture of mixed material in fermentation materials
60-70%, holds agglomerating after mixing, the exudation of webs water breakthrough but not drop of water are loosed one's grip and dissipated preferably;
(2) by the hydraulic specification that is packaged into of the mixed material after adjustment moisture in step (1) for the length of 80cm*50cm*40cm
Cube block is also cased with braiding then with polybag (material is polyethylene, with a thickness of 2.5~3.0) sealed package outside polybag
Bag, is placed in and carries out anaerobic fermentation at room temperature, after fermentation 5-10 days, obtains organic fertilizer, is used for pannage.
Harmless index determining and result:
Before fermentation process and after fermentation respectively in extract sample, carry out following index determining.
(1) sensory properties inspection: check embodiment 2 made from organic fertilizer smell, quality and palatability, and with before fermentation
Chicken manure dirt compare.
Test result: organic fertilizer excrement stink obtained completely disappears after the fermentation of chicken manure material, and soft, hand pinches agglomerating, hand
It is loosened, all has different degrees of fragrant tart flavour.Show during the fermentation beneficial microbe saccharomycete, lactic acid bacteria and other
Promote the bacterium of cellulose decomposition to have the advantage status, is inhibited harmful microbe growth and breeding, crude fibre obtains
Degradation.
(2) acidity assaying: taking sample 5g, and 10mL sterile saline is added, and mixes, and 1500r/min is centrifuged 15min, takes
Supernatant is measured with pH meter, is as a result indicated with pH;Viable count measurement: sample 1g is taken, is successively made with sterile saline by 1: 10
Doubling dilution uses salmonella A-F polyvalent serum to make direct agglutination test to check salmonella;Sample inoculation is taken simultaneously
Maconkey agar plate counts the red colonies grown thereon, to measure E. CoIi content.
Test result: after the fermentation of chicken manure material in organic fertilizer obtained, salmonella is thoroughly eliminated, and Escherichia coli quantity drops to
Safe range, meanwhile, the pH of chicken manure mixture is also remarkably decreased after fermentation.
Using test:
Test method: test pig completes castration, expelling parasite, immunization inocultation work before test, and dry powder feeding is fed 3 times day, from
By drink clean water, colony house long term disinfection is observed and is counted to feed consumption, feeding situation, health status weekly, claims in time
Weight, reloads in due course, fills in report in detail.By test pig according to nest not, age in days, weight etc. by symmetry principle be divided into 2 groups, every group
30.The commercially available high-quality concentrate feed of control group fed presses the complete diet pellet that dispensing information is prepared, and test group feeding is added to the system of embodiment 2
The complete diet pellet of the organic fertilizer of preparation ferment, organic fertilizer account for complete diet pellet 40% (being equivalent to reduces normal complete diet pellet dosage
40%).
As a result measurement and analysis:
1, feeding and health status observation
In the 1st week experimental period, control group and test group feeding are normal, and swine excrement is normal, 2 groups of equal excrement of pig after test 1 week
Normally, feeding is good, and drinking-water is normal.
2, Gain weight is shown in Table 1
1 feeding experiment result of table
Group | Starting weight/kg | End weight/kg | Daily gain/kg | Feed consumption rate/kg | Feedstuff-meat ratio % |
Control group | 20.8 | 89.9 | 0.58 | 249.7 | 3.58 |
Experimental group | 20.3 | 88.6 | 0.57 | 251.2 | 3.67 |
Seen from table 1, in entire experimental period, control group and 2 groups of 1 group of test, test average daily gains be respectively 0.58kg,
0.57kg;Feedstuff-meat ratio is respectively 3.58,3.67, is examined through t, and difference is not significant (P > 0.05).Illustrate to be added in basal diet
The chicken manure fermented feed of embodiment 2 has not significant impact the weight gain of pig, feed conversion rate.
3, economic benefit situation
2 Economic and Efficiency Analysis of table
Note: every kilogram of live-weight unit price is calculated with 16.00 yuan.
As shown in Table 2, although control group weight gain is slightly higher, since control group feed price is expensive, the equal gross profit of control group head
Than 1 group few 104.20 yuan of test, test group is 1.58 yuan lower than every kilogram of arbor acre broiler difference of control group.
The poultry dung feed handled using this method, although not as good as control group in terms of feedstuff-meat ratio, overall economic efficiency is bright
It is aobvious to be higher than control group.In the test for lasting 120d, since fermentation poultry dung feed is cheaper than commercially available material in price, so raising
Good overall economic efficiency can be shown by supporting in the period, test two groups of pigs in situation similar in the speed of growth.Use this
The fermentation poultry dung feed pig feeding of method processing, had not only reduced fine fodder dosage, but also take full advantage of agricultural and sideline product leftover bits and pieces, had reduced
Pollution, protects environment, and in particular rural culture family opens the new way for improving cultivation comprehensive benefit.
Claims (8)
1. a kind of method for preparing organic fertilizer using livestock and poultry feces, which comprises the steps of:
(1) livestock and poultry feces and additive are uniformly mixed, are obtained to fermentation materials, after leavening is activated, be added to
In fermentation materials, mixed material is obtained after mixing, water is added to make the moisture 60-70% of mixed material;
(2) cuboid block is packaged by the mixed material after adjustment moisture in step (1) is hydraulic, then with plastic bag sealing packet
Dress, is placed in and carries out anaerobic fermentation at room temperature, after fermentation, obtain organic fertilizer;
In step (1), the weight ratio of livestock and poultry feces and additive is (6-8): (2-4);
In step (1), the additive be selected from one or both of sawdust, bamboo scraps, rice bran, waste edible fungus rejected material or straw with
The mixture of upper arbitrary proportion;
In step (1), the leavening be selected from one or both of bacillus, trichoderma, aspergillus, saccharomycete, lactic acid bacteria with
The mixture of upper arbitrary proportion, the living bacteria count of every gram of leavening are more than 5,000,000,000 viable counts, miscellaneous bacteria element < 5.0%.
2. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that in step (1), the hair
Ferment agent is the mixture that bacillus, trichoderma, aspergillus, saccharomycete and lactic acid bacteria weight ratio are 1:1:1:1:1.
3. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that in step (1), leavening
Activation method: leavening is uniformly mixed with activator with the weight ratio of 1:5, activator be selected from soya-bean cake, corn flour, rice bran or
Any one in urea.
4. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that described to add in step (1)
Add object to be ground into the filiform or particle that length is less than 2cm with pulverizer in advance, and removes volume greater than 2cm3Block.
5. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that in step (1), the hair
The dosage of ferment agent is the 0.2-0.5 ‰ of weight of material to be fermented.
6. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that in step (2), the length
The specification of cube block is 80cm*50cm*40cm.
7. the method for preparing organic fertilizer using livestock and poultry feces as described in claim 1, which is characterized in that in step (2), the modeling
Material bag material is polyethylene, with a thickness of 2.5~3.0.
8. the method for preparing organic fertilizer using livestock and poultry feces as described in any one of claim 1 to 7, which is characterized in that step (2)
In, woven bag is also cased with outside the polybag.
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CN115259961A (en) * | 2022-08-08 | 2022-11-01 | 广东省适然环境科技研究有限公司 | Method for treating organic fertilizer by horizontal fermentation tank |
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CN115259961A (en) * | 2022-08-08 | 2022-11-01 | 广东省适然环境科技研究有限公司 | Method for treating organic fertilizer by horizontal fermentation tank |
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