CN109305864A - A kind of compound fertilizer and preparation method thereof - Google Patents
A kind of compound fertilizer and preparation method thereof Download PDFInfo
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- CN109305864A CN109305864A CN201811502041.5A CN201811502041A CN109305864A CN 109305864 A CN109305864 A CN 109305864A CN 201811502041 A CN201811502041 A CN 201811502041A CN 109305864 A CN109305864 A CN 109305864A
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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
- 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
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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
Abstract
The present invention relates to a kind of compound fertilizers, it is made using afforestation castoff compost product by raw material, the raw material including following weight parts: 19-54 parts of afforestation castoff compost product, 0-23 parts of wormcast, 0-23 parts of bacterial manure, 12.5-16.5 parts of urea, 16-23 parts of monoammonium phosphate, 15-19 parts of potassium sulfate.Contain a large amount of wood fibre in afforestation castoff compost product, soil texture can be effectively improved as the compound fertilizer of raw material production, meet that nursery stock plant is good to soil for growth permeability, organic matter requirement abundant, good long-acting facilitation is played to the growth of nursery stock plant.Further relate to it is a kind of it is simple and easy, using afforestation castoff compost product as the production method of the compound fertilizer of raw material.Belong to biomass resource and develop and uses field.
Description
Technical field
The present invention relates to biomass resources to develop and use field, specifically a kind of compound fertilizer and preparation method thereof.
Background technique
Afforestation waste is primarily referred to as ornamental plant and withers and falls or manually trim naturally generated plant residue, main
It to include leaf, grass cuttings, trees and shrub beta pruning etc., main component is wood fibre.Not with afforestation coverage in the city
It is disconnected to rise, traditional processing mode such as the quantity of afforestation waste increasingly increases, and arbitrarily stacks, fills, burning, not only
Appearance of city is influenced, and is polluted the environment, the Ecological landscape target for saving friendly with construction is incompatible with.Cause
This, methods for the recycling treatment of a large amount of afforestation wastes and application problem of Related product urgently solves later
Certainly.
Currently, being concentrated mainly on the research of afforestation utilization of waste as resource to the method for compost and in individual grass
Application aspect on flowering plant, the research being applied on nursery stock plant for it are less.According to " complex fertilizer (compound fertilizer)
(GB 15063-2009) ", compound fertilizer refers to nitrogen, phosphorus, in three kinds of nutrients of potassium, at least two breedings divide declarable content by chemistry side
Fertilizer made of method and (or) mixing method；And organic-inorganic complex fertilizer is the complex fertilizer containing a certain amount of organic matter.It will
Afforestation waste complex fertilizer especially organic-inorganic complex fertilizer applies in the growth fertilising of flowers and plants plant, not only
It solves the urban issues of afforestation offal treatment, also plays length in the improvement of habitat to ornamental plant nutrition supply and on the spot
Imitate facilitation.
Summary of the invention
For the technical problems in the prior art, the object of the present invention is to provide one kind with afforestation waste
Composting production is compound fertilizer made of raw material, contains a large amount of wood fibre in afforestation castoff compost product, as
The compound fertilizer of raw material production can be effectively improved soil texture, meet that nursery stock plant is good to soil for growth permeability, organic matter
Requirement abundant plays good long-acting facilitation to the growth of nursery stock plant.
It is another object of the present invention to: provide it is a kind of it is simple and easy, using afforestation castoff compost product as raw material
Compound fertilizer production method.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of compound fertilizer is made, the raw material including following weight parts: garden using afforestation castoff compost product by raw material
Woods afforests 19-54 parts of castoff compost product, 0-23 parts of wormcast, 0-23 parts of bacterial manure, 12.5-16.5 parts of urea, monoammonium phosphate
16-23 parts, 15-19 parts of potassium sulfate.
Preferably, the production of afforestation castoff compost product is the following steps are included: a, remove afforestation waste
Except impurity, partial size is crushed to less than 10mm；B, useless by every cubic metre of afforestation into the afforestation waste that step a is obtained
The proportion that gurry adds 0.5-1.0kg chemical decomposing agent adds chemical decomposing agent, adjusts the C/N ratio of composting material to 25-30, contains
Water is mixed to 55%-65%, pH value to 5.5-8.0；C, the afforestation waste that step b is obtained is piled into a stacking；
D, turning is carried out according to compost period and heap temperature；E, the raw material of decomposed stack retting is screened by screening machine, obtains grain
Diameter≤5mm raw material is as afforestation castoff compost product.
Preferably, in step d, compost period, heap temperature and turning number or compost period, heap temperature and turning week
The relationship of phase are as follows: i. temperature raising period, heap body internal temperature reach 55-60 DEG C, answer turning primary, and heap body is avoided to form anaerobic environment；
Ii. megathermal period, windrow fermenting speed are accelerated, and temperature can quickly be increased to 65 DEG C or more after turning, answer turning in 5-7 days primary；
Iii. cooldown period answers turning in 10-15 days primary；But the timely turning when heap temperature is more than 70 DEG C.
Preferably, in step c, the heap body width range of stacking is 3-8m, altitude range 2-3m.
Preferably, in step d, according to " City Green recycling waste technology general specification (DBJ440100/
T59-2010) " it detects composting material technical indicator and judges.
Preferably, it in step e, is screened using cylinder round sifter.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
19-54 parts of castoff compost product, 0-23 parts of wormcast, 0-23 parts of bacterial manure mixings are afforested, mixture moisture is adjusted, carries out
Secondary stack retting 7-10 days, gravity-flow ventilation primary every turning in 2-3 days；S3: by decomposed secondary stack retting material natural drying wind
It is dry, moisture≤5.0% is controlled, organic fertilizer is obtained；S4: by 12.5-16.5 parts of urea, 16-23 parts of monoammonium phosphate, potassium sulfate
In the organic fertilizer of 15-19 parts of addition step S3, stirs evenly, obtain organic-inorganic compound mixed fertilizer.
Preferably, in step s 4, obtained organic-inorganic compound mixed fertilizer is packed with GB 8569 is met, deposits in cool place
At dry.
Generally speaking, the present invention has the advantage that
The present invention is that raw material makes compound fertilizer using afforestation castoff compost product, and it is green can not only to efficiently use gardens
Change waste, solve the processing problem of afforestation waste, and can produce certain economic value, meets circulation warp
The requirement of Ji development and built environment friendly, conservation-minded society, what the theory and low-carbon economy for also complying with Green Development developed
It is required that realize that saving landscape also provides a kind of mode of practical.Contain in afforestation castoff compost product
A large amount of wood fibre can be effectively improved soil texture as the compound fertilizer of raw material production, meet nursery stock plant to growth
Soil permeability is good, organic matter requirement abundant, plays good long-acting facilitation to the growth of nursery stock plant.
Specific embodiment
Below with reference to embodiment, the present invention will be further described in detail, and embodiments of the present invention are not limited thereto.
Embodiment one
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 42kg, wormcast 0kg,
Bacterial manure 0kg, urea 16kg, monoammonium phosphate 23kg, potassium sulfate 19kg.
The production method of afforestation castoff compost product in afforestation waste the following steps are included: a, will adulterate
Impurity removal, partial size is crushed to lower than 10mm by professional milling machinery.B, into the afforestation waste that step a is obtained
Chemical decomposing agent is added by the proportion of every cubic metre of afforestation waste addition 0.5-1.0kg chemical decomposing agent, adjusts compost
The C/N ratio of raw material is mixed to 25-30, water content to 55%-65%, pH value to 5.5-8.0.C, the gardens for obtaining step b
Greening waste piles a stacking, and the heap body width range of stacking is 3-8m, altitude range 2-3m.D, according to compost period
And heap temperature carries out turning: i. temperature raising period, heap body internal temperature reach 55-60 DEG C, answer turning primary, and the formation of heap body is avoided to detest
Oxygen environment；Ii. megathermal period, windrow fermenting speed are accelerated, and temperature can quickly be increased to 65 DEG C or more after turning, answer turning in 5-7 days
Once；Iii. cooldown period answers turning in 10-15 days primary；But the timely turning when heap temperature is more than 70 DEG C.According to " city is green
Color recycling waste technology general specification (DBJ440100/T59-2010) " detection composting material technical indicator.It e, will be rotten
The raw material of ripe stack retting is screened by screening machine, obtains partial size≤5mm raw material as afforestation castoff compost product.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
42 parts of castoff compost product, 0 part of wormcast, 0 part of bacterial manure mixing are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: the organic of step S3 is added in 16 parts of urea, 23 parts of monoammonium phosphate, 19 parts of potassium sulfate
It in fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
Embodiment two
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 19kg, wormcast
23kg, bacterial manure 0kg, urea 16.5kg, monoammonium phosphate 22.5kg, potassium sulfate 19kg.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
19 parts of castoff compost product, 23 parts of wormcast, 0 part of bacterial manure mixing are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: 16.5 parts of urea, 22.5 parts of monoammonium phosphate, 19 parts of potassium sulfate are added step S3's
It in organic fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
To refer to part with embodiment 1 in the present embodiment, details are not described herein again.
Embodiment three
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 19kg, wormcast 0kg,
Bacterial manure 23kg, urea 16.5kg, monoammonium phosphate 22.5kg, potassium sulfate 19kg.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
19 parts of castoff compost product, 0 part of wormcast, 23 parts of bacterial manure mixings are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: 16.5 parts of urea, 22.5 parts of monoammonium phosphate, 19 parts of potassium sulfate are added step S3's
It in organic fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
To refer to part with embodiment 1 in the present embodiment, details are not described herein again.
Example IV
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 54kg, wormcast 0kg,
Bacterial manure 0kg, urea 13kg, monoammonium phosphate 18kg, potassium sulfate 15kg.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
54 parts of castoff compost product, 0 part of wormcast, 0 part of bacterial manure mixing are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: the organic of step S3 is added in 13 parts of urea, 18 parts of monoammonium phosphate, 15 parts of potassium sulfate
It in fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
To refer to part with embodiment 1 in the present embodiment, details are not described herein again.
Embodiment five
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 34kg, wormcast
20kg, bacterial manure 0kg, urea 13.5kg, monoammonium phosphate 17.5kg, potassium sulfate 15kg.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
34 parts of castoff compost product, 20 parts of wormcast, 0 part of bacterial manure mixing are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: 13.5 parts of urea, 17.5 parts of monoammonium phosphate, 15 parts of potassium sulfate are added step S3's
It in organic fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
To refer to part with embodiment 1 in the present embodiment, details are not described herein again.
Embodiment six
A kind of compound fertilizer, the raw material including following weight parts: afforestation castoff compost product 34kg, wormcast 0kg,
Bacterial manure 20kg, urea 12.5kg, monoammonium phosphate 18.5kg, potassium sulfate 15kg.
A kind of production method of compound fertilizer, comprising the following steps: S1: wormcast, bacterial manure are suitably crushed；S2: by gardens
34 parts of castoff compost product, 0 part of wormcast, 20 parts of bacterial manure mixings are afforested, mixture moisture is adjusted, carries out secondary stack retting
It is 7-10 days, primary every turning in 2-3 days, gravity-flow ventilation；S3: decomposed secondary stack retting material natural drying is air-dried, and controls water
Divide≤5.0%, obtains organic fertilizer；S4: 12.5 parts of urea, 18.5 parts of monoammonium phosphate, 15 parts of potassium sulfate are added step S3's
It in organic fertilizer, stirs evenly, obtains organic-inorganic compound mixed fertilizer.
To refer to part with embodiment 1 in the present embodiment, details are not described herein again.
U.S. flower callistemon rigidus is that flower tree, shade tree first choice tree species are seen in the common ornamental plant of one kind and flower garden.The kind compared with
It is drought-resistant barren, ground plant seedling can in a variety of edaphic conditions normal growth, but with short texture, draining is good, water level is lower, pH
The planting soil of value 6.0-6.5 is advisable.If it is container culturing, then answer that permselectivity is good, organic matter is abundant, pH value 5.5-
6.5 material makees cultivation matrix.
By compound fertilizer of the invention be applied to U.S. flower callistemon rigidus, study its to U.S. flower callistemon rigidus growth facilitation and
Its application effect has done following bag seedling experiment in cultivation using compound fertilizer made of above-mentioned 6 embodiments:
Bag seedling experiment in cultivation is carried out in open area, selects U.S. flower callistemon rigidus (plant height 30-50cm；U.S. plant bag 35cm ×
It 30cm) is used as test plant, applies fertilizer according to nutrient equivalent principle.10 groups of processing are designed, every group of processing repeats 20 basins, altogether
200 basins, wherein to apply compound fertilizer of Norway (CK1), slow-release fertilizer (CK2) as inorganic fertilizer control group.The original of other 8 kinds of compound fertilizers
As shown in table 1, BK1 and BK2 are the compound fertilizer that only addition wormcast is organic fertilizer raw material for material and its proportion, corresponding to experiment
Group is respectively compound fertilizer control group CK3 and CK4.To this 10 processing group periodic detection plant heights, hat width growth indexes.Using bag seedling
The mode of cultivation, on the one hand, all matrix used in nutrient source and fertilizer for effectively controlling test plant are (such as 2 institute of table
Show), it is ensured that fertilizer is the principal element for leading to the growth differences of test plant；On the other hand, the seedling cost of bag seedling cultivation
It is low, be easily portable, be more suitable for it is actual during demand.
The raw material and its proportion (%, weight ratio) of 1 compound fertilizer of table
Nutrient content, moisture content and the applied amount for waiting nutrients to apply fertilizer of 2 10 processing group fertilizer of table
Experimental result:
A. plant height increment
As shown in table 3, difference is not significant between early growth period, the plant height increment of all processing groups, wherein it is organic at
The plant height amplification of only T1, T4 compound fertilizer processing group of composting production is divided to be slightly below inorganic fertilizer control group CK1, CK2, it is slightly above multiple
Complex fertilizer control group CK3, CK4；It grows to 47 days, T1 processing group plant height increment is significantly higher than other processing groups, T4 processing group strain
High growth amount is taken second place, and the performance of inorganic fertilizer control group is slightly worse；To later stage the 116th day, compound fertilizer control group CK4 handled plant height and increases
Long amount is maximum, is significantly higher than T1, T3, T5 processing.CK4 processing is significantly higher than T3, T5 processing to plant height overall growth amount as the result is shown；It is right
In T1, T4 compound fertilizer that organic principle is only composting production, slightly it is better than other same types in the performance that plant accumulates plant height
Compound fertilizer (T2/T3, T5/T6) processing.
Lower U.S. flower callistemon rigidus plant height increment (cm) of 3 complex fertilizer produced by different fertilizer of table processing
Note: 1. increments are compared with last measurement data.2. data are analyzed with 16.0 software of SPSS in table,
Multiple range test uses LSD method.Numerical value shown in table is average value ± standard error, with the data difference in column data with different letters
Different difference (p < 0.05).
B. hat width increment
As shown in table 4, early growth period T1 compound fertilizer handles hat width increment highest, and the 47th day CK4 processing hat width increases
Amount is maximum, but difference is not significant between each processing；116th day, T2, CK3 processing amplification were substantially less than control group.Hat width overall growth
Amount is the results show that all compound fertilizers processing hat width increment is slightly below compound fertilizer, slow-release fertilizer processing, but most of difference is not shown
It writes.Result explanation, the application effect of most of compound fertilizers is the same as compound fertilizer, slow-release fertilizer is handled.
Lower U.S. flower callistemon rigidus hat width increment (cm) of 4 complex fertilizer produced by different fertilizer of table processing
Note: 1. increments are compared with last measurement data.2. data are analyzed with 16.0 software of SPSS in table,
Multiple range test uses LSD method.Numerical value shown in table is average value ± standard error, with the data difference in column data with different letters
Different difference (p < 0.05).
This test designs 8 kinds of compound fertilizer according to standard requirements, wherein the raw material of 6 kinds of compound fertilizers includes afforestation waste
Composting production, I type total nutrient are that 24%, II type total nutrient is 30%, are found by biologic test, 8 kinds of compound fertilizers are to U.S. premium
Thousand layers of growth show as plant height, hat width increment handles slightly lower, this possibility than compound fertilizer, slow-release fertilizer there are certain influence
Ingredient difference is related between fertilizer, and compound fertilizer contains organic principle, and compared to inorganic fertilizer, its nutrients release is more slow, to plant
Object growth is also required to be observed for a long time.It is only T1, T4 compound fertilizer of composting production for organic principle, handles plant height
The effect of accumulation is slightly larger than the processing of other same type compound fertilizers；Assist other wormcasts, bacterial manure etc. organic simultaneously in composting production
Raw material can also prepare standard compliant compound fertilizer product, can be directly used in plant culture, it is contemplated that raw to plant after long-time service
Long and soil improvement effect is better than single application inorganic fertilizer.
Cost analysis: as shown in table 5, compound fertilizer used in CK1 and CK2, slow-release fertilizer price be respectively 5.4 yuan/kg and
22 yuan/kg, and be 1.7~3.2 yuan/kg by the price of the compound fertilizer of raw material of afforestation waste.Due to compound fertilizer and again
Hefei, the nutrient content of slow-release fertilizer are different, according to nutrient equivalent principle, to reach identical application effect, compound fertilizer is applying
Compound fertilizer and slow-release fertilizer are just had to be larger than in amount.So the cost of compound fertilizer is slightly above compound fertilizer of Norway and kingfisher in practice
Skin of bamboo slow-release fertilizer.
The cost price of each fertilizer of table 5
| Fertilizer | This compound fertilizer | Compound fertilizer of Norway | Emerald green skin of bamboo slow-release fertilizer |
| Cost | 1.7-3.2 member/kg | 5.4 yuan/kg | 22 yuan/kg |
The innovative point of this fertilizer is:
(1) it is compound fertilizer made of primary raw material that this fertilizer, which is afforestation castoff compost product, effectively to solve
Afforestation utilization of waste as resource problem provides a kind of feasible method；
(2) although this fertilizer is in N-P-K content substantially less than compound fertilizer of control group Norway and emerald green skin of bamboo slow-release fertilizer,
In the case where nutrient equivalent principle (increasing applied amount), promotion identical with inorganic fertilizer can be reached to the growth of U.S. flower callistemon rigidus
Effect；
It can be effectively improved soil texture after this fertilizer application, be a kind of compound fertilizer efficiently, green, environmentally friendly, it is particularly suitable
In U.S. flower callistemon rigidus.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. a kind of compound fertilizer, it is characterised in that: be made using afforestation castoff compost product by raw material, including following weight parts
Raw material: 19-54 parts of afforestation castoff compost product, 0-23 parts of wormcast, 0-23 parts of bacterial manure, 12.5-16.5 parts of urea,
16-23 parts of monoammonium phosphate, 15-19 parts of potassium sulfate.
2. compound fertilizer described in accordance with the claim 1, it is characterised in that: the production of afforestation castoff compost product include with
Lower step:
A, afforestation waste is removed into impurity, is crushed to partial size less than 10mm；
B, into the afforestation waste that step a is obtained by every cubic metre of afforestation waste addition 0.5-1.0kg chemistry
The proportion of decomposing agent adds chemical decomposing agent, adjusts the C/N ratio of composting material to 25-30, water content to 55%-65%, pH value
To 5.5-8.0, and mix；
C, the afforestation waste that step b is obtained is piled into a stacking；
D, turning is carried out according to compost period and heap temperature；
E, the raw material of decomposed stack retting is screened by screening machine, it is discarded as afforestation obtains partial size≤5mm raw material
Object composting production.
3. compound fertilizer according to claim 2, it is characterised in that: in step d, compost period, heap temperature and turning time
Several or compost period, heap temperature and turning period relationship are as follows:
I. temperature raising period, heap body internal temperature reach 55-60 DEG C, answer turning primary, and heap body is avoided to form anaerobic environment；
Ii. megathermal period, windrow fermenting speed are accelerated, and temperature can quickly be increased to 65 DEG C or more after turning, answer turning in 5-7 days one
It is secondary；
Iii. cooldown period answers turning in 10-15 days primary；But the timely turning when heap temperature is more than 70 DEG C.
4. compound fertilizer according to claim 2, it is characterised in that: in step c, the heap body width range of stacking is 3-
8m, altitude range 2-3m.
5. compound fertilizer according to claim 2, it is characterised in that: in step d, according to " City Green waste recycles benefit
With technology general specification (DBJ440100/T59-2010) " it detects composting material technical indicator and judges.
6. compound fertilizer according to claim 2, it is characterised in that: in step e, screened using cylinder round sifter.
7. a kind of production method of compound fertilizer, which comprises the following steps:
S1: wormcast, bacterial manure are suitably crushed；
S2: by 19-54 parts of afforestation castoff compost product, 0-23 parts of wormcast, 0-23 parts of bacterial manure mixings, adjustment is mixed
Object moisture is closed, carries out secondary stack retting 7-10 days, gravity-flow ventilation primary every turning in 2-3 days；
S3: decomposed secondary stack retting material natural drying is air-dried, and is controlled moisture≤5.0%, is obtained organic fertilizer；
S4: 12.5-16.5 parts of urea, 16-23 parts of monoammonium phosphate, 15-19 parts of potassium sulfate are added in the organic fertilizer of step S3,
It stirs evenly, obtains organic-inorganic compound mixed fertilizer.
8. the production method of compound fertilizer according to claim 7, it is characterised in that: in step s 4, by obtain it is organic-
Inorganic composite mixed fertilizer is packed with GB 8569 is met, and storage is in a cool and dry place.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114538999A (en) * | 2021-12-22 | 2022-05-27 | 广东省科学院生态环境与土壤研究所 | Organic fertilizer prepared from wastes of gardens and livestock and application of organic fertilizer in soil |
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