CN107628916A - A kind of charcoal fertilizer and preparation method and application - Google Patents
A kind of charcoal fertilizer and preparation method and application Download PDFInfo
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- CN107628916A CN107628916A CN201711092224.XA CN201711092224A CN107628916A CN 107628916 A CN107628916 A CN 107628916A CN 201711092224 A CN201711092224 A CN 201711092224A CN 107628916 A CN107628916 A CN 107628916A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The present invention relates to agricultural technology field, in particular to a kind of charcoal fertilizer and its preparation side and application, described charcoal fertilizer, counts in parts by weight, including：50~70 parts of charcoal, 10~30 parts of attapulgite, 30~50 parts of sepiolite, dry 0.2~0.3 part of 20~40 parts of manure of livestock and poultry, 3~5 parts of MAP, 14~20 parts of calcium magnesium phosphate, 6~14 parts of potassium chloride, 8~12 parts of urea, 1~3 part of methyl cinnamate and dicyandiamide；The charcoal is that lignin dry powder is prepared through high temperature pyrolysis.The fertilizer efficiency is good, and the fertilizer efficiency duration is grown, and can effectively facilitate plant growth.
Description
Technical field
The present invention relates to agricultural technology field, in particular to a kind of charcoal fertilizer and its preparation side and application.
Background technology
Charcoal be organic matter raw material under completely or partially anoxia condition, by high temperature pyrolysis (generally<700℃)
The rich carbon of caused one kind, height aromatization and the high organic substance of stability.Charcoal be Global climate change, crisis in food and
Ecological pollution reparation etc. provides comprehensive solution.Charcoal there is obvious improvement to make soil physics and chemical property
With its porosity characteristic and larger specific surface area are advantageous to soil moisture build op, improve porosity, reduce unit weight, so as to be plant
Thing growth provides good environment.Meanwhile charcoal is a kind of preferable modifying agent of acid soil.The nutrient member that charcoal contains
Element can directly input soil, and its surface charge and functional group are advantageous to the reservation of soil nutrient.
Lignin (Lignin) is a kind of naturally having with three-D space structure being made up of phenylpropane monomer
Machine high-molecular compound, the skeleton of plant is collectively formed with cellulose and hemicellulose, be that uniquely can provide renewable aryl
The non-oil resource of compound.Compared with other compositions in plant (cellulose, polysaccharide and protein), lignin is difficult drop
Solution, main cause is institute's ether-containing key and carbon-carbon bond category non-hydrolyzable chemical bond in benzene oxide monomer.Plant material is in pulping process
The lignin of middle degraded dissolution is referred to as industrial lignin, the lignin that the lignin in plant obtains with industrial separation, is tying
There is bigger difference on structure.Lignin is primarily present in the waste liquid of discharge caused by pulp and paper industry, and it is raw by industry
Main path of the production into the lignin of environment.Black liquor of pulp making is obtained by Ammonium Sulfite Method ryegrass pulping, can be obtained after drying, crushing
To lignin dry powder, although some research reports think that this lignin dry powder fertile can be used or improve soil property, closely
Research over year shows that actually it still has very big harm to ecological environment of soil and plant growth, is prepared into lignin dry
Powder may still not be effective good measure for solving papermaking waste pollution.
At present, the papermaking wastewater after papermaking, which directly discharges, to cause seriously to pollute to environment, and how to handle is still a disaster
Topic.In the research before applicant, it has been found possible to prepare charcoal using lignin and recycled, but this area will
The research that lignin charcoal made from papermaking wastewater is applied to fertilizer and soil improvement field deeper into ground is also seldom.
In view of this, it is special to propose the present invention.
The content of the invention
It is an object of the invention to provide a kind of charcoal fertilizer, to solve the wasting of resources and the ring that papermaking wastewater discharge is brought
Border pollution problem, and can further lift the fertilizer efficiency of existing charcoal fertilizer.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
The present invention relates to a kind of charcoal fertilizer, count in parts by weight, the charcoal fertilizer mainly includes：
50~70 parts of charcoal, 10~30 parts of attapulgite, 30~50 parts of sepiolite, dry 20~40 parts of manure of livestock and poultry, phosphorus
Sour 3~5 parts of an ammonium, 14~20 parts of calcium magnesium phosphate, 6~14 parts of potassium chloride, 8~12 parts of urea, 1~3 part of methyl cinnamate and
0.2~0.3 part of dicyandiamide；
The charcoal is that papermaking wastewater lignin dry powder is prepared through high temperature pyrolysis.
Charcoal can adsorb the organic matter of soil when as fertilizer, and its outstanding biological stability can also promote soil
The formation of earth humus, soil fertility is constructed, charcoal can also effectively adjust following for the nutrients such as soil N P, K in addition
Ring, improve the ability of soil water-reataining fertilizer-keeping.Charcoal used in the present invention is to be prepared using papermaking wastewater lignin as raw material,
Not only effect is good, can also effectively solve the problems, such as papermaking waste pollution processing, and lignin be also enriched in itself nutrient and
Various trace elements, it can meet needed for plant growth.
Attapulgite and sepiolite can be used as binding agent and pelletizing additives, improve the granulating rate of fertilizer, and particle is strong
Degree height does not lump, and does not get damp.Importantly, attapulgite and sepiolite can also stick as the carrier of slow releasing function, fertilizer
It is attached thereto to form uniform porous network system, so as to promote the uniform slowly release of fertilizer fertility, promote charcoal
The performance of effect；In addition, it more has certain soil conditioning effect concurrently.
Methyl cinnamate is a kind of common root exudates, is often taken as allelochemical or other effect materials pair before
Treat, the research on its ecological functions etc. in soil is extremely short of.The present invention passes through pure strains cultivation and soil addition examination
Test, it was demonstrated that methyl cinnamate has good nitrification inhibition, can be applied as biological nitration inhibitor, and have
Nitrification inhibition well.Using methyl cinnamate and dicyandiamide as nitrification inhibitor compounding use, it is remarkably improved
Inhibition, the process of soil nitrification can be slowed down, there is provided ensure that environment needed for crop while nutrient to greatest extent
Safety.
The invention further relates to the preparation method of charcoal fertilizer as described above, including：
By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urine
Element, methyl cinnamate and dicyandiamide mix, is granulated and produces.
This method is simple to operate, easy to implement.
According to an aspect of the present invention, the answering as corn depot fertilizer the invention further relates to charcoal fertilizer as described above
With.
For the fertilizer when as corn Fertilizer application, single-dose application can discharge fertilizer efficiency long-acting, sustained release, and with nitrification
Inhibitor, nitrogen demand can be met for a long time.
Compared with prior art, beneficial effects of the present invention are：
(1) charcoal fertilizer provided by the present invention can slow-release nutrient material, fertilizer efficiency is good, and the fertilizer efficiency duration grow,
Plant growth can be effectively facilitated.
(2) after charcoal fertilizer provided by the present invention is manured into soil comprising nitrification inhibitor, N element conversions can obtain effective tune
Control.
Embodiment
The present invention relates to a kind of charcoal fertilizer, count in parts by weight, including：
50~70 parts of charcoal, 10~30 parts of attapulgite, 30~50 parts of sepiolite, dry 20~40 parts of manure of livestock and poultry, phosphorus
Sour 3~5 parts of an ammonium, 14~20 parts of calcium magnesium phosphate, 6~14 parts of potassium chloride, 8~12 parts of urea, 1~3 part of methyl cinnamate and
0.2~0.3 part of dicyandiamide；
The charcoal is that papermaking wastewater lignin dry powder is prepared through high temperature pyrolysis.
Preferably, charcoal fertilizer as described above, is counted in parts by weight, including：
55~65 parts of charcoal, 15~25 parts of attapulgite, 35~45 parts of sepiolite, dry 25~35 parts of manure of livestock and poultry, phosphorus
Sour 3.5~4.5 parts of an ammonium, 16~18 parts of calcium magnesium phosphate, 8~12 parts of potassium chloride, 9~11 parts of urea, methyl cinnamate 1.5~
2.5 parts and 0.22~0.28 part of dicyandiamide.
Preferably, charcoal fertilizer as described above, is counted in parts by weight, including：
60 parts of charcoal, 20 parts of attapulgite, 40 parts of sepiolite, dry 30 parts of manure of livestock and poultry, 4 parts of MAP, calcium and magnesium phosphorus
0.25 part of 17 parts of fertilizer, 10 parts of potassium chloride, 10 parts of urea, 2 parts of methyl cinnamate and dicyandiamide.
Preferably, charcoal fertilizer as described above, the particle diameter of the attapulgite and the sepiolite is 160~200
Mesh；
It is furthermore preferred that particle diameter is 170~190 mesh, 180 mesh can also be selected.
Preferably, charcoal fertilizer as described above, the lignin dry powder are by paper mill Ammonium Sulfite Method paper-pulping black liquor
Obtained after drying, crushing.
Preferably, charcoal fertilizer as described above, the preparation method of the charcoal are specially：
The lignin dry powder is positioned in the stainless steel reactor with lid, and 400~600 DEG C in Muffle furnace
It is pyrolyzed 1.5h~2.5h；
It is furthermore preferred that 500 DEG C of pyrolysis 2h.
Preferably, charcoal fertilizer as described above, the dry manure of livestock and poultry include chicken manure, duck excrement, pig manure, horsehit, cow dung
And the one or more in sheep manure.
Preferably, charcoal fertilizer as described above, cow dung accounts for 60wt%~70wt% in the dry manure of livestock and poultry, and chicken manure accounts for
30wt%~40wt%.
The invention further relates to the preparation method of charcoal fertilizer as described above, including：
By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urine
Element, methyl cinnamate and dicyandiamide mix, is granulated and produces.
According to an aspect of the present invention, the answering as corn depot fertilizer the invention further relates to charcoal fertilizer as described above
With.
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or the unreceipted production firm person of instrument, it is
The conventional products obtained can be bought by market.
Embodiment 1
A kind of charcoal fertilizer is present embodiments provided, including：
Charcoal 50g, attapulgite 10g, sepiolite 50g, drying manure of livestock and poultry 20g, (cow dung accounts for 60wt%, and chicken manure accounts for
40wt%), MAP 5g, calcium magnesium phosphate 14g, potassium chloride 14g, urea 8g, methyl cinnamate 1.6g and dicyandiamide 0.2g；
Wherein, the particle diameter of the attapulgite and the sepiolite is 200 mesh；
The preparation method of the charcoal is：Paper mill Ammonium Sulfite Method paper-pulping black liquor is collected, it is small that 24 are dried at 80 DEG C
When to remove moisture.Lignin dry powder is placed on to the cylindrical stainless steel of 14.5cm height and 7.5cm internal diameters with lid
In reactor, and 600 DEG C of pyrolysis 1.5h in Muffle furnace (2116, Thermo Scientific, America).Then will reaction
Device is cooled to room temperature in stove.
By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urine
Element, methyl cinnamate and dicyandiamide mix, is granulated and produces.
Embodiment 2
A kind of charcoal fertilizer is present embodiments provided, including：
Charcoal 70g, attapulgite 30g, sepiolite 30g, drying manure of livestock and poultry 40g, (cow dung accounts for 70wt%, and chicken manure accounts for
30wt%), MAP 3g, calcium magnesium phosphate 20g, potassium chloride 6g, urea 12g, methyl cinnamate 2.4g and dicyandiamide 0.3g；
Wherein, the particle diameter of the attapulgite and the sepiolite is 160 mesh；
The preparation method of the charcoal is：Paper mill Ammonium Sulfite Method paper-pulping black liquor is collected, it is small that 24 are dried at 80 DEG C
When to remove moisture.Lignin dry powder is placed on to the cylindrical stainless steel of 14.5cm height and 7.5cm internal diameters with lid
In reactor, and 400 DEG C of pyrolysis 2.5h in Muffle furnace (2116, Thermo Scientific, America).Then will reaction
Device is cooled to room temperature in stove.
By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urine
Element, methyl cinnamate and dicyandiamide mix, is granulated and produces.
Embodiment 3
A kind of charcoal fertilizer is present embodiments provided, including：
Charcoal 60g, attapulgite 20g, sepiolite 40g, drying manure of livestock and poultry 30g, (cow dung accounts for 65wt%, and chicken manure accounts for
35wt%), MAP 4g, calcium magnesium phosphate 17g, potassium chloride 10g, urea 10g, methyl cinnamate 2g and dicyandiamide 0.25g；
Wherein, the particle diameter of the attapulgite and the sepiolite is 180 mesh；
The preparation method of the charcoal is：Paper mill Ammonium Sulfite Method paper-pulping black liquor is collected, it is small that 24 are dried at 80 DEG C
When to remove moisture.Lignin dry powder is placed on to the cylindrical stainless steel of 14.5cm height and 7.5cm internal diameters with lid
In reactor, and 500 DEG C of pyrolysis 2h in Muffle furnace (2116, Thermo Scientific, America).Then by reactor
Room temperature is cooled in stove.
By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urine
Element, methyl cinnamate and dicyandiamide mix, is granulated and produces.
Nitrification inhibitor compounding effect in the charcoal fertilizer of experimental example 1
(1) the suppression experiment to pure ammonia oxidizing bacteria Nitrosomonas europaea (ATCC 19718)：
Nitrosomonas europaea pure culture base (contains 2.5g (NH in 1L sterilized waters4)2SO4,0.5g KH2PO4,5mg
CaCl2.2H2O,0.1g MgSO4.7H2O,0.5g NaHCO3,1g NaCl,1mL 75mg FeNaEDTA,11.92g HEPES)
It is middle add various concentrations methyl cinnamate, to nitro-methyl cinnamate, DMPP and dicyandiamide (abbreviation DCD) calculate caused by
NO2 -- N concentration, nitrification inhibition is reacted with NPI：
Nitrite production inhibiting rate Nitrite production inhibition (NPI%)=(1- (NO2 - sample-
NO2 - initial)/(NO2 - control-NO2 - initial)) × 100%
Result of the test：NPI%
Result above is briefly described：As can be seen that when the addition concentration of methyl cinnamate reaches 1mM, (1 mM every
Rise) when, its nitrosation process inhibiting rate to Nitrosomonas europaea reach 100%, 0.1mM also have very may be used
The inhibition (reaching 98.8%) of sight, with the reduction of addition concentration, inhibition gradually weakens.DMPP is most general at present
All over and generally acknowledge the best nitrification inhibitor of effect, therefore the application using DMPP products as control, it can be seen that higher
When concentration is added, the effect that methyl cinnamate suppresses nitrification is close with DMPP, and low concentration is slightly less than DMPP when adding.It is all
Cinnamic acid derivative to nitrify inhibition to nitro-methyl cinnamate very poor.
Simultaneously it has been found that methyl cinnamate and DCD compoundings can be obviously improved into its nitrite production inhibiting rate, with
Total mole number is 0.01mM, sets the methyl cinnamate of different mol ratio：DCD experimental group carries out experimental verification；Simultaneously with it is total
Molal quantity is the methyl cinnamate of 0.01mM different mol ratios：DMPP control group is compared, and is repeated to Nitrosomonas
Europaea suppression experiment, it is as a result as shown in the table：
As can be known from the above table, by methyl cinnamate and DCD compounding have significant synergies, especially methyl cinnamate with
DCD mol ratio is 4:Synergistic effect is especially notable when 1, or even has more preferably inhibition than DMPP is used alone.But meat
Acid methylester does not show synergistic effect with DMPP.
For further checking methyl cinnamate and DCD compounding effect, applicant uses Nitrosospira
Multiformis ATCC 25196 (N1), two kinds of Nitrosococcus oceani ATCC 19707 (N2) common ammonia oxygen
Change bacterium further carries out nitrite production Inhibition test and verified, wherein the total addition level of various inhibitor is
0.01mM, methyl cinnamate and DCD mol ratio are 4 in methyl cinnamate-DCD compounding groups:1；To nitro-methyl cinnamate-
4 are similarly to the mol ratio of nitro-methyl cinnamate and DCD in DCD compounding groups:1.As a result it is as shown in the table.
As can be known from the above table, methyl cinnamate also has good inhibition to N1, N2, and methyl cinnamate-DCD is compounded
Group best results.
(2) pedotheque (15g, oven-dry weight) is added in 100mL conical flasks, with distillation water process to reach
40% moisture-holding capacity (water holding capacity).Sample is incubated 7 days with stabilised microorganism in the dark at 25 DEG C
Activity.Then the aerobic culture experiment of 28 days is carried out, to study the reaction that soil nitrification adds to different nitrification inhibitors.Will
NH4Cl solution is added in each conical flask to provide 400mg N kg-1The NH of native (dry ground calculating)4Cl solution.It is following
The dosage of group nitrification inhibitor is 100 μm of ol kg-1In dry ground, wherein methyl cinnamate-DCD compoundings group methyl cinnamate and
DCD mol ratio is 4:1；To in nitro-methyl cinnamate-DCD compounding groups to the mol ratio of nitro-methyl cinnamate and DCD
It is similarly 4:1.The 3rd, 7, the 14 and 28 day measure NH in incubation4 +- N and NO3 -- N concentration, is calculated by below equation
Nitrifying inhibition rate (NI)：
Nitrification inhibition Nitrifying inhibition rates (NI%)=(the Nitrification rate nitrification of control
The Nitrification rate nitrification rate in sample of rate in control- samples)/control Nitrification rate
Nitrification rate in control × 100%
Explanation：Control refers to the experimental group for being not added with nitrification inhibitor, and sample refers to the experimental group of addition nitrification inhibitor.
Nitrification rate nitrification rate (%)=NO in above formula3 --N/(NH4 +-N+NO3 -- N) × 100%
Result above is briefly described：As can be seen that methyl cinnamate can keep more steady in 28 days in soil incubation
Fixed Nitrifying inhibition rate (＞ 25%), but its effect in soil is poorer than the nitrification inhibitor DMPP of commercialization.But Chinese cassia tree
Sour methyl esters-DCD compounding group effects are but obviously improved with DMPP ratios.It is poor to nitro-methyl cinnamate nitrification inhibition, with
Synergistic effect is not present in DCD compoundings.
Application of the charcoal fertilizer of experimental example 2 in corn planting
Experiment is Zheng Dan 958 with corn variety, and experiment is Fluvo-Aquic Soils with soil, collected from Shandong Province Gaotang County Zhao Zhuan villages
Experimental field 0~20cm topsoils.Physiochemical properties of soil：PH value 8.48, organic matter 18.4gkg-1, full nitrogen 1.02gkg-1,
Full phosphorus 1.89gkg-1, full potassium 3.85gkg-1, alkali-hydrolyzable nitrogen 52.41mgkg-1, rapid available phosphorus 13.82mgkg-1, available potassium
120mg·kg-1.After soil air-dries, ground 2mm sieves are for pot experiment.Add native 7.5kg per basin.Corn seed is soaked seed 12h
Afterwards, in pearlite interstitial substance culture nursery.When maize seedling length to 2 complete leaves, transplant in basin, per 1 plant of maize seedling of basin.
It is 1.0gkg per basin fertilizer applied amount-1(dry ground), single-dose application, no longer top dressing are only done, totally 7 processing, often
Individual processing is repeated 3 times.Specific test process fertilizer applications see the table below：
Assay method is：
Corn measures plant height after transplanting 3 months；After harvest corn, finish, dry immediately, then claim stalk and seed respectively
Dry weight.And then the stalk of drying and seed are crushed respectively, reference《Soil Analysis in Agricultural Chemistry》(Bao Shidan chief editors) determines respectively
The nitrogen content of stalk and seed.
Influence of each group fertilizer of table 1 to corn plant height
| Group | Plant height (cm) |
| CK | 124.5d |
| LB | 162.7a |
| Con1 | 138.7c |
| Con2 | 152.4b |
| Con3 | 148.8b |
| Con4 | 87.4e |
| Con5 | 140.1bc |
As it can be seen from table 1 papermaking wastewater lignin is directly manured into soil (Con4) to corn in moisture soil as fertilizer
Growth is very unfavorable, and its plant height is even substantially less than the CK processing do not applied fertilizer, and papermaking wastewater lignin is processed as into charcoal
It can substantially increase corn plant height with CK using (LB, Con1-3, Con5) is then relative.In addition, with LB plant height in all processing
Highest, and be significantly higher than Con1-3,5 groups, illustrate after papermaking wastewater lignin is processed as into charcoal, and with attapulgite, sea
The fertilizer efficiency that particular organisms charcoal fertilizer is made in the compoundings such as afrodite, methyl cinnamate is best.
Influence of each group fertilizer of table 2 to maize straw and seed biomass
| Group | Straw biological amount (gpot-1) | Seed biomass (gpot-1) |
| CK | 64.8d | 27.7e |
| LB | 131.9a | 68.0a |
| Con1 | 102.3c | 46.7d |
| Con2 | 117.6b | 61.5b |
| Con3 | 110.7bc | 52.8c |
| Con4 | 43.4e | 18.9f |
| Con5 | 99.3c | 50.3c |
Equally, as known from Table 2, influence of each group fertilizer to maize straw and seed biomass is also substantially similar to plant height.
Con4 is very unfavorable to the biomass of maize straw and seed, the CK processing that its numerical value does not apply fertilizer substantially less than, illustrates papermaking
Waste liquor lignin, which is directly manured into soil, seriously suppresses corn normal growth.In all processing, still with LB stalk, seed biomass
Highest, and it is significantly higher than other processing, further prove after papermaking wastewater lignin is processed as into charcoal, and and concave convex rod
Soil, sepiolite, methyl cinnamate etc. carry out compounding particular organisms charcoal fertilizer are made being obviously promoted corn growth effect.
Influence of each group fertilizer of table 3 to maize straw and seed nitrogen content
| Group | Stalk leaded wastewater (%) | Seed leaded wastewater (%) |
| CK | 0.83d | 1.49e |
| LB | 1.05a | 1.76a |
| Con1 | 0.96bc | 1.62c |
| Con2 | 1.02b | 1.72b |
| Con3 | 1.01b | 1.69b |
| Con4 | 0.92c | 1.55d |
| Con5 | 0.99b | 1.68b |
From table 3 it can be seen that LB processing also significantly increases the nitrogen content in maize straw and seed, its numerical value is all
Highest in processing.This also illustrates after papermaking wastewater lignin is processed as into charcoal, and with attapulgite, sepiolite, cinnamic acid
Particular organisms charcoal fertilizer, which is made, in methyl esters etc. can improve the nitrogen nutrition of soil, promote the Nitrogen Absorption of corn, so as to be effectively improved
Corn quality, improve utilization rate of nitrogen fertilizer.
Corn yield is high, nitrogen requirement is big, and in China, cultivated area is wider.But during corn planting, peasant habit in
During nitrogenous fertilizer is disposably manured into soil in corn seeding, cause most of nitrogen because corn is few to Nitrogen Absorption in early stage
It is lost in.It was found from experimental example 1 and 2, charcoal fertilizer provided by the present invention can effectively suppress nitrification, so as to postpone urea
Deng conversion of the nitrogenous fertilizer in soil to nitrate nitrogen, N fertilizer losses are reduced, moreover it is possible to avoid early stage N fertilizer supplies from excessively causing burn seedlings.In addition
Charcoal, attapulgite, sepiolite may also function as slow releasing function, can extend the conventional nitrogenous fertilizer such as urea in the corn growth later stage
For nitrogen ability, promote corn growth, improve corn yield and quality.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, but it will be understood by those within the art that：Its
The technical scheme described in foregoing embodiments can still be modified, either to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention skill
The scope of art scheme.
Claims (10)
- A kind of 1. charcoal fertilizer, it is characterised in that count in parts by weight, including：50~70 parts of charcoal, 10~30 parts of attapulgite, 30~50 parts of sepiolite, dry 20~40 parts of manure of livestock and poultry, phosphoric acid one 3~5 parts of ammonium, 14~20 parts of calcium magnesium phosphate, 6~14 parts of potassium chloride, 8~12 parts of urea, 1~3 part of methyl cinnamate and double cyanogen 0.2~0.3 part of amine；The charcoal is that papermaking wastewater lignin dry powder is prepared through high temperature pyrolysis.
- 2. charcoal fertilizer according to claim 1, it is characterised in that count in parts by weight, including：55~65 parts of charcoal, 15~25 parts of attapulgite, 35~45 parts of sepiolite, dry 25~35 parts of manure of livestock and poultry, phosphoric acid one 3.5~4.5 parts of ammonium, 16~18 parts of calcium magnesium phosphate, 8~12 parts of potassium chloride, 9~11 parts of urea, 1.5~2.5 parts of methyl cinnamate And 0.22~0.28 part of dicyandiamide.
- 3. charcoal fertilizer according to claim 2, it is characterised in that count in parts by weight, including：60 parts of charcoal, 20 parts of attapulgite, 40 parts of sepiolite, dry 30 parts of manure of livestock and poultry, 4 parts of MAP, calcium magnesium phosphate 17 Part, 10 parts of potassium chloride, 10 parts of urea, 2 parts of methyl cinnamate and 0.25 part of dicyandiamide.
- 4. according to the charcoal fertilizer described in any one of claims 1 to 3, it is characterised in that the attapulgite and the Hai Pao The particle diameter of stone is 160~200 mesh.
- 5. according to the charcoal fertilizer described in any one of claims 1 to 3, it is characterised in that the lignin dry powder is by papermaking Factory's Ammonium Sulfite Method paper-pulping black liquor obtains after drying, crushing.
- 6. charcoal fertilizer according to claim 5, it is characterised in that the preparation method of the charcoal is specially：The lignin dry powder is positioned in the stainless steel reactor with lid, and 400~600 DEG C of pyrolysis in Muffle furnace 1.5h~2.5h.
- 7. according to the charcoal fertilizer described in any one of claims 1 to 3, it is characterised in that the dry manure of livestock and poultry include chicken manure, One or more in duck excrement, pig manure, horsehit, cow dung and sheep manure.
- 8. charcoal fertilizer according to claim 7, it is characterised in that in the dry manure of livestock and poultry cow dung account for 60wt%~ 70wt%, chicken manure account for 30wt%~40wt%.
- 9. the preparation method of the charcoal fertilizer described in any one of claim 1~8, it is characterised in that including：By the charcoal, attapulgite, sepiolite, dry manure of livestock and poultry, MAP, calcium magnesium phosphate, potassium chloride, urea, meat Acid methylester and dicyandiamide mix, is granulated and produces.
- 10. application of the charcoal fertilizer as corn depot fertilizer described in any one of claim 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092224.XA CN107628916B (en) | 2017-11-08 | 2017-11-08 | A kind of charcoal fertilizer and preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092224.XA CN107628916B (en) | 2017-11-08 | 2017-11-08 | A kind of charcoal fertilizer and preparation method and application |
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| Publication Number | Publication Date |
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| CN107628916A true CN107628916A (en) | 2018-01-26 |
| CN107628916B CN107628916B (en) | 2018-06-26 |
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| CN115486346A (en) * | 2022-09-28 | 2022-12-20 | 中国农业科学院都市农业研究所 | Culture medium for carbon sequestration and emission reduction and preparation method thereof |
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| CN108088842A (en) * | 2018-02-23 | 2018-05-29 | 江西省农业科学院土壤肥料与资源环境研究所 | A kind of system and method for measuring soil with organic matter |
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| CN115259962A (en) * | 2021-12-22 | 2022-11-01 | 淮阴师范学院 | Preparation method of livestock and poultry manure biochar-based slow-release phosphorus-potassium fertilizer |
| CN115259962B (en) * | 2021-12-22 | 2023-07-18 | 淮阴师范学院 | Preparation method of livestock manure biochar-based slow-release phosphorus-potassium fertilizer |
| CN115486346A (en) * | 2022-09-28 | 2022-12-20 | 中国农业科学院都市农业研究所 | Culture medium for carbon sequestration and emission reduction and preparation method thereof |
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