CN110041937A - A kind of soil conditioner and its preparation method and application - Google Patents
A kind of soil conditioner and its preparation method and application Download PDFInfo
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- CN110041937A CN110041937A CN201910436031.4A CN201910436031A CN110041937A CN 110041937 A CN110041937 A CN 110041937A CN 201910436031 A CN201910436031 A CN 201910436031A CN 110041937 A CN110041937 A CN 110041937A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of soil conditioners, including following components: gasification residue, ammonium sulfate, sulphur, flyash, bentonite.Soil conditioner raw material materials convenience of the present invention, it is at low cost；The half of its raw material bulk density deficiency soil helps to improve saline and alkaline, hardened soil porosity structure, increases water holding, the fertilizer-preserving ability of soil.
Description
Technical field
The present invention relates to agriculture fields, more particularly to a kind of soil conditioner and its preparation method and application.
Background technique
Soil is the most basic means of production of the mankind, is material base for the survival of mankind.Currently, northern China has closely
4.95 hundred million mu of desertification, about 13.05 hundred million mu of grass-land deteriorations.In China, because the factors of soil formation or human factor cause to have
The soil of obstruction factor there is also considerable proportion, including corrode, quality is bad, structure or tilth are poor, it is saline and alkaline, be acidified,
Noxious material pollution etc..Erdos and periphery arid, semiarid zone are dispersed with low yield in a large amount of salt alkaline, dust storm type etc.
Field, the management due to a lack of science cause crop indispensable element in soil to be lost serious, crop yield and quality decline, seriously affect
The productivity effect of land output and peasant limits the development of local agricultural.
Nowadays enterprise is both needed to put forth effort to make circulation, green, low-carbon economy, accomplishes that ' three wastes ' effectively and reasonably utilize, and with
Develop coal chemical industry, the large-scale joint chemical company that Salt and soda chemical industry is leading industry, by its annual about 900,000 tons of feed coal of consumption, combustion
For 400,000 tons of coal of material, every annual meeting generates ten thousand tons of flyash of about 6-8,50,000 tons of boiler slags, 200,000 tons of gasification residues.Wherein
Boiler slag and part flyash are produced and are further efficiently used for garden cement plant and brick field, and 200,000 tons remaining
Gasification residue is nowadays also efficiently utilized without good method, is generally to send at the fixed stacking in garden.Largely
Gasification residue stacking not only occupies a large amount of soils, pollution air, while increasing processing cost.
Summary of the invention
Low based on gasification residue utilization rate, there are land occupation resource and pollution air, applicant are applied to soil
Earth field is studied, and discovery gasification residue helps to improve soil porosity, is increased water holding, the fertilizer-preserving ability of soil, is increased
Add the soil organism, cation exchange capacity (CEC), full phosphorus equal size.
The purpose of the present invention is to provide a kind of soil conditioners, using the residue that gasifies as primary raw material.
In order to achieve the above-mentioned object of the invention, technical scheme is as follows:
A kind of soil conditioner, including following components: gasification residue, ammonium sulfate, sulphur, flyash, bentonite.Research and development
It was found that the water holding capacity of soil can effectively be enhanced by adding a certain amount of gasification residue in the soil, and soil can be made
Unite, conducive to the growth of microorganism.
Gasification residue is the residuals after water-coal-slurry is burnt under the conditions of pure oxygen in gasification furnace；Flyash is with clinker
Coal-burning boiler burn under air conditions after residuals.
In a specific embodiment of the invention, according to parts by weight, including following components: gasification residue 78-82 parts, sulfuric acid
7-10 parts of ammonium, 1-3 parts of sulphur, 4-6 parts of flyash, 4-6 parts of bentonite.
In a specific embodiment of the invention, according to parts by weight, including following components: gasification 80 parts of residue, ammonium sulfate 8
Part, 2 parts of sulphur, 5 parts of flyash, 5 parts of bentonite.
In one specific embodiment of the application, included the following components'mass percentage in the gasification residue CaO >=
15.0%, MgO >=5.0%, SiO2>=18.0%.The too low product that will cause of each component content does not meet standard requirements,
Any one of product standard is unqualified, determines that product is unqualified.
In a specific embodiment of the invention, the flyash and bentonite are used to be used as bonding agent.Research finds that partial size exists
325 mesh are hereinafter, flyash and bentonitic adhesive property are more preferable.
In a specific embodiment of the invention, the preparation method of the gasification residue, including the following contents: it takes in feed coal
Water-coal-slurry is made with slurries additive agent, burns under the conditions of pure oxygen, the product after burning is cooled and solidified, then broken to get powder
The gasification residue of shape.The time of burning controlled within 1 second.The temperature of burning is 1350-1450 DEG C.Herein described water coal
Slurry additive is conventional commercial product, can be using all slurries additive agents referred in existing disclosed document either etc.
The additive of effect, dosage is also referring to the use ratio in existing disclosed document.
It is found surprisingly that the gasification residue being prepared contains several micropores, the effect of water storage water conservation is obvious, has
Conducive to the content for increasing solubility in citric acid silicon, convenient for being absorbed by crops.
Gasification residue after full combustion flows downward to be cooled and solidified into bottom shock chamber, residual by cured gasification
It stays object to enter slag collector after break crusher machine, gasification residue processing center is then transported to by belt.
A specific embodiment of the invention, the preparation of the soil conditioner includes granule, pulvis.
A specific embodiment of the invention, the pH of the soil conditioner are 7.0-8.5.
The present invention also provides a kind of preparation methods of soil conditioner, including the following contents: making after each component is crushed
Grain, then drying, screening, cooling, coating to obtain the final product.
The feature of sandy soil maximum is exactly that quality is thick, and permeability is good, and soil is all that single-grain-shaped structure exists, and encounters level Four or more
Wind easily flows, and forms moving dunes.The most effectual way of improvement aeolian sandy soil seeks to be that the grains of sand are adhered to one another, is formed certain
Structure has certain preservation capacity of water and fertility, creates the environment for being conducive to plant growth.
The present invention also provides be used to improve and the application in rehabilitating soil by the soil conditioner.By soil conditioner
After being manured into soil, the quality of soil can be changed to a certain extent, bond grogs, form small crumb structure, while creation has
The condition of sharp microbial activities resists dust storm erosion so that upper soll layer forms microorganism skinning.The study found that the soil
The dosage of conditioner is 1000-2500Kg/ mus, and dosage is best in 2000Kg/ mus of effects.
The invention has the advantages that:
One, soil conditioner raw material materials convenience of the present invention, it is at low cost；The one of its raw material bulk density deficiency soil
Half, help to improve saline and alkaline, hardened soil porosity structure, increases water holding, the fertilizer-preserving ability of soil；The soil conditioner
PH7.0-8.5 can effectively adjust soils in south china acidification harm；The soil conditioner can reconstruct prone soil structure, increase sandy soil
Viscosity, reduce liquid manure be lost, play the role of retain water and nutrients；The soil conditioner has certain effect of increasing production, and uses
It can be benefited for many years within 1 year, different from the effect of chemical fertilizer.
Two, soil conditioner of the present invention is different from the effect of chemical fertilizer, and chemical fertilizer refers to must containing plants such as nitrogen, phosphorus, potassium
The single or compound chemical fertilizer of palpus nutrient, the n p k nutrition element that soil conditioner contains are very low, it is preferred that emphasis is improve
The soil texture does not provide the nutrients such as N P and K for plant growth.
Detailed description of the invention
Fig. 1 soil conditioner preparation flow figure；
Different Fertilization amount and corn yield One- place 2-th Order analysis chart in Fig. 2 embodiment 3.
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Gasification residue of the present invention, is prepared using following methods:
Addition slurries additive agent, which enters to mix in coal pulverizer with water, in feed coal is milled into water-coal-slurry, then by water coal
Slurry is transported to gasification burner, and water-coal-slurry and the oxygen from space division enter the combustion chamber of gasification furnace in the form sprayed, in 1300-
Full combustion under 1450 DEG C of high temperature.Gasification residue after full combustion flows downward to be cooled and solidified into bottom shock chamber, warp
It crosses cured gasification residue and enters slag collector after break crusher machine, gasification residual is then transported to by belt
Object processing center.
Embodiment 1
One, test objective
By carrying out plot experiment, understands effect of the soil conditioner difference usage amount in terms of repairing obstacle soil, be
It is widely applied and foundation is provided.
Two, materials and methods
(1) for trying soil conditioner: by the Inner Mongol, vast Chemical Co., Ltd. on the spot is produced, and dosage form is black solid
Grain.
(2) conventional civilian fertilizer: urea, Diammonium phosphate (DAP).
(3) for studying object: corn, kind are first jade 698.
(4) for trying place: being located at Wushen Banner Wudinghe River Zhenba sound Qaidam village for examination place.The ground soil is moisture soil, east
Through 109 ° 2 ' 16 ", 38 ° 25 ' 37 of north latitude ".
(5) experimental design and method
It tests and is carried out in Wushen Banner Wudinghe River town octave Qaidam village in November, -2016 in April, 2016.Test sets 2
A processing, 1 blank control:
Processing 1: application is for trying soil conditioner 1000kg/ mus+conventional fertilizer application；
Processing 2: application is for trying soil conditioner 2000kg/ mus+conventional fertilizer application；
Processing 3: conventional fertilizer application (30kg/ mus of 50kg/ mus+Diammonium phosphate (DAP) of urea).
Test sets 3 repetitions, totally 9 cells, the wide 8m in field plot, 12 meters long, plot area 96m2, random district's groups row
Column, minizone set isolation strip 1.5m, prevent string water string fertilizer.Arrangement schematic diagram such as 1 nine grids of table in field are arranged, and each cell is
96 square metres:
Test arrangement schematic diagram in 1 2016 Qaidam Nian Bayin of table
It is required according to experimental design, soil conditioner amount of application is respectively 1000kg/ mus, 2000kg/ mus；Method of administration:
Before spring plowed soils, is i.e. at the beginning of 4-5 months the end of month, first turns over, harrows broken, leveling field plots, the ridge of experimental plot is carried out,
Then soil conditioner is uniformly spread fertilizer over the fields by processing and is ploughed deeply in underground layer in corresponding cell, guarantee is mixed well with soil.
On May 1st, 2016 uses artificial strip sowing planting, spacing in the rows 29cm, line-spacing 51cm.October 1 pressed cell measurement corn yield.
(5) measuring method
Survey production method using theory: 1, sampling method: each cell takes 3 sampling points, 10 line-spacing meters of each sampling point amount at random
Average row is calculated away from 10 spacing in the rows calculate average spacing in the rows, and each sampling point takes 3 rows, and every row takes continuous 5 plants of corns, calculates sampling point
Average product measures missing seedling rate.2, it calculates: theoretical per mu yield (kg/ mus)=sampling point average product * 667* (1- missing seedling rate)/sample
Point area.
After the completion of survey on October 5 produces, soil sampling measures the pH value (NY/T 1121.2-2006) of soil 0-30cm, CEC
(NY/T 1121.5-2006), basicity, organic matter (NY/T 1121.6-2006), available nitrogen (DB13/T 843-2007), speed
Imitate phosphorus (NY/T 1121.-2014), available potassium (NY/T 889-2004), effective calcium (NY/T 1121.13-2006), effective magnesium
(NY/T 1121.13-2006), effective sulphur (NY/T 1121.14-2006), bulk density (NY/T 1121.4-2006) and full nitrogen
(NY/T 1121.24-2012) index content.
Three, test results and analysis
(1) influence of the amount of application to soil physical and chemical property is not had to for examination soil conditioner
According to 2 soil test of table the results show that processing 1 with processing 2 soil compared with the effective calcium of soil in conventional fertilizer application, effectively
Magnesium, effective sulphur and cation exchange capacity (CEC) (CEC) content all increase, and wherein CEC is improved, i.e., fertilizer conservation performance improves, and CEC's is big
Small is the important evidence for improveing soil and the rational application of fertilizer；And the soil of processing 1 and processing 2 compared with soil pH in conventional fertilizer application, bulk density,
Basicity is all substantially reduced；Since pH soil reduces, fixation of the soil to phosphorus element is reduced, content of available phosphorus in soil significantly increases
Add, the main reason is that there is a variety of phosphorus-containing compounds in soil, can constantly mutually convert, transformation efficiency and soil pH
There are certain correlation, pH is in 6.0-6.5, P availability highest in soil.
Influence of 2 soil conditioner of table to soil physico-chemical property
(2) influence of the soil conditioner different administration amount to corn yield.
It is examined according to the F of table 4 as can be seen that the source of variation tested illustrates the reliability of test data between processing.
From known to corn yield measurement result (being shown in Table 3), 2 yield highests are handled, are 896.59kg/ mus, are produced compared with conventional fertilizer application (processing 3)
Amount increases 76.89kg/ mus, volume increase 11.19%；Handling 1 yield is 866.86kg/ mus, increases 47.16kg/ mus compared with conventional fertilizer application,
Volume increase 7.50%；Conventional fertilizer application yield is minimum, is 819.70kg/ mus.
3 determination of yield result of table
4 yield analysis of variance table of table
Table 5 tests t check table between each processing
6 Multiple range test of table
Result progress variance analysis is produced to surveying, the results showed that (being shown in Table 4), difference is not significant between repeating, and difference arrives between processing
Up to extremely significant horizontal (F=60.72 > F0.01).It learns through significance of difference test (LSD method) and (is shown in Table 5), processing 1 and processing 2
Between difference it is not significant, processing 2 and processing 3 between difference it is extremely significant, processing 1 and processing 3 between difference it is extremely significant.
(3) influence of the application soil conditioner to corn biological character
It is recorded according to 7 corn growth stage of table it is found that longer with the corn pustulation period after soil conditioner improvement.There is extension to give birth to
Educate the effect of phase.
7 corn growth stage of table records (moon/day)
Four, conclusion
(1) 1000kg/ mus of application, 2000kg/ mus of soil conditioners hold the pH value, basicity and soil of alkali-affected soil
Weight all decreases, and available phosphorus, cation exchange capacity (CEC) (CEC) content improve.Wherein, most obvious to apply 2000kg/ mus of effect；
(2) 1000kg/ mu are applied, 2000kg/ mus of soil conditioners are compared with effective calcium of blank control, effective magnesium, effective
Sulphur, available nitrogen have a certain amount of raising；
(3) experiments have shown that, maize seedling is complete after applying the soil conditioner, and the pustulation period is long, can improve corn yield, there is one
Fixed effect of increasing production.7.50% can be increased production compared with blank control by applying 1000kg/ mus of soil conditioners；Apply 2000kg/ mus of soil
Conditioner can increase production 11.19% compared with blank control.
Embodiment 2
One, test objective
The test is tracking test, to understand the subsequent affect for applying soil conditioner, by each nutrient content of soil
Measurement, further determine that soil conditioner to the improved effect of obstacle soil, provide foundation to be widely applied.
Two, materials and methods
(1) maize planting again according to a conventional method.
(2) for studying object: corn, kind are first jade 698.
(3) for try place: for examination place the Wudinghe River town of Wushen Banner in 2015 mushroom beach village original experimental field on.
Three, test results and analysis
(1) influence of the amount of application to soil physico-chemical property is not had to for examination soil conditioner
According to 8 soil test of table the results show that processing 1 and the processing 2 relatively bulk density, pH and the basicity that compare all under
Drop, and the available phosphorus in available nutrient significantly improves, the main reason is that PH and basicity decline, reduce soil to phosphorus element
It is fixed.And processing 1 is increased with the cation exchange capacity (CEC) (CEC) that processing 2 relatively compares.Field arrangement schematic diagram such as embodiment 1.
Influence of 8 soil conditioner of table to soil physico-chemical property
(2) influence of the soil conditioner different administration amount to corn missing seedling rate.
It is examined according to the F of table 10 as can be seen that the source of variation tested illustrates the reliable of test data between processing
Property.From known to corn yield measurement result (being shown in Table 9), 2 yield highests are handled, are 847.65kg/ mus, compared with conventional fertilizer application (processing
3) yield increases 143.41kg/ mus, volume increase 20.36%；Handling 1 yield is 805.96kg/ mus, is increased compared with conventional fertilizer application
101.72kg/ mu, volume increase 14.44%；Conventional fertilizer application yield is minimum, is 704.24kg/ mus.
9 determination of yield result of table
(3) influence of the application soil conditioner to corn yield and the output value
10 yield analysis of variance table of table
Table 11 tests t check table between each processing
12 Multiple range test of table
Result progress variance analysis is produced to surveying, the results showed that (being shown in Table 10), difference is not significant between repeating, and difference reaches between processing
To extremely significant horizontal (F=54.09 > F0.01).It learns through significance of difference test (LSD method) and (is shown in Table 12), processing 1 and processing 2
Difference is not significant, and significant difference between processing 1 and processing 3, difference is extremely significant between processing 2 and processing 3.
(4) influence of the application soil conditioner to corn biological character
13 corn growth stage of table records (moon/day)
Four, conclusion
(1) yield result
It is examined according to the F of table 10 as can be seen that the source of variation tested illustrates the reliability of test data from processing.
Handling 1 yield is 805.96kg/ mus, is test according to t, which reaches extremely significant level to processing 2 and CK processing；Processing 2 produces
Amount is 847.65kg/ mus, is test according to t, also reaches extremely significant level to CK processing.As shown in Table 9, cell after treatment
Missing seedling rate is low.It can be seen that the soil conditioner has apparent production-increasing function to corn, and there are retain water and nutrients to soil and improve saline and alkaline
The effect of soil permeability.As long as application is rationally, there is no any side effect to soil and agricultural product quality.It is in varieties in saline-alkali areas
Application prospect can become better and better.
(2) corn growth stage character
It is recorded according to 13 corn growth stage of table it is found that longer with the corn pustulation period after soil conditioner improvement.There is extension
The effect of breeding time.
(3) reclamation result
According to 8 soil test of table the results show that processing 1 and the processing 2 relatively bulk density, PH and the basicity that compare all under
Drop, and the available phosphorus in available nutrient significantly improves, the main reason is that pH and basicity decline, reduce soil to phosphorus element
It is fixed.And processing 1 is increased, CEC high with the cation exchange capacity (CEC) (CEC) that processing 2 relatively compares, substantially representing soil may protect
The nutrient quantity held is high, i.e. the height of nutrient preserving capability, is the important evidence for improveing soil and the rational application of fertilizer.
Embodiment 3
One, test objective
It was tested by 2016, is tentatively obtained, soil conditioner is in the effective magnesium of improvement soil, effective calcium, cation exchange
It is obvious to measure (CEC), pH, bulk density etc. effect, and there is certain production-increasing function.When using soil conditioner, should correctly it slap
Dosage is held, dosage is too low to be difficult to reach improved effect, and dosage is excessively high, and it will cause the wastings of resources and economic benefit to reduce.Wushen Banner
Technique Popularizing plant test station for plant protection presides over the testing program of design science, by carrying out the examination of soil conditioner different administration amount cell
It tests, provides scientific basis for clear optimal use range.
Two, materials and methods
Soil conditioner: by the Inner Mongol, vast Chemical Co., Ltd. on the spot is produced, and dosage form is black solid particle.
(2) conventional civilian fertilizer: urea, Diammonium phosphate (DAP).
(3) crop: corn (first jade 698).
(4) for trying place: being experimental field set to the Wushen Banner Wudinghe River town village Du Gaerwan.Ground height above sea level 1214m, east longitude
108 ° 45 ' 23 ", 38 ° 11 ' 46 of north latitude ", annual rainfall 440.7mm in 2017, level of ground water 1m or so, soil are alkalization moisture soil.
Test topography is smooth, and soil fertility level is consistent, and irrigation conditions is good, 0-20cm soil test result before sowing in spring are as follows: pH 9.12, speed
Imitate potassium 68.86mg/kg, available phosphorus 1.84mg/kg, alkali-hydrolyzable nitrogen 8.18mg/kg, basicity 21%.
(5) experimental design and method
Test period: in November, -2017 in April, 2017；Test is arranged using random district's groups, and 3 processing, 1 are arranged altogether
Blank, 3 repetitions of each processing, totally 12 cells, the long 15m in field plot, wide 8m, plot area 120m2, minizone sets isolation
Row 1.5m.Use artificial strip sowing planting on May 1st, 2017, spacing in the rows 25cm, line-spacing 45.5cm, respectively processing is as follows:
Processing 1: application is for trying soil conditioner 278kg/ mus+conventional fertilizer application；
Processing 2: application is for trying soil conditioner 556kg/ mus+conventional fertilizer application；
Processing 3: application is for trying soil conditioner 1000kg/ mus+conventional fertilizer application；
CK:(conventional fertilizer application: base applies 15kg/ mus of Diammonium phosphate (DAP), imposes 30kg/ mus of urea).
The 12 palace lattice of simplified schematic diagram such as the following table 14 are arranged in field, and each cell is 96 square metres:
14 2017 years stifled gulfs Ga Er of table experimental plot arrangement schematic diagram
(6) fertilising and irrigation
Method of administration: before Yu Chunji is turned over, i.e. early and middle ten days in April are first turned over, harrow broken, leveling field plots, it is small to carry out test
Then the ridge in area uniformly spreads fertilizer over the fields soil conditioner by processing and ploughs deeply in underground layer in corresponding cell, guarantee and soil
It mixes well；Diammonium phosphate (DAP) is when corn planting as base manure applied once；Urea is as top dressing respectively at jointing stage, booting
3 phase, pustulation period point applications.To prevent string water string fertilizer, irrigation method uses trickle irrigation.
(7) Soil K+adsorption standard and determination of yield method
Test in September survey on the 27th produce after the completion of, take 0-20cm soil sample measure its pH value (NY/T 1121.2-2006),
CEC (NY/T 1121.5-2006), basicity (LY/T 1249-1999), organic matter (NY/T 1121.6-2006), available nitrogen
(DB13/T 843-2007), available phosphorus (NY/T 1121.-2014), available potassium (NY/T 889-2004), effective calcium (NY/T
1121.13-2006), effective magnesium (NY/T 1121.13-2006), effective sulphur (NY/T 1121.14-2006), bulk density (NY/T
1121.4-2006) and full nitrogen (NY/T 1121.24-2012) index content.
Survey production method:
1, sampling method: each cell takes 3 sampling points at random, and each sampling point takes 3 rows, and every row takes continuous 5 plants of corns, meter
The average product of sample prescription is calculated, and number takes 5 rows, 20 plants of calculating missing seedling rates of every row.
2, calculation formula:
Per mu yield (kg/667m2)=sampling point average product × 667 × (1- missing seedling rate) ÷ sampling point area
3 test results and analysis
Influence of the 3.1 soil conditioner different administration amounts to soil physical and chemical property
As shown in Table 15, processing 1 (application is for trying soil conditioner 278kg/ mus+conventional fertilizer application), processing 2 (are applied for examination
556kg/ mus+conventional fertilizer application of soil conditioner), the soil of processing 3 (apply for try soil conditioner 1000kg/ mus+conventional fertilizer applications)
Earth compared with calcium effective in CK (conventional fertilizer application: base applies 15kg/ mus of Diammonium phosphate (DAP), imposes 30kg/ mus of urea), effective magnesium, effective sulphur and
Cation exchange capacity (CEC) (CEC) content all increases.Wherein, the size of CEC is to improve the important evidence of soil and the rational application of fertilizer,
CEC is improved, i.e., fertilizer conservation performance improves；And processing 1, processing 2, handle 3 soil it is all bright compared with soil pH, bulk density, basicity in CK
It is aobvious to reduce；Since pH soil reduces, fixation of the soil to phosphorus element is reduced, available phosphorus content dramatically increases in soil.
Influence of the 15 conditioner different administration amount of table to soil physico-chemical property
Influence of the 3.2 soil conditioner different administration amounts to corn yield
According to table 17 as can be seen that the variation of test is between processing.As shown in Table 16, (application is for trying soil tune for processing 3
Manage agent 1000kg/ mus+conventional fertilizer application) yield highest, it is 843.00kg/ mus, increases 193.44kg/ compared with CK (conventional fertilizer application) yield
Mu, volume increase 29.78%；Processing 2 (application is for trying soil conditioner 556kg/ mus+conventional fertilizer application) yield is 796.61kg/ mus, compared with
CK (conventional fertilizer application) increases 147.05kg/ mus, volume increase 22.64%；(application is for soil conditioner 278kg/ mus of examination+routine for processing 1
Fertilising) yield be 713.25kg/ mu, compared with CK (conventional fertilizer application) increase 63.69kg/ mus, increase production 9.81%；CK (conventional fertilizer application) is produced
Measure it is minimum, be 649.56kg/ mus.
The 16 2017 years stifled gulf Ga Er rate schedules of table
17 analysis of variance table of table
18 Multiple range test of table
As shown in Table 17, difference is not significant between repeating, and difference reaches extremely significant level (F=112.8 > between processing
F0.01).Through the result of multiple comparisons (being shown in Table 18) it is found that processing 2 (application for try soil conditioner 556kg/ mus+conventional fertilizer applications),
Difference reaches extremely significant water between processing 3 (application is for trying soil conditioner 1000kg/ mus+conventional fertilizer application) and CK (conventional fertilizer application)
Flat, difference reaches extremely significant level between processing 3, processing 2 and processing 1, processing 1 (application for soil conditioner 278kg/ mus of examination+
Conventional fertilizer application) and CK (conventional fertilizer application) between difference reach the level of signifiance.
Influence of the 3.3 soil conditioner different administration amounts to corn biological character
By the investigation to corn each breeding time, difference, processing 1 (is applied for examination between each processing as seen from Table 19
278kg/ mus+conventional fertilizer application of soil conditioner), processing 2 (application for try soil conditioner 556kg/ mu+conventional fertilizer applications), handle 3
(conventional fertilizer application: base applies 15kg/ mus of Diammonium phosphate (DAP), imposes by (application is for trying soil conditioner 1000kg/ mus+conventional fertilizer application) and CK
30kg/ mus of urea) it sows simultaneously, it emerges simultaneously.It is observed that processing 1, processing 2,3 Miao Quan of processing, and grow fine；Processing 1,
Processing 2, processing 3 are high compared with CK corn kernel milk-line, illustrate that processing 1, processing 2,3 corn pustulation periods of processing are longer, wherein to handle 3
The most obvious, soil conditioner has the function of extending corn grouting.
19 corn growth stage of table records (moon/day)
3.4 soil conditioner different administration amount economic efficiency contrasts
According to table 20 it is found that income can be effectively improved by applying suitable soil conditioner.As soil conditioner is applied
The increase of dosage, yield are consequently increased, and Maximal amount is 1758.0kg/ mus, and yield is up to 943.76kg/ mus, according to
Benefit is parabolically regular with the increase of amount of application, and mu applies 924.67kg, most effective, is 1296.36 yuan/mu.
20 Efficiency Comparison table of table
It carries out soil conditioner amount of application and corn yield One- place 2-th Order is fitted, regression analysis amount of application and corn yield,
And Application techniques equation is established, draw yield and soil conditioner amount of application parabola (see Fig. 2).
Show that benefit equation is as follows further according to maize market selling price and for examination soil conditioner price:
Marginal benefit equation y=[optimum economic benefit dose=[(1-b) ÷ 2a]
4, conclusion
Test result shows that soil conditioner can effectively improve dyskinetic soil, improve effective calcium of soil, effective magnesium,
Effective sulfur content, hence it is evident that pH value, basicity and the soil weight for reducing alkali-affected soil improve the cation exchange capacity (CEC) of soil
(CEC), furthermore it is possible to significantly improve soil available phosphorus content.Wherein, with processing 3, (application is for trying soil conditioner 1000kg/
Mu+conventional fertilizer application) effect it is most obvious.
Corn missing seedling rate reduces after applying soil conditioner, and the pustulation period extends, and corn yield significantly improves.(the application of processing 3
For trying soil conditioner 1000kg/ mus+conventional fertilizer application) output increased is the most obvious, and per mu yield reaches 843.0kg.
Application 500kg-1000kg soil conditioner all has certain income per acre, and mu applies soil conditioner
924.67kg, economic benefit highest are 1296.36 yuan/mu.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection scope.
Claims (10)
1. a kind of soil conditioner, which is characterized in that including following components: gasification residue, ammonium sulfate, sulphur, flyash, swollen
Profit soil.
2. soil conditioner according to claim 1, it is characterised in that: according to parts by weight, including following components: gasification is residual
Stay 78-82 parts of object, 7-10 parts of ammonium sulfate, 1-3 parts of sulphur, 4-6 parts of flyash, 4-6 parts of bentonite.
3. soil conditioner according to claim 1, it is characterised in that: according to parts by weight, including following components: gasification is residual
Stay 80 parts of object, 8 parts of ammonium sulfate, 2 parts of sulphur, 5 parts of flyash, 5 parts of bentonite.
4. soil conditioner according to claim 1, it is characterised in that: include following quality percentage in the gasification residue
Component CaO >=15.0%, MgO >=5.0%, the SiO of ratio2>=18.0%.
5. soil conditioner according to claim 1, it is characterised in that: the flyash or bentonite partial size 325 mesh with
Under.
6. soil conditioner according to claim 1, it is characterised in that: the preparation of the soil conditioner include granule,
Pulvis.
7. soil conditioner according to claim 1, it is characterised in that: the preparation method of the gasification residue, including with
Lower content: taking in feed coal and water-coal-slurry is made in slurries additive agent, burns under the conditions of pure oxygen, and the product after burning is through cooling solid
Change, then the broken gasification residue to get powdery.
8. soil conditioner according to claim 1, it is characterised in that: the pH of the soil conditioner is 7.0-8.5.
9. a kind of preparation method of soil conditioner, it is characterised in that: be granulated after crushing each component, then drying, screening, cold
But, coating to obtain the final product.
10. soil conditioner is in improvement and the application in rehabilitating soil.
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| CN111557137A (en) * | 2020-04-16 | 2020-08-21 | 武汉市秀谷科技有限公司 | Application method of soil conditioner in standard farmland construction |
| CN112111282A (en) * | 2020-09-16 | 2020-12-22 | 国家能源集团宁夏煤业有限责任公司 | Soil conditioner, application thereof and soil conditioning and/or soil remediation method |
| CN115725303A (en) * | 2022-11-24 | 2023-03-03 | 内蒙古博大实地化学有限公司 | Saline-alkali soil conditioner and preparation method and application thereof |
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