CN110340122A - The restorative procedure of alkaline land soil after a kind of pollution - Google Patents
The restorative procedure of alkaline land soil after a kind of pollution Download PDFInfo
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- CN110340122A CN110340122A CN201910571133.7A CN201910571133A CN110340122A CN 110340122 A CN110340122 A CN 110340122A CN 201910571133 A CN201910571133 A CN 201910571133A CN 110340122 A CN110340122 A CN 110340122A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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Abstract
The invention discloses a kind of restorative procedure of alkaline land soil after pollution, this method repairs compound fertilizer and plantation Pinnate Beggarticks using salt-soda soil and is improved and repaired come the salt-soda soil after polluting to Chemical Manufacture and agricultural planting.The soil texture in salt-soda soil is effectively improved, saline and alkaline is reduced, improves nutrient composition content in soil, reduces the content of beary metal in soil, regulation effect is significant.
Description
Technical field
The invention belongs to alkaline land improving technical fields, specifically, are related to a kind of reparation of alkaline land soil after pollution
Method.
Background technique
As a large amount of chemical plant is to avoid living area and workspace, moved successively onto seashore beach, production process
The waste of middle generation, people usually live generation rubbish and plantation used in pesticide etc. can discharge and enter sea with river,
To deposit to the ground such as beach, wetland and tidal flat on the way, the deterioration of these soil is seriously exacerbated, the plant of this area is affected
Object growth replys the ecology in these areas and brings destructive strike.
Currently, generalling use following several method: physics and chemistry for the improvement of heavy metal and organic matter joint pollution
United restoration method, chemistry and Co-bioremediation method, plant and microbial association repairing method and Soil leaching recovery technique.Wherein
Chemical remediation be added modifying agent reduce pollutant biological effectiveness.Phytoremediation refer to using plant extract, absorb,
It decomposes, accommodate, the pollutant in transfer or conversion contaminated land or underground water, passing through plant itself biochemical reaction or the micro- life of root system
Object acts on, and the pollutant in purification soil or water body achievees the purpose that environment purification.Phytoremediation is divided into 5 seed types: plant mentions
It takes, phytovolatilization, plant stability, rhizosphere circle is biodegradable and root system filters.Wherein plant extract is current most study and most
The emphasis of promising phytoremediation mode, research is suitable for the desirable plants of plant extract, i.e. super enriching plant.
The typical feature of super enriching plant has: the removing toxic substances and fixation of absorbability relatively strong, with transfer ability from root system to cauline leaf, blade
Ability.Microorganism remediation technology comes heavy metal and organic matter in purification soil usually using two methods.One is by micro-
The biological effect of biology changes the chemical form of heavy metal in soil and organic matter, achievees the purpose that digestion or degradation.This side
Formula can substantially reduce the mobility and validity of noxious material in soil environment, be of great significance to control soil pollution；
Second is that microorganism can also can achieve the purpose of control soil pollution by absorbing and being metabolized heavy metal and organic matter.
Summary of the invention
It is an object of the present invention to provide a kind of restorative procedures of alkaline land soil after pollution.This method is repaired multiple using salt-soda soil
Complex fertilizer and plantation Pinnate Beggarticks are improved and are repaired come the salt-soda soil after polluting to Chemical Manufacture and agricultural planting, are reached
To the effect of environmentally protective Sustainable Treatment.
Technical solution of the present invention is as follows:
The restorative procedure of alkaline land soil after a kind of pollution, comprising the following steps:
A. arrange plot: selection plot first applies before administering and repairs 1500~2500 kilograms of compound fertilizer, per acre by ploughing
With leveling earth after rotary tillage；20~25 centimetres are ploughed deeply, ground is harrowed neat and well spaced flat；
B. Bidens bipinnata grass planting: in annual bunch planting in 3~April, by Bidens bipinnata grass seed with 20~30 degree water seed soaking 2~4 hours
After sowed, open cave by 33 centimetres of line-spacing, 24 centimetres of spacing in the rows, cave is 3~4 centimetres deep, broadcasts rear earthing；
C. field management: emerging for 10~15 days after plantation, at 6~8 centimetres of height of seedling, carries out thinning, fills the gaps with seedlings, seedling 3 is stayed in every cave
~4 plants；And it weeded with a hoe, impose the organic fertilizer repaired in compound fertilizer；It is applied again when growing vigorous in 1 reparation compound fertilizer
Organic fertilizer；
D. annual 8~October is picking time productive phase, and the beggar-ticks of harvesting is concentrated and is destroyed；
Wherein, it is 29~33:10~14:15~19:28~32:4~6:3~5 that the reparation compound fertilizer, which includes weight ratio:
0.5~1.5 nanometer humic acid, micro mist serpentine, micro mist diatomite, organic fertilizer, compound water retaining agent, alkaline land modifying agent and micro-
Biological pulvis.
Preferably, the reparation compound fertilizer includes nanometer humic acid, the micro mist that weight ratio is 31:12:17:30:5:4:1
Serpentine, micro mist diatomite, organic fertilizer, compound water retaining agent, alkaline land modifying agent and micro organism powder.
Preferably, the organic fertilizer include weight ratio be the muck of 20~40:10~20:15~25:10~20:4~8,
Straw, peanut meal, rotted leaf, vinegar grain (the above ingredient is drying regime).
Preferably, the compound water retaining agent by parts by weight be 70~80:10~20:4~6:1~2:1~2:0.5~
1.5 acrylic acid, wheat bran, tourmaline, sodium carboxymethylcellulose, N, N'- methylene-bisacrylamide and potassium peroxydisulfate are made.Its
Preparation process are as follows: weigh acrylic acid and neutralized with NaOH, be sufficiently mixed dissolution and form acrylic monomers solution；Weigh carboxymethyl
Sodium cellulosate is dissolved completely in distilled water, and suitable tourmaline and wheat bran are added thereto, and crosslinking agent is added after being uniformly dispersed
N, N'- methylene-bisacrylamide and initiator potassium persulfate form wheat bran mixed solution；Under constant temperature, mechanical stirring, by third
Acrylic monomer solution is added in wheat bran mixed liquor, until stopping stirring after there is gel phenomenon, is reacted 3 hours at a constant temperature；
After reaction, polymerizate is cut into 1 centimetre of side length of fritter, is soaked in 95% ethanol solution, by product after 12 hours
It takes out and is put under infrared lamp and dry, crush, cross 40~60 meshes, it is spare.
Preferably, the alkaline land modifying agent includes wood vinegar, aminoacids solution, the lignin that weight ratio is 3:3:2:2
Sodium, sepiolite powder.
Preferably, the micro organism powder includes the aspergillus niger that parts by weight are 3:2:2:1.5:1:1:1.5:2, Kazakhstan thatch wood
It is mould, sacculus is mould, streptomycete, produces nitrogen pseudomonad, Nocard's bacillus, plant growth-promoting rhizobacteria and endogenetic bacteria.
Preferably, aspergillus niger, Trichoderma harzianum, sacculus are mould in the micro organism powder, produce nitrogen pseudomonad, rhizosphere growth-promoting
The content of bacterium and endogenetic bacteria is respectively every gram, and there are also 0.5 × 109~1.5 × 109CFU、0.5×109~1.5 × 109CFU、
1.0×109~5.0 × 109CFU、1.0×109~5.0 × 109CFU、1.0×109~5.0 × 109CFU、2.0×109~6.0
×109CFU、4.0×109~8 × 109CFU and 4.0 × 109~8 × 109CFU。
Preferably, the partial size of the nanometer humic acid is 60 nanometers, and the fineness of micro mist serpentine is 100~200 mesh, micro-
The fineness of powder diatomite is 500 mesh.
Preferably, it carries out concentrating landfill after beggar-ticks harvesting in the step d or be burned after air-drying.To prevent secondary dirt
Dye.
By adopting the above-described technical solution, the beneficial effects of the present invention are:
1) present invention repairs nanometer humic acid, micro mist serpentine and micro mist diatomite in compound fertilizer and is passivated with heavy metal
The double action of material and alkaline land improving material, their particle is more tiny, therefore specific surface area is bigger, can be in the soil
Soil aggregate structure can be increased, improve interstices of soil situation, soil is improved to cation adsorption property, increase soil fertilizer energy
Power and soil beneficial microbe activity, promote nutrients release, regulate and control plant growth.Nanometer humic acid and micro mist diatomite therein
Outside with well known fertilizer efficiency, micro mist serpentine also has certain fertilizer efficiency, especially suitable for corn, potato, beans and root tuber,
Tuber crops；Directly with heavy metal (especially lead, cadmium etc.) chemistry, physical absorption can occur for above-mentioned three kinds of materials, and reduction has
Imitate state content of beary metal.
2) present invention repairs organic fertilizer in compound fertilizer and simultaneously lasting rapidly can mention through nutrient made of microorganism decomposition
Soil nutrient is supplied, and reduces soil pH value by producing the metal ion in acid, degradation or conversion soil, changes soil knot
Structure has protected plant nutrient equilibrium, and supplement plant nutrient promotes root system development, thus promote the growth and breeding of rhizosphere microorganism, into
One step accelerates the conversion to heavy metal and organic pollutant to degrade.
3) present invention repairs compound water retaining agent in compound fertilizer and is applied in soil, can significantly improve the retentiveness of soil
And pore-creating character, positive facilitation is generated to soil physical properties are improved；The water-retaining agent is mixed with fertilizer to be prepared into
Water-retaining slow-release fertilizer.
4) salt-soda soil can be effectively reduced in the wood vinegar in present invention reparation compound fertilizer in alkaline land modifying agent and aminoacids solution
PH value, increases soil nutrient, and lignin sodium and sepiolite powder can effectively adjust soil texture, absorption heavy metal etc., be conducive to plant
The growth of object.
5) present invention repairs the metal ion that the bacterium in compound fertilizer in micro organism powder can convert, be enriched in nature
(including heavy metal), degradation organic matter (including organic pollutant), by nutritional ingredient supply plant utilize, also reduction heavy metal,
Organic pollutant (pesticide etc.) cooperates with the resistance for increasing plant to the coercion of plant；When decomposing organic matter
Acid can also be produced, for reducing the pH value in salt-soda soil；Aspergillus niger, Nocard's bacillus can DDT and enemy hundred effectively in degrading pesticide
Worm, other bacterium have different degradations to different pesticide or organic pollutant；Aspergillus niger can also repair copper, cadmium, lead,
Zinc etc.；Endogenetic bacteria repairs cadmium, chromium etc..
6) present invention utilizes its root using the toxicant in the degradation of plantation beggar-ticks or removal contaminated soil, beggar-ticks
And its pollutants such as heavy metal are accumulated, precipitated and converted by secretion, reduce the activity and toxicity of heavy metal, improve soil micro-loop
Border has preferable enrichment especially to lead and cadmium.And nearby soil is conducive to microorganism to the rhizosphere after improving again
Growth and breeding further promotes plant growth and soil texture variation, eliminates the activity of pollutant.
In short, the present invention makes Chemical Manufacture and agricultural planting using reparation compound fertilizer, and plantation beggar-ticks is applied
It is administered at salt-soda soil after pollution, effectively improves the soil texture in salt-soda soil, reduce saline and alkaline, improve nutrition in soil
Component content, reduces the content of beary metal in soil, and regulation effect is significant.
Specific embodiment
Below with reference to embodiment, the present invention is further explained.
Embodiment one, repair one of preparation in compound fertilizer
A. by weight 29:14:19 by nanometer humic acid, micro mist serpentine and micro mist diatomite, and successively it is added to mixed
It is mixed in material machine；
B. it (will be mixed with weight of material in step a than the organic fertilizer for 28 with weight ratio for the ratio of 20:20:25:10:8
Muck, straw, peanut meal, rotted leaf and vinegar grain), moisture is added after being mixed to humidity 65%~75%, in natural item
Compost 15 days under part, it is during which primary every turning in 3 days；It is spare after being dried, crushed after the completion of compost；
C. prepare with weight of material in step a than the compound water retaining agent for 4: weighing the acrylic acid NaOH that parts by weight are 70
It neutralizes (being sufficiently mixed dissolution), forms acrylic monomers solution；It weighs the sodium carboxymethylcellulose that parts by weight are 2 and is dissolved in distilled water
In to abundant dissolution, the tourmaline that suitable parts by weight are 6 and the wheat bran that parts by weight are 20 are added thereto, after being uniformly dispersed plus
Enter crosslinking agent N, the N'- methylene-bisacrylamide that parts by weight are 2 and the initiator potassium persulfate that parts by weight are 1.5, forms wheat
Bran mixed solution；Under constant temperature, mechanical stirring, acrylic monomers solution is added in wheat bran mixed liquor, until it is existing gelation occur
As rear stopping stirring, react 3 hours at a constant temperature；After reaction, polymerizate is cut into 1 centimetre of side length of fritter, is impregnated
In 95% ethanol solution, product is taken out after 12 hours and is put under infrared lamp and dries, crush, is sieved (40~60 mesh), it is standby
With；
D. prepare the alkaline land modifying agent that weight ratio be 3: being by weight 3:3:2:2 by wood vinegar, aminoacids solution, wooden
Plain sodium and sepiolite powder are sufficiently mixed spare；
E. as needed for each bacterium, (aspergillus niger, Trichoderma harzianum, sacculus are mould, streptomycete, produce nitrogen pseudomonad, promise Cattell
Bacterium, plant growth-promoting rhizobacteria and endogenetic bacteria) corresponding culture medium is prepared, and condition of culture is set, cultivate and each microbial bacteria is made
Agent, or the existing commodity of purchase；In proportion after (3:2:2:1.5:1:1:1.5:2) mixing, prepare the weight with raw material in step a
Amount than for 0.5 amount it is spare；
F. it will be sufficiently mixed in mixing machine that product of the step b into e is added in step a to get compound fertilizer.
Embodiment two, repair compound fertilizer in preparation two
A. by weight 33:10:15 by nanometer humic acid, micro mist serpentine and micro mist diatomite, and successively it is added to mixed
It is mixed in material machine；
B. it (will be mixed with weight of material in step a than the organic fertilizer for 32 with weight ratio for the ratio of 40:10:15:20:4
Muck, straw, peanut meal, rotted leaf and vinegar grain), moisture is added after being mixed to humidity 65%~75%, in natural item
Compost 15 days under part, it is during which primary every turning in 3 days；It is spare after being dried, crushed after the completion of compost；
C. prepare with weight of material in step a than the compound water retaining agent for 6: weighing the acrylic acid NaOH that parts by weight are 80
It neutralizes (being sufficiently mixed dissolution), forms acrylic monomers solution；It weighs the sodium carboxymethylcellulose that parts by weight are 1 and is dissolved in distilled water
In to abundant dissolution, the tourmaline that suitable parts by weight are 4 and the wheat bran that parts by weight are 10 are added thereto, after being uniformly dispersed plus
Enter crosslinking agent N, the N'- methylene-bisacrylamide that parts by weight are 2 and the initiator potassium persulfate that parts by weight are 0.5, forms wheat
Bran mixed solution；Under constant temperature, mechanical stirring, acrylic monomers solution is added in wheat bran mixed liquor, until it is existing gelation occur
As rear stopping stirring, react 3 hours at a constant temperature；After reaction, polymerizate is cut into 1 centimetre of side length of fritter, is impregnated
In 95% ethanol solution, product is taken out after 12 hours and is put under infrared lamp and dries, crush, is sieved (40~60 mesh), it is standby
With；
D. prepare the alkaline land modifying agent that weight ratio be 5: being by weight 3:3:2:2 by wood vinegar, aminoacids solution, wooden
Plain sodium and sepiolite powder are sufficiently mixed spare；
E. as needed for each bacterium, (aspergillus niger, Trichoderma harzianum, sacculus are mould, streptomycete, produce nitrogen pseudomonad, promise Cattell
Bacterium, plant growth-promoting rhizobacteria and endogenetic bacteria) corresponding culture medium is prepared, and condition of culture is set, cultivate and each microbial bacteria is made
Agent, or the existing commodity of purchase；In proportion after (3:2:2:1.5:1:1:1.5:2) mixing, prepare the weight with raw material in step a
Amount than for 1.5 amount it is spare；
F. it will be sufficiently mixed in mixing machine that product of the step b into e is added in step a to get compound fertilizer.
Embodiment three, repair compound fertilizer in preparation three
A. by weight 31:12:17 by nanometer humic acid, micro mist serpentine and micro mist diatomite, and successively it is added to mixed
It is mixed in material machine；
B. it (will be mixed with weight of material in step a than the organic fertilizer for 30 with weight ratio for the ratio of 30:15:20:15:6
Muck, straw, peanut meal, rotted leaf and vinegar grain), moisture is added after being mixed to humidity 65%~75%, in natural item
Compost 15 days under part, it is during which primary every turning in 3 days；It is spare after being dried, crushed after the completion of compost；
C. prepare with weight of material in step a than the compound water retaining agent for 5: weighing the acrylic acid NaOH that parts by weight are 75
It neutralizes (being sufficiently mixed dissolution), forms acrylic monomers solution；It weighs the sodium carboxymethylcellulose that parts by weight are 1.5 and is dissolved in distillation
To abundant dissolution in water, the tourmaline that suitable parts by weight are 5 and the wheat bran that parts by weight are 15 are added thereto, after being uniformly dispersed
Crosslinking agent N, the N'- methylene-bisacrylamide that parts by weight are 1.5 and the initiator potassium persulfate that parts by weight are 1.0, shape is added
At wheat bran mixed solution；Under constant temperature, mechanical stirring, acrylic monomers solution is added in wheat bran mixed liquor, until coagulating
Stop stirring after gelatinization phenomenon, reacts 3 hours at a constant temperature；After reaction, polymerizate is cut into 1 centimetre of side length small
Block is soaked in 95% ethanol solution, is taken out product after 12 hours and is put under infrared lamp and dries, crushes, sieving (40~60
Mesh), it is spare；
D. prepare the alkaline land modifying agent that weight ratio be 4: being by weight 3:3:2:2 by wood vinegar, aminoacids solution, wooden
Plain sodium and sepiolite powder are sufficiently mixed spare；
E. as needed for each bacterium, (aspergillus niger, Trichoderma harzianum, sacculus are mould, streptomycete, produce nitrogen pseudomonad, promise Cattell
Bacterium, plant growth-promoting rhizobacteria and endogenetic bacteria) corresponding culture medium is prepared, and condition of culture is set, cultivate and each microbial bacteria is made
Agent, or the existing commodity of purchase；In proportion after (3:2:2:1.5:1:1:1.5:2) mixing, prepare the weight with raw material in step a
Amount than for 1.0 amount it is spare；
F. it will be sufficiently mixed in mixing machine that product of the step b into e is added in step a to get compound fertilizer.
Example IV, after pollution alkaline land soil reparation
A. it arranges plot: selecting plot in Shandong Weifang strand chemical engineering industry garden, first application per acre is repaired multiple before administering
2000 kilograms of complex fertilizer, the leveling earth after ploughing and rotary tillage；20~25 centimetres are ploughed deeply, ground is harrowed neat and well spaced flat；Simultaneously nearby
Selection control plot, does not apply reparation compound fertilizer, only carries out leveling earth after ploughing and rotary tillage；20~25 centimetres are ploughed deeply, ground
It harrows neat and well spaced flat.
B. Pinnate Beggarticks are planted: selection Pinnate Beggarticks kind is planted, will in progress bunch planting on April 8th, 2018
Bidens bipinnata grass seed is sowed after water seed soaking 3 hours with 25 degree, opens cave, cave deep 3~4 by 33 centimetres of line-spacing, 24 centimetres of spacing in the rows
Centimetre, broadcast rear earthing；It is sowed in the same way in control plot.
C. field management: emerging for 10~15 days after plantation, at 6~8 centimetres of height of seedling, carries out thinning, fills the gaps with seedlings, seedling 3 is stayed in every cave
~4 plants；The prevention and control of plant diseases, pest control is carried out in due course, it is main to prevent and treat mottle virus and aphid；Mid-July imposes 1 time when growing vigorous and repairs
Organic fertilizer in multiple compound fertilizer.Plot is compareed without imposing organic fertilizer.
D. it is harvested when grass is not completely withered at the end of September, burns, avoid secondary after the Pinnate Beggarticks of harvesting are air-dried
Pollution.The Pinnate Beggarticks of control plot harvesting do same processing.
After beggar-ticks harvesting, the soil after Pinnate Beggarticks and improvement is detected, while will be to complying same inspection
It surveys.It was found that the Pinnate Beggarticks per mu yield that the present invention plants reaches 3937 jin, control per mu yield is 1052 jin.
The present invention treated soil is compared with the soil (detecting after taking 0~10 centimetre of soil sample to mix) before processing,
It was found that soil pH value after processing is reduced to 7.5 by original 9.1, sandy soil bulk density reduces by 32.24%, and total porosity increases
35.61%, field moisture holding capacity improves 55.39%, and the content of organic matter improves 10.77%, and hydrolyzable nitrogen content increases
41.36%, available phosphorus contents increase by 107.54%, and quick-acting potassium content increases by 110.48%.
Content of beary metal in soil (detects) variation and each element in beggar-ticks after taking 0~10 centimetre of soil sample to mix
Content is shown in Table 1:
Table 1, soil and beggar-ticks content of beary metal (mg/kg) situation
| Pb | Cd | As | Hg | Cu | Zn | Te | |
| Before processing | 413 | 103.5 | 335.2 | 77.8 | 326 | 323 | 166 |
| After processing | 70.6 | 0.69 | 124.9 | 15.8 | 99.9 | 198 | 42.3 |
| Beggar-ticks | 814.4 | 338.5 | 251.7 | 101.2 | 156.8 | 284.3 | 211.9 |
As seen from the above table, the concentration of lead in soil after treatment, cadmium, mercury, copper and zinc ion has reached national soil
The secondary standard value of agricultural land nonirrigated farmland content of beary metal in environmental quality standards GB15618-2008.The whole strain of beggar-ticks is (on the ground
Harvesting part) in the beggar-ticks that is grown naturally much higher than non-polluting area of the content of heavy metal element that detects in each table 1
Content.
It can be seen that the present invention is significant to the improved effect in the salt-soda soil after contaminated, this method is worth by chemical industry
It promotes the use of in the salt-soda soil area of pollution.
It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.In addition, it should also be understood that,
After reading the content taught by the present invention, those skilled in the art can make various modifications or changes to the present invention, these
Equivalent form is also fallen within the scope of the appended claims of the present application.
Claims (8)
1. the restorative procedure of alkaline land soil after a kind of pollution, which comprises the following steps:
A. arrange plot: selection plot first applies before administering and repairs 1500~2500 kilograms of compound fertilizer, per acre by ploughing and rotation
Leveling earth after ploughing；20~25 centimetres are ploughed deeply, ground is harrowed neat and well spaced flat；
B. Bidens bipinnata grass planting: in annual bunch planting in 3~April, by Bidens bipinnata grass seed with 20~30 degree water seed soaking 2~4 hours it is laggard
Row sowing opens cave by 33 centimetres of line-spacing, 24 centimetres of spacing in the rows, and cave is 3~4 centimetres deep, broadcasts rear earthing；
C. field management: emerging for 10~15 days after plantation, at 6~8 centimetres of height of seedling, carries out thinning, fills the gaps with seedlings, seedling 3~4 is stayed in every cave
Strain；And it weeded with a hoe, impose the organic fertilizer repaired in compound fertilizer；1 time is applied when growing vigorous again and repairs having in compound fertilizer
Machine fertilizer；
D. annual 8~October is picking time productive phase, and the beggar-ticks of harvesting is concentrated and is destroyed；
Wherein, it is 29~33:10~14:15~19:28~32:4~6:3~5:0.5 that the reparation compound fertilizer, which includes weight ratio,
~1.5 nanometer humic acid, micro mist serpentine, micro mist diatomite, organic fertilizer, compound water retaining agent, alkaline land modifying agent and micro- life
Medicinal powder.
2. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: the organic fertilizer includes weight
Amount is than being the muck of 20~40:10~20:15~25:10~20:4~8, straw, peanut meal, rotted leaf, vinegar grain.
3. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: the compound water retaining agent by
Parts by weight are 70~80:10~20:4~6:1~2:1~2:0.5~1.5 acrylic acid, wheat bran, tourmaline, carboxymethyl cellulose
Plain sodium, N, N'- methylene-bisacrylamide and potassium peroxydisulfate are made.Its preparation process are as follows: weigh during acrylic acid carries out with NaOH
Be sufficiently mixed dissolution and form acrylic monomers solution；It weighs sodium carboxymethylcellulose to be dissolved completely in distilled water, thereto
Suitable tourmaline and wheat bran is added, crosslinking agent N, N'- methylene-bisacrylamide and initiator over cure are added after being uniformly dispersed
Sour potassium forms wheat bran mixed solution；Under constant temperature, mechanical stirring, acrylic monomers solution is added in wheat bran mixed liquor, until
Stop stirring after there is gel phenomenon, reacts 3 hours at a constant temperature；After reaction, polymerizate is cut into 1 centimetre of side length
Fritter, be soaked in 95% ethanol solution, product is taken out after 12 hours and be put under infrared lamp dry, crush, cross 40~
60 meshes, it is spare.
4. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: the alkaline land modifying agent
Wood vinegar, aminoacids solution, the lignin sodium, sepiolite powder for being 3:3:2:2 including weight ratio.
5. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: the micro organism powder packet
It includes mould aspergillus niger, Trichoderma harzianum, sacculus that parts by weight are 3:2:2:1.5:1:1:1.5:2, streptomycete, produce nitrogen pseudomonad, promise
Cattell bacterium, plant growth-promoting rhizobacteria and endogenetic bacteria.
6. the restorative procedure of alkaline land soil after pollution as claimed in claim 5, it is characterised in that: in the micro organism powder
Aspergillus niger, Trichoderma harzianum, sacculus be mould, produce nitrogen pseudomonad, plant growth-promoting rhizobacteria and endogenetic bacteria content be respectively every gram also
0.5×109~1.5 × 109CFU、0.5×109~1.5 × 109CFU、1.0×109~5.0 × 109CFU、1.0×109~5.0
×109CFU、1.0×109~5.0 × 109CFU、2.0×109~6.0 × 109CFU、4.0×109~8 × 109CFU and 4.0 ×
109~8 × 109CFU。
7. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: the nanometer humic acid
Partial size is 60 nanometers, and the fineness of micro mist serpentine is 100~200 mesh, and the fineness of micro mist diatomite is 500 mesh.
8. the restorative procedure of alkaline land soil after pollution as described in claim 1, it is characterised in that: Bidens bipinnata in the step d
It carries out concentrating landfill after grass harvesting or be burned after air-drying.
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Cited By (1)
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| CN112136407A (en) * | 2020-08-13 | 2020-12-29 | 宁夏六盘山生态园林有限公司 | Method for improving saline-alkali soil by using plant crushed aggregates |
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| CN112136407A (en) * | 2020-08-13 | 2020-12-29 | 宁夏六盘山生态园林有限公司 | Method for improving saline-alkali soil by using plant crushed aggregates |
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