CN108048102A - A kind of salt-soda soil microorganism renovation agent and preparation method thereof and application method - Google Patents
A kind of salt-soda soil microorganism renovation agent and preparation method thereof and application method Download PDFInfo
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- CN108048102A CN108048102A CN201711322780.1A CN201711322780A CN108048102A CN 108048102 A CN108048102 A CN 108048102A CN 201711322780 A CN201711322780 A CN 201711322780A CN 108048102 A CN108048102 A CN 108048102A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- 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 present invention relates to a kind of salt-soda soil microorganism renovation agents, this kind of salt-soda soil microorganism renovation agent, it counts in parts by weight, its raw material includes, 59 parts of ethylene-vinyl acetate copolymer, 12 16 parts of vinyl alcohol ethylene copolymer, 11 19 parts of sodium alginate, 27 parts of calcium chloride, 35~45 parts of bacterium solution, 59 parts of POLYPROPYLENE GLYCOL.The salt-soda soil microorganism renovation agent improves soil texture using microorganism, while improves the metabolic activity of microorganism, achievees the effect that repair saline-land.
Description
Technical field
The present invention relates to ecology of alkali saline land to repair field, more specifically, it is related to a kind of salt-soda soil microorganism renovation agent
And preparation method thereof and application method.
Background technology
Salt-soda soil is various solonchak and alkaline earth and the general name of different degrees of salinization and alkali-affected soil.At present, due to soil
Salinization of soil triggers many ecological environment problems, such as soil erosion, desertification of land, forest and grassland resources reduction, two packing spaces
Property reduce etc., it has also become a global problem.
Common saline-alkali soil treatment method includes hydraulic engineering method, chemical amendments, biological modification method etc..Wherein, water
Sharp engineering method includes fresh water desalinization of soil by flooding or leaching method, builds hidden pipe irrigation canals and ditches salt discharge method etc..But the requirement of hydraulic engineering method must possess abundance
Good water sources and good drainage system accomplish that the row of filling is combined, and investment is huge, and maintenance cost is high, saliferous discharge water process
Difficulty, easily causes the loss of mineral element such as P, Fe, Mg and Zn necessary to some plants in soil secondary salinization and soil, and one
Denier stops washing salinity by irrigation, and soil can also the gradual accumulation of salt in the surface soil.
Chemical amendments, which is included in salt-soda soil, applies gypsum, industrial residue, inorganic amendment, organic amendment etc..Though
The short run effect of right chemical modifying method is notable, but cost is excessively high, and single use chemical improvement agent is ineffective, and easily makes
Into secondary pollution.
Biological modification method is a kind of technology using microorganism remediation contaminated soil, i.e., using dedicated microorganism, passes through
The effects that mineralising, Co metabolism, bioconcentration or accumulation, is on salt-soda soil.But due to high salt high-alkali in salt-soda soil, microorganism is applied
After entering salt-soda soil, living environment is more severe, and the metabolic activity of microorganism reduces, and the ability in microorganism remediation salt-soda soil subtracts
It is weak.
The content of the invention
It is an object of the invention to provide a kind of salt-soda soil microorganism renovation agent and preparation method thereof and application method, the salt
Alkali geomicrobes renovation agent improves soil texture using microorganism, while improves the metabolic activity of microorganism, reaches reparation salt
The effect on alkali ground.
The present invention above-mentioned purpose technical scheme is that：A kind of salt-soda soil microorganism renovation agent,
It is characterized in that counting in parts by weight, raw material includes, 5-9 parts of ethylene-vinyl acetate copolymer, polyvinyl alcohol-co-vinyl copolymer
12-16 parts, 11-19 parts of sodium alginate, 2-7 parts of calcium chloride, 35~45 parts of bacterium solution, 5-9 parts of POLYPROPYLENE GLYCOL.
Preferably, the average molecular weight of the ethylene-vinyl acetate copolymer is 1500-2500, and polyvinyl alcohol-co-vinyl is copolymerized
The average molecular weight of object is 2000-3000.
Preferably, it is substrate liquid and the mixture of bacterium in the bacterium solution.
Preferably, the bacterium include bacillus subtilis, silicate bacillus, one kind in bacillus laterosporus or
Several mixtures.
Preferably, the bacillus subtilis, silicate bacillus, the parts by weight of bacillus laterosporus are 1:1:1.
Preferably, the substrate liquid include 0.3 part of magnesium sulfate, 4 parts of ammonium sulfate, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate,
3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, 2 parts of potassium dihydrogen phosphate, pH 7.
It is another object of the present invention to provide the preparation methods of salt-soda soil microorganism renovation agent described above.
The present invention above-mentioned purpose technical scheme is that, a kind of salt-soda soil microorganism renovation agent
Preparation method, including at least following steps：
Premix：Sodium alginate, ethylene-vinyl acetate copolymer, polyvinyl alcohol-co-vinyl copolymer, calcium chloride are taken, into the water uniformly
Mixing treats after completion of the reaction, to adjust the acid-base value of reaction system to neutrality；
Renovation agent synthesizes：Bacterium solution, POLYPROPYLENE GLYCOL is taken to add in renovation agent and synthesize to obtain in mixture, after uniformly mixing 30-50min,
Discharging, is prepared salt-soda soil microorganism renovation agent.
Preferably, in the pre-mixing process, reaction temperature is 180-190 DEG C, reaction time 40-60min.
Preferably, in the pre-mixing process, pH value of reaction system 7-7.5.
It is another object of the present invention to provide the application methods of salt-soda soil microorganism renovation agent described above.
The present invention above-mentioned purpose technical scheme is that, a kind of salt-soda soil microorganism renovation agent
Application method：
It levels land：In 500-1000kg/ mus of the agricultural crop straw that the paving powder of saline and alkaline ground surface is broken, then spread and spill organic fertilizer
1000-2000kg/ mus, salt-soda soil microorganism renovation agent is uniformly spread fertilizer over the fields on surface afterwards, quantity is 20-100kg/ mus；
Deep ploughing soil：Deep plough soil 20-30cm, makes agricultural crop straw, organic fertilizer and the mixing of salt-soda soil microorganism renovation agent equal
It is even；Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 2-10 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Earth water content is maintained at more than 30%；After 1-3 weeks or when the soil moisture is more than 35-40 DEG C, rotary tillage soil is better to ensure
Soil remediation effect, entire equilibrium process can carry out rotary tillage 1-2 times to soil；
Plantation：Soil after the completion of reparation can be planted.
In conclusion the invention has the advantages that：
1st, the salt-soda soil microorganism renovation agent that the present invention is prepared passes through mineralising, Co metabolism, biology using dedicated microorganism
The effects that concentration or accumulation, the metabolic activity of microorganism enhanced, and improves the effect of repair saline-land on salt-soda soil.
2nd, for soil after the reparation of salt-soda soil microorganism renovation agent, the pH value of soil can decline 0.1-0.3, the sun of soil
Ion exchange capacity can decline 10-30%, salt content below 0.5% in, slight alkaline land can normal Planting Crops, saliferous
In amount 0.5-1.2%, heavy salinized ground can plant saline alkali tolerant plant, such as cotton, oily certain herbaceous plants with big flowers, matrimony vine crop, germination percentage
More than 90% can be reached.
Specific embodiment
Involved all substances are commercially available in the embodiment of the present invention.
Bacillus subtilis：Chinese agriculture Microbiological Culture Collection administrative center, the bacillus subtilis of number accc11025
Bacterium；Silicate bacillus：Chinese agriculture Microbiological Culture Collection administrative center, the silicate gemma bar of number accc10013
Bacterium；Bacillus laterosporus：Chinese agriculture Microbiological Culture Collection administrative center, the bacillus laterosporus of number accc10390.
First, embodiment is made
Embodiment 1
Premix：Take sodium alginate 15kg, ethylene-vinyl acetate copolymer 7kg, polyvinyl alcohol-co-vinyl copolymer 1 4kg, calcium chloride
4.5kg is put into water 50kg and uniformly mixes, the pH value for treating after completion of the reaction, to adjust reaction system to 7, wherein, reaction temperature is
185 DEG C, reaction time 50min, the average molecular weight of ethylene-vinyl acetate copolymer is 2000, polyvinyl alcohol-co-vinyl copolymer
Average molecular weight be 2500；
It is prepared by bacterium solution：Bacterium powder 7kg, bacterium powder 7kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 7kg be put into 25kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；
Renovation agent synthesizes：Bacterium solution 40kg, POLYPROPYLENE GLYCOL 7kg is taken to add in premix to obtain in mixture, after uniformly mixing 40min, is gone out
Material, is prepared salt-soda soil microorganism renovation agent.
Embodiment 2
Premix：Take sodium alginate 11kg, ethylene-vinyl acetate copolymer 5kg, polyvinyl alcohol-co-vinyl copolymer 1 2kg, calcium chloride
7kg is put into water 50kg and uniformly mixes, the pH value for treating after completion of the reaction, to adjust reaction system to 7.5, wherein, reaction temperature is
190 DEG C, reaction time 40min, the average molecular weight of ethylene-vinyl acetate copolymer is 2000, polyvinyl alcohol-co-vinyl copolymer
Average molecular weight be 3000；
It is prepared by bacterium solution：Bacterium powder 5kg, bacterium powder 5kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 9kg be put into 20kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；
Renovation agent synthesizes：Bacterium solution 45kg, POLYPROPYLENE GLYCOL 9kg is taken to add in premix to obtain in mixture, after uniformly mixing 30min, is gone out
Material, is prepared salt-soda soil microorganism renovation agent.
Embodiment 3
Premix：Take sodium alginate 19kg, ethylene-vinyl acetate copolymer 9kg, polyvinyl alcohol-co-vinyl copolymer 1 2kg, calcium chloride
7kg is put into water 50kg and uniformly mixes, the pH value for treating after completion of the reaction, to adjust reaction system to 7, wherein, reaction temperature is
180 DEG C, reaction time 60min, the average molecular weight of ethylene-vinyl acetate copolymer is 2500, polyvinyl alcohol-co-vinyl copolymer
Average molecular weight be 3000；
It is prepared by bacterium solution：Bacterium powder 5kg, bacterium powder 9kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 5kg be put into 20kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；
Renovation agent synthesizes：Bacterium solution 45kg, POLYPROPYLENE GLYCOL 5kg is taken to add in premix to obtain in mixture, after uniformly mixing 50min, is gone out
Material, is prepared salt-soda soil microorganism renovation agent.
Embodiment 4
Premix：Take sodium alginate 11kg, ethylene-vinyl acetate copolymer 5kg, polyvinyl alcohol-co-vinyl copolymer 1 6kg, calcium chloride
2kg is put into water 50kg and uniformly mixes, the pH value for treating after completion of the reaction, to adjust reaction system to 7.5, wherein, reaction temperature is
190 DEG C, reaction time 50min, the average molecular weight of ethylene-vinyl acetate copolymer is 1500, polyvinyl alcohol-co-vinyl copolymer
Average molecular weight be 2500；
It is prepared by bacterium solution：Bacterium powder 9kg, bacterium powder 5kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 5kg be put into 30kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；
Renovation agent synthesizes：Bacterium solution 35kg, POLYPROPYLENE GLYCOL 9kg is taken to add in premix to obtain in mixture, after uniformly mixing 40min, is gone out
Material, is prepared salt-soda soil microorganism renovation agent.
2nd, comparative example is made
Comparative example 1
It is prepared by bacterium solution：Bacterium powder 7kg, bacterium powder 7kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 7kg be put into 25kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；Discharging, is prepared salt-soda soil microorganism renovation agent.
Comparative example 2
Premix：Take sodium alginate 15kg, ethylene-vinyl acetate copolymer 7kg, polyvinyl alcohol-co-vinyl copolymer 1 4kg, calcium chloride
4.5kg is put into water 50kg and uniformly mixes, the pH value for treating after completion of the reaction, to adjust reaction system to 7, wherein, reaction temperature is
185 DEG C, reaction time 50min, the average molecular weight of ethylene-vinyl acetate copolymer is 2000, polyvinyl alcohol-co-vinyl copolymer
Average molecular weight be 2500；
It is prepared by bacterium solution：Bacterium powder 7kg, bacterium powder 7kg, the bacillus laterosporus of silicate bacillus of bacillus subtilis are taken respectively
Bacterium powder 7kg be put into 25kg substrate liquid and cultivated, ferment, and sending out by rejuvenation, after level-one expands, two level expands
It is aerated during ferment by air compressor, obtains bacterial solution；Wherein substrate liquid includes 0.3 part of magnesium sulfate, ammonium sulfate 4
Part, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride, potassium dihydrogen phosphate 2
Part, pH 7；
Renovation agent synthesizes：Bacterium solution 40kg is taken to add in premix to obtain in mixture, after uniformly mixing 40min, salt is prepared in discharging
Alkali geomicrobes renovation agent.
3rd, Application Example
Embodiment 5
It levels land：The initial salt content of soil is 0.5%, in the agricultural crop straw 750kg/ that the paving powder of saline and alkaline ground surface is broken
Then mu spreads and spills 1500kg/ mus of organic fertilizer, afterwards uniformly spreads the salt-soda soil microorganism renovation agent being prepared in embodiment 1
It applies on surface, quantity is 60kg/ mus；
Deep ploughing soil：Deep plough soil 25cm, is uniformly mixed agricultural crop straw, organic fertilizer and salt-soda soil microorganism renovation agent；
Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 6 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Water content is maintained at more than 30%；After 3 weeks, rotary tillage soil, to ensure better soil remediation effect, entire equilibrium process can be with
Rotary tillage 2 times is carried out to soil；
Plantation：Potato is planted in the soil after the completion of reparation.
Embodiment 6
It levels land：The initial salt content of soil is 0.5%, in the agricultural crop straw 500kg/ that the paving powder of saline and alkaline ground surface is broken
Then mu spreads and spills 1000kg/ mus of organic fertilizer, afterwards uniformly spreads the salt-soda soil microorganism renovation agent being prepared in embodiment 2
It applies on surface, quantity is 20kg/ mus；
Deep ploughing soil：Deep plough soil 30cm, is uniformly mixed agricultural crop straw, organic fertilizer and salt-soda soil microorganism renovation agent；
Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 10 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Water content is maintained at more than 30%；After 1 week, rotary tillage soil, to ensure better soil remediation effect, entire equilibrium process can be with
Rotary tillage 2 times is carried out to soil；
Plantation：Potato is planted in the soil after the completion of reparation.
Embodiment 7
It levels land：The initial salt content of soil is 0.5%, in the agricultural crop straw 1000kg/ that the paving powder of saline and alkaline ground surface is broken
Then mu spreads and spills 2000kg/ mus of organic fertilizer, afterwards uniformly spreads the salt-soda soil microorganism renovation agent being prepared in embodiment 3
It applies on surface, quantity is 20kg/ mus；
Deep ploughing soil：Deep plough soil 30cm, is uniformly mixed agricultural crop straw, organic fertilizer and salt-soda soil microorganism renovation agent；
Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 2 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Water content is maintained at more than 30%；When the soil moisture reaches 35 DEG C, rotary tillage soil is whole to ensure better soil remediation effect
A equilibrium process can carry out rotary tillage 2 times to soil；
Plantation：Potato is planted in the soil after the completion of reparation.
Embodiment 8
It levels land：The initial salt content of soil is 0.5%, in the agricultural crop straw 500kg/ that the paving powder of saline and alkaline ground surface is broken
Then mu spreads and spills 1000kg/ mus of organic fertilizer, afterwards uniformly spreads the salt-soda soil microorganism renovation agent being prepared in embodiment 4
It applies on surface, quantity is 100kg/ mus；
Deep ploughing soil：Deep plough soil 20cm, is uniformly mixed agricultural crop straw, organic fertilizer and salt-soda soil microorganism renovation agent；
Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 10 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Water content is maintained at more than 30%；When the soil moisture reaches 40 DEG C, rotary tillage soil is whole to ensure better soil remediation effect
A equilibrium process can carry out rotary tillage 1 time to soil；
Plantation：Potato is planted in the soil after the completion of reparation.
4th, Comparison study example
Comparative example 3：
Renovation agent：The renovation agent being prepared in comparative example 1；
Applying environment：The applying environment of renovation agent with being prepared in embodiment 1 is identical.
Comparative example 4：
Renovation agent：The renovation agent being prepared in comparative example 2；
Applying environment：The applying environment of renovation agent with being prepared in embodiment 1 is identical.
Comparative example 5：Blank control.
5th, the performance for the activator that above example and comparative example are prepared is tested.
Take the soil after being repaired using the preprosthetic soil of renovation agent and application renovation agent, the pH value of testing soil, sun
Ion exchange capacity rate of descent.Meanwhile it measures potato the buds are coming out and yield.
The results are shown in Table 1 for each evaluation index.
The performance test results of salt-soda soil microorganism renovation agent prepared by 1 each embodiment of table and comparative example
| The performance test results | Soil pH | Cation exchange capacity (CEC) rate of descent (%) | Potato sprouting rate (%) | Potato yield (kg/acre) |
| Embodiment 5 | 7.9 | 30 | 95 | 3592 |
| Embodiment 6 | 7.9 | 27 | 92 | 3510 |
| Embodiment 7 | 8.0 | 21 | 94 | 3423 |
| Embodiment 8 | 8.1 | 23 | 93 | 3319 |
| Comparative example 3 | 8.2 | 10 | 82 | 1980 |
| Comparative example 4 | 8.2 | 18 | 86 | 2218 |
| Comparative example 5 | 8.2 | — | 50 | 1512 |
As can be seen that the salt-soda soil microorganism renovation agent that the present invention is prepared passes through mineralising, Co metabolism, biology from above-mentioned table
The effects that concentration or accumulation, the metabolic activity of microorganism enhanced, and improves the effect of repair saline-land on salt-soda soil.Salt-soda soil
Soil is after reparation, and the pH value of soil can decline 0.1-0.3, and the cation exchange capacity (CEC) of soil can decline 10-30%, salt content
In less than 0.5%, slight alkaline land can normal Planting Crops, germination percentage can reach more than 90%, and yield reaches
To the normal level of crop.
Wherein, the renovation agent used in comparative example 3 does not have pre-mixing process in preparation process, is utilizing repair saline-land soil
During earth, renovation agent does not provide suitable growing environment for microorganism, causes the metabolic activity of microorganism to reduce, micro- life
The reduced capability of object repair saline-land, therefore the germination percentage of potato yield and yield is caused to be less than what is used in embodiment 5
Renovation agent.
The renovation agent used in comparative example 4 is added without POLYPROPYLENE GLYCOL in preparation process, and bacterium solution is simply merely adsorbed in
On the cross-linked polymer of generation, the microorganism in bacterium solution easily comes off, and after microorganism comes off, the metabolic activity of microorganism is caused to drop
It is low, the reduced capability in microorganism remediation salt-soda soil, therefore the germination percentage of potato yield and yield is caused to be less than in embodiment 5
The renovation agent used.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Claims (10)
1. a kind of salt-soda soil microorganism renovation agent, it is characterized in that, it counts in parts by weight, raw material includes, and ethene-vinyl acetate is common
5-9 parts of polymers, 2-16 parts of polyvinyl alcohol-co-vinyl copolymer 1,11-19 parts of sodium alginate, 2-7 parts of calcium chloride, 35~45 parts of bacterium solution,
5-9 parts of POLYPROPYLENE GLYCOL.
2. a kind of salt-soda soil microorganism renovation agent according to claim 1, it is characterized in that, the ethene-vinyl acetate is total to
The average molecular weight of polymers is 1500-2500, and the average molecular weight of polyvinyl alcohol-co-vinyl copolymer is 2000-3000.
3. a kind of salt-soda soil microorganism renovation agent according to claim 1, it is characterized in that, in the bacterium solution for substrate liquid with
The mixture of bacterium.
4. a kind of salt-soda soil microorganism renovation agent according to claim 3, it is characterized in that, the bacterium includes withered grass gemma
The mixture of one or more of bacillus, silicate bacillus, bacillus laterosporus.
5. a kind of salt-soda soil microorganism renovation agent according to claim 4, it is characterized in that, the bacillus subtilis, silicon
Hydrochlorate bacillus, the parts by weight of bacillus laterosporus are 1:1:1.
6. a kind of salt-soda soil microorganism renovation agent according to claim 3, it is characterized in that, the substrate liquid includes magnesium sulfate
0.3 part, 4 parts of ammonium sulfate, 2 parts of sodium citrate, 9 parts of potassium dihydrogen phosphate, 3 parts of dipotassium hydrogen phosphate, 20 parts of peptone, 3 parts of sodium chloride,
2 parts of potassium dihydrogen phosphate, pH 7.
7. a kind of method for preparing salt-soda soil microorganism renovation agent as described in claim 1, it is characterized in that, including at least following
Step：Premix：Sodium alginate, ethylene-vinyl acetate copolymer, polyvinyl alcohol-co-vinyl copolymer, calcium chloride are taken, into the water
Even mixing treats after completion of the reaction, to adjust the acid-base value of reaction system to neutrality；
Renovation agent synthesizes：Bacterium solution, POLYPROPYLENE GLYCOL is taken to add in renovation agent and synthesize to obtain in mixture, after uniformly mixing 30-50min,
Discharging, is prepared salt-soda soil microorganism renovation agent.
8. a kind of preparation method of salt-soda soil microorganism renovation agent according to claim 7, it is characterized in that, the premix step
In rapid, reaction temperature is 180-190 DEG C, reaction time 40-60min.
9. a kind of preparation method of salt-soda soil microorganism renovation agent according to claim 7, it is characterized in that, the premix step
In rapid, pH value of reaction system 7-7.5.
10. a kind of application method of salt-soda soil microorganism renovation agent：
It levels land：In 500-1000kg/ mus of the agricultural crop straw that the paving powder of saline and alkaline ground surface is broken, then spread and spill organic fertilizer
1000-2000kg/ mus, salt-soda soil microorganism renovation agent is uniformly spread fertilizer over the fields on surface afterwards, quantity is 20-100kg/ mus；
Deep ploughing soil：Deep plough soil 20-30cm, makes agricultural crop straw, organic fertilizer and the mixing of salt-soda soil microorganism renovation agent equal
It is even；Fully pour water：It keeps the skin wet to soil, soil moisture content is made to reach 100%；
Naturally rehabilitating soil is stacked：Soil natural is reacted and repaired 2-10 weeks, and not timing is needed to spray therebetween and is kept the skin wet, makes soil
Earth water content is maintained at more than 30%；After 1-3 weeks or when the soil moisture is more than 35-40 DEG C, rotary tillage soil is better to ensure
Soil remediation effect, entire equilibrium process can carry out rotary tillage 1-2 times to soil；Plantation：Soil after the completion of reparation can
It is planted.
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| CN201711322780.1A CN108048102B (en) | 2017-12-12 | 2017-12-12 | Microbial repairing agent for saline-alkali soil as well as preparation method and using method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108927406A (en) * | 2018-06-29 | 2018-12-04 | 南京怡可帮生态环境科技有限公司 | A kind of arsenic in soil pollution ecology restorative procedure and application |
| CN108941192A (en) * | 2018-06-29 | 2018-12-07 | 南京怡可帮生态环境科技有限公司 | A kind of arsenic in soil method for governing pollution and application |
| CN108941193A (en) * | 2018-06-29 | 2018-12-07 | 南京怡可帮生态环境科技有限公司 | A kind of arsenic in soil cadmium lead zinc combined pollution bioengineering restorative procedure and application |
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