CN107282628A - A kind of composite modifying agent for repairing farmland pollution soil and preparation method thereof - Google Patents
A kind of composite modifying agent for repairing farmland pollution soil and preparation method thereof Download PDFInfo
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- CN107282628A CN107282628A CN201710625598.7A CN201710625598A CN107282628A CN 107282628 A CN107282628 A CN 107282628A CN 201710625598 A CN201710625598 A CN 201710625598A CN 107282628 A CN107282628 A CN 107282628A
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- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
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Abstract
A kind of composite modifying agent and preparation method thereof for repairing farmland pollution soil, is related to present agriculture field, solve that existing contaminated soil remediation method is present the problem of can not realizing heavy metal and organic material contaminated soil dual repair function.The composite modifying agent, in parts by weight including following component：3~9 parts of complex micro organism fungicide；40~60 parts of peat soil；30~50 parts of powder of straw；3~5 parts of cake powder；0.1~0.3 part of quick lime；0.2~0.4 part of dipotassium hydrogen phosphate；0.5~1.5 part of ammonium sulfate；20~40 parts of diatomite；20~40 parts of humic acid；20~40 parts of zeolite；5~15 parts of activated carbon；1~3 part of sepiolite；1~3 part of chitosan.The present invention can effectively remove the heavy metal in soil, the organic pollution in degraded soil, with dual repair function, do not result in secondary pollution, can improve crop yield；Cost is low, repair time is short, it is good to prepare easy, repairing effect.
Description
Technical field
The present invention relates to present agricultural technology field, and in particular to a kind of composite modifying agent of reparation farmland pollution soil and
Its preparation method.
Background technology
Soil is to safeguard one of valuable source of our life, is the basis that all living things are depended on for existence.Modern agriculture
Development changes original situation of nature, largely cause agricultural land soil structure to be destroyed using chemical fertilizer, agricultural chemicals to pursue high yield,
Fertility declines, soil environment decline, acidifying, salination, desertification, hardened airtight, and pest and disease damage occurs seriously.In addition, industrial
Production, oil exploitation, communications and transportation, sewage irrigation, agricultural sludge, livestock and poultry cultivation and resident living etc. also generate substantial amounts of heavy
Metal and organic pollution, have badly influenced the healthy and social steady of farmland quality, food security or even the mankind
It is fixed.Therefore, the reparation problem of agricultural land soil, it appears particularly significant.
At present, according to the contaminated type of soil, contaminated soil can be divided into inorganic pollution (such as heavy metal pollution) and
Organic contamination (such as agricultural chemicals, oil, antibiotic).
Heavy-metal contaminated soil reparation mainly has following approach：One is engineering reparation, and such as soil moved in improve the original, soil removal and replacement and deep ploughing are turned over
Soil etc., the method quantities is big, and investment cost is high, is not suitable for pollution in wide area soil remediation；Two be peripheral doses, is repaiied Ru electronic
Multiple and electric heating reparation, the soil remediation effect small to pollution weight, area substantially, but is easily caused under soil texture destruction and fertility
Drop, is not suitable for farmland and repairs；Three be biological prosthetic, and such as microorganism remediation and phytoremediation, microorganism remediation are existed using microorganism
Under the stress of pollution, there can be the organic substance of complexing or decomposition and inversion pollutant ability from certain is secreted out of in vivo, make dirt
The mobility reduction or reversing of thing are contaminated, so as to be not easily accessed in organism, safety, holding effect, comprehensive effect can be reached；
But the phytoremediation cycle is long, influence farming work；Four be chemical remediation, such as chemical leaching, chemical passivation, and chemical passivation is repaiied
Have again it is with low cost, repair quick, simple operation and other advantages and be taken seriously, polluted suitable for large-area metal contaminated soil
Repair.
Organic material contaminated soil reparation is, by physics, chemistry and biological method, to absorb, degrade, shift and vertisol
Pollutant in earth, makes pollutant concentration be reduced to acceptable level, or poisonous and hazardous pollutant is converted into harmless
The process of material.It is biological prosthetic with soil physico-chemical property can be kept substantially compared with peripheral doses and chemical repair method, it is dirty
The degraded of dye thing is thoroughly, processing cost is relatively low, be widely used and be not likely to produce secondary pollution etc. a little, biological prosthetic due to low
The remarkable advantages such as consumption, efficient, Environmental security and pure ecological process, are adapted to the reparation of large area soil pollution.
Restorative procedure described above, all simply possesses single function, individually heavy metal can only pollute or to organic
Thing contaminated soil is repaired.Because current agricultural land soil is all combined pollution mostly, single reparation is simply to wherein one
Repaired, be not reaching to the purpose repaired completely, it is impossible to while there is heavy metal and organic material contaminated soil is dual repaiies
Multiple function.
The content of the invention
It can not realize that heavy metal and organic material contaminated soil are dual in order to solve that existing contaminated soil remediation method is present
The problem of repair function, the present invention provides a kind of composite modifying agent for repairing farmland pollution soil and preparation method thereof.
The present invention is as follows to solve the technical scheme that technical problem is used：
The composite modifying agent of a kind of reparation farmland pollution soil of the present invention, in parts by weight including following component：
As preferred embodiment, the complex micro organism fungicide includes following component：The golden gemma of Pseudomonas alba, Su Yun
Bacillus, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum；
The Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Mass ratio between lactobacillus is 1:1:1:1:1:1.
As preferred embodiment, the Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, lichens gemma
Effective bacterium number in bacillus, Trichoderma and Lactobacillus plantarum bacterium solution is 1,000,000,000/mL.
As preferred embodiment, the composite modifying agent includes following component in parts by weight：
It is including following present invention also offers a kind of above-mentioned preparation method for the composite modifying agent for repairing farmland pollution soil
Step：
Step 1: the preparation of complex micro organism fungicide
To Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant breast
Bacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, 30~37 DEG C of fermentation temperature, fermentation time 2~3 days, fermentation ends
Afterwards, the Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum
Effective bacterium number in bacterium solution is 1,000,000,000/mL；
By Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma, the newborn bar of plant
The mass ratio of bacterium is 1:1:1:1:1:1 ratio weighs each bacterium solution, is well mixed, and obtains the complex micro organism fungicide of liquid；
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil, powder of straw, cake powder, dipotassium hydrogen phosphate, ammonium sulfate are weighed by weight, is stirred, and humidity is kept
40~50%, it is 6.5~7.0 to add quick lime regulation pH；After microwave sterilization, complex micro organism fungicide is put into, is stirred
After carry out solid fermentation, fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue to ferment, treat temperature again
When being raised to 60 DEG C, fermentation is finished, and obtains microorganism ecological organic conditioner；
Step 3: weighing zeolite, activated carbon, diatomite, sepiolite, humic acid, chitosan by weight, after crushed
Mix, puddle 5~10 minutes with microorganism ecological organic conditioner, produce the composite modifying agent for repairing farmland pollution soil.
As preferred embodiment, in step one, 37 DEG C of fermentation temperature, fermentation time 3 days.
As preferred embodiment, in step 2, humidity is maintained at 50%.
As preferred embodiment, in step 2, regulation pH is 7.0.
As preferred embodiment, in step 2, fermentation is finished when Quantity of sporulation is the 80~95% of bacterium amount.
The beneficial effects of the invention are as follows：
In view of the shortcomings of the prior art, the present invention provides one kind and has processing heavy metal pollution and Organic Pollution and preventing and treating concurrently
The soil composite modifying agent of disease.The soil composite modifying agent of the present invention be with complex micro organism fungicide and peat soil, powder of straw,
The organic substances such as cake powder, add the microorganism ecological organic for carrying out fermentation by dipotassium hydrogen phosphate, ammonium sulfate, quick lime and nurse one's health
Agent, then with the mineral such as natural, natural modified or artificial synthesized zeolite, sepiolite, humic acid, chitosan, activated carbon, diatomite
Matter is combined into.
Compared with prior art, the present invention has advantages below：
1st, the biography of oxygen in soil is increased mutually without antagonism between each strain in selected complex micro organism fungicide
Throughput rate, is conducive to microbial growth.
2nd, based on microorganism ecological organic conditioner, add natural mineral matter, can effectively remove the huge sum of money in soil
Organic pollution in category, degraded soil, with dual repair function.
3rd, soil composite modifying agent of the invention has desinsection, the effect of sterilization preventing and treating pest and disease damage simultaneously, does not result in two
Secondary pollution, can provide nutrient for crop to a certain extent, improve crop yield.
4th, soil composite modifying agent of the invention has that inexpensive, repair time are short, preparation method is convenient, be easy to industrial
The features such as metaplasia is produced, repairing effect is good, and repairing effect is stable.
5th, soil composite modifying agent of the invention can improve edaphon flora, and activating soil is organic to support with inorganic
Point, suppress the generation of soil-borne disease insect pest.
6th, soil composite modifying agent of the invention can improve soil fertility, promote plant growth, improve soil granular knot
Structure, eliminates hardened, improves retain water and nutrients ability.
Embodiment
The composite modifying agent of a kind of reparation farmland pollution soil of the present invention, in parts by weight including following component：
Described complex micro organism fungicide is liquid, and performance is stable, 12 months shelf-lifves.It includes following component：
The newborn bar of Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Bacterium.
Described Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Mass ratio between thing lactobacillus is 1:1:1:1:1:1.
Described Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Effective bacterium number in thing lactobacillus bacterium solution is 1,000,000,000/mL.
The effect of primary raw material used of the invention is as follows：
Pseudomonas alba：Pseudomonas alba is pseudomonas, and the bacterium is straight or slightly curved gram-Negative bacillus, is nothing
Core bacterium, is moved with polar flagella, does not form gemma, chemoorganotrophy, strict aerobic, respiratory metabolism, from azymic.Pattern
Belong to for pseudomonas.It is distributed in soil and water and various plants more, there is the ability of extremely strong decomposing organic matter, can will be many
Organic matter is planted to originate as energy.
Bacillus thuringiensis：Applicable crops widely, are widely used in brassicaceous vegetable, solanaceous vegetables, melon
Class vegetables, tobacco, paddy rice, sorghum, soybean, peanut, sweet potato, cotton, tea tree, apple, pears, peach, jujube, citrus, spine etc. to be planted
Thing；Be mainly used in prevent and treat lepidoptera pest, such as cabbage caterpillar, diamondback moth, beet armyworm, prodenia litura, lopper worm, oriental tobacco budworm,
Corn borer, rice leaf roller.
Bacillus subtilis：Subtilin, polymyxins, the mildew making produced during bacillus subtilis thalli growth
Element, gramicidins isoreactivity material, these active materials have obvious suppression to the conditioned pathogen of pathogenic bacteria or autogenous infection
Make and use.
Bacillus licheniformis：Bacillus licheniformis is a kind of common Gram-positive thermophilic bacteria in soil, enzyme point
The optimum temperature secreted is 37 DEG C；It may exist with spore form, so that rugged environment is resisted, and under good environment, then
State presence can be grown；Antibacterial substance can be produced, pathogenic bacteria are killed；Resistant activity material can be produced, and with uniqueness
Biology take oxygen mechanism, the growth and breeding of pathogenic bacteria can be suppressed.
Trichoderma：Trichoderma, is widely present in the soil under the conditions of varying environment, most of Trichodermas can produce a variety of
There is the bioactive substance of antagonism, such as cell wall degradation enzyme and secondary to plant pathogenic fungi, bacterium and insect
Metabolite, and the resistance of crops can be improved, promote plant growth and improve agricultural output, therefore be widely used in life
Thing preventing and treating, bio-feritlizer and soil conditioner.Because chemical pesticide is more serious to the negative effect of environment, thus to environment compared with
Biological pesticide Trichoderma for close friend is of great interest.
Lactobacillus plantarum：Lactobacillus plantarum is one kind of lactic acid bacteria, and optimum growth temperature is 30~35 DEG C, anaerobism or facultative
Anaerobism, strain is straight or curved shaft-like, and single, sometimes in pairs or into chain, optimal pH 6.5 or so belongs to homofermentation lactic acid
Bacterium.With following 4 functions：1st, purify water：Particularly cultivate the middle and later periods, organic matter is excessive, Heisui River, Lao Shui, strong tea water,
The water quality aging such as red water pond；2nd, pool bottom organic matter is decomposed, deodorization eliminates algae toxin, builds good habitat；3rd, drop
Water body ammonia nitrogen is solved, the harmful substance such as nitrite reduces organic oxygen demand, and indirect oxygenation improves water quality；4th, bath phase, bacterium are maintained
Balance each other, the stable water pH value of reduction.
Peat soil：Peat soil is used for soil improvement, whether for planting the arable soils of flowers or other crops, such as
When fruit has the physical arrangement bad phenomenons such as hardened and hardening, as long as adding appropriate peat as the case may be, just it can improve or extensive
Multiple soil water retention ventilation capacity and fertilizer-preserving ability, reach the purpose for improving yield and increase economic benefit.
Powder of straw：On the one hand the addition of powder of straw acts not only as the primary carbon source of these strain growths, makes microorganism
Amount reproduction, but also the compositions such as the soil organism can be excited with activating soil potential fertility.
Diatomite：Diatomaceous chemical composition is mainly SiO2, contain a small amount of Al2O3、Fe2O3, CaO, MgO etc. and organic
Matter.In agriculture field, WP, dry land herbicide, herbicide for paddy field and various biological pesticides can be used as.
Humic acid：Humic acid can improve the physical arrangement of soil；Humic acid can promote the formation of granule body, enhancing soil
Earth retain water and nutrients ability, to harder soil such as salt-soda soil, can improve the ventilating air permeability of soil, to change surface soil alkalinity
By force, the physicochemical character that grogs is scattered, soil texture is poor, improves tillage condition；Soil chemical characteritics can be improved, sweetening of the soil
Acid-base property, adjusts pH value；Can with chelated mineral cation absorbing in favor of root；Moisture is kept in the root of crop,
It can dissolve inorganic fertilizer and then reduce their loss；Phosphorus and calcium, iron, magnesium, the reaction of aluminium are reduced, or they are turned from invalid state
Change the form that can be absorbed and used by plants into；The noxious material in soil can be reduced.
Zeolite：Agriculturally it is being used as soil conditioner, fertilizer conservation, water conservation can be played, pest and disease damage is prevented.
Activated carbon：The primary raw material of activated carbon can be almost all organic materials rich in carbon, such as coal, timber, shell,
Coconut husk, walnut shell, apricot shell, jujube shell etc..These carbonaceous materials pass through pyrolysis in activation furnace under high temperature and certain pressure
It is converted into activated carbon.In this activation process, huge surface area and complicated pore structure are gradually formed, and activated carbon contains
A large amount of micropores, with huge incomparable surface area, can effectively remove colourity, stink, most of in removable secondary effluent to have
Organic pollutants and some inorganic matters, include some poisonous heavy metals.
Sepiolite：The chemical composition of sepiolite is silicon and magnesium, and sepiolite has extremely strong absorption, decolourize and the property such as scattered
Can, in the agriculturally support material as insecticide, soil disinfection.
Chitosan：Chitosan is the raw material of natural plant nutrient growth promoter-foliar fertilizer, the leaf compounded by chitosan
Leaven, can play a part of fertilizer to plant insecticide, disease-resistant, and plant and animal residues and trace meter member in soil can be decomposed again
Element, so as to be converted into the nutrient of plant, strengthens via plant immunity, promotes the health of plant.
Present invention also offers a kind of preparation method of the composite modifying agent of above-mentioned reparation farmland pollution soil, this method
Realized by following steps：
1st, the preparation of complex micro organism fungicide
Described complex micro organism fungicide, including following component：
The newborn bar of Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Bacterium.
Described Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Mass ratio between thing lactobacillus is 1:1:1:1:1:1.
Described Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Effective bacterium number in thing lactobacillus bacterium solution is 1,000,000,000/mL.
First to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Thing lactobacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, and fermentation temperature is controlled between 30~37 DEG C, and fermentation time is
2~3 days, terminate.Then according to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, trichoderma
Mass ratio between bacterium and Lactobacillus plantarum is 1:1:1:1:1:1 ratio weighs the golden bud of the Pseudomonas alba fermented, Su Yun
Spore bacillus, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution, are well mixed, produce answering for liquid
Close microbial bacterial agent.
2nd, the preparation of microorganism ecological organic conditioner
Described microorganism ecological organic conditioner, in parts by weight, including following component：
Peat soil, powder of straw, cake powder, dipotassium hydrogen phosphate, ammonium sulfate are weighed according to above-mentioned parts by weight, is stirred after mixing
Uniformly, it is 40~50% to keep humidity of materials, and it is 6.5~7.0 to add quick lime regulation pH value；After microwave sterilization, input 3~9
The complex micro organism fungicide of parts by weight, carries out solid fermentation, fermentation temperature is 30 DEG C, when fermentation temperature is raised to 60 after stirring
DEG C when turned；Continue to ferment, when temperature is raised again to 60 DEG C, fermentation is finished, and obtained product is the organic life of microorganism
State conditioner.
The quality of microorganism ecological organic conditioner fermented quality, can test with the following method：The quality fermented
Soft, dark brown, structural integrity, without mildew and rot, caking phenomenon, has light alcohol fragrance, there is certain tart flavour, fermentative microorganism spore
Sub- forming amount reaches more than 80~90%, is optimum efficiency.On the contrary, caking, having mildew and rot, hardened phenomenon, have pungent tart flavour or
Stink, illustrates fermentation failure.
3rd, zeolite, activated carbon, diatomite, sepiolite, humic acid, chitosan are weighed according to above-mentioned parts by weight, through mixed
Crushed after conjunction, the material after crushing is mixed with the microorganism ecological organic conditioner fermented, puddled 5~10 minutes, it is fully mixed
It is even, finished product is made, is the composite modifying agent of the reparation farmland pollution soil of the present invention.
Embodiment 1
A kind of preparation method of the composite modifying agent of reparation farmland pollution soil of the present invention, it is comprised the following steps that：
Step 1: the preparation of complex micro organism fungicide
First to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Thing lactobacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, described Pseudomonas alba, bacillus thuringiensis, withered grass
Bacillus, bacillus licheniformis, effective bacterium number of Trichoderma and Lactobacillus plantarum are 1,000,000,000/mL, and fermentation temperature control exists
Between 30 DEG C, fermentation time is 2.5 days, is terminated.Then according to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis,
Mass ratio between bacillus licheniformis, Trichoderma and Lactobacillus plantarum is 1:1:1:1:1:1 ratio weighs the vacation fermented
Pseudomonas bacillus, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution, mixing
Uniformly, the complex micro organism fungicide of liquid is produced.
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil 40kg, powder of straw 30kg, cake powder 3kg, dipotassium hydrogen phosphate 0.2kg, ammonium sulfate are weighed according to said ratio
Stirred after 0.5kg, mixing, it is 40% to reconcile moisture, and hand pinches agglomerating, has water between webs, but does not flow down, add raw stone
Grey 0.1kg regulations pH value is 6.5, standby after microwave sterilization.After microwave sterilization, complex micro organism fungicide 3kg is put into, stirring is equal
Solid fermentation is carried out after even, molasses 3kg and manganese sulfate 0.038kg is added, promotes microorganism amount reproduction and quickly forms spore；
Fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue ferment, when temperature is raised again to 60 DEG C, also after
It is continuous to turn, detect at any time, fermentation ends Quantity of sporulation is the 80% of bacterium amount, and fermentation is finished, obtained product as microorganism
Ecological organic conditioner.
Step 3: weighing zeolite 20kg, activated carbon 5kg, diatomite 20kg, sepiolite 1kg, humic acid according to said ratio
20kg, chitosan 1kg, are crushed after mixing, and the material after crushing is mixed with the microorganism ecological organic conditioner fermented, are mixed
Mix 5 minutes, fully mix, finished product is made, be the composite modifying agent of the reparation farmland pollution soil of the present invention.Obtained soil
The performance test results of composite modifying agent are shown in Table 1.
Embodiment 2
A kind of preparation method of the composite modifying agent of reparation farmland pollution soil of the present invention, it is comprised the following steps that：
Step 1: the preparation of complex micro organism fungicide
First to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Thing lactobacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, described Pseudomonas alba, bacillus thuringiensis, withered grass
Bacillus, bacillus licheniformis, effective bacterium number of Trichoderma and Lactobacillus plantarum are 1,000,000,000/mL, and fermentation temperature control exists
Between 34 DEG C, fermentation time is 2 days, is terminated.Then according to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis,
Mass ratio between clothing bacillus, Trichoderma and Lactobacillus plantarum is 1:1:1:1:1:It is single that 1 ratio weighs the vacation fermented
Born of the same parents bacillus, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution, mixing are equal
It is even, produce the complex micro organism fungicide of liquid.
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil 50kg, powder of straw 40kg, cake powder 4kg, dipotassium hydrogen phosphate 0.3kg, ammonium sulfate are weighed according to said ratio
Stirred after 1.0kg, mixing, it is 45% to reconcile moisture, and hand pinches agglomerating, has water between webs, but does not flow down, add raw stone
Grey 0.2kg regulations pH value is 7.0, standby after microwave sterilization.After microwave sterilization, complex micro organism fungicide 6kg is put into, stirring is equal
Solid fermentation is carried out after even, molasses 3kg and manganese sulfate 0.038kg is added, promotes microorganism amount reproduction and quickly forms spore；
Fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue ferment, when temperature is raised again to 60 DEG C, also after
It is continuous to turn, detect at any time, fermentation ends Quantity of sporulation is the 95% of bacterium amount, and fermentation is finished, obtained product as microorganism
Ecological organic conditioner.
Step 3: weighing zeolite 30kg, activated carbon 10kg, diatomite 30kg, sepiolite 2kg, rotten plant according to said ratio
Sour 30kg, chitosan 2kg, are crushed after mixing, and the material after crushing is mixed with the microorganism ecological organic conditioner fermented,
Puddle 7 minutes, fully mix, finished product is made, be the composite modifying agent of the reparation farmland pollution soil of the present invention.Obtained soil
The performance test results of earth composite modifying agent are shown in Table 1.
Embodiment 3
A kind of preparation method of the composite modifying agent of reparation farmland pollution soil of the present invention, it is comprised the following steps that：
Step 1: the preparation of complex micro organism fungicide
First to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Thing lactobacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, described Pseudomonas alba, bacillus thuringiensis, withered grass
Bacillus, bacillus licheniformis, effective bacterium number of Trichoderma and Lactobacillus plantarum are 1,000,000,000/mL, and fermentation temperature control exists
Between 37 DEG C, fermentation time is 3 days, is terminated.Then according to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis,
Mass ratio between clothing bacillus, Trichoderma and Lactobacillus plantarum is 1:1:1:1:1:It is single that 1 ratio weighs the vacation fermented
Born of the same parents bacillus, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution, mixing are equal
It is even, produce the complex micro organism fungicide of liquid.
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil 60kg, powder of straw 50kg, cake powder 5kg, dipotassium hydrogen phosphate 0.4kg, ammonium sulfate are weighed according to said ratio
Stirred after 1.5kg, mixing, it is 50% to reconcile moisture, and hand pinches agglomerating, has water between webs, but does not flow down, add raw stone
Grey 0.3kg regulations pH value is 7.0, standby after microwave sterilization.After microwave sterilization, complex micro organism fungicide 9kg is put into, stirring is equal
Solid fermentation is carried out after even, molasses 3kg and manganese sulfate 0.038kg is added, promotes microorganism amount reproduction and quickly forms spore；
Fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue ferment, when temperature is raised again to 60 DEG C, also after
It is continuous to turn, detect at any time, fermentation ends Quantity of sporulation is the 85% of bacterium amount, and fermentation is finished, obtained product as microorganism
Ecological organic conditioner.
Step 3: weighing zeolite 40kg, activated carbon 15kg, diatomite 40kg, sepiolite 3kg, rotten plant according to said ratio
Sour 40kg, chitosan 3kg, are crushed after mixing, and the material after crushing is mixed with the microorganism ecological organic conditioner fermented,
Puddle 10 minutes, fully mix, finished product is made, be the composite modifying agent of the reparation farmland pollution soil of the present invention.It is obtained
The performance test results of soil composite modifying agent are shown in Table 1.
Embodiment 4
A kind of preparation method of the composite modifying agent of reparation farmland pollution soil of the present invention, it is comprised the following steps that：
Step 1: the preparation of complex micro organism fungicide
First to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Thing lactobacillus carries out fermented and cultured respectively, obtains corresponding bacterium solution, described Pseudomonas alba, bacillus thuringiensis, withered grass
Bacillus, bacillus licheniformis, effective bacterium number of Trichoderma and Lactobacillus plantarum are 1,000,000,000/mL, and fermentation temperature control exists
Between 37 DEG C, fermentation time is 3 days, is terminated.Then according to Pseudomonas alba, bacillus thuringiensis, bacillus subtilis,
Mass ratio between clothing bacillus, Trichoderma and Lactobacillus plantarum is 1:1:1:1:1:It is single that 1 ratio weighs the vacation fermented
Born of the same parents bacillus, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution, mixing are equal
It is even, produce the complex micro organism fungicide of liquid.
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil 50kg, powder of straw 40kg, cake powder 4kg, dipotassium hydrogen phosphate 0.2kg, ammonium sulfate are weighed according to said ratio
Stirred after 1.0kg, mixing, it is 50% to reconcile moisture, and hand pinches agglomerating, has water between webs, but does not flow down, add raw stone
Grey 0.2kg regulations pH value is 7.0, standby after microwave sterilization.After microwave sterilization, complex micro organism fungicide 6kg is put into, stirring is equal
Solid fermentation is carried out after even, molasses 3kg and manganese sulfate 0.038kg is added, promotes microorganism amount reproduction and quickly forms spore；
Fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue ferment, when temperature is raised again to 60 DEG C, also after
It is continuous to turn, detect at any time, fermentation ends Quantity of sporulation is the 95% of bacterium amount, and fermentation is finished, obtained product as microorganism
Ecological organic conditioner.
Step 3: weighing zeolite 40kg, activated carbon 15kg, diatomite 40kg, sepiolite 3kg, rotten plant according to said ratio
Sour 40kg, chitosan 3kg, are crushed after mixing, and the material after crushing is mixed with the microorganism ecological organic conditioner fermented,
Puddle 10 minutes, fully mix, finished product is made, be the composite modifying agent of the reparation farmland pollution soil of the present invention.It is obtained
The performance test results of soil composite modifying agent are shown in Table 1.
The field remediation experiment of test example 1
Test objective：Verify and farmland pollution soil composite modifying agent is repaired in embodiment to soil remediation effect
Test area：1 hectare
Test method：Deep ploughing is carried out to agricultural land soil to turn over, depth is 30~60cm, and the farmland of above-described embodiment 1~4 is dirty
Dye soil composite modifying agent is applied to contaminated soil surface, applies thickness 3cm, then contaminated upper soll layer 30cm is thick native
Earth is well mixed with the soil composite modifying agent applied by way of turning over again.
Pumpkin seeds is planted in the polluted farmland soil do not repaired, pumpkin seeds yield is 350 jin, by the present invention
Soil composite modifying agent repair after soil plantation pumpkin seeds, pumpkin seeds yield and repair after soil in cadmium and lead contain
Amount, the content of organics (herein referring to phoxim and DDVP) in soil and pH changes are as shown in table 1.
Table 1
Drawn a conclusion by experiment：The soil composite modifying agent of the gained of embodiment 4 is to repairing farmland pollution soil effect most
It is good, and other take second place.With content of microorganisms, the number of sporogenesis and natural mineral matter in microorganism ecological organic conditioner
Composition, which organically blends, to be undivided, and optimum state is reached to improved soil；Soil after reparation is passed for continuous 3 years without soil
Pest and disease damage occurs, and soil hardening, fertilizer conservation water conservation are obtained for improvement, improves crop yield, improves crop quality.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of composite modifying agent for repairing farmland pollution soil, it is characterised in that in parts by weight including following component：
2. a kind of composite modifying agent for repairing farmland pollution soil according to claim 1, it is characterised in that described compound
Microbial bacterial agent includes following component：Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, wood
Mould and Lactobacillus plantarum；
The newborn bar of the Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and plant
Mass ratio between bacterium is 1:1:1:1:1:1.
3. a kind of composite modifying agent for repairing farmland pollution soil according to claim 2, it is characterised in that described false single
Having in born of the same parents bacillus, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution
It is 1,000,000,000/mL to imitate bacterium number.
4. a kind of composite modifying agent for repairing farmland pollution soil according to claim 1, it is characterised in that this, which is combined, changes
Good dose includes following component in parts by weight：
5. a kind of method of the composite modifying agent of reparation farmland pollution soil in Claims 1-4 described in any one is prepared,
It is characterised in that it includes following steps：
Step 1: the preparation of complex micro organism fungicide
To Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum
Carry out fermented and cultured respectively, obtain corresponding bacterium solution, 30~37 DEG C of fermentation temperature, fermentation time 2~3 days, after fermentation ends, institute
State Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma and Lactobacillus plantarum bacterium solution
In effective bacterium number be 1,000,000,000/mL；
By Pseudomonas alba, bacillus thuringiensis, bacillus subtilis, bacillus licheniformis, Trichoderma, Lactobacillus plantarum
Mass ratio is 1:1:1:1:1:1 ratio weighs each bacterium solution, is well mixed, and obtains the complex micro organism fungicide of liquid；
Step 2: the preparation of microorganism ecological organic conditioner
Peat soil, powder of straw, cake powder, dipotassium hydrogen phosphate, ammonium sulfate are weighed by weight, are stirred, humidity is maintained at 40
~50%, it is 6.5~7.0 to add quick lime regulation pH；After microwave sterilization, complex micro organism fungicide is put into, is stirred laggard
Row solid fermentation, fermentation temperature is 30 DEG C, is turned when fermentation temperature is raised to 60 DEG C；Continue to ferment, treat that temperature is raised again to
At 60 DEG C, fermentation is finished, and obtains microorganism ecological organic conditioner；
Step 3: weigh zeolite, activated carbon, diatomite, sepiolite, humic acid, chitosan by weight, after crushed with it is micro-
Organic ecological conditioner is mixed, and is puddled 5~10 minutes, produces the composite modifying agent for repairing farmland pollution soil.
6. preparation method according to claim 5, it is characterised in that in step one, 37 DEG C of fermentation temperature, fermentation time 3
My god.
7. preparation method according to claim 5, it is characterised in that in step 2, humidity is maintained at 50%.
8. preparation method according to claim 5, it is characterised in that in step 2, regulation pH is 7.0.
9. preparation method according to claim 5, it is characterised in that in step 2, Quantity of sporulation for bacterium amount 80~
Fermentation is finished when 95%.
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