CN106171098A - The method of the improvement of a kind of soil and improvement soil - Google Patents
The method of the improvement of a kind of soil and improvement soil Download PDFInfo
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- CN106171098A CN106171098A CN201510945954.4A CN201510945954A CN106171098A CN 106171098 A CN106171098 A CN 106171098A CN 201510945954 A CN201510945954 A CN 201510945954A CN 106171098 A CN106171098 A CN 106171098A
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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
- 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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- 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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Abstract
The modification method that the invention discloses a kind of soil and the improvement soil prepared by the method, the inventive method comprises the following steps that 1) agriculture and forestry organic waste material is carried out compost fermentation process, it is thus achieved that agriculture and forestry organic waste material composting substrate；2) by humic acid, graphene oxide and agriculture and forestry organic waste material composting substrate mix homogeneously, it is modified processing, prepares soil conditioner；3) soil conditioner is added in soil, mix homogeneously.The present invention utilizes the composting substrate of agriculture and forestry organic waste material, humic acid and graphene oxide improvement soil, make the soil nutrient equilibrium after improvement, nutrient composition content is high, rational in infrastructure, physical property is stable, it is easy to plant absorption, meets plant growing needs, improve survival rate and the appreciation effect of plant culture.
Description
Technical field
The present invention relates to the Application way of a kind of agriculture and forestry organic waste material, utilize agricultural organic castoff compost substrate to change particularly to one
The method of good soil and the improvement soil prepared by the method.
Background technology
Soil pollution is primarily referred to as in soil the organic waste that houses or toxic garbage is too much, affect or exceeded soil from
Net energy power, thus and create injurious effects on epidemiology on hygiology.Subsoil water, surface water are caused by soil pollution
Secondary pollution, can enter human body by drinking water or soil_plant_atmosphere continuum via food chain, jeopardize human health.Soil quality
Relating to the animals and plants productivity, the quality of big gas and water and the health of the mankind, the soil management paid close attention in ecosystem is asked with protection
Inscribe significant.How to repair contaminated soil and become the important topic of current research.
Soil remediation is the technical measures making to suffer contaminated soil to recover normal function, by shifting, absorb, degrade and converting
Pollutant in soil so that it is concentration is reduced to acceptable level, or poisonous and hazardous pollutant are converted into harmless material.
Basically, the know-why of contaminated soil remediation can be summarized as: 1, change pollutant existing forms in soil or its with
The combination of soil, reduces its transportable property in the environment and bioavailability；2, the dense of harmful substance in soil is reduced
Degree.The recovery technique research of contaminated soil becomes the emphasis of current environmental engineering Science and Technology research.
The most conventional contaminated soil remediation method mostly is physics and chemical method, although directly, quickly, but lasting effect is poor, makes
Improper by method or consumption, cause soil compaction, Nutrient Cycling to be interrupted, in soil, quality constantly declines, and reduces environment
Detergent power, directly result in plant growing amount simultaneously and reduce, the life-span shortens the most accordingly, adds afforestation vegetation and remove, change
Cost with soil moved in improve the original displacement.
The present invention uses agriculture and forestry organic waste material (such as garden waste, straw, mushroom slag) compost product to be raw material, and add a fixed number
The humic acid of amount and graphene oxide, by simple, economic synthetic technology, prepare soil conditioner, have stronger absorption
Property and ion exchangeable, can reach reparation and be polluted soil of effect, organic matter and nutrient are given back soil simultaneously, increase soil
Fertility, improves plant recovery of nutrient, alleviates soil depletion present situation, to improving soil quality and promoting that plant growing plays an important role.
Summary of the invention
The primary and foremost purpose of the present invention is for technical problem present in existing soil amelioration techniques, it is provided that one utilizes agricultural to discard
Thing (such as garden waste, straw, mushroom slag) compost product, humic acid and graphene oxide prepare soil conditioner and conditioned soil
The method of earth.The soil conditioner of the present invention is cheap, and promoting for contaminated soil remediation and soil quality provides technical support.
The present invention not only makes agricultural organic waste obtain resource recycling, and the soil conditioner stable in properties prepared, persistency
Good, to promoting that ecosystem balance will play an important role.
For realizing the purpose of the present invention, one aspect of the present invention provides the modification method of a kind of soil, comprises the following steps that
1) agriculture and forestry organic waste material is carried out compost fermentation process, it is thus achieved that agriculture and forestry organic waste material composting substrate；
2) by humic acid, graphene oxide and agriculture and forestry organic waste material composting substrate mix homogeneously, it is modified processing, prepares soil
Soil improver；
3) soil conditioner is added in soil, mix homogeneously.
Wherein, step 1) described in agriculture and forestry organic waste material be agriculture, woods, herd, each industry of fishing, produce, process and daily life process
The garbage of middle generation.
Particularly, described agriculture and forestry organic waste material selects branch, bark, fallen leaves, wheat straw, rice straw, corn straw, in mushroom slag
One or more.
Wherein, step 1) described in compost fermentation process comprise the steps: 1A) spray water in agriculture and forestry organic waste material, regulation
Agriculture and forestry organic waste material moisture content；1B) in agriculture and forestry organic waste material, add microbial bacterial agent, after stirring, carry out fermentation process.
Particularly, described regulation agriculture and forestry organic waste material moisture content is 50-65%.
Especially, also include step 1A-1) described agriculture and forestry organic waste material is crushed to the granule of particle diameter≤5cm after, then regulate agriculture
The moisture content of woods garbage.
Particularly, the particle diameter of the agriculture and forestry organic waste material granule after described pulverizing is 2-5cm.
Especially, also include step 1A-2) in agriculture and forestry organic waste material add feces of livestock and poultry or/and nitrogenous fertilizer, the described agricultural of regulation give up
After the carbon-nitrogen ratio of gurry is 20-40:1, then carry out described regulation garbage moisture content.
Particularly, described feces of livestock and poultry selects chicken manure, pig manure or cattle manure；Described nitrogenous fertilizer selects carbamide.
Wherein, step 1B) described in the described microbial bacterial agent that adds in every 100kg agriculture and forestry organic waste material in fermentation treatments
Volume 0.15-0.25L, preferably 0.2L.
Particularly, step 1B) described in microbial bacterial agent select VT-1000 microbial inoculum, EM microbial inoculum, preferably VT-1000 bacterium
Agent.
Especially, living bacteria count >=2 × 10 in described VT-1000 microbial inoculum8Individual/ml, mainly by photosynthetic bacteria, actinomycetes, breast
The acid bacterial strain such as bacterium, yeast is constituted.
Wherein, step 1B) described in fermentation process include the step that order below is carried out:
1B-1) that the microbial bacterial agent stirred, agriculture and forestry organic waste material heap is in heaps, carry out fermentation of banking up, and fermented banking up
Journey monitors temperature and the moisture content of heap body；
1B-2) when heap temperature is increased to 55 DEG C, carry out turning process；
1B-3) when heap temperature is increased to more than 60 DEG C, within every 2-5 days, carry out a turning and process, and regulate heap body moisture content；
1B-4) when heap temperature is reduced to below 55 DEG C, within every 7-12 days, carry out a turning and process；
1B-5) drop to less than 35 DEG C when heap temperature, and when within continuous two days, temperature difference is less than 0.5 DEG C, stop turning；
1B-6) continue to bank up 30-60 days by the fermentation hybrid reactor body stopping turning, to obtain final product.
Particularly, step 1B-1) described in control heap body moisture content be 50-60%；Step 1B-3) in heap temperature exist
When 60-68 DEG C, within every 2-5 days, carry out a turning and process；Step 1B-3) in regulation heap body moisture content be 50-60%.
Wherein, step 2) described in agriculture and forestry organic waste material composting substrate, humic acid, the weight of graphene oxide be 70-95:
0.001-1:0.001-1, preferably 70-95:0.001-0.08:0.001-0.08, further 80-95:0.005-0.01:0.005-0.01.
Particularly, step 2) described in the temperature of modification be 100-120 DEG C, the modification time is >=2h, preferably 2-5h.
Especially, step 2) described in modification be by agriculture and forestry organic waste material composting substrate, humic acid, graphene oxide mixing
After Jun Yun under conditions of temperature is 100-120 DEG C, stir at least 2h.
Wherein, described soil conditioner is modified processing as follows:
2-1) preparation humic acid solution
Humic acid is joined in alkaline solution, stirring, dissolve, prepare humic acid solution；
2-2) preparation graphene oxide solution
Adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide solution；
2-3) prepare soil conditioner
By agriculture and forestry organic waste material composting substrate, humic acid solution, graphene oxide solution mixing, mix thoroughly, at 100-120 DEG C
It is modified processing, obtains soil conditioner.
Particularly, step 2-1) described in alkaline solution select concentration to be the sodium hydroxide solution of 0.15-0.25mol/L, be preferably
The sodium hydroxide solution of 0.2mol/L.
Especially, the mass body volume concentrations of described humic acid solution is 1-25g/L, preferably 1g/L.
Particularly, described humic acid weight is 1-25:1, preferably 1:1 with the ratio of the volume of alkaline solution, will often 1-25g corruption
Grow acid and be dissolved in 1L alkaline solution or by every 1-25kg humic acid solution 1000L alkaline solution.
Wherein, step 2-2) described in the mass body volume concentrations of graphene oxide solution be 0.05-5g/L, preferably 5g/L.
Particularly, the weight of described graphene oxide is 0.05-5:1, preferably 5:1 with the ratio of the volume of water, will every 0.05-5g
Graphene oxide is dissolved in 1L water or every 0.05-5kg graphene oxide is dissolved in 1000L water.
Wherein, step 2-3) described in agriculture and forestry organic waste material composting substrate, humic acid solution, the weight portion of graphene oxide solution join
Ratio is 70-95:1-15:1-20, preferably 80-95:5-10:5-10.
Particularly, step 2-3) described in humic acid in agriculture and forestry organic waste material composting substrate, humic acid solution, graphene oxide molten
The weight of the graphene oxide in liquid is 70-95:0.001-1:0.001-1, preferably 70-95:
0.001-0.08:0.001-0.08, further 80-95:0.005-0.01:0.005-0.01.
Particularly, step 2-3) described in the temperature of modification be 100-120 DEG C, the modification time is >=2h, is preferably
2-5h。
Wherein, step 3) described in the weight of soil conditioner and soil be 1-30:100, preferably 5-25:100.
Particularly, described soil selects basic soil.
Especially, the pH of described basic soil > 7.5, preferably 7.5-9.5.
Another aspect of the present invention provides a kind of improvement soil made according to above-mentioned modification method.
Compared with prior art, present invention have the advantage that
1, the improvement soil physical properties that prepared by the inventive method improved treatment is stable, the cultivation matrix soda acid appropriateness of preparation, and base
Matter is balanced in nutrition, the suitable flower growth of nutrient ion concentration.
2, the improvement soil of the present invention with the addition of by humic acid, graphene oxide, agriculture and forestry organic waste material composting substrate modification system
The soil conditioner obtained, optimizes the environmental condition of plant growing soil, makes the Nutrient Cycling of soil ecosystem closely carry out,
Increasing soil organic matter content, soil organic matter content adds nearly 1 times, and effective NPK content amplification is relatively big, and soil has
Machine matter is the main source of the various nutrients such as the nitrogen phosphate and sulfur needed for plant, trace element, promotes growth and development of plants.
3, the improvement soil of the present invention with the addition of by humic acid, graphene oxide, agriculture and forestry organic waste material composting substrate modification system
The soil conditioner obtained, increases content of humic acid, improves acid or alkali environment, have certain solvability to soil mineral part, promotees
Enter Minerals And Rocks air slaking, beneficially nutrient validation；Surface of graphene oxide contains several functions functional group, such as carboxyl, hydroxyl
With epoxy radicals etc., the hydrophilic of agriculture and forestry organic waste material (such as garden waste, straw, mushroom slag) compost product can be improved, improve soil
Earth effect water capacity, makes more water can utilize for plant；Humus in the soil conditioner of the present invention is loose porous, is again
Hydrophilic colloid, can sticking large quantity of moisture.
4, the soil conditioner of the present invention also has certain impact to soil heat regime.The soil conditioner being newly added is dark matter,
Adding to and can substantially deepen soil color in soil on a small quantity, color is the deepest, heats up the fastest.
5, the soil conditioner of the present invention have huge surface area and surface can, its-OH and-COOH can dissociate H+So that it is band
There is negative electricity, simultaneously-NH2H can be captured+Making it with positive electricity, heavy metal-polluted soil can be adsorbed onto its surface by this charging property,
Temporarily save, it is to avoid run off, strengthen soil heavy metal ion and the absorbability of harmful substance, reduce heavy metal-polluted soil
Content.
6, the soil conditioner of the present invention makes soil microbe quantity (antibacterial, fungus, actinomycetes) have increase by a relatively large margin,
By oxygen and the exchange of carbon dioxide of microbiota metabolic activity, and the organic acid etc. of secretion contributes to soil particle and is formed greatly
Crumb structure, strengthen nitrogen fixation simultaneously, and promote the organic and decomposition of mineral, wherein antibacterial amplification is maximum, soil
Modifying agent increases soil microbial biomass and enzymatic activity, accelerates germination, strengthens improving activity of root system, reaches to promote the effect of plant growing
Really；And the soil conditioner of the present invention can also kill harmful levels of pathogens, virus and rhizosphere nematode, reduce disease pest harm ability, give
Soil and plant create a pleasant ecological environment.
7, the present invention adds organic environmental-protection in agriculture and forestry organic waste material composting substrate and nano material prepares soil conditioner, passes through ion
Displacement and chemisorbed, solve soil pH and the high bottleneck problem of EC value, formulation stable, avirulence, carry for soil improvement
Supply new method.
Detailed description of the invention
Further describe the beneficial effect of formula of the present invention below by detailed description of the invention, these embodiments are only examples
Property, the scope of the present invention is not constituted any restriction.It will be understood by those skilled in the art that without departing from the present invention
Formula thinking, the details of technical solution of the present invention and form can be modified or replace under purposes scope, but these amendments
Each fall within protection scope of the present invention with replacement.
Humic acid employed in the embodiment of the present invention: purchased from Baoding ten thousand humic acid research and development centre of biochemistry group of state, crystalloid
Granule, HA >=60%, organic >=80%.Water content 18%, full nitrogen 0.16%, organic carbon 40.60%；Microbial bacterial agent is
VT-1000 microbial inoculum, purchased from Beijing Voto Sky & Land Biotech Co., Ltd., mainly by photosynthetic bacteria, actinomycetes, lactic acid bacteria,
Nearly 10 bacterial strains such as yeast are constituted, and effective viable bacteria is no less than 2 × 108Individual/ml；Graphene oxide: aoxidize purchased from Suzhou perseverance ball
Graphene Science and Technology Ltd., brownish-yellow powder, thickness: 3.4-8nm, the number of plies: 5-10 layer, there is the specific surface area of super large
(100-300m2/ g) and hydrophilic, belong to application prospect c-based nanomaterial widely.
Embodiment 1
1, the pretreatment of agriculture and forestry organic waste material raw material
1-1) use pulverizer that garden waste branch (branch that willow, Sophora japonica L., willow etc. are pruned) is carried out pulverization process,
Cross the sieve that aperture is 2cm, make the garbage granule of particle diameter≤2cm；
1-2) adding carbamide in garbage granule, the C/N ratio of regulation garbage granule for 30:1, prepares compost fermentation granule.
In the present invention in addition to using carbamide regulation garbage granule C/N ratio, it is also possible to use feces of livestock and poultry (such as cattle manure, chicken
Excrement, horsehit etc.) increase the nitrogen content of garbage.
During the fermentation, the fermentation substrate that ferment particulate is 20-50mm grade that the present invention selects, sending out in this size fraction ranges
Ferment granule is the primary particles size fraction ranges of optimum agriculture and forestry organic waste material high-efficiency fermenting, forms a good aerobic fermentation environment,
The exchange of the oxygen in composting process and carbon dioxide can be effectively facilitated, increase porosity, improve compost water conservation and moisture holding capacity,
Improve ventilating permeable and the unit weight of material in composting process, accelerate the programming rate of composting process, for microorganism breeding and point
Solution activity provides a good physicochemical environment, optimizes the process control condition of composting process, and suitable granule grade is permissible
The material making the lignin in agriculture and forestry organic waste material, cellulose etc. be difficult to decompose quickly is decomposed by the microorganisms, and significantly shortens compost fermentation
The process time.
2, compost treatment
2-1) spray water in compost fermentation granule, prepared moisture content is the compost fermentation granule of 60%；
2-2) microbial bacterial agent is joined in the compost fermentation granule that moisture content is 60%, stirring and evenly mixing, prepares fermenting mixture,
Wherein, interpolation 0.20L microbial bacterial agent in the weight (dry weight) of every 100kg garbage granule in compost fermentation granule, wherein,
Effective viable bacteria >=2 × 10 in VT microbial inoculum8Individual/ml, effective viable bacteria is mainly by photosynthetic bacteria, actinomycetes, lactic acid bacteria, yeast etc.
Nearly 10 bacterial strains are constituted；
2-3) being stacked in fermentation tank by fermenting mixture, carry out banking up fermentation process, and monitors temperature and the moisture content of heap body,
The most each heap body width 2m, waste height 1.5m.
In the present invention, the width of garbage fermentation hybrid reactor body should be not less than 1m, and waste height determines according to the particular type of fermentation,
Indoor compost, is not less than 1m, outdoor compost, is not less than 2m.
2-4) it is stacked in fermentation tank from fermenting mixture and starts calculating and bank up fermentation time, and monitor heap temperature and moisture content,
Along with the carrying out of fermentation, heap temperature first raises and then declines, and during banking up when heap temperature rises to 55 DEG C, turns over
Heap is once；Along with the carrying out of fermentation, compost enters the megathermal period, when heap temperature is increased to more than 60 DEG C, heap temperature 60～
When 68 DEG C, every 2d turning once, makes heap body moisture content be maintained at 60% to heap body water spray simultaneously；If heap temperature is more than 68 DEG C
Time turning immediately, reduce heap temperature, simultaneously during turning control heap body moisture content make to remain 60%；When heap temperature reduces,
Entering compost cooldown period, when heap temperature is reduced to below 45 DEG C, every 12d turning is once；When heap temperature drops to 35 DEG C
Hereinafter, and when within continuous two days, temperature difference is less than 0.5 DEG C, turning is stopped；
2-5) continue to bank up 45d by the fermentation hybrid reactor body removal compost place stopping turning, it is thus achieved that agriculture and forestry organic waste material composting substrate.
3, soil conditioner is prepared
3-1) preparation humic acid solution
Humic acid is joined in alkaline solution (concentration is the sodium hydroxide solution of 0.20mol/L), stirring, it is uniformly dissolved, system
Becoming humic acid solution, wherein the concentration of humic acid solution is 1g/L, will 1g humic acid to be dissolved in the sodium hydroxide of 0.2mol/L molten
Liquid, and constant volume is to 1L, say, that in humic acid solution, the weight of humic acid is 1:1 with the ratio of the volume of alkaline solution, i.e.
Every 1g humic acid is dissolved in 1L alkaline solution or every 1kg humic acid is dissolved in 1000L alkaline solution.
Embodiment of the present invention neutral and alkali solution is in addition to the sodium hydroxide solution selecting concentration to be 0.20mol/L, and remaining concentration is
The sodium hydroxide solution of 0.15-0.25mol/L is all applicable to the present invention；The ratio of humic acid weight and the volume of alkaline solution except for
Outside 1:1, remaining 1-25:1 is also applied for the present invention.
3-2) preparation graphene oxide solution
Adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide water solution, wherein graphene oxide solution
Concentration be 1g/L, will be dissolved in deionized water by 1g graphene oxide, and constant volume be to 1L, say, that graphite oxide
In alkene solution, the weight of graphene oxide is 1:1 with the ratio of the volume of aqueous solution, and i.e. every 1g graphene oxide is dissolved in 1L water or every
1kg graphene oxide is dissolved in 1000L water.This solution can remain stable over, if long-time place after bottom produce precipitation or
Solution generation agglomeration, can eliminate for ultrasonic 15-30 minute.
In the embodiment of the present invention, graphene oxide weight and the ratio of the volume of aqueous solution are in addition to for 1:1, and remaining 0.05-5:1 also fits
For the present invention.
3-3) soil conditioner is prepared in modification
By agriculture and forestry organic waste material composting substrate, humic acid solution, graphene oxide solution mixing, mix thoroughly, put in reactor,
Under 100-120 DEG C (preferably 110 DEG C), stirring mixing, is modified processing 2 hours, obtains soil conditioner, through simple
Modification, humic acid arrives inside graphene oxide, increases its lamellar structure, the soil conditioner interlamellar spacing of generation, specific surface
Long-pending and adsorptivity increases, and has stronger hydrophilic, ion exchangeable, and complexing and higher absorbability, wherein, agricultural are given up
Gurry composting substrate, humic acid solution, the weight proportion of graphene oxide solution are 80:10:10, i.e. agriculture and forestry organic waste material compost base
In the weight of matter, humic acid solution, in the weight of humic acid, graphene oxide solution, the weight ratio of graphene oxide is 80:0.01:
0.01。
4, soil improvement processes
Soil conditioner is added in soil, mix homogeneously, obtain improvement soil, wherein soil conditioner and the weight of soil
Ratio be 25:100.
Using the pH value of Potentiometric Determination improvement soil, concrete assay method is as follows:
The improvement soil air-dried prepared by the present embodiment mixes with the ratio that hydromining solid-to-liquid ratio is 10:25 (W/V), uses Glass rod
Agitation 1min, after placing 10min, uses acidometer to measure the pH value of supernatant.
Using conductivity meter to measure the EC value of improvement soil, concrete assay method is as follows:
The improvement soil air-dried prepared by the present embodiment mixes with the ratio that hydromining solid-to-liquid ratio is 10:50 (W/V), vibration
Filter after 10min, use conductivity meter to measure the EC value of filtrate.
Using potassium bichromate titrimetric method Outside Heating Method to measure the content of organic matter of improvement soil, concrete assay method is as follows: to
The hard test tube being dried adds after air-drying soil, add K2Cr2O7Standard solution and dense H2SO4, then test tube is existed
Make liquid boiling 5min in test tube at 170-180 DEG C, then pour out tube contents, titrate with ferrous sulfate standard solution,
According to the consumption of ferrous sulfate, calculate the content of organic matter.
Using alkaline hydrolysis diffusion method to measure the alkali-hydrolyzable nitrogen content of soil, concrete assay method is as follows: weigh air-dried soil sample 2.00 grams and 1
Gram ferrous sulfate, uniform spreading in diffusion boat mistress, level Rotational diffusion ware gently, make sample uniformly pave, then in diffusion
Adding 2ml2% boric acid solution in ware in room, and drip 1 titration nitrogen mixed indicator, the mistress edge of diffusion boat is uniform the most again
Coating vaseline, then cover clouded glass, and rotate for several times, make clouded glass bond completely with ware edge, bubble-free, with leakproof
Gas, more slowly turn on clouded glass, make diffusion boat expose a slit, be rapidly added 1.8mol/L sodium hydroxide solution 10ml
In the mistress of ware, cover tightly with clouded glass immediately, the Rotational diffusion ware gently of level, make solution fully mix with soil, use rubber
Rubber band is fixed, and is subsequently placed in 40 degree of calorstats, takes out diffusion boat, use 0.01mol/L hydrochloric acid standard solution after 24 hours, and half
Ammonia amount absorbed in the boric acid of microburet titration interior room, is terminal by blueness to blush, writes down hydrochloric acid standard solution consumption
Volume, do blank experiment simultaneously, calculate the alkali-hydrolyzable nitrogen content of soil.
Use NaHCO3Extraction molybdenum antimony resistance colorimetric method measures the rapid available phosphorus of improvement soil；Use NH4OAc extracts flame spectrometry
Measure the available potassium of improvement soil.
Using dilution plate to cultivate counting method and measure the improvement antibacterial of soil, fungus, actinomycetes content, concrete assay method is as follows:
Weighing improvement pedotheque 5g, load in 90ml sterilized water, vibrate 30min, takes 1ml soil supension in equipped with 9ml sterilized water
Test tube in, fully mix, then take 1ml soil supension in the test tube equipped with 9ml sterilized water, fully mix, repeatedly dilute
5 times.Then draw in the culture dish that the different each 0.1ml of dilution bacteria suspension has solidified to culture medium, with spatula coating uniformly,
Count of bacteria uses beef-protein medium, 35 DEG C of calorstat moisturizings to cultivate 2-3d；Actinomycetes use the Gause I of improvement
Culture medium, 5-7d is cultivated in 28 DEG C of calorstat moisturizings；Fungus PDA culture medium, in 25 DEG C of calorstats, 2-4d is cultivated in moisturizing.Root
The number count of Soil Microorganism is carried out according to colony-forming units (cfu).
The performance indications testing result of improvement soil is as shown in table 1,2.
Embodiment 2
1, the pretreatment of agriculture and forestry organic waste material raw material
1-1) use pulverizer that garden waste branch (branch that willow, Sophora japonica L., willow etc. are pruned) is carried out pulverization process,
Cross the sieve that aperture is 3cm, make the garbage granule of particle diameter≤3cm；
1-2) adding carbamide in garbage granule, the C/N ratio of regulation garbage granule for 20:1, prepares compost fermentation granule.
2, compost treatment
2-1) spray water in compost fermentation granule, prepared moisture content is the compost fermentation granule of 65%；
2-2) microbial bacterial agent is joined in the compost fermentation granule that moisture content is 65%, stirring and evenly mixing, prepares fermenting mixture,
Wherein, interpolation 0.25L microbial bacterial agent in the weight (dry weight) of every 100kg garbage granule in compost fermentation granule, wherein,
Effective viable bacteria >=2 × 10 in VT microbial inoculum8Individual/ml, effective viable bacteria is mainly by photosynthetic bacteria, actinomycetes, lactic acid bacteria, yeast etc.
Nearly 10 bacterial strains are constituted；
2-3) being stacked in fermentation tank by fermenting mixture, carry out banking up fermentation process, and monitors temperature and the moisture content of heap body,
The most each heap body width 2m, waste height 1.5m.
2-4) it is stacked in fermentation tank from fermenting mixture and starts calculating and bank up fermentation time, and monitor heap temperature and moisture content,
Along with the carrying out of fermentation, heap temperature first raises and then declines, and during banking up when heap temperature rises to 55 DEG C, turns over
Heap is once；Along with the carrying out of fermentation, compost enters the megathermal period, when heap temperature is increased to more than 60 DEG C, heap temperature 60～
When 68 DEG C, every 5d turning once, makes heap body moisture content be maintained at 60% to heap body water spray simultaneously；If heap temperature is more than 68 DEG C
Time turning immediately, reduce heap temperature, simultaneously during turning control heap body moisture content make to remain 60%；When heap temperature reduces,
Entering compost cooldown period, when heap temperature is reduced to below 45 DEG C, every 12d turning is once；When heap temperature drops to 35 DEG C
Hereinafter, and when within continuous two days, temperature difference is less than 0.5 DEG C, turning is stopped；
2-5) continue to bank up 30d by the fermentation hybrid reactor body removal compost place stopping turning, it is thus achieved that agriculture and forestry organic waste material composting substrate.
3, soil conditioner is prepared
3-1) preparation humic acid solution
Humic acid is joined in alkaline solution (concentration is the sodium hydroxide solution of 0.20mol/L), stirring, it is uniformly dissolved, system
Becoming humic acid solution, wherein the concentration of humic acid solution is 1g/L, will 1g humic acid to be dissolved in the sodium hydroxide of 0.2mol/L molten
Liquid, and constant volume is to 1L, say, that in humic acid solution, the weight of humic acid is 1:1 with the ratio of the volume of alkaline solution, i.e.
Every 1g humic acid is dissolved in 1L alkaline solution or every 1kg humic acid is dissolved in 1000L alkaline solution.
3-2) preparation graphene oxide solution
Adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide water solution, wherein graphene oxide solution
Concentration be 1g/L, will be dissolved in deionized water by 1g graphene oxide, and constant volume be to 1L, say, that oxidation stone
In ink alkene solution, the weight of graphene oxide is 1:1 with the ratio of the volume of aqueous solution, and i.e. every 1g graphene oxide is dissolved in 1L water or every
1kg graphene oxide is dissolved in 1000L water.This solution can remain stable over, if long-time place after bottom produce precipitation or
Solution generation agglomeration, can eliminate for ultrasonic 15-30 minute.
3-3) soil conditioner is prepared in modification
By described agriculture and forestry organic waste material compost product, humic acid solution, graphene oxide solution mixing, mix thoroughly, put in reactor,
Under 100-120 DEG C (preferably 120 DEG C), stir hybrid reaction 2 hours, obtain soil conditioner, through simple modified,
Humic acid arrives inside graphene oxide, increases its lamellar structure, soil conditioner interlamellar spacing, specific surface area and the absorption of generation
Property increase, have stronger hydrophilic, ion exchangeable, complexing and higher absorbability.Wherein, agriculture and forestry organic waste material compost
Substrate, humic acid solution, the weight proportion of graphene oxide solution are 90:5:5, i.e. agriculture and forestry organic waste material composting substrate weight,
In humic acid solution, in the weight of humic acid, graphene oxide solution, the weight ratio of graphene oxide is 90:0.005:0.005.
4, soil improvement processes
Soil conditioner is added in soil, mix homogeneously, obtain improvement soil, wherein soil conditioner and the weight of soil
Ratio be 15:100.
The performance indications testing result of improvement soil is as shown in table 1,2.
Embodiment 3
1, the pretreatment of agriculture and forestry organic waste material raw material
1-1) use pulverizer that garden waste branch (branch that willow, Sophora japonica L., willow etc. are pruned) is carried out pulverization process,
Cross the sieve that aperture is 2.5cm, make the garbage granule of particle diameter≤2.5cm；
1-2) adding carbamide in garbage granule, the C/N ratio of regulation garbage granule for 40:1, prepares compost fermentation granule.
2, compost treatment
2-1) spray water in compost fermentation granule, prepared moisture content is the compost fermentation granule of 50%；
2-2) microbial bacterial agent is joined in the compost fermentation granule that moisture content is 50%, stirring and evenly mixing, prepares fermenting mixture,
Wherein, interpolation 0.15L microbial bacterial agent in the weight (dry weight) of every 100kg garbage granule in compost fermentation granule, wherein,
Effective viable bacteria >=2 × 10 in VT microbial inoculum8Individual/ml, effective viable bacteria is mainly by photosynthetic bacteria, actinomycetes, lactic acid bacteria, yeast etc.
Nearly 10 bacterial strains are constituted；
2-3) being stacked in fermentation tank by fermenting mixture, carry out banking up fermentation process, and monitors temperature and the moisture content of heap body,
The most each heap body width 2m, waste height 1.5m.
2-4) it is stacked in fermentation tank from fermenting mixture and starts calculating and bank up fermentation time, and monitor heap temperature and moisture content,
Along with the carrying out of fermentation, heap temperature first raises and then declines, and during banking up when heap temperature rises to 55 DEG C, turns over
Heap is once；Along with the carrying out of fermentation, compost enters the megathermal period, when heap temperature is increased to more than 60 DEG C, heap temperature 60～
When 68 DEG C, every 3d turning once, makes heap body moisture content be maintained at 50% to heap body water spray simultaneously；When heap temperature reduces, enter
Entering compost cooldown period, when heap temperature is reduced to below 45 DEG C, every 9d turning is once；When heap temperature drops to 35 DEG C
Hereinafter, and when within continuous two days, temperature difference is less than 0.5 DEG C, turning is stopped；
2-5) continue to bank up 60d by the fermentation hybrid reactor body removal compost place stopping turning, it is thus achieved that agriculture and forestry organic waste material composting substrate.
3, soil conditioner is prepared
3-1) preparation humic acid solution
Humic acid is joined in alkaline solution (concentration is the sodium hydroxide solution of 0.20mol/L), stirring, it is uniformly dissolved, system
Becoming humic acid solution, wherein the concentration of humic acid solution is 1g/L, will 1g humic acid to be dissolved in the sodium hydroxide of 0.2mol/L molten
Liquid, and constant volume is to 1L, say, that in humic acid solution, the weight of humic acid is 1:1 with the ratio of the volume of alkaline solution, i.e.
Every 1g humic acid is dissolved in 1L alkaline solution or every 1kg humic acid is dissolved in 1000L alkaline solution.
3-2) preparation graphene oxide solution
Adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide water solution, wherein graphene oxide solution
Concentration be 1g/L, will be dissolved in deionized water by 1g graphene oxide, and constant volume be to 1L, say, that oxidation stone
In ink alkene solution, the weight of graphene oxide is 1:1 with the ratio of the volume of aqueous solution, and i.e. every 1g graphene oxide is dissolved in 1L water or every
1kg graphene oxide is dissolved in 1000L water.This solution can remain stable over, if long-time place after bottom produce precipitation or
Solution generation agglomeration, can eliminate for ultrasonic 15-30 minute.
3-3) soil conditioner is prepared in modification
By described agriculture and forestry organic waste material compost product, humic acid solution, graphene oxide solution mixing, mix thoroughly, put in reactor,
Under 100-120 DEG C (preferably 100 DEG C), stir hybrid reaction 2 hours, obtain soil conditioner, through simple modified,
Humic acid arrives inside graphene oxide, increases its lamellar structure, soil conditioner interlamellar spacing, specific surface area and the absorption of generation
Property increase, have stronger hydrophilic, ion exchangeable, complexing and higher absorbability.Wherein, agriculture and forestry organic waste material compost
Substrate, humic acid solution, the weight proportion of graphene oxide solution are 85:10:5, i.e. agriculture and forestry organic waste material composting substrate weight,
In humic acid solution, in the weight of humic acid, graphene oxide solution, the weight ratio of graphene oxide is 85:0.01:0.005.
4, soil improvement processes
Soil conditioner is added in soil, mix homogeneously, obtain improvement soil, wherein soil conditioner and the weight of soil
Ratio be 5:100.
The performance indications testing result of improvement soil is as shown in table 1,2.
Reference examples 1
1, the pretreatment of agriculture and forestry organic waste material raw material
Same as in Example 1.
2, compost treatment
Same as in Example 1.
3, soil improvement processes
Agriculture and forestry organic waste material composting substrate is directly appended in soil, mix homogeneously, obtains improvement soil, wherein add soil to
In the weight of agriculture and forestry organic waste material composting substrate and the weight ratio of soil be 25:100.
The performance indications testing result of improvement soil is as shown in table 1,2.
Reference examples 2
1, the pretreatment of agriculture and forestry organic waste material raw material
Same as in Example 1.
2, compost treatment
Same as in Example 1.
3, soil improvement processes
3-1) humic acid is joined in alkaline solution (concentration is the sodium hydroxide solution of 0.20mol/L), stirring, dissolve all
Even, make humic acid solution, wherein the concentration of humic acid solution is 1g/L, will be dissolved in the hydrogen-oxygen of 0.2mol/L by 1g humic acid
Change sodium solution, and constant volume be to 1L, say, that in humic acid solution, the weight of humic acid is 1:1 with the ratio of the volume of alkaline solution,
The most every 1g humic acid is dissolved in 1L alkaline solution or every 1kg humic acid is dissolved in 1000L alkaline solution.
3-2) by agriculture and forestry organic waste material composting substrate, the mixing of humic acid solution mix and blend, prepare composting substrate-humic acid mixture,
Wherein, agriculture and forestry organic waste material composting substrate, the weight proportion of humic acid solution are 80:10, i.e. agriculture and forestry organic waste material composting substrate weight,
In humic acid solution, the weight ratio of humic acid is 80:0.01；
3-3) composting substrate-humic acid mixture is added in soil, mix homogeneously, obtain improvement soil, wherein composting substrate
-humic acid mixture is 25:100 with the weight ratio of soil.
The performance indications testing result of improvement soil is as shown in table 1,2.
Reference examples 3
1, the pretreatment of agriculture and forestry organic waste material raw material
Same as in Example 1.
2, compost treatment
Same as in Example 1.
3, soil improvement processes
3-1) adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide water solution, wherein graphene oxide
Solution concentration be 1g/L, will be dissolved in deionized water by 1g graphene oxide, and constant volume be to 1L, say, that oxygen
In functionalized graphene solution, the weight of graphene oxide is 1:1 with the ratio of the volume of aqueous solution, and i.e. every 1g graphene oxide is dissolved in 1L
Water or every 1kg graphene oxide are dissolved in 1000L water.This solution can remain stable over, if bottom produces after long-time placement
Precipitation or solution generation agglomeration, can eliminate for ultrasonic 15-30 minute.
3-2) by agriculture and forestry organic waste material composting substrate, the mixing of graphene oxide solution mix and blend, prepare composting substrate-graphene oxide
Mixture, wherein, agriculture and forestry organic waste material composting substrate, the weight proportion of graphene oxide solution are 80:10, i.e. agriculture and forestry organic waste material heap
In the weight of fertilizer ground substance, graphene oxide solution, the weight ratio of graphene oxide is 80:0.01；
3-3) composting substrate-graphene oxide mixture is added in soil, mix homogeneously, obtain improvement soil, wherein compost
Substrate-humic acid mixture is 25:100 with the weight ratio of soil.
The performance indications testing result of improvement soil is as shown in table 1,2.
Reference examples 4
1, the pretreatment of agriculture and forestry organic waste material raw material
Same as in Example 1.
2, compost treatment
Same as in Example 1.
3, soil improvement processes
3-1) humic acid is joined in alkaline solution (concentration is the sodium hydroxide solution of 0.20mol/L), stirring, dissolve all
Even, make humic acid solution, wherein the concentration of humic acid solution is 1g/L, will be dissolved in the hydrogen-oxygen of 0.2mol/L by 1g humic acid
Change sodium solution, and constant volume be to 1L, say, that in humic acid solution, the weight of humic acid is 1:1 with the ratio of the volume of alkaline solution,
The most every 1g humic acid is dissolved in 1L alkaline solution or every 1kg humic acid is dissolved in 1000L alkaline solution.
3-2) adding graphene oxide in deionized water, ultrasonic disperse becomes graphene oxide water solution, wherein graphene oxide
Solution concentration be 1g/L, will be dissolved in deionized water by 1g graphene oxide, and constant volume be to 1L, say, that oxygen
In functionalized graphene solution, the weight of graphene oxide is 1:1 with the ratio of the volume of aqueous solution, and i.e. every 1g graphene oxide is dissolved in 1L
Water or every 1kg graphene oxide are dissolved in 1000L water.This solution can remain stable over, if bottom produces after long-time placement
Precipitation or solution generation agglomeration, can eliminate for ultrasonic 15-30 minute.
3-3) by agriculture and forestry organic waste material composting substrate, humic acid solution, graphene oxide solution stirring and evenly mixing, prepared composting substrate-
Humic acid-graphene oxide mixture, wherein, agriculture and forestry organic waste material composting substrate, humic acid solution, the weight of graphene oxide solution
Amount proportioning is 80:10:10, i.e. the weight of humic acid, graphite oxide in the weight of agriculture and forestry organic waste material composting substrate, humic acid solution
In alkene solution, the weight ratio of graphene oxide is 80:0.01:0.01；
3-4) composting substrate-humic acid-graphene oxide mixture is added in soil, mix homogeneously, obtain improvement soil,
Wherein composting substrate-humic acid mixture is 25:100 with the weight ratio of soil.
The performance indications testing result of improvement soil is as shown in table 1,2.
Reference examples 5
Soil to be improved used in embodiment 1-3 as reference examples 5, the performance measurement result of soil such as table 1,2 institute
Show.
The basic chemical property of soil improved by table 1
The basic chemical property of soil improved by table 2
The testing result of table 1,2 shows:
1, the soil conditioner (embodiment 1-3) of the present invention makes soil pH value reduce by 2.2 units, EC value than reference examples 5
Reduce 1.4ms cm-1；Directly use agriculture and forestry organic waste material composting substrate as the reference examples 1 of soil improvement material and reference examples 5 phase
Ratio, pH value and EC value raise, and illustrate that being used alone agriculture and forestry organic waste material composting substrate makes soil regime deteriorate on the contrary；Without changing
Property process the soil conditioner of (reference examples 4) and make pH value reduce by 1.7 units, but on the impact of EC value not quite；Without stone
Ink alkene (reference examples 2), soil conditioner pH value and EC value without humic acid (reference examples 3) slightly reduce, but still
(in general, the preferable pH value of plant is between 4.50-8.50, and EC value exists so not to reach the ideal indicator of plant growing
Between 0.12-1.20mS/cm).
2, as plant, the energy-conservation Nutrient Cycling making soil ecosystem is closely carried out soil conditioner with the adapter ring of soil.
The soil conditioner of the present invention makes soil organic matter content add nearly 1 times, and effective NPK content amplification is the biggest, former
Because being probably the chelation of soil conditioner, reduce the activity of Fe in soil, or the multiple organic acid in soil conditioner
Promote the dissolving of slightly solubility material in soil, thus improve the content of available nutrient in soil.
3, the soil conditioner of the present invention makes soil microbe quantity (antibacterial, fungus, actinomycetes) have increase by a relatively large margin,
Wherein antibacterial amplification is maximum.
4, the present invention adds organic environmental-protection in agriculture and forestry organic waste material composting substrate and nano material prepares soil conditioner, passes through ion
Displacement and chemisorbed, solve soil pH and the high bottleneck problem of EC value, formulation stable, avirulence, carry for soil improvement
Supply new method.
Test example 1 Cutting test
The conditioned soil of embodiment of the present invention 1-3 and reference examples 1-5 it is respectively adopted in Bei Lin Science and Technology Co., Ltd. of Beijing greenhouse
Earth carries out the Cutting test in new guinea impatiens ' honeymoon '.Full-automatic temperature-controlling, scavenging utilities in greenhouse, it is possible to ensure in test
Period, provide a metastable suitable growth environment for material to be tested.
Choose plant height about 8cm, leaf growth healthy and strong consistent, root system is complete, without the new guinea impatiens (good baby is serial) of pest and disease damage
Cutting, often processes 100 cutting, cuttage in 50 hole dishes, often processes and use 2 hole tray, add up each process after 15d
Rooting percent, and the Plug seedling of each process is transplanted to the plastic flowerpot of same specification, divide in managing throughout after upper basin 65d
Other random searching 5 strain plant, and root is sticked together from flowerpot take out, be respectively placed in bucket clean, carry out chlorophyll content in leaf blades,
The mensuration of the indexs such as root length, tip of a root number, root system surface area.
The portable Chlorophyll meter of chlorophyll content in leaf blades SPAD-502Plus measures, root length, tip of a root number, root system surface area
Measuring with WinRHIZO root scanner etc. index, measurement result is the most as shown in table 3.
Table 3 cuttage root-taking situation
| Process | Rooting rate (%) | Total root length (cm) | Tip of a root number | Root system surface area (cm2) |
| Embodiment 1 | 100 | 293.88 | 1108 | 18.97 |
| Embodiment 2 | 100 | 256.90 | 1075 | 19.13 |
| Embodiment 3 | 100 | 303.66 | 1033 | 18.64 |
| Reference examples 1 | 70 | 198.72 | 572 | 15.63 |
| Reference examples 2 | 92 | 225.67 | 603 | 16.79 |
| Reference examples 3 | 86 | 213.89 | 641 | 17.05 |
| Reference examples 4 | 89 | 200.40 | 698 | 17.66 |
| Reference examples 5 | 72 | 153.21 | 496 | 13.21 |
Measurement result from table 3:
1, show according to the study: soil conditioner cutting plantation prepared by the present invention reaches 100%, illustrate product of the present invention nontoxic,
Harmless.
2, soil conditioner prepared by the present invention make new guinea impatiens take root situation be improved significantly, illustrate prepared by the present invention
Soil conditioner is more suitable for plant establishment.
3, the soil conditioner using the present invention to prepare carries out soil improvement, and enters with new guinea impatiens ' honeymoon ' Cutting test
Row checking, rooting rate, total root length, tip of a root number, root system surface area, compared with corresponding reference examples, dramatically increase, root system is raw
Long sturdy, tip of a root number is many, and total root length degree is long, and root system surface area is big, and exterior quality is good.Show soil improvement prepared by the present invention
Agent improvement soil, generates and is beneficial to the effective ingredient that root system of plant absorbs, have the effect of potentiation to plant growing.
4, the soil conditioner using the inventive method to prepare carries out soil improvement, and tries with new guinea impatiens ' honeymoon ' cuttage
Verify, rooting rate, total root length, tip of a root number, root system surface area, compared with corresponding reference examples, dramatically increase, table
Bright employing the inventive method adds humic acid modified bentonite as fermentation catalyst in agriculture and forestry organic waste material fermented manure preparation process
Degraded to agriculture and forestry organic waste material has the effect of potentiation so that garbage fermentative degradation is abundant, generates and is beneficial to what root system of plant absorbed
Effective ingredient, the castoff compost quality of preparation is high.
5, soil is as plant growing carrier, plays the effect of cultivation medium.Soil physico-chemical property is required higher by flowers, grinds
Studying carefully proposition, new guinea impatiens cuttage can be as the indicative plant of checking cultivation matrix growth adaptability.Use the cultivation of the present invention
Training substrate carries out new guinea impatiens cuttage root-taking in order, illustrates that soil conditioner prepared by the inventive method carries out soil and changes
Intuitive ability remarkably promotes plant new guinea impatiens ' honeymoon ' cuttage root-taking, and, economy ready availability from raw material angularly considers, this
The soil conditioner of invention has a extensive future.
Test example 2 experiment in cultivation
The conditioned soil of embodiment of the present invention 1-3 and reference examples 1-5 it is respectively adopted in Bei Lin Science and Technology Co., Ltd. of Beijing greenhouse
Earth carries out the experiment in cultivation of treasure flower (series is kissed by the U.S.).Treasure flower (Gazania sunshine), Compositae, medal Pittosporum.
Property warm, dry, the illumination of happiness sufficient, can not resist cold, fearness hydrops.Temperature indoor temperature 6 DEG C-36 DEG C, humidity 10%-95%.To basin
Thing of planting is managed collectively, and takes " see to do and then water, water, irrigate " principle.Seedling replanting one week after to Post flowering, every 1
Within individual month, root executes the compound fertilizer 1L (N:P2O5:K2O=15%:15%:15%) of 0.2% concentration.
Sampling method: respectively at treasure flower seedling stage, florescence and spend rear three cultivation stages to carry out destructive sampling, randomly draws tool
Each 3 strains of each process of representational plant, observational record treasure flower Growth and anthesis index, and the drying that completes plant are pulverized,
Measure leaf nitrogen and phosphorus, potassium nutrition content.
Statistical indicator includes: Biomass, plant height, the number of blade, fresh idea number, chlorophyll, leaf nitrogen and phosphorus, potassium nutrition content.
Plant height: select the highest spray, the plant that do not blooms measurement is from the base portion of spray to spray terminal bud, and the plant that blooms is measured from spray
Base portion to the height of alabastrum bottom.
The portable Chlorophyll meter of chlorophyll content in leaf blades SPAD-502Plus measures.
Leaf nitrogen and phosphorus, potassium nutrition content: H2SO4-H2O2After method disappears and boils, nitrogen uses kjeldahl apparatus to measure；Phosphorus uses molybdenum antimony
Anti-colorimetric method for determining；Potassium uses flare photometer to measure, and measurement result is the most as shown in table 4.
Table 4 treasure flower growth indexes
From measurement result:
1, show according to the study: soil conditioner prepared by the present invention make treasure flower growing state be improved significantly, the present invention is described
The soil conditioner of preparation makes soil physico-chemical property obtain improving substantially, is more suitable for plant growing.
2, the soil conditioner using the present invention to prepare carries out soil improvement, and verifies with treasure flower growth test, and plant is raw
Thing amount, plant height, the number of blade, fresh idea number, dramatically increase with chlorophyll content compared with corresponding reference examples, and root growth is sturdy,
Tip of a root number is many, and total root length degree is long, and root system surface area is big, and exterior quality is good.Show soil conditioner conditioned soil prepared by the present invention
Earth, generates and is beneficial to the effective ingredient that root system of plant absorbs, have the effect of potentiation to plant growing.
3, the soil conditioner using the present invention to prepare carries out soil improvement, and verifies with treasure flower growth test, treasure flower
Leaf total nitrogen phosphorus potassium content is compared with reference examples, it may be possible to because the use of soil conditioner of the present invention makes available nutrient in soil
Increase, thus promote the plant absorption to available nutrient.
Claims (10)
1. a modification method for soil, is characterized in that, comprises the steps:
1) agriculture and forestry organic waste material is carried out compost fermentation process, it is thus achieved that agriculture and forestry organic waste material composting substrate；
2) by humic acid, graphene oxide and agriculture and forestry organic waste material composting substrate mix homogeneously, being modified processing, prepared soil changes
Good dose；
3) soil conditioner is added in soil, mix homogeneously.
2. modification method as claimed in claim 1, is characterized in that, step 1) described in compost fermentation process and comprise the steps:
1A) spray water in agriculture and forestry organic waste material, regulates agriculture and forestry organic waste material moisture content；1B) in agriculture and forestry organic waste material, add microbial bacterial agent,
After stirring, carry out fermentation process.
3. modification method as claimed in claim 2, is characterized in that, step 1A) described in regulate agriculture and forestry organic waste material moisture content and be
50-65%.
4. modification method as claimed in claim 2, is characterized in that, step 1B) described in every 100kg agriculture in fermentation treatments
The volume 0.15-0.25L of the described microbial bacterial agent added in woods garbage.
5. modification method as claimed in claim 2, is characterized in that, step 1B) described in microbial bacterial agent select VT-1000 bacterium
Agent, EM microbial inoculum.
6. modification method as claimed in claim 2, is characterized in that, step 1B) described in fermentation process include that order below is carried out
Step:
1B-1) that the microbial bacterial agent stirred, agriculture and forestry organic waste material heap is in heaps, carry out fermentation of banking up, and fermented banking up
Journey monitors temperature and the moisture content of heap body；
1B-2) when heap temperature is increased to 55 DEG C, carry out turning process；
1B-3) when heap temperature is increased to more than 60 DEG C, within every 2-5 days, carry out a turning and process, and regulate heap body moisture content；
1B-4) when heap temperature is reduced to below 55 DEG C, within every 7-12 days, carry out a turning and process；
1B-5) drop to less than 35 DEG C when heap temperature, and when within continuous two days, temperature difference is less than 0.5 DEG C, stop turning；
1B-6) continue to bank up 30-60 days by the fermentation hybrid reactor body stopping turning, to obtain final product.
7. modification method as claimed in claim 1 or 2, is characterized in that, step 2) described in agriculture and forestry organic waste material composting substrate, corruption
Grow acid, the weight of graphene oxide is 70-95:0.001-1:0.001-1.
8. modification method as claimed in claim 1 or 2, is characterized in that, step 2) described in the temperature of modification be 100-120 DEG C.
9. modification method as claimed in claim 1 or 2, is characterized in that, step 3) described in the weight of soil conditioner and soil
Part proportioning is 1-30:100.
10. an improvement soil, is characterized in that making according to the arbitrary described method of the claims 1-9.
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