CN108865148A - A kind of solid-liquid collaboration saline-alkali soil conditioner and preparation method thereof - Google Patents
A kind of solid-liquid collaboration saline-alkali soil conditioner and preparation method thereof Download PDFInfo
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- CN108865148A CN108865148A CN201810892824.2A CN201810892824A CN108865148A CN 108865148 A CN108865148 A CN 108865148A CN 201810892824 A CN201810892824 A CN 201810892824A CN 108865148 A CN108865148 A CN 108865148A
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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
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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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
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
Abstract
The invention belongs to salt affected soils to improve technical field of fertilizers, and in particular to a kind of solid-liquid collaboration saline-alkali soil conditioner, and preparation method is further disclosed.Solid-liquid of the present invention cooperates with saline-alkali soil conditioner, according to soil actual conditions adaptation to local conditions, using the decomposed object of charcoal excrement, humic acid and acid residue as solid component, using wood vinegar as liquid component.Saline-alkali soil conditioner obtained can be effectively improved soil physical chemistry environment, promote plant strain growth, promote fruit growth and development by using the solid phase components and liquid phase component respectively under different times and soil regime.
Description
Technical field
The invention belongs to salt affected soils to improve technical field of fertilizers, and in particular to a kind of solid-liquid collaboration salt affected soil improvement
Agent, and preparation method is further disclosed.
Background technique
So-called salt affected soil refers to arid or semiarid low-lying district more, under conditions of the dynamics of evaporation is strong, level of ground water is high,
Soluble organic fraction rises with soil capillary, accumulates excessive salinity in the soil body especially upper soll layer and a kind of soil class for being formed
Type.Salt-soda soil due to salt aggregation, inside soil contained by salinity influence the normal growth of crop.Wherein, because by gas
The effect of natural conditions such as time, landform, soil texture and the salinization of soil or the soil salinization formed, soil of being known as are primary
Salinization of soil or primary salination；And as caused by the various inappropriate land development behaviors of the mankind and development activities originally not
Salinization of soil or salination has occurred in salinization of soil or saliferous soil, enhance that soil is original saline and alkaline or degree of salinity then at
For this life salinization of soil of soil or this life salination.
The salinization of soil is a global problem, and whole world salinized soil area is 1,000,000,000 hectares about nearly, and China has 9913
Ten thousand hectares, it is roughly equal to 14.7 hundred million mu, nearly more than the 100 a city in the whole nation is seated salt-soda soil distributed area, and agriculture plantation causes because of salination
The underproduction, nearly 500,000,000 mu of old-field, be concentrated mainly on these arid and semi-arid lands of North China, northwest and northeast.In addition it cultivated
Cheng Zhong excessively applies chemical fertilizer for a long time, and soil secondary salinization is caused to be aggravated, hardened serious, expands salinization, alkali-affected soil constantly
Greatly.In addition, China, there are also more than 18000 kilometers of long mainland coastlines, the seashores such as Bohai and Yellow Seas and East Sea littoral plain divide
It is furnished with the beach salty soil based on chloride of large area, the common feature in these areas is that soil property salt content is all high, mostly
It is the barren land that plant is not easy to grow.Perniciousness harm causes in a large amount of, low-yield land and peasant are poor, makes large area soil resource
It is difficult to be utilized.Salinized soil has 80% or so utilization, the exploitation in large area salt marsh wasteland is not yet received as a kind of resource, in China
It will be the important channel for solving 1,600,000,000 population food problem of 21 century China with the saliferous prevention and treatment of Irrigated Area Soils.Especially exist
China's arid, semiarid zone Utilizing question, to Agriculture Production, management of national land, ecological environmental protection etc. has extremely
Important meaning.
The influence of salinization of soil and damaging effect are mainly shown as two aspects：I.e. to the influence of soil physico-chemical property and to plant
The salt damage of object acts on.Originally salt damage and secondary salt damage are also embodied by the harm of plant, these harm can all influence plant cell
The vital movements such as metabolism.In short, salinization of soil and salination are the global problems for facing and capturing, it is to restrict agriculture
One of the principal element of the industry utilization of resources and limitation agricultural sustainable development.
Traditional Salination control measure is generally all divided into three steps：It is by interchangeability Na first+It is replaced from soil colloid
It changes, this is the basic of improvement Soda saline and alkaline soils；It furthermore is to have good pumping equipment, draining unobstructed is improvement saline-alkali soil
Premise；It is finally to remove excessive salinity with a large amount of irrigation water.Although the measures such as existing soil moved in improve the original, flood irrigation can also obtain centainly
Effect, but a large amount of manpower and material resources are spent, while also affecting actual farming production.
In recent years studies have shown that the agricultural wastes such as agricultural crop straw can improve soil and reduce soil salt content, simultaneously
With carbon sequestration and promotion nutrient elements cycle, reduce the ecological environment functions such as chemical fertilizer application in production.Apply life in saline-alkali soil
Substance charcoal can be effectively reduced alkalization of soils degree and water soluble salt total amount, improve soil water holding capacity in soil, organic carbon content and
Microbial activity, to obtain the effect of improvement solonchak.But at present for biomass carbon improvement salt affected soil effect there is also
Biggish dispute.
Wood vinegar is ingredient and the tone extremely phase with the acidic liquid of acetic acid pH3 degree as main component, with vinegar
Seemingly.Briefly, wood vinegar is exactly obtained from the flue gas emerged during wood is burnt into charcoal liquefies through natural cooling
Concentrated liquid.Wood vinegar is a kind of mixture of complicated component, and each component content is different with source and preparation, usually contain K,
The minerals such as Ca, Mg, Zn, Ge, Mn, Fe, additionally containing ingredients such as Aneurine and B2.Wood vinegar is the by-product of charcoal production
Product, it is also possible to the production of the wastes such as rice husk, coconut husk, stalk, and it is harmless to people, animal, it does not pollute the environment, is the reason of chemical pesticide
Think substitute, is widely used in the fields such as agricultural, feed, industry, business.
Existing research, which shows the wood vinegar of different extension rates to fill, imposes on after soil the formation for being conducive to macro aggregate,
Improve the physical property (LASHARIM et al., 2015) of soil；Wood vinegar is administered simultaneously, soil pH value (Li Zhong is also adjusted
Emblem etc., 2014) soil salt, sodium adsorption ratio and basicity (Zhang Yalan etc., 2014), are reduced, improves the soil organism
The content of (LASHARIM et al., 2013) and Water Soluble Organic Carbon and available phosphorus (Hu Chunhua etc., 2011)；Improving salt
While alkaline earth physics and chemical property, apply wood vinegar can also significantly affect the quantity of soil bacteria, actinomyces and fungi with
And edaphon utilizes the ability and metabolic activity of carbon source, the concentration and application wood of effect and application wood vinegar
Length of time after vinegar liquid is related.In short, facilitation of the wood vinegar to plant growth, makes it have and acts on salt affected soil plant
The potentiality of object growth, also ensure the normal growth of crop while improveing saline-alkali soil.
Summary of the invention
For this purpose, going forward side by side technical problem to be solved by the present invention lies in a kind of solid-liquid collaboration saline-alkali soil conditioner is provided
One step discloses preparation method and application method.
In order to solve the above technical problems, a kind of solid-liquid of the present invention cooperates with saline-alkali soil conditioner, including solid phase to change
Good dose and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include the decomposed object of charcoal excrement, humic acid and acid residue；
The raw material components of the liquid phase modifying agent include wood vinegar.
In the solid phase modifying agent, the decomposed object of the charcoal excrement, humic acid, acid residue mass ratio be 4-6：2-4：1-3,
And preferably 5：3：2.
In the solid phase modifying agent, the decomposed object of charcoal excrement is using biomass carbon and excrement of animals as raw material, extremely through composting
It is one month few, obtained decomposed product.
The biomass carbon and excrement of animals are according to charcoal excrement than 1：The ratio of 5-20 is matched.
In the solid phase modifying agent, the humic acid is the humic acid after ammonium hydrogen carbonate ammoniated treatment.
In the solid phase modifying agent, the acid residue includes at least one of acid-sludge, vinasse, furfural dregs.
The wood vinegar is using crops stalks as raw material, in the liquid product that 350-550 DEG C of lower limit oxygen hot tearing parses.
The invention also discloses a kind of methods for preparing the solid-liquid collaboration saline-alkali soil conditioner, including walk as follows
Suddenly：
(1) it according to selected proportion, takes the decomposed object of the charcoal excrement, humic acid and acid residue to mix, the solid phase is made
Modifying agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
The invention also discloses the solid-liquid collaboration saline-alkali soil conditioner application method, the solid phase modifying agent
Amount of application is 10-40t/hm2, the amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
The application method of the solid-liquid collaboration saline-alkali soil conditioner, sows the solid phase before being included in plowed soils
The step of modifying agent, and the step of spraying after plowed soils the liquid phase modifying agent, balance can be planted normally after a week
Crop.
Solid-liquid of the present invention cooperates with saline-alkali soil conditioner, decomposed with charcoal excrement according to soil actual conditions adaptation to local conditions
Object, humic acid and acid residue are solid component, using wood vinegar as liquid component.Wherein, the decomposed object of charcoal excrement not only contains
Good organic nutrient, while also can effectively improve soil physical chemistry environment；And humic acid and acid residue also have soil texture
Good improvement result can also provide nutrient while reducing soil base cations for plant growth, be truly realized and support, change
It develops simultaneously, while the normal plantation of crop on guaranteeing salt-soda soil, increases soil fertility by planting year by year, repairs and change, reach final
Improved effect；And wood vinegar has the function of coordinate plant growth and restraining and sterilizing bacteria and expelling parasite.Saline-alkali soil conditioner obtained
By using the solid phase components and liquid phase component respectively under different times and soil regime, soil reason can be effectively improved
Change environment, promote plant strain growth, promotes fruit growth and development.
Solid-liquid of the present invention cooperates with saline-alkali soil conditioner, and raw materials used is biological material and cheap and easy to get, both
Meet the idea of development of green agriculture, while solving the waste disposal issues such as stalk, vinasse again, cost is relatively low, easily
It is used in large-scale promotion.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is temperature change of the different charcoal excrement than heap body；
Fig. 2 is continuous surface layer in March (0-5cm) soil conductivity situation of change；
Fig. 3 is continuous middle layer in March (10cm) soil conductivity situation of change；
Fig. 4 is continuous deep layer in March (20cm) soil conductivity situation of change.
Specific embodiment
The biomass carbon used in the following embodiments of the present invention is conventional products in the prior art, can be commercially available
Product can also be prepared voluntarily according to conventional scheme, and conventional specific method includes sorting, material granulation, continuous feed charcoal
Change, multistage cools down, wherein carbonization process is anoxic condition, life that same process step obtains under conventional parameter ranges
Substance product char, performance difference are smaller.
Embodiment 1
Solid-liquid described in the present embodiment cooperates with saline-alkali soil conditioner, including solid phase modifying agent and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include that mass ratio is 5：3：The 2 decomposed object of charcoal excrement, humic acid and acid residual
Slag；
The raw material components of the liquid phase modifying agent include wood vinegar.
Wherein, the decomposed object of charcoal excrement is made as follows：According to 1：7 mass ratio takes biomass carbon and fresh pig
Excrement is uniformly mixed, and through at least one moon of the wet spontaneous fermentation of heap, (control heap body water content is 65% or so, and temperature is on 40 DEG C of left sides
It is right), decomposed product obtained.
The humic acid is the modification humic acid after ammonium hydrogen carbonate ammoniated treatment, and specific modification procedure includes：Corruption is planted
Acid starting material substance (humic acid content is more than or equal to 50%), the ammonium bicarbonate of 30 parts of parts by weight was added in every 100 parts of parts by weight, and was added suitable
Measuring water to water content is 30%, stirs evenly and is fitted into polybag, seals at room temperature after a week.
The acid residue is acid-sludge, and main group becomes the organic substances such as rice husk, glutinous rice, wheat bran；pH4.5-5.5；It is aqueous
Amount is in 65%-70%.
The wood vinegar is made in accordance with the following steps：Using crops stalks as raw material, according to method known in the art,
The aqueous acidic liquid that pyrolysis gas spray, cooling generate when carrying out limit oxygen thermal cracking charing production biomass carbon at 350-550 DEG C
Body collects the liquid product of precipitation, as crude pyroligneous acid；And by gained crude pyroligneous acid with walnut shell and diatomite be filtered with
The tar that contains and impurity are removed to get acetum pyrolignosum rectificatum liquid, through simple distillation, packaging to get.
Solid-liquid described in the present embodiment cooperates with the preparation method of saline-alkali soil conditioner, includes the following steps：
(1) it according to selected proportion, takes the decomposed object of the charcoal excrement, humic acid and acid residue to mix, the solid phase is made
Modifying agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
In the solid-liquid collaboration saline-alkali soil conditioner made from the present embodiment, the amount of application of the solid phase modifying agent is
10-40t/hm2, according to the high, medium and low sequence of the salinization and alkalization of soil, amount of application is respectively 40t/hm2、20t/hm2、10t/
hm2；The amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
The solid-liquid collaboration saline-alkali soil conditioner is in use, improve the solid phase before ploughing made from the present embodiment
Agent is spread to earth's surface, by manually or mechanically turning over into soil；The liquid phase modifying agent is sprayed to the soil turned over again, to irrigate
It is advisable；Balance can normal long-term cropping after one week.
Embodiment 2
Solid-liquid described in the present embodiment cooperates with saline-alkali soil conditioner, including solid phase modifying agent and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include that mass ratio is 4：4：The 1 decomposed object of charcoal excrement, humic acid and acid residual
Slag；
The raw material components of the liquid phase modifying agent include wood vinegar.
Wherein, the decomposed object of charcoal excrement is made as follows：According to 1：10 mass ratio take biomass carbon with it is fresh
Swine excrement is uniformly mixed, and through at least one moon of the wet spontaneous fermentation of heap, (control heap body water content is 65% or so, and temperature is on 40 DEG C of left sides
It is right), decomposed product obtained.
The humic acid is the modification humic acid after ammonium hydrogen carbonate ammoniated treatment, and specific modification procedure is same
Embodiment 1.
The acid residue is acid-sludge, and main group becomes the organic substances such as rice husk, glutinous rice, wheat bran；pH4.5-5.5；It is aqueous
Amount is in 65%-70%.
The wood vinegar is made in accordance with the following steps：Using crops stalks as raw material, according to method known in the art,
The aqueous acidic liquid that pyrolysis gas spray, cooling generate when carrying out limit oxygen thermal cracking charing production biomass carbon at 350-550 DEG C
Body collects the liquid product of precipitation, as crude pyroligneous acid；And by gained crude pyroligneous acid with walnut shell and diatomite be filtered with
The tar that contains and impurity are removed to get acetum pyrolignosum rectificatum liquid, through simple distillation, packaging to get.
Solid-liquid described in the present embodiment cooperates with the preparation method of saline-alkali soil conditioner, includes the following steps：
(1) it according to selected proportion, takes the decomposed object of the charcoal excrement, humic acid and acid residue to mix, the solid phase is made
Modifying agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
In the solid-liquid collaboration saline-alkali soil conditioner made from the present embodiment, the amount of application of the solid phase modifying agent is
10-40t/hm2, according to the high, medium and low sequence of the salinization and alkalization of soil, amount of application is respectively 40t/hm2、20t/hm2、10t/
hm2；The amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
The solid-liquid collaboration saline-alkali soil conditioner is in use, improve the solid phase before ploughing made from the present embodiment
Agent is spread to earth's surface, by manually or mechanically turning over into soil；The liquid phase modifying agent is sprayed to the soil turned over again, to irrigate
It is advisable；Balance can normal long-term cropping after one week.
Embodiment 3
Solid-liquid described in the present embodiment cooperates with saline-alkali soil conditioner, including solid phase modifying agent and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include that mass ratio is 6：2：The 3 decomposed object of charcoal excrement, humic acid and acid residual
Slag；
The raw material components of the liquid phase modifying agent include wood vinegar.
Wherein, the decomposed object of charcoal excrement is made as follows：According to 1：20 mass ratio take biomass carbon with it is fresh
Swine excrement is uniformly mixed, and through at least one moon of the wet spontaneous fermentation of heap, (control heap body water content is 65% or so, and temperature is on 40 DEG C of left sides
It is right), decomposed product obtained.
The humic acid is the modification humic acid after ammonium hydrogen carbonate ammoniated treatment, and specific modification procedure is same
Embodiment 1.
The acid residue is acid-sludge, and main group becomes the organic substances such as rice husk, glutinous rice, wheat bran；pH4.5-5.5；It is aqueous
Amount is in 65%-70%.
The wood vinegar is made in accordance with the following steps：Using crops stalks as raw material, according to method known in the art,
The aqueous acidic liquid that pyrolysis gas spray, cooling generate when carrying out limit oxygen thermal cracking charing production biomass carbon at 350-550 DEG C
Body collects the liquid product of precipitation, as crude pyroligneous acid；And by gained crude pyroligneous acid with walnut shell and diatomite be filtered with
The tar that contains and impurity are removed to get acetum pyrolignosum rectificatum liquid, through simple distillation, packaging to get.
Solid-liquid described in the present embodiment cooperates with the preparation method of saline-alkali soil conditioner, includes the following steps：
(1) it according to selected proportion, takes the decomposed object of the charcoal excrement, humic acid and acid residue to mix, the solid phase is made
Modifying agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
In the solid-liquid collaboration saline-alkali soil conditioner made from the present embodiment, the amount of application of the solid phase modifying agent is
10-40t/hm2, according to the high, medium and low sequence of the salinization and alkalization of soil, amount of application is respectively 40t/hm2、20t/hm2、10t/
hm2；The amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
The solid-liquid collaboration saline-alkali soil conditioner is in use, improve the solid phase before ploughing made from the present embodiment
Agent is spread to earth's surface, by manually or mechanically turning over into soil；The liquid phase modifying agent is sprayed to the soil turned over again, to irrigate
It is advisable；Balance can normal long-term cropping after one week.
Embodiment 4
Solid-liquid described in the present embodiment cooperates with saline-alkali soil conditioner, including solid phase modifying agent and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include that mass ratio is 6：2：The 3 decomposed object of charcoal excrement, humic acid and acid residual
Slag；
The raw material components of the liquid phase modifying agent include wood vinegar.
Wherein, the decomposed object of charcoal excrement is made as follows：According to 1：5 mass ratio takes biomass carbon and fresh pig
Excrement is uniformly mixed, and through at least one moon of the wet spontaneous fermentation of heap, (control heap body water content is 65% or so, and temperature is on 40 DEG C of left sides
It is right), decomposed product obtained.
The humic acid is the modification humic acid after ammonium hydrogen carbonate ammoniated treatment, and specific modification procedure is same
Embodiment 1.
The acid residue is acid-sludge, and main group becomes the organic substances such as rice husk, glutinous rice, wheat bran；pH4.5-5.5；It is aqueous
Amount is in 65%-70%.
The wood vinegar is made in accordance with the following steps：Using crops stalks as raw material, according to method known in the art,
The aqueous acidic liquid that pyrolysis gas spray, cooling generate when carrying out limit oxygen thermal cracking charing production biomass carbon at 350-550 DEG C
Body collects the liquid product of precipitation, as crude pyroligneous acid；And by gained crude pyroligneous acid with walnut shell and diatomite be filtered with
The tar that contains and impurity are removed to get acetum pyrolignosum rectificatum liquid, through simple distillation, packaging to get.
Solid-liquid described in the present embodiment cooperates with the preparation method of saline-alkali soil conditioner, includes the following steps：
(1) it according to selected proportion, takes the decomposed object of the charcoal excrement, humic acid and acid residue to mix, the solid phase is made
Modifying agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
In the solid-liquid collaboration saline-alkali soil conditioner made from the present embodiment, the amount of application of the solid phase modifying agent is
10-40t/hm2, according to the high, medium and low sequence of the salinization and alkalization of soil, amount of application is respectively 40t/hm2、20t/hm2、10t/
hm2；The amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
The solid-liquid collaboration saline-alkali soil conditioner is in use, improve the solid phase before ploughing made from the present embodiment
Agent is spread to earth's surface, by manually or mechanically turning over into soil；The liquid phase modifying agent is sprayed to the soil turned over again, to irrigate
It is advisable；Balance can normal long-term cropping after one week.
Experimental example
1, composting cycle takes biomass carbon and fresh pig manure to be mixed respectively, carries out charcoal excrement according to above-described embodiment method
The preparation of decomposed object, the additive amount of the fresh pig manure press respectively the 5wt% (B1) of the biomass carbon, 10wt% (B2),
15wt% (B3) meter, and the fresh pig manure not add biomass carbon is observed as reference examples B0 in the decomposed object preparation process of charcoal excrement
In heap temperature variation, record the result is shown in Figure 1.
As can be seen that the charcoal additive amount with 15% (is about charcoal excrement ratio=1：7) the heap body handled, compared to other processing
Under ratio, the decomposed object of charcoal excrement can reach the megathermal period in advance, and composting cycle is shorter, it is decomposed faster.
2, salt affected soil is improved
To the saline and alkaline plot of a simulation, after tested, the soil conductivity of the experimental field different depth is respectively：0-5cm soil
Layer 20.13mS/cm, 5-10cm soil layer 11.37mS/cm, 10-20cm soil layer 8.79mS/cm, soil pH average value is 8.26.
The soil improvement agent prescription for applying above-described embodiment 1-4 to above-mentioned salt affected soil respectively is improved, and with do not apply
The blank of any modifying agent is compareed, then respectively at application the latter moon (i.e. May), two months (i.e. June), three
The moon (i.e. July) measures the conductivity of above-mentioned 3 different depth soil layers using Field Scout soil in-situ conductivity meter, surveys
Trying soil depth is respectively surface layer (0-5cm), middle layer (10cm) and deep layer (20cm).And the electricity of the soil of the correspondence depth measured
Conductance difference is as shown in Figure 2, Figure 3, Figure 4, and in each legend, histogram is followed successively by May, June, data in July from left to right.
It can be seen from Fig. 2-4 each test example soil conditioner of the present invention to the saline and alkaline reducing effect of upper soll layer more
Obviously, whole really on a declining curve although as the propulsion of time shows certain fluctuation, it is wherein native in embodiment 1
The effect of the scheme of earth modifying agent is best, and salt rejection rate reaches 42.57-55.44%；There is certain desalination to middle layer, although
Effect is not significant, this may also be moved down with surface layer salinity it is related, and can also from deep soil conductivity increase it can be seen that
Bottom is integrally on the rise；And (June) each processing soil conductivity entirety is gone up after applying soil conditioner 2 months,
This may be more related with of that month rainwater, and whole desalting effect is caused also to be interfered by other factors, but generally speaking, still may be used
See that saline-alkali soil modifying agent of the invention has good effect to Soil Desalting.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of solid-liquid cooperates with saline-alkali soil conditioner, which is characterized in that including solid phase modifying agent and liquid phase modifying agent；
The raw material components of the solid phase modifying agent include the decomposed object of charcoal excrement, humic acid and acid residue；
The raw material components of the liquid phase modifying agent include wood vinegar.
2. solid-liquid according to claim 1 cooperates with saline-alkali soil conditioner, which is characterized in that in the solid phase modifying agent,
The decomposed object of the charcoal excrement, humic acid, acid residue mass ratio be 4-6：2-4：1-3.
3. solid-liquid according to claim 1 or 2 cooperates with saline-alkali soil conditioner, which is characterized in that the solid phase modifying agent
In, the decomposed object of charcoal excrement be using biomass carbon and excrement of animals as raw material, through at least one moon of composting, obtained decomposed production
Object.
4. solid-liquid according to claim 3 cooperates with saline-alkali soil conditioner, which is characterized in that the biomass carbon and livestock
Excrement is according to charcoal excrement than 1：The ratio of 5-20 is matched.
5. solid-liquid according to claim 1-4 cooperates with saline-alkali soil conditioner, which is characterized in that the solid phase changes
In good dose, the humic acid is the humic acid after ammonium hydrogen carbonate ammoniated treatment.
6. solid-liquid according to claim 1-5 cooperates with saline-alkali soil conditioner, which is characterized in that the solid phase changes
In good dose, the acid residue includes at least one of acid-sludge, vinasse, furfural dregs.
7. solid-liquid according to claim 1-6 cooperates with saline-alkali soil conditioner, which is characterized in that the wood vinegar
For using crops stalks as raw material, in the liquid product that 350-550 DEG C of lower limit oxygen hot tearing parses.
8. a kind of method for preparing the described in any item solid-liquid collaboration saline-alkali soil conditioners of claim 1-7, which is characterized in that
Include the following steps：
(1) according to selected proportion, the decomposed object of the charcoal excrement, humic acid and acid residue is taken to mix, the solid phase improvement is made
Agent；
(2) it takes the wood vinegar to distill through filter, the liquid phase modifying agent is made.
9. the application method of the described in any item solid-liquid collaboration saline-alkali soil conditioners of claim 1-7, which is characterized in that described
The amount of application of solid phase modifying agent is 10-40t/hm2, the amount of application of the liquid phase modifying agent is that 50-100 times of dilution is sprayed.
10. the application method of solid-liquid collaboration saline-alkali soil conditioner according to claim 9, which is characterized in that be included in
The step of solid phase modifying agent is sowed before plowed soils, and spray after plowed soils the step of the liquid phase modifying agent
Suddenly, balance after a week can normal long-term cropping.
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| CN109400389A (en) * | 2018-12-27 | 2019-03-01 | 云南农业大学 | A kind of soil conditioner that preventing and treating tobacco bacterial wilt and preparation method and application |
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| CN109593006A (en) * | 2018-12-13 | 2019-04-09 | 北京三聚绿能科技有限公司 | A kind of edible mushroom conditioner and preparation method thereof |
| CN109400389A (en) * | 2018-12-27 | 2019-03-01 | 云南农业大学 | A kind of soil conditioner that preventing and treating tobacco bacterial wilt and preparation method and application |
| CN110157449A (en) * | 2019-06-03 | 2019-08-23 | 阜阳师范学院 | A method of it improving biomass carbon and improves salt affected soil |
| CN110235651A (en) * | 2019-06-03 | 2019-09-17 | 北京三聚绿能科技有限公司 | A kind of straw biomass seedling-cultivation plate and preparation method thereof |
| CN110157449B (en) * | 2019-06-03 | 2020-12-18 | 阜阳师范学院 | Method for improving saline-alkali soil by using biochar |
| CN113061439A (en) * | 2020-01-02 | 2021-07-02 | 蓝星工程有限公司 | Soil conditioner and application thereof |
| CN111848266A (en) * | 2020-06-09 | 2020-10-30 | 苏州建邦生态科技发展有限公司 | Contaminated soil treatment improver and preparation method thereof |
| CN113416550A (en) * | 2021-06-23 | 2021-09-21 | 南京勤丰秸杆科技有限公司 | Solid-liquid cooperative soil conditioner for saline-alkali soil and application method thereof |
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