CN110915347A - Construction method for soil finishing, surface soil stripping and backfilling - Google Patents
Construction method for soil finishing, surface soil stripping and backfilling Download PDFInfo
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- CN110915347A CN110915347A CN201911320608.1A CN201911320608A CN110915347A CN 110915347 A CN110915347 A CN 110915347A CN 201911320608 A CN201911320608 A CN 201911320608A CN 110915347 A CN110915347 A CN 110915347A
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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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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/10—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using orthophosphoric acid
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a construction method for soil arrangement surface soil stripping and backfilling, which comprises the following steps: s1, performing detection analysis according to surface soil naturally formed in the nature, and making a minimum standard suitable for plant growth; s2, performing area division on the land parcel, and dividing the land parcel into a plurality of parcel sections; s3, sampling the surface soil of each block, and detecting and analyzing the surface soil sample of each different block; s4, marking the blocks of which the surface soil is lower than the minimum standard value; s5, removing sundries on the marked block ground in a man-machine combination mode; s6, stripping the surface soil by a man-machine combination mode; s7, stacking and mixing the peeled surface soil with biological bacterial manure and organic fertilizer; and S8, backfilling the surface soil after the mixing treatment. The invention has the effect of quickly realizing the restoration of surface soil nutrients.
Description
Technical Field
The invention relates to the technical field of soil treatment, in particular to a construction method for soil conditioning, surface soil stripping and backfilling.
Background
The time of 300-400 years is required for forming the surface soil with the thickness of 1cm in the nature. The surface soil is a precious resource which is difficult to regenerate in a short period, is the most precious component of farmland resources, is the fundamental basis of the comprehensive production capacity of grains, is the basis of crop yield increase, and is the core of the productivity of the farmland. The implementation of the stripping and backfilling of the soil of the plough layer is an important means for improving the quality of the cultivated land, is an effective way for ensuring the number of the cultivated land and the occupation and compensation balance of the cultivated land, is an important measure for realizing the aim of the protection of the cultivated land, and plays an active role in protecting the limited cultivated land resources.
At present, Chinese patent with publication number CN102301847A discloses a construction method for clearing and backfilling surface soil of land in hilly areas, which comprises the steps of dividing land parcels, selecting land parcels to be cleared, and dividing the land parcels into a plurality of segments; then, surface soil stripping is carried out from the middle block section to the land blocks on the two sides, and the stripped surface soil is integrally piled on the two sides of the land blocks; then, leveling the land, leveling and shaping the land with the surface soil stripped, and protecting a side slope; and finally, backfilling surface soil, and uniformly backfilling the surface soil from two sides of the land to the middle of the leveled land.
Although the existing construction method can effectively ensure that the cultivated land area is not reduced, the surface soil resources are not lost, the surface soil space assembly is optimized, the soil body configuration is excellent, the soil quality is not reduced, the crop yield is increased, and the construction efficiency is higher, the defects are that only the maintenance work of the surface soil is realized, only the carrying recombination of the surface soil is realized, one undamaged or better surface soil is transplanted to the lossy surface soil, and the problem of nutrient loss of the surface soil after the surface soil is used for a period of time cannot be really solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a construction method for stripping and backfilling soil in ground dressing, which can quickly realize the restoration of surface soil nutrients.
The above object of the present invention is achieved by the following technical solutions: a construction method for soil finishing, surface soil stripping and backfilling comprises the following steps:
s1, performing detection analysis according to surface soil naturally formed in nature, and making a minimum standard and a maximum standard suitable for plant growth;
s2, performing area division on the land parcel, and dividing the land parcel into a plurality of parcel sections;
s3, sampling the surface soil of each block, and detecting and analyzing the surface soil sample of each different block;
s4, marking the blocks of which the surface soil is lower than the minimum standard value;
s5, removing sundries on the marked block ground in a man-machine combination mode;
s6, stripping the surface soil by a man-machine combination mode;
s7, stacking and mixing the peeled surface soil with biological bacterial manure and organic fertilizer;
and S8, backfilling the surface soil after the mixing treatment.
By adopting the technical scheme, the minimum standard is formulated according to the growth requirement of the plant, the plots divided in the area are sampled and analyzed, the analysis data is compared with the standard, and the plots below the standard are subjected to surface soil remediation work through the biological bacterial manure and the organic fertilizer; meanwhile, the biological bacterial fertilizer and the organic fertilizer are prepared in advance or prepared, so that the purpose of quickly repairing surface soil can be realized, the time period of forming the surface soil in nature is shortened, the problem of surface soil damage can be fundamentally solved, and the improvement of the cultivated land quality is facilitated; the biological bacterial fertilizer and the organic fertilizer are beneficial to environmental protection, and the condition that chemical substances destroy soil is reduced.
The present invention in a preferred example may be further configured to: the depth of stripping the surface soil by a man-machine combination mode is 10-15 cm.
Through adopting above-mentioned technical scheme, carry out whole collection with surface soil, improve the thickness of restoreing back surface soil to be favorable to the stability of the surface soil after the later stage is restoreed, not up to standard when later stage surface soil is the top, can carry out the farming to surface soil and renovate, make the below have not had the soil of damage to renovate and come, form new surface soil, shortened the prosthetic cycle of soil needs.
The present invention in a preferred example may be further configured to: the stacking and mixing treatment of the peeled surface soil, the biological bacterial fertilizer and the organic fertilizer comprises the following steps:
a. selecting surface soil, biological bacterial fertilizer and organic fertilizer in a proportion of 10: 1: 2;
b. surface soil, biological bacterial fertilizer and organic fertilizer are piled up in a conical shape;
c. firstly, placing a layer of biological bacterial fertilizer, then placing a layer of surface soil, then placing a layer of organic fertilizer, and then sequentially placing the three layers to form a cone shape;
d. wrapping the formed mixture of the conical surface soil, the biological bacterial fertilizer and the organic fertilizer by using a plastic film;
e. uniformly pricking a plurality of air holes on a plastic film, and airing for 1-2 hours in the sun;
f. and removing the plastic film, and uniformly stirring and mixing the surface soil, the biological bacterial fertilizer and the organic fertilizer in a man-machine combination mode.
By adopting the technical scheme, the surface soil, the biological bacterial fertilizer and the organic fertilizer are fully fused, so that the nutrients contained in the surface soil can be increased, and the quality of the surface soil after remediation can be improved.
The present invention in a preferred example may be further configured to: adding a proper amount of white sugar uniformly in the process of mixing the conical surface soil, the biological bacterial fertilizer and the organic fertilizer.
By adopting the technical scheme, the white sugar can provide certain nutrients for biological floras, is beneficial to further fermentation of biological bacterial manure and organic fertilizer, and improves the nutrients in surface soil.
The present invention in a preferred example may be further configured to: the aeration pipe is placed in the conical surface soil, the biological bacterial manure and the organic fertilizer mixture, and comprises a main pipe and branch pipes, wherein the main pipe is positioned on the axis of the cone, the branch pipes are arranged on the periphery of the main pipe, and a plurality of air holes are formed in the side walls of the main pipe and the branch pipes.
By adopting the technical scheme, oxygen is provided for microorganisms in the fermentation process, stable survival of flora is facilitated, the activity of the flora is improved, and the flora can also ferment substances contained in the original surface soil, so that the improvement of the repair quality of the surface soil is facilitated.
The present invention in a preferred example may be further configured to: in the man-machine combined stirring and mixing process, an ultraviolet sterilizing lamp is used for sterilizing the mixture of surface soil, biological bacterial manure and organic fertilizer.
By adopting the technical scheme, the condition of harmful strains such as escherichia coli, staphylococcus aureus and the like contained in the mixed surface soil is favorably reduced, and the harmful strains in the repaired surface soil are avoided, so that the problem of later-stage plant growth is caused, and the later-stage plant growth is favorably realized.
The present invention in a preferred example may be further configured to: the organic fertilizer is prefabricated in advance, and the preparation steps are as follows:
i, collecting leaves, removing handles of the leaves, and cutting the leaves into pieces;
II, sterilizing the cut leaves;
III, selecting a proper amount of wet soil to be mixed with the cut leaves,
IV, putting the leaves into a container, and pouring phosphoric acid into the container to enable the phosphoric acid to overflow the leaves;
v, adding ammonia water into the container, and neutralizing the pH value of the mixture of the phosphoric acid and the leaves;
VI, adding enzyme capable of decomposing plant cell wall into the mixture of phosphoric acid and leaves neutralized by PH paper.
Through adopting above-mentioned technical scheme, the cell wall of broken ring leaf that phosphoric acid can be quick has shortened the fermentation time of leaf, and the aqueous ammonia is favorable to the stability and the activity of cellulase in neutralization pH value, and the aqueous ammonia can also generate the phosphorus fertilizer with phosphoric acid, has increased the nutrient composition after the leaf fermentation.
The present invention in a preferred example may be further configured to: and backfilling and spreading the mixed surface soil in a man-machine combined mode, and leveling the spread surface soil.
By adopting the technical scheme, the surface soil is backfilled, the structure of the naturally formed surface soil is simulated, and the surface soil backfilled at the later stage is favorable for the stable growth of plants.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the purpose of quickly restoring surface soil can be realized, the time period of forming the surface soil in the nature is shortened, the problem of surface soil damage can be fundamentally solved, and the improvement of the cultivated land quality is facilitated; (ii) a
2. The biological bacterial fertilizer and the organic fertilizer are beneficial to environmental protection, and the condition that chemical substances destroy soil is reduced.
Drawings
Fig. 1 is a schematic view of a vent pipe.
In the figure, 1, a breather pipe; 11. a main pipe; 12. and (4) branch pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A construction method for soil finishing, surface soil stripping and backfilling comprises the following steps:
s1, performing detection analysis according to the surface soil naturally formed in nature, and making a minimum standard and a maximum standard suitable for plant growth. The method comprises the steps of searching undeveloped sections, removing multiple natural surface soil samples, wherein the natural surface soil samples comprise surface soils with multiple terrains, taking multiple soil samples from the surface soils with the same type of terrains, measuring nutrient component values of the surface soils of the sections with different terrains, carrying out plant cultivation tests by using the surface soils with the same type and multiple types from the sections with different terrains, and finally obtaining the lowest value of the surface soils with different types suitable for plant growth to form the lowest standard of the surface soil with one type. When the minimum standard is found, the optimal growth standard of the plant is also tested, the plant can die due to overnutrition even in an excellent growth environment, and meanwhile, the repaired surface soil is prevented from exceeding the optimal environment for plant growth, and the waste of resource repair is reduced.
And S2, dividing the land parcel into a plurality of land parcel sections. In the same region, the damaged condition of the surface soil of different positions is different, so that the surface soil with different damage degrees is subjected to variable repair work, unnecessary repair waste is reduced, and the condition of the surface soil stability balance of the same land is improved.
And S3, sampling the surface soil of each block, and detecting and analyzing the surface soil sample of each different block. The accurate sampling work of the surface soil without the block sections is realized, and the cross and chaotic condition of the surface soil samples of different block sections is avoided.
And S4, marking the blocks with the surface soil lower than the minimum standard value. The method has the advantages that the block section with the surface soil lower than the lowest standard is found accurately, accurate repair work is achieved, reduction of the block section which reaches the standard is facilitated, surface soil repair is conducted again, the surface soil with too high nutrient content is not beneficial to growth of plants, and therefore the plants are led to die, and resource waste caused by value-added repair is avoided.
And S5, removing sundries on the marked block ground in a man-machine combined mode. Impurities on the block sections needing to be repaired are removed, so that the influence of the impurities in the process of repairing surface soil is reduced, and the quality of repairing the surface soil is improved; according to different terrain blocks needing to be repaired, manual cleaning or mechanical cleaning or man-machine combined cleaning is selected, and cleaning efficiency is effectively improved.
And S6, stripping the surface soil by using a man-machine combination mode. According to different terrain blocks needing to be repaired, manual work or a mechanical or man-machine combined mode is selected for carrying out surface soil stripping work, and a bulldozer is generally adopted as a machine, so that cleaning efficiency can be effectively improved. The peeled surface soil is subjected to pollution analysis, and the damage in the non-nutrient aspect is also subjected to repair work, so that the indexes of other aspects can be suitable for the growth of plants under the condition of sufficient nutrients in the later period.
The depth of the surface soil to be stripped is generally 10-15cm, the depth of stripping the surface soil is increased, the depth of the surface soil reaching the minimum standard after restoration is increased, the stability of the surface soil after later restoration is facilitated, when the uppermost surface soil does not reach the standard, the surface soil can be cultivated and renovated, the soil without damage below is renovated, new surface soil is formed, and the period of the soil needing to be restored is shortened.
And S7, stacking and mixing the peeled surface soil with biological bacterial manure and organic fertilizer. The remediation work of the surface soil is realized, the surface soil, the biological bacterial fertilizer and the organic fertilizer are fully fused, the nutrients contained in the surface soil are increased, and the remediated surface soil reaches the minimum standard value of plant growth.
The biological bacterial fertilizer and the organic fertilizer are beneficial to environmental protection, and the condition that chemical substances destroy soil is reduced. Wherein the fertilizer generally adopts prefabricated mode to do, and the convenience can be brought directly to use when needs use, great reduction the repair phase of surface soil, though there are a lot of remediation agents on the market, still will select suitable fertilizer according to restoreing different relief surface soil, prefabricated fertilizer step as follows:
i, collecting leaves, removing handles of the leaves and cutting the leaves into pieces. Generally, the broad leaves are selected as the raw materials of the organic fertilizer, the thickness of the leaves is uniform and moderate, and the contact area of the cut leaves is increased compared with that of the whole leaves, so that the fermentation work is facilitated, and the forming time of the organic fertilizer is shortened.
And II, sterilizing the cut leaves. The collected leaves may have some rotten conditions when falling on the ground, meanwhile, some bad strains exist on the ground surface, the quality of the later-stage organic fertilizer can be affected, the influence of the bad strains can be reduced by the sterilization step, and the sterilization method is various and generally adopts an ultraviolet sterilization mode.
And III, selecting a proper amount of wet soil and mixing with the cut leaves. The wet soil provides a warm and moist space for the leaves, which is beneficial to the survival of microorganisms and flora and the whole fermentation process, and the wet soil is also subjected to sterilization treatment.
And IV, placing the leaves into a container, and pouring phosphoric acid into the container to enable the phosphoric acid to overflow the leaves. The phosphoric acid can destroy cell walls in the leaves, so that the cell wall breaking time in the fermentation process is shortened, and the preparation time of the whole organic fertilizer is shortened; meanwhile, the phosphoric acid has a certain sterilization function, and some bad strains can be further reduced.
And V, adding ammonia water into the container, and neutralizing the pH value of the mixture of the phosphoric acid and the leaves. The phosphoric acid has certain acidity, the fermented organic fertilizer has strong acidity, is inapplicable to soil with certain topography, can control the pH value of the organic fertilizer according to the amount of added ammonia water, and can be applicable to soil with different pH values. Under the condition of ensuring that ammonia water and phosphoric acid can react, phosphate fertilizer can be generated, and the nutrients in the organic fertilizer are further improved.
VI, adding enzyme capable of decomposing plant cell wall into the mixture of phosphoric acid and leaves neutralized by PH paper. Because phosphoric acid has certain acidity and can kill some fungus crowd and microorganism, lead to the fashioned time of fertilizer longer, add the enzyme that can decompose the plant cell wall and can accelerate the decomposition of plant cell wall, improve the degree that the leaf corrodes, generally select for use cellulase, accelerate the degradation fermentation work to the leaf.
After taking the organic fertilizer and the biological bacterial fertilizer which are prefabricated and are suitable for the surface soil to be repaired, stacking and mixing the surface soil, the biological bacterial fertilizer and the organic fertilizer as follows:
a. selecting surface soil, biological bacterial fertilizer and organic fertilizer in a proportion of 10: 1: 2. the surface soil, the biological bacterial fertilizer and the organic fertilizer in a certain proportion are beneficial to improving the stability of the nutrient content of the repaired surface soil and avoiding that the repaired surface soil can not reach the minimum standard or exceed the optimal growth standard of plants.
b. The surface soil, the biological bacterial fertilizer and the organic fertilizer are piled up in a conical shape. The three components are piled up together and are close to each other, nutrition can permeate into surface soil, the biological bacterial fertilizer generally adopts animal excrement, the biological bacterial fertilizer and the organic fertilizer are adopted, environmental protection is facilitated, and the condition that chemical substances damage the soil is reduced. .
c. Firstly, placing a layer of biological bacterial fertilizer, then placing a layer of surface soil, then placing a layer of organic fertilizer, and then sequentially placing the three layers to form a cone shape. Placing the surface soil between the biological bacterial fertilizer and the organic fertilizer, so that nutrients can permeate into the surface soil more quickly; in the composting process, a proper amount of water needs to be scattered, and a proper amount of white sugar is scattered at the same time, so that the moist environment is favorable for survival of flora, the white sugar can provide certain nutrients for biological flora, is favorable for further fermentation of biological bacterial manure and organic fertilizer, and improves the nutrients in surface soil.
Except the problem of moist environment and nutrients, the flora still needs oxygen to survive, a vent pipe 1 is placed in the mixture of conical surface soil, biological bacterial manure and organic fertilizer, the vent pipe 1 comprises a main pipe 11 positioned on the axis of the cone and branch pipes 12 arranged around the main pipe 11, and a plurality of vent holes are formed in the side walls of the main pipe 11 and the branch pipes 12. Be responsible for the top of 11 and stretch out coniform surface soil, biological bacterial manure, the fertilizer mixture, at the in-process that forms surface soil, biological bacterial manure, fertilizer mixture, all enclose the work that breather pipe 1 piled up, all be equipped with the filter screen in the opening tip of branch pipe 12 and the drill way department of air vent, avoid surface soil, biological bacterial manure, fertilizer to block up the condition of breather pipe 1. The aeration pipe 1 provides oxygen for microorganisms in the fermentation process, so that stable survival of flora is facilitated, the activity of the flora is improved, and the flora can also ferment substances contained in the original surface soil, thereby being beneficial to improving the repair quality of the surface soil.
d. And wrapping the formed mixture of the conical surface soil, the biological bacterial fertilizer and the organic fertilizer by using a plastic film. The flora keeps active in-process still needs to ask for a certain time, and the flora can produce certain heat at the in-process of activity, through packing up the fertilizer heap, and the heat temperature in the certain degree keeps the fertilizer heap is favorable to the integration of whole fertilizer and soil, and in addition, the plastic film will not stretch out the main pipe 11 of coniform surface soil, biological bacterial manure, the mixed body department of fertilizer and seal.
e. Uniformly pricking a plurality of air holes on the plastic film, and airing for 1-2 hours in the sun. Through shining of sunshine, the required temperature of the integration in-process of accelerating fertilizer and soil that can be further, the gas of being responsible for 1 disperses the inside of face soil, biological bacterial manure, fertilizer mixture from the bleeder vent on branch pipe 12, has increased the area of ventilating, guarantees the air permeability of coniform surface soil, biological bacterial manure, fertilizer mixture.
f. And removing the plastic film, and uniformly stirring and mixing the surface soil, the biological bacterial fertilizer and the organic fertilizer in a man-machine combination mode. The former step is to mix the surface soil, the biological bacterial manure and the organic fertilizer through the state of microorganism or molecular motion, and to mix the surface soil, the biological bacterial manure and the organic fertilizer in physical structure through a man-machine combination mode, so that the surface soil after treatment can reach the minimum standard.
In the man-machine combined stirring and mixing process, an ultraviolet sterilizing lamp is used for sterilizing the mixture of surface soil, biological bacterial fertilizer and organic fertilizer. The method is beneficial to reducing the condition of harmful strains such as escherichia coli, staphylococcus aureus and the like contained in the mixed surface soil, and avoids the harmful strains in the repaired surface soil, so that the problem of later plant growth is caused, and the later plant growth is facilitated.
And S8, backfilling the surface soil after the mixing treatment. And backfilling and spreading the mixed surface soil in a man-machine combined mode, and leveling the spread surface soil. The surface soil is backfilled, the structure of the naturally formed surface soil is simulated, the improvement of the cultivated land quality is facilitated, and the surface soil backfilled at the later stage is beneficial to the stable growth of plants.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A construction method for soil conditioning, surface soil stripping and backfilling is characterized in that: the method comprises the following steps:
s1, performing detection analysis according to surface soil naturally formed in nature, and making a minimum standard and a maximum standard suitable for plant growth;
s2, performing area division on the land parcel, and dividing the land parcel into a plurality of parcel sections;
s3, sampling the surface soil of each block, and detecting and analyzing the surface soil sample of each different block;
s4, marking the blocks of which the surface soil is lower than the minimum standard value;
s5, removing sundries on the marked block ground in a man-machine combination mode;
s6, stripping the surface soil by a man-machine combination mode;
s7, stacking and mixing the peeled surface soil with biological bacterial manure and organic fertilizer;
and S8, backfilling the surface soil after the mixing treatment.
2. The construction method for soil finishing surface soil stripping and backfilling according to claim 1, characterized in that: the depth of stripping the surface soil by a man-machine combination mode is 10-15 cm.
3. The construction method for soil finishing surface soil stripping and backfilling according to claim 1, characterized in that: the stacking and mixing treatment of the peeled surface soil, the biological bacterial fertilizer and the organic fertilizer comprises the following steps:
a. selecting surface soil, biological bacterial fertilizer and organic fertilizer in a proportion of 10: 1: 2;
b. surface soil, biological bacterial fertilizer and organic fertilizer are piled up in a conical shape;
c. firstly, placing a layer of biological bacterial fertilizer, then placing a layer of surface soil, then placing a layer of organic fertilizer, and then sequentially placing the three layers to form a cone shape;
d. wrapping the formed mixture of the conical surface soil, the biological bacterial fertilizer and the organic fertilizer by using a plastic film;
e. uniformly pricking a plurality of air holes on a plastic film, and airing for 1-2 hours in the sun;
f. and removing the plastic film, and uniformly stirring and mixing the surface soil, the biological bacterial fertilizer and the organic fertilizer in a man-machine combination mode.
4. The construction method for soil finishing surface soil stripping and backfilling according to claim 3, characterized in that: adding a proper amount of white sugar uniformly in the process of mixing the conical surface soil, the biological bacterial fertilizer and the organic fertilizer.
5. The construction method for soil finishing surface soil stripping and backfilling according to claim 4, characterized in that: the aeration pipe (1) is placed in a conical surface soil, biological bacterial manure and organic fertilizer mixture, the aeration pipe (1) comprises a main pipe (11) and branch pipes (12), the main pipe (11) is located on the axis of a cone, the branch pipes (12) are arranged on the periphery of the main pipe (11), and a plurality of air holes are formed in the side walls of the main pipe (11) and the branch pipes (12).
6. The construction method for soil finishing surface soil stripping and backfilling according to claim 5, characterized in that: in the man-machine combined stirring and mixing process, an ultraviolet sterilizing lamp is used for sterilizing the mixture of surface soil, biological bacterial manure and organic fertilizer.
7. The construction method for soil finishing surface soil stripping and backfilling according to claim 1, characterized in that: the organic fertilizer is prefabricated in advance, and the preparation steps are as follows:
i, collecting leaves, removing handles of the leaves, and cutting the leaves into pieces;
II, sterilizing the cut leaves;
III, selecting a proper amount of wet soil to be mixed with the cut leaves,
IV, putting the leaves into a container, and pouring phosphoric acid into the container to enable the phosphoric acid to overflow the leaves;
v, adding ammonia water into the container, and neutralizing the pH value of the mixture of the phosphoric acid and the leaves;
VI, adding enzyme capable of decomposing plant cell wall into the mixture of phosphoric acid and leaves neutralized by PH paper.
8. The construction method for soil finishing surface soil stripping and backfilling according to claim 1, characterized in that: and backfilling and spreading the mixed surface soil in a man-machine combined mode, and leveling the spread surface soil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112400623A (en) * | 2020-11-10 | 2021-02-26 | 中煤科工集团北京土地整治与生态修复科技研究院有限公司 | Method for ecologically restoring mining area in ecologically vulnerable area lacking foreign soil and layered structure |
| CN113439498A (en) * | 2021-06-17 | 2021-09-28 | 广西壮族自治区自然资源生态修复中心 | Method for stripping plough layer in karst rocky mountain area |
| CN115004895A (en) * | 2022-05-13 | 2022-09-06 | 广东华远国土工程有限公司 | Method for stripping, storing and recycling plough layer |
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