CN114303877A - Preparation method of vegetation growth substrate for rocky desertification area and substrate - Google Patents
Preparation method of vegetation growth substrate for rocky desertification area and substrate Download PDFInfo
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- CN114303877A CN114303877A CN202110771206.4A CN202110771206A CN114303877A CN 114303877 A CN114303877 A CN 114303877A CN 202110771206 A CN202110771206 A CN 202110771206A CN 114303877 A CN114303877 A CN 114303877A
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- soil
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- 230000012010 growth Effects 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 77
- 239000002689 soil Substances 0.000 claims abstract description 57
- 239000011159 matrix material Substances 0.000 claims abstract description 55
- 239000013589 supplement Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002881 soil fertilizer Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 16
- 238000011049 filling Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
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- 108010020346 Polyglutamic Acid Proteins 0.000 description 2
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- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
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- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 2
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
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- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
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- 235000010413 sodium alginate Nutrition 0.000 description 1
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Images
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- Cultivation Of Plants (AREA)
Abstract
The application provides a vegetation growth substrate preparation method and a substrate for a stony desertification area, wherein the method comprises the steps of obtaining soil of the stony desertification area to be treated and substrate supplement, and the substrate supplement comprises soil fertilizer and water; obtaining sand grains of a stony desertification area to be treated; and uniformly mixing the sand grains, the soil and the substrate supplement to obtain the substrate. According to the preparation method of the vegetation growth matrix in the stony desertification area, the matrix is prepared by using the soil and sand of the stony desertification area to be treated, the acquisition efficiency of the matrix can be improved, and the treatment efficiency of the stony desertification area is improved.
Description
Technical Field
The application relates to the technical field of desert control, in particular to a vegetation growth substrate preparation method and a substrate for a stony desertification area.
Background
The stony desertification area is a kind of area with large bare bedrock area, serious soil loss and difficult vegetation growth, and is often found in the natural background of tropical, subtropical humid and semi-humid areas.
The rocky desertification problem of the rocky desertification area is generally treated by adopting a passenger soil method, namely, the bare ground of the rocky desertification area is covered by transporting excellent soil of the non-rocky desertification area, and then vegetation recovery work is carried out on the transported excellent soil. In practical application, under the influence of factors such as difficulty in obtaining excellent soil, high cost in taking and transporting the excellent soil and the like, the application of the soil dressing method is greatly limited, so that the treatment efficiency of the stony desertification area is low.
Disclosure of Invention
The embodiment of the application aims to provide a vegetation growth substrate preparation method and a substrate for a stony desertification area, which are used for solving the problem of low treatment efficiency of the stony desertification area.
In a first aspect, an embodiment of the present application provides a method for preparing a vegetation growth substrate in a stony desertification area, including:
obtaining soil of a stony desertification area to be treated and substrate supplement, wherein the substrate supplement comprises soil fertilizer and water;
obtaining sand grains of a stony desertification area to be treated;
and uniformly mixing the sand grains, the soil and the substrate supplement to obtain the substrate.
Optionally, after the sand, the soil and the substrate supplement are uniformly mixed to obtain a substrate, the method further comprises:
paving the sand on the ground surface of the stony desertification area to form a sand particle layer;
and covering the sand particle layer with the matrix.
Optionally, the thickness of the sand particle layer is greater than 0 and less than or equal to 20 cm, and the sum of the thickness of the sand particle layer and the thickness of the matrix is greater than or equal to 40 cm.
Optionally, the step of obtaining sand of the stony desertification area to be treated comprises;
collecting rocks in the stony desertification area;
and crushing the rock to obtain the sand grains.
Optionally, the grain size of the rock is less than or equal to 750 mm, and the grain size of the sand is less than or equal to 2 mm.
Optionally, before the step of applying the sand to the surface of the stony desertification area to form a layer of sand, the method further comprises:
crushing and collecting the bumps on the ground surface of the stony desertification area;
and filling pits on the earth surface of the stony desertification area.
Optionally, the matrix supplement further comprises a soil water retention agent.
In a second aspect, embodiments of the present application provide a substrate comprising:
sand of a stony desertification area, soil of the stony desertification area and substrate supplement, wherein the sand, the soil and the substrate supplement are uniformly mixed; the substrate supplement includes soil fertilizer and water.
Optionally, the matrix supplement further comprises a soil water retention agent.
Optionally, the weight proportion of the sand grains in the matrix is greater than or equal to 50.00% and less than or equal to 80.38%;
the weight ratio of the soil in the matrix is greater than or equal to 10.00% and less than or equal to 40.38%;
the weight ratio of the soil fertilizer in the matrix is more than or equal to 0.08% and less than or equal to 0.30%;
the weight ratio of the soil water retention agent in the matrix is more than or equal to 0.04% and less than or equal to 0.30%;
the weight ratio of water in the matrix is greater than or equal to 9.50% and less than or equal to 19.88%.
The technical scheme has the following advantages or beneficial effects:
according to the method for preparing the vegetation growth substrate in the stony desertification area, the substrate is prepared by using the soil and sand grains of the stony desertification area to be treated, the obtaining efficiency of the substrate is improved, and the treatment efficiency of the stony desertification area is improved.
Drawings
FIG. 1 is a flow chart of a method for preparing a vegetation growth substrate for a stony desertification area according to an embodiment of the present application;
FIG. 2 is a flow chart of another method for preparing a vegetation growth substrate for a stony desertification area according to the present disclosure;
FIG. 3 is a schematic structural view of a vegetation growth substrate preparation device for a stony desertification area according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a vegetation growth substrate preparation device for another stony desertification area provided by the embodiment of the application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flow chart of a method for preparing a vegetation growth substrate for a stony desertification area according to an embodiment of the present application, as shown in fig. 1, the method comprises the following steps:
Wherein the substrate supplement comprises a soil fertilizer and water;
102, obtaining sand grains of the stony desertification area to be treated.
For environmental management of rocky desertification areas, two treatment modes generally exist, one is to adopt an earth removal method for management; and the second method adopts water-saving irrigation technology for treatment. In practical application, the implementation cost of the soil-borrowing method is high, and the ecological environment of the soil-borrowing area is damaged; the implementation cost of the water-saving irrigation technology is similar to that of the soil-passenger method, and the maintenance difficulty of the water-saving irrigation equipment is higher.
Compared with the two treatment modes, the method for preparing the vegetation growth substrate in the stony desertification area provided by the embodiment of the application utilizes the soil and sand grains of the stony desertification area to be treated to prepare the substrate, so that the acquisition cost and the acquisition difficulty of the substrate can be reduced, the acquisition efficiency of the substrate is improved, and the treatment efficiency of the stony desertification area is improved.
The soil fertilizer is nitrogen phosphorus potassium compound fertilizer generally, and in the practical application, also can be based on the vegetation demand that will plant right the soil fertilizer carries out adaptability adjustment, and this application embodiment is right the concrete composition of soil fertilizer does not restrict.
It should be noted that the soil is generally soil on the ground surface of the stony desertification area, and the soil can be collected on site and then centrally piled in the stony desertification area or the adjacent area thereof, so as to facilitate the preparation of the matrix at the later stage; in addition, the soil is generally clay soil, has good water and fertilizer retention performance, and can be mixed with the sand grains and the matrix to supplement and form a matrix suitable for plant growth, so that the loss rate of water and nutrient substances in the matrix is reduced.
Optionally, the matrix supplement further comprises a soil water retention agent.
By applying the soil water-retaining agent, the loss rate of nutrient substances and water in the matrix can be further reduced, and the survival rate of vegetation planted on the matrix is improved.
In practical application, the soil water-retaining agent may be one or more of xanthan gum, guar gum, sodium alginate, sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose, cationic starch, sodium polyacrylate, polyglutamic acid and other high molecular water-retaining agents, and the soil water-retaining agent is preferably one or more of sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose and polyglutamic acid.
Optionally, as shown in fig. 2, after the sand, the soil and the substrate are uniformly mixed to obtain a substrate, the method further includes:
104, paving the sand grains on the ground surface of the stony desertification area to form a sand grain layer;
and 105, paving the substrate on the sand particle layer.
Further, the thickness of the sand particle layer is greater than 0 and less than or equal to 20 cm, and the sum of the thickness of the sand particle layer and the thickness of the matrix is greater than or equal to 40 cm.
Compared with the acquisition cost of each kilogram of the substrate supplement, the acquisition cost of each kilogram of the sand grains is lower, and in the process of laying the substrate on the ground surface of the stony desertification area, the sand grain layer is arranged as the buffer between the ground surface of the stony desertification area and the substrate, so that the laying amount of the substrate on the ground surface of the stony desertification area can be reduced on the premise of ensuring the planting effect of the substrate, the substrate supplement dosage is saved, and the treatment cost of the stony desertification area is reduced.
Optionally, the step of obtaining sand of the stony desertification area to be treated comprises;
collecting rocks in the stony desertification area;
and crushing the rock to obtain the sand grains.
Further, the grain size of the rock is less than or equal to 750 mm, and the grain size of the sand is less than or equal to 2 mm.
For rocks with a particle size of 750 mm or less, direct collection can be performed; for the rock with the grain size of more than 750 mm, the rock can be broken into the rock with the grain size of less than or equal to 750 mm by rock mining equipment and then collected; the rock mining equipment includes, but is not limited to, a pneumatic drill for locating a rock breaking location and a rock splitter for breaking rock.
In practical applications, in the case where a quarry or a large site or the like exists near the stony desertification area in terms of the production of the sand grains, it is preferable to perform a crushing treatment on the rocks using a rock crushing station existing in the quarry or the large site to obtain the sand grains having a grain size of 2 mm or less.
In case there is no existing rock crushing station near said stony desertification area, the rock crushing station is preferably set up by itself by means of a vibrating feeder, a jaw crusher, a cone crusher, an impact crusher, a vibrating screen, a belt conveyor or the like.
It should be noted that the smaller the size of the sand grains, the higher the production cost of the sand grains, and the better the planting effect of the matrix obtained by mixing the sand grains, and it is preferable to set the size of the sand grains to be 0.5 mm or more and 2 mm or less.
Optionally, before the step of applying the sand to the surface of the stony desertification area to form a layer of sand, the method further comprises:
crushing and collecting the bumps on the ground surface of the stony desertification area;
and filling pits on the earth surface of the stony desertification area.
Through the arrangement, the earth surface of the stony desertification area is subjected to leveling treatment, so that the waste of the sand grains and the matrix at the bumps or the pits is avoided, the laying amount of the sand grains and the matrix on the earth surface of the stony desertification area is reduced, the laying efficiency of the sand grains and the matrix on the earth surface of the stony desertification area is improved, and the treatment cost of the stony desertification area is reduced.
The pits can be filled by the broken bumps or stones on the ground surface of the stony desertification area. In practical application, if the slope-to-terrace operation needs to be carried out on the stony desertification area, the terrace field surface can be formed in a mode of piling stones on the ground surface of the stony desertification area.
Optionally, before the breaking and collecting the bumps of the ground surface of the stony desertification area, the method further comprises:
and cleaning sundries on the ground surface of the stony desertification area, wherein the sundries comprise weeds, miscellaneous trees and garbage on the ground surface of the stony desertification area.
In practical applications, the sand and the matrix are generally spread on the earth surface of the stony desertification area through mechanical equipment, and in order to avoid the disturbance of the impurities on the spreading action of the mechanical equipment, the impurities on the earth surface of the stony desertification area need to be cleaned before the bumps on the earth surface of the stony desertification area are broken.
In addition, the cleaning of the weeds and miscellaneous trees can also correspondingly improve the survival rate of the vegetation planted on the substrate. The impurities may also include waste buildings located on the ground surface of the stony desertification area, and the specific types of the impurities are not limited in the embodiments of the present application.
Some embodiments of the present application also provide a substrate comprising:
sand of a stony desertification area, soil of the stony desertification area and substrate supplement, wherein the sand, the soil and the substrate supplement are uniformly mixed; the substrate supplement includes soil fertilizer and water.
Optionally, the matrix supplement further comprises a soil water retention agent.
Optionally, the weight proportion of the sand grains in the matrix is greater than or equal to 50.00% and less than or equal to 80.38%; the weight ratio of the soil in the matrix is greater than or equal to 10.00% and less than or equal to 40.38%; the weight ratio of the soil fertilizer in the matrix is more than or equal to 0.08% and less than or equal to 0.30%; the weight ratio of the soil water retention agent in the matrix is more than or equal to 0.04% and less than or equal to 0.30%; the weight ratio of water in the matrix is greater than or equal to 9.50% and less than or equal to 19.88%.
Through the arrangement, the preparation cost of the matrix can be reduced and the treatment cost of the stony desertification area can be reduced on the premise of ensuring that the matrix has good water and fertilizer retention performance.
The preparation process of the matrix can be that the sand grains, the soil water-retaining agent and the soil fertilizer are mixed evenly according to the mass ratio requirement, and then water is added for further stirring to obtain the matrix.
The preparation process of the matrix can also be that the soil fertilizer, the soil water-retaining agent and water are uniformly stirred according to the mass ratio requirement to form a solution, and then the sand grains and the soil are added into the solution for further stirring to obtain the matrix.
In practical applications, the weight proportion of the soil water-retaining agent in the matrix can be adaptively reduced in the case of more soil, and can be adaptively increased in the case of less soil, and the weight proportion of the soil water-retaining agent in the matrix is preferably set to be greater than or equal to 0.10% and less than or equal to 0.30%.
As shown in fig. 3, some embodiments of the present application also provide a vegetation growth substrate preparation apparatus for a stony desertification area, the apparatus comprising:
the first acquisition module 201 is used for acquiring soil of a stony desertification area to be treated and substrate supplement, wherein the substrate supplement comprises soil fertilizer and water;
a second obtaining module 202, configured to obtain sand of the stony desertification area to be treated;
and the mixing module 203 is used for uniformly mixing the sand grains, the soil and the substrate supplement to obtain the substrate.
Optionally, as shown in fig. 4, the apparatus further includes:
a first paving module 204 for paving the sand on the surface of the stony desertification area to form a sand layer;
a second coating module 205 for coating the substrate on the layer of sand particles.
Further, the thickness of the sand particle layer is greater than 0 and less than or equal to 20 cm, and the sum of the thickness of the sand particle layer and the thickness of the matrix is greater than or equal to 40 cm.
Optionally, the second obtaining module 202 is specifically configured to:
collecting rocks in the stony desertification area;
and crushing the rock to obtain the sand grains.
Further, the grain size of the rock is less than or equal to 750 mm, and the grain size of the sand is less than or equal to 2 mm.
Optionally, the apparatus further comprises a leveling module, wherein the leveling module is configured to:
crushing and collecting the bumps on the ground surface of the stony desertification area;
and filling pits on the earth surface of the stony desertification area.
Optionally, the apparatus further comprises a cleaning module, wherein the cleaning module is configured to:
and cleaning sundries on the ground surface of the stony desertification area, wherein the sundries comprise weeds, miscellaneous trees and garbage on the ground surface of the stony desertification area.
Optionally, the matrix supplement further comprises a soil water retention agent.
The foregoing is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and refinements can be made without departing from the principle described in the present application, and these modifications and refinements should be regarded as the protection scope of the present application.
Claims (10)
1. A method for preparing vegetation growth substrates in stony desertification areas is characterized by comprising the following steps:
obtaining soil of a stony desertification area to be treated and substrate supplement, wherein the substrate supplement comprises soil fertilizer and water;
obtaining sand grains of a stony desertification area to be treated;
and uniformly mixing the sand grains, the soil and the substrate supplement to obtain the substrate.
2. The method of claim 1, wherein after said uniformly mixing said sand, said soil and said matrix supplement to obtain a matrix, said method further comprises:
paving the sand on the ground surface of the stony desertification area to form a sand particle layer;
and covering the sand particle layer with the matrix.
3. The method of claim 2, wherein the layer of sand particles has a thickness greater than 0 and less than or equal to 20 centimeters, and the sum of the thickness of the layer of sand particles and the thickness of the matrix is greater than or equal to 40 centimeters.
4. The method according to claim 1, wherein said step of obtaining sand of the stony desertification area to be remediated comprises;
collecting rocks in the stony desertification area;
and crushing the rock to obtain the sand grains.
5. A method according to claim 4, characterized in that the rock has a grain size of 750 mm or less and the sand grain has a grain size of 2 mm or less.
6. The method of claim 2, wherein prior to said paving the sand on the surface of the stony desertification area to form a layer of sand, the method further comprises:
crushing and collecting the bumps on the ground surface of the stony desertification area;
and filling pits on the earth surface of the stony desertification area.
7. The method of claim 1 wherein said matrix supplement further comprises a soil water retention agent.
8. A substrate, comprising:
sand of a stony desertification area, soil of the stony desertification area and substrate supplement, wherein the sand, the soil and the substrate supplement are uniformly mixed; the substrate supplement includes soil fertilizer and water.
9. The substrate of claim 8, wherein said substrate supplement further comprises a soil water retention agent.
10. A matrix according to claim 9, wherein the sand particles are present in the matrix in a weight proportion of greater than or equal to 50.00% and less than or equal to 80.38%;
the weight ratio of the soil in the matrix is greater than or equal to 10.00% and less than or equal to 40.38%;
the weight ratio of the soil fertilizer in the matrix is more than or equal to 0.08% and less than or equal to 0.30%;
the weight ratio of the soil water retention agent in the matrix is more than or equal to 0.04% and less than or equal to 0.30%;
the weight ratio of water in the matrix is greater than or equal to 9.50% and less than or equal to 19.88%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771206.4A CN114303877A (en) | 2021-07-08 | 2021-07-08 | Preparation method of vegetation growth substrate for rocky desertification area and substrate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110771206.4A CN114303877A (en) | 2021-07-08 | 2021-07-08 | Preparation method of vegetation growth substrate for rocky desertification area and substrate |
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| CN114303877A true CN114303877A (en) | 2022-04-12 |
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| CN202110771206.4A Pending CN114303877A (en) | 2021-07-08 | 2021-07-08 | Preparation method of vegetation growth substrate for rocky desertification area and substrate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1146584A (en) * | 1997-07-30 | 1999-02-23 | Toyohia Line:Kk | Laminated body unit for greening desert |
| KR100965734B1 (en) * | 2009-03-06 | 2010-06-24 | 류영호 | The system for the greens of the desert |
| CN107567928A (en) * | 2017-09-30 | 2018-01-12 | 广西田阳县创新农业综合开发有限公司 | The stony desertification implantation methods of mango |
| CN108093731A (en) * | 2017-12-15 | 2018-06-01 | 柳州市汉象教育咨询有限责任公司 | A kind of stony desertification treatment method |
-
2021
- 2021-07-08 CN CN202110771206.4A patent/CN114303877A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1146584A (en) * | 1997-07-30 | 1999-02-23 | Toyohia Line:Kk | Laminated body unit for greening desert |
| KR100965734B1 (en) * | 2009-03-06 | 2010-06-24 | 류영호 | The system for the greens of the desert |
| CN107567928A (en) * | 2017-09-30 | 2018-01-12 | 广西田阳县创新农业综合开发有限公司 | The stony desertification implantation methods of mango |
| CN108093731A (en) * | 2017-12-15 | 2018-06-01 | 柳州市汉象教育咨询有限责任公司 | A kind of stony desertification treatment method |
Non-Patent Citations (3)
| Title |
|---|
| 喻甦等: "石漠化土地综合治理模式探讨", 《中南林业调查规划》 * |
| 宋劲等: "巧家县土地石漠化治理模式初探", 《林业调查规划》 * |
| 陈洪云等: "喀斯特峡谷地区不同等级石漠化治理的生态效应――以贵州省花江石漠化生态综合治理示范区为例", 《中国水土保持科学》 * |
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Application publication date: 20220412 |