CN110643367A - Wind erosion preventing slurry and method for soil - Google Patents
Wind erosion preventing slurry and method for soil Download PDFInfo
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- C09K17/00—Soil-conditioning materials or soil-stabilising materials
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Abstract
The application provides a soil wind erosion prevention slurry and a method, wherein the soil wind erosion prevention slurry comprises the following components in parts by weight: 2-3 parts of soil anti-wind erosion material and 7-8 parts of water, wherein the soil anti-wind erosion material comprises the following components in parts by weight: 5-7 parts of Hangjin soil and 3-5 parts of sandstone. The soil erosion prevention method comprises the following steps: respectively taking 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenicum Sablimatum, and crushing and sieving to obtain powdered Hangjin soil and powdered arsenicum Sablimatum; mixing powdered Hangjin soil and powdered sandstone to obtain a soil anti-wind-erosion material; mixing 2-3 parts by weight of soil wind erosion resistant material with 7-8 parts by weight of water to obtain soil wind erosion resistant slurry; the soil wind erosion prevention slurry is sprayed to a target area where crops with grains are planted in advance to prevent and control soil wind erosion. The soil wind erosion prevention slurry and the method provided by the application can effectively prevent and control the wind erosion of desertification lands.
Description
Technical Field
The application relates to the technical field of desertification control, in particular to a soil wind erosion prevention slurry and a method.
Background
Wind erosion refers to the soil erosion process of the loose substances on the ground surface blown or carried by wind, and the dry soil and the relatively stable wind power above the ground surface are the main conditions for severe wind erosion. The wind erosion is the main reason for the productivity decline of desertification land, and the wind erosion not only causes the damage of the soil structure and the serious loss of nutrients, but also has great influence on the growth of crops. China is a country with the largest desertification area, wide distribution and serious harm in the world, the problems of large desertification area and wide distribution are severely restricted and threatened to the survival and development of people in a sandy area, and a large amount of cultivated land in the desertification land area seriously declines the productivity due to wind erosion, thereby causing serious economic loss and threatening the grain safety.
At present, physical, biological, chemical and comprehensive desertification control methods are usually adopted to prevent and treat wind erosion, but the method for preventing and treating wind erosion not only has large engineering quantity, higher cost and more complex process, but also easily causes pollution to soil by chemical components and is easily influenced by the natural climate environment of desert. In addition, hardening is easily formed on the surface of desertification land by adopting a physical or chemical method in the past, and the respiration of plant roots and the infiltration of rainfall are influenced.
Disclosure of Invention
In view of this, the embodiments of the present application provide a soil wind erosion prevention slurry and a method, so as to solve the technical defects existing in the prior art.
The embodiment of the application discloses soil wind erosion prevention slurry, which comprises the following components in parts by weight: 2-3 parts of soil wind erosion resistant material and 7-8 parts of water, wherein the soil wind erosion resistant material comprises the following components in parts by weight: 5-7 parts of Hangjin soil and 3-5 parts of sandstone.
Further, the soil anti-wind-erosion material comprises the following components in parts by weight: 6 parts of Hangjin soil and 4 parts of arsenicum sablimatum.
Further, the Hangjin soil is powdered Hangjin No. 2 soil, and the arsenopyrite is powdered red arsenopyrite.
The embodiment of the application also discloses a soil wind erosion prevention method, which comprises the following steps:
respectively taking 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenicum Sablimatum, and crushing and sieving to obtain powdered Hangjin soil and powdered arsenicum Sablimatum;
mixing the powdery Hangjin soil with powdery sandstone to obtain a soil wind erosion prevention material;
mixing 2-3 parts by weight of the soil wind erosion prevention material with 7-8 parts by weight of water to obtain soil wind erosion prevention slurry;
and spraying the soil wind erosion prevention slurry to a target area where crops with grains are planted in advance to prevent and control soil wind erosion.
Further, the soil erosion prevention method further comprises the following steps:
planting grains in a target area in a mode of two rows and one strip in advance, wherein the planting depth of each grain is 3-5cm, and each grain is irrigated once every 7-10 days.
Further, the crushing and screening treatment of 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenicum sablimatum respectively comprises the following steps:
taking 5-7 parts by weight of Hangjin soil, crushing, and sieving with a 200-mesh sieve to obtain powdery Hangjin soil;
crushing 2-5 parts by weight of sandstone, and sieving with a 2mm sieve to obtain powdery sandstone.
Further, the spraying the soil anti-weathering slurry to a target area previously planted with a grain warp crop comprises:
spraying the soil wind erosion prevention slurry with the spraying height of 0.5-1.0cm and the spraying height of 20-30m3The spraying speed is sprayed to the land surface of a target area where crops are planted in advance, and soil wind erosion is prevented.
The application provides a soil wind erosion prevention slurry combines the soil wind erosion prevention material that is formed by Hangjin soil and arsenic sandstone mixture with the water phase, can effectively prevent and control desertification soil wind erosion, improves desertification soil top layer soil structure and environment, under the condition that does not influence the infiltration of natural rainfall and the breathing of plant roots, is showing the water retention capacity that improves desertification soil, and then improves the survival rate of crops.
According to the soil wind erosion prevention method, the soil wind erosion prevention material formed by mixing Hangjin soil and arsenopyrite is recycled, the soil wind erosion prevention material loses water again when meeting water, the arsenopyrite is condensed into granular solids, the bonding effect of the Hangjin soil is exerted, wind erosion of desertified soil is prevented, the surface soil structure and the environment of the desertified soil are improved, the process is simple, the processing cost is low, no pollution is caused to the environment, and the method is suitable for large-scale popularization and application.
Drawings
Fig. 1 is a schematic flow chart illustrating steps of a method for preventing wind erosion of soil according to an embodiment of the present application.
Detailed Description
The following description of specific embodiments of the present application refers to the accompanying drawings.
The embodiment of the application provides a soil wind erosion prevention slurry, which comprises the following components in parts by weight: 2-3 parts of soil wind erosion resistant material and 7-8 parts of water, wherein the soil wind erosion resistant material comprises the following components in parts by weight: 5-7 parts of Hangjin soil and 3-5 parts of sandstone.
Furthermore, the weight parts of the Hangjin soil can be 5 parts, 6 parts and 7 parts, and the weight parts of the arsenic trioxide can be 2 parts, 3 parts, 4 parts and 5 parts, which can be determined according to specific conditions.
Hanggin soil is a natural environmental mineral material, mainly composed of quartz, feldspar, calcite, chlorite, palygorskite and amorphous iron oxide (Fe)2O3) The composition is characterized in that the Hangjin soil is mainly distributed in the interior of the inner Mongolian Hangjin flag, the Hangjin soil has the blue absorption amount of 21.50-30.50mmol/100g, the expansion volume of less than 5mL/g, the colloid value of 32-38mL/15g and the pulping rate of 3.1-3.8m3T, plasticity index of 8-14%, water absorption of saturated saline of 84.5-97.6%, pH value of 8.7-9.1, decolorizing power of 68-82%, activity of 0.3-55.2mL/100g, specific surface area of 229m2/g。
Quartz, a mineral resource with very stable physical and chemical properties, is one of the most widely distributed minerals on the earth's surface. There are various types of quartz, such as vein quartz, quartz sand, quartzite, sandstone, silica, opal, diatomaceous earth, etc. The physical property and chemical property of quartz are very stable, and the crystal belongs to oxide mineral of trigonal system, namely low-temperature quartz (a-quartz), which is a mineral species with the widest distribution in quartz group minerals.
Feldspar is the most important rock-making mineral of surface rock. Feldspar is a general name of feldspar minerals, and is a common aluminosilicate rock-making mineral containing calcium, sodium and potassium. It is available in various forms, such as albite, anorthite, celsian, microcline feldspar, orthoclase feldspar, and diaclase feldspar.
Calcite, a calcium carbonate mineral, is also a widely distributed mineral. Calcite has various crystal shapes, and the aggregate thereof may be a cluster of crystals, and may be granular, massive, fibrous, milky, earthy, or the like.
Clinopodium, ingredient (Mg, Fe)4.75Al1.25〔Al1.25Si2.75O10〕(OH)8The material is a monoclinic system, the crystal of the monoclinic system is in a pseudo hexagonal plate shape, the aggregate is in a scaly shape, the structure is from grass green to light olive green, the structure belongs to 2:1:1 type clay mineral, each structural unit is formed by two silicon-oxygen tetrahedrons and a magnesium (iron) oxygen octahedron sandwiched between the two silicon-oxygen tetrahedrons, and the layers of the structural units are also sandwiched with a magnesium (aluminum) oxygen octahedron.
Palygorskite, also known as palygorskite or attapulgite, is a water-containing magnesium-rich aluminosilicate clay mineral with a layer chain structure. Palygorskite belongs to the structure of 2: type 1 clay minerals, i.e., two layers of silica tetrahedra sandwiching a layer of magnesium (aluminum) oxy octahedra, wherein the tetrahedra and octahedra arrangement has both a chain structure and a layered structure, in each of 2: in the 1 unit structure layer, the tetrahedral wafer angle tops are reversed at a certain distance to form a layer chain. Palygorskite has great specific surface area, adsorption capacity, excellent rheological property and catalytic performance, ideal colloid performance and heat resistance, and is one rare mineral.
Arsenopyrite is a unconsolidated rock formation, specifically a interbedded rock composed of thick-layer sandstone, sand shale and argillaceous sandstone in the ages of ancient and middle ages, Jurassic and Chalkbrook. The arsenopyrite is a continental clastic rock system, and has low diagenesis degree, poor cementation degree among sand grains and low structural strength due to small thickness and low pressure of an overlying rock layer. The Oridos plateau in the region bordered by Shananmeng in the north of the loess plateau is intensively distributed.
The arsenopyrite in the soil anti-wind-erosion material has extremely strong sensitivity to water, is soft as mud when meeting water, and has rapidly reduced hardness, and relatively unstable chemical components in the arsenopyrite easily generate biochemical weathering effect under the action of water, so that the strength loss of the arsenopyrite is aggravated. After the water is evaporated and dried, the shrinkage deformation of the arsenopyrite can be caused, and further a granule group is formed. The Hangjin soil belongs to one of clay minerals, and the clay minerals have expansibility, namely the phenomenon of volume increase after water absorption, and comprise internal expansibility and external expansibility, wherein the internal expansibility refers to the expansion phenomenon generated by water molecules entering into a crystal layer of the clay minerals, and the external expansibility refers to the expansion phenomenon generated by the water molecules existing among particles.
Therefore, the arsenic sandstone and the Hangjin soil are expanded and soft as mud when meeting water, and after the water is evaporated and dried, the Hangjin soil generates an adhesion effect, and the arsenic sandstone contracts and deforms to form a particle group. If the Hangjin soil is applied to the surface of the desertified land alone, the bonding effect of the Hangjin soil can cause the soil on the surface to be hardened and the root system of the plant can not breathe; if arsenic sandstone is applied to the surface of desertified land alone, the particle groups can not be fixed on the surface, and the arsenic sandstone is scattered when meeting wind, so that the effect of preventing and controlling wind erosion can not be achieved. The Hangjin soil and the arsenopyrite are effectively combined, a synergistic effect is generated between the Hangjin soil and the arsenopyrite, the Hangjin soil and the arsenopyrite are bonded together by a bonding effect generated after the Hangjin soil is subjected to water re-dehydration after being subjected to water re-dehydration, an effective consolidation layer is formed on the earth surface of desertification land, and a particle group formed after the arsenopyrite is subjected to water re-dehydration shrinkage is large in size, a certain gap is reserved between adjacent particle groups after bonding, when earth surface sand grains are fixed and the desertification land is prevented from being corroded by wind, infiltration of natural rainfall and respiration of a plant root system are not influenced, water is effectively preserved, and crop growth is facilitated.
Further, the Hangjin soil is powdered Hangjin No. 2 soil, and the arsenopyrite is powdered red arsenopyrite.
The Hangjin No. 2 soil is a novel mixed clay mineral species which is formed by combining 21.2-28.1% of palygorskite, 24.6-35.4% of illite, 10.8-12.1% of clinopodium, 10.3-15.4% of feldspar, 12.1-15.2% of calcite, 11.6-19.7% of quartz and amorphous iron oxide which are formed by sedimentation of a continental lake basin and contain rare earth elements and rare elements, and has the characteristics of small natural granularity, large specific surface area, large blue absorption amount, strong adsorption and decoloration capacity and the like, and is rich in reserves, easy to mine and low in price.
Illite, also known as hydromica, is a common clay mineral, which is usually produced by weathering muscovite and potash feldspar, and is produced in argillaceous rocks, or is formed by alteration of other minerals. It is often an intermediate transition mineral that forms other clay minerals. Illite is a clay mineral with a layered structure like mica. The crystal mainly belongs to a monoclinic system hydrous layered structure silicate mineral. Illite is a potassium-rich layered structure silicate, the structure of which belongs to 2: the type 1 clay mineral has each structural unit comprising two silica tetrahedrons sandwiching one octahedron of aluminum (magnesium) oxygen sandwiched therebetween, and belongs to a dioctahedral structure, wherein each structural unit continuously extends in the plane direction and continuously overlaps in the vertical plane direction to form a layered structure. Illite also has the characteristics of being crisp, fragile, fine and smooth in texture and small in hardness.
Red arsenic sandstone is a loose rock stratum which is a continental clastic rock system, has low diagenesis degree, low structural strength, poor cementation degree among sand grains, strong sensitivity to water, is soft like mud when meeting water and has rapidly reduced hardness.
Hangjin No. 2 soil in the soil wind erosion preventing material swells and disintegrates into mud when meeting water, shrinks and coagulates under water and generates an adhesive effect, red arsenic sandstone swells and disintegrates into mud when meeting water and coagulates into a particle group under water, and the red arsenic sandstone and the particle group are effectively combined, so that the structure and the environment of the surface soil of desertified soil are improved while the wind erosion of desertified soil is effectively prevented, the water retention capacity of desertified soil can be obviously improved under the condition of not influencing the infiltration of natural rainfall and the respiration of plant roots, and the survival rate of crops is further improved.
The soil wind erosion prevention slurry provided by the embodiment makes full use of two natural resources of arsenicum sand and Hangjin soil, has all natural components, has no any pollution to the environment, can avoid secondary pollution and harm caused by chemical reagents to the soil environment, effectively prevents desertification soil wind erosion and improves the survival rate of crops on the premise of protecting the environment, and is environment-friendly and efficient.
As shown in fig. 1, an embodiment of the present application discloses a method for preventing wind erosion of soil, including steps S1 to S4.
S1, respectively taking 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenicum sablimatum, and crushing and sieving to obtain powdered Hangjin soil and powdered arsenicum sablimatum.
Further, 5-7 parts by weight of Hangjin soil can be taken for crushing and is sieved by a 200-mesh sieve, so as to obtain powdery Hangjin soil; crushing 2-5 parts by weight of sandstone, and sieving with a 2mm sieve to obtain powdery sandstone.
Furthermore, the weight parts of the Hangjin soil can be 5 parts, 6 parts and 7 parts, and the weight parts of the arsenic trioxide can be 2 parts, 3 parts, 4 parts and 5 parts, which can be determined according to specific conditions.
The crushing is a unit operation in chemical production, is an operation in a pure mechanical process, and is to process and reduce solid raw materials which are too large and not suitable for use or semi-finished products which do not meet requirements, the process is called crushing, and the crushing mainly has two modes: crushing and grinding. Wherein, the crushing is to simply change large materials into small materials; grinding, in which the raw material is ground into very fine particles, is classified into dry grinding and wet grinding according to the process, and the dry grinding is large in dust, and the wet grinding is not easy to grind, requiring a long time. In this embodiment, the hang jin soil and the arsenopyrite are ground into powder by a dry grinding method, because the hang jin soil and the arsenopyrite swell when contacting water and change the hardness.
Sieving, also known as sifting, is an operation process in which coarse powder and fine powder are separated from the coarse and fine mixed powder by a mesh-shaped tool in order to avoid great differences in the thicknesses of the pulverized powders and to meet the requirements of subsequent steps. Screened tools include "screens" and "wires," where the coarse mesh tool is referred to as a "screen" and the fine mesh tool is referred to as a "wire.
The Hangjin soil and the arsenicum Sablimatum are crushed and sieved, so that the particle uniformity of the Hangjin soil and the arsenicum Sablimatum can be effectively improved, the Hangjin soil and the arsenicum Sablimatum are uniformly mixed, and the mixing uniformity of the Hangjin soil and the arsenicum Sablimatum is improved.
And S2, mixing the powdery Hangjin soil with powdery sandstone to obtain the soil anti-wind-erosion material.
Specifically, the powdery Hangjin soil and the powdery arsenicum Sablimatum can be fully stirred in the mixing process so as to improve the mixing degree of the powdery Hangjin soil and the powdery arsenicum Sablimatum and ensure the basic performance of the soil anti-wind-erosion material.
S3, mixing 2-3 parts by weight of the soil wind erosion prevention material with 7-8 parts by weight of water to obtain soil wind erosion prevention slurry.
Specifically, the soil wind erosion preventing material and the water may be sufficiently stirred during the mixing process to improve the degree of mixing of the soil wind erosion preventing material and the water, i.e., the uniformity of the soil wind erosion preventing slurry.
The arsenopyrite in the soil anti-wind-erosion material has extremely strong sensitivity to water, is soft as mud when meeting water, and has rapidly reduced hardness, and relatively unstable chemical components in the arsenopyrite easily generate biochemical weathering effect under the action of water, so that the strength loss of the arsenopyrite is aggravated. After the water is evaporated and dried, the shrinkage deformation of the arsenopyrite can be caused, and further a granule group is formed. The Hangjin soil belongs to one of clay minerals, and the clay minerals have expansibility, namely the phenomenon of volume increase after water absorption, and comprise internal expansibility and external expansibility, wherein the internal expansibility refers to the expansion phenomenon generated by water molecules entering into a crystal layer of the clay minerals, and the external expansibility refers to the expansion phenomenon generated by the water molecules existing among particles.
Therefore, the arsenic sandstone and the Hangjin soil are expanded and soft as mud when meeting water, and after the water is evaporated and dried, the Hangjin soil generates an adhesion effect, and the arsenic sandstone contracts and deforms to form a particle group. If the Hangjin soil is applied to the surface of the desertified land alone, the bonding effect of the Hangjin soil can cause the soil on the surface to be hardened and the root system of the plant can not breathe; if arsenic sandstone is applied to the surface of desertified land alone, the particle groups can not be fixed on the surface, and the arsenic sandstone is scattered when meeting wind, so that the effect of preventing and controlling wind erosion can not be achieved. The Hangjin soil and the arsenopyrite are effectively combined, a synergistic effect is generated between the Hangjin soil and the arsenopyrite, the Hangjin soil and the arsenopyrite are bonded together by a bonding effect generated after the Hangjin soil is subjected to water re-dehydration after being subjected to water re-dehydration, an effective consolidation layer is formed on the earth surface of desertification land, and a particle group formed after the arsenopyrite is subjected to water re-dehydration shrinkage is large in size, a certain gap is reserved between adjacent particle groups after bonding, when earth surface sand grains are fixed and the desertification land is prevented from being corroded by wind, infiltration of natural rainfall and respiration of a plant root system are not influenced, water is effectively preserved, and crop growth is facilitated.
S4, spraying the soil wind erosion prevention slurry to a target area where crops with grains are planted in advance to prevent and control soil wind erosion.
Further, the soil wind erosion prevention slurry can be sprayed at a height of 0.5-1.0cm and a height of 20-30m3The spraying speed is sprayed to the land surface of a target area where crops are planted in advance, and soil wind erosion is prevented.
The soil wind erosion prevention slurry is sprayed to the ground surface of a target area where crops are planted in a spraying mode, so that the contact area of the soil wind erosion prevention slurry and the ground surface can be increased, the land area for preventing wind erosion is maximized, the utilization rate of the soil wind erosion prevention slurry is improved, the water evaporation speed can be increased, the soil consolidation speed is increased, and the wind erosion prevention speed is increased.
In practical application, grains are planted in a target area in a mode of two rows and one strip in advance, wherein the planting depth of each grain is 3-5cm, and each grain is irrigated once every 7-10 days.
The grain crops can be corn and other grain crops, and the application is not limited to this. The target area is sandy land subject to wind erosion hazards. The method can utilize the root system of the agricultural crops to intercept rainfall, store water and dissipate energy, solidify land and prevent wind erosion of desertified land.
The two rows of one belt means that trees or shrubs and other desertification control crops and grain crops are planted intermittently, two rows of trees or shrubs are planted between two adjacent grain crops, such as pinus sylvestris, populus diversifolia, haloxylon, flowering rods, sea buckthorns, salix psammophila and the like, and the plant spacing, the row spacing and the belt spacing can be determined according to the planted grain crops, which is not limited in the application.
For example, in the case where the grain crop being planted is corn, the plant spacing may be 20cm, the row spacing 20cm, and the inter-belt spacing 50 cm.
The mode of two rows one belt is adopted for planting, the survival rate of the crops can be effectively improved, the land economic benefit is improved, and the yield maximization is realized.
The soil wind erosion prevention method provided by the application utilizes the soil wind erosion prevention material formed by mixing Hangjin soil and white rock fully, the soil wind erosion prevention material loses water again when meeting water, the white rock is condensed into particle solids and the bonding effect of the Hangjin soil is exerted, the wind erosion of desertified soil is prevented and controlled, the expression soil structure and the environment of the desertified soil are improved, the crops are planted, the roots of the crops are utilized to intercept rainfall, store water and dissipate energy, the soil is consolidated, the wind erosion of the desertified soil is further prevented and controlled, the process is simple, the processing cost is low, no pollution is caused to the environment, and the method is suitable for large-scale popularization and application.
Test example 1
In this test example, a field contrast test was conducted in the inner Mongolia Erdos Hangjinqi Duyuatarah town, which is located at the northern edge of Kubuqidesert.
The test example was provided with a corn control group and a corn treatment group.
Mechanically sowing two areas with the same area in a manner of two rows and one belt in a manner of 20cm plant spacing, 20cm row spacing and 50cm belt spacing in a single-noble township, planting the same number of corns with the planting depth of 3-5cm, and irrigating once every 7-10 days. One area is used as a corn control group, the other area is used as a corn treatment group, the corn control group is not sprayed with soil anti-weathering slurry, and the corn treatment group is sprayed at a height of 0.5-1.0cm and a height of 20-30m3Spraying soil wind erosion prevention slurry to the ground surface at a spraying speed of one hour, wherein the soil wind erosion prevention slurry comprises 2 parts of soil wind erosion prevention materials and 8 parts of water, the soil wind erosion prevention slurry comprises 4 parts of red sandstone and 6 parts of Hangjin No. 2 soil, and other planting conditions are the same.
And after planting, respectively arranging 10 wind erosion piles at random in the corn control group and the corn treatment group, and monitoring the annual average wind erosion amount of the soil of the corn control group and the corn treatment group. Data monitoring was performed in the last 10 th month, and the average wind erosion thickness of the soil in the corn control group and the corn treatment group was calculated, respectively, and the results are shown in table 1.
After half a month of planting, randomly selecting 5 big sample squares of 10m by 10m from the corn control group and the corn treatment group respectively, randomly selecting 5 small sample squares of 1m by 1m from each big sample square for carrying out detection statistics on the survival rate of the corn, and calculating the average value, wherein the results are shown in table 1.
TABLE 1
As shown in table 1, the average wind erosion thickness of the soil in the corn control group is 16cm, which indicates that the area of the corn control group is eroded by wind and blown away from the soil with a thickness of 16cm below the ground surface, the risk of exposing the root system of the crop is high, the average wind erosion thickness of the soil in the corn treatment group is-2 cm, which indicates that the area of the corn treatment group is not eroded by wind and blown away from the ground surface soil, but the thickness of the ground surface soil is increased by 2cm, so that the average wind erosion thickness of the soil in the corn treatment group adopting the soil wind erosion prevention slurry and the soil wind erosion prevention method is significantly smaller than that in the corn control group.
The corn survival rate of the corn treatment group is 53%, the corn survival rate of the corn control group is 91%, and the corn survival rate of the corn treatment group is obviously higher than that of the corn control group.
Therefore, the soil wind erosion prevention slurry and the soil wind erosion prevention method can fix the surface sand grains and the soil by forming the consolidation layer on the surface of the desertified soil, effectively prevent the desertified soil from wind erosion, avoid the exposure of crop roots, improve the surface soil structure and the environment of the desertified soil, obviously improve the water retention capacity of the desertified soil and improve the survival rate of crops.
In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree and order of importance, the premise that each other exists, and the like.
In this context, "equal", "same", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances as would be understood by a person skilled in the art and allowed for manufacturing or use, etc.
Unless otherwise indicated, numerical ranges herein include not only the entire range within its two endpoints, but also several sub-ranges subsumed therein.
The preferred embodiments and examples of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the embodiments and examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the concept of the present application.
Claims (7)
1. The wind erosion preventing slurry for the soil is characterized by comprising the following components in parts by weight: 2-3 parts of soil wind erosion resistant material and 7-8 parts of water, wherein the soil wind erosion resistant material comprises the following components in parts by weight: 5-7 parts of Hangjin soil and 3-5 parts of sandstone.
2. The soil wind erosion prevention slurry of claim 1, wherein the soil wind erosion prevention material comprises the following components in parts by weight: 6 parts of Hangjin soil and 4 parts of arsenicum sablimatum.
3. The soil wind erosion prevention slurry according to claim 1 or 2, wherein the Hangjin soil is powdered Hangjin No. 2 soil, and the arsenopyrite is powdered red arsenopyrite.
4. A method for preventing wind erosion in soil, comprising:
respectively taking 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenicum Sablimatum, and crushing and sieving to obtain powdered Hangjin soil and powdered arsenicum Sablimatum;
mixing the powdery Hangjin soil with powdery sandstone to obtain a soil wind erosion prevention material;
mixing 2-3 parts by weight of the soil wind erosion prevention material with 7-8 parts by weight of water to obtain soil wind erosion prevention slurry;
and spraying the soil wind erosion prevention slurry to a target area where crops with grains are planted in advance to prevent and control soil wind erosion.
5. The method of preventing wind erosion in soil according to claim 4, further comprising:
planting grains in a target area in a mode of two rows and one strip in advance, wherein the planting depth of each grain is 3-5cm, and each grain is irrigated once every 7-10 days.
6. The method for preventing wind erosion of soil according to claim 4, wherein 5-7 parts by weight of Hangjin soil and 3-5 parts by weight of arsenopyrite are respectively crushed and sieved, and the method comprises the following steps:
taking 5-7 parts by weight of Hangjin soil, crushing, and sieving with a 200-mesh sieve to obtain powdery Hangjin soil;
crushing 2-5 parts by weight of sandstone, and sieving with a 2mm sieve to obtain powdery sandstone.
7. The method of claim 4, wherein said spraying the soil anti-weathering slurry onto a target area previously planted with a grain crop comprises:
spraying the soil wind erosion prevention slurry with the spraying height of 0.5-1.0cm and the spraying height of 20-30m3The spraying speed is sprayed to the land surface of a target area where crops are planted in advance, and soil wind erosion is prevented.
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