CN218353092U - Horizontal ditch water collection and soil moisture conservation soil preparation structure and vegetation recovery and water and soil conservation structure thereof - Google Patents

Abstract

The utility model provides a horizontal ditch catchment soil moisture conservation soil moisture soil preparation structure belongs to the vegetation recovery and the soil and water conservation of construction topography and keeps technical field. Horizontal ditch catchment soil moisture conservation soil preparation structure includes the soil preparation unit more than one or two of connecting each other, the soil preparation unit includes ridge, first horizontal ditch, second horizontal ditch and the third horizontal ditch as planting the cave that sets gradually from the top down along the contour line overall arrangement of side slope and along the side slope. The utility model can solve the problems of difficult survival of vegetation and serious water and soil loss existing in the disturbed slope of engineering construction; the device is beneficial to playing a good intercepting role and is convenient for construction and walking as well as seedling planting and sowing in the later period; the method is particularly suitable for vegetation restoration and water and soil conservation of the engineering construction disturbed slope in hilly areas or mountain areas with frequent rain such as heavy rain or heavy rain.

Description

Horizontal ditch water collection and soil moisture preservation soil preparation structure and vegetation restoration and water and soil conservation structure thereof

Technical Field

The utility model relates to a vegetation restoration and soil and water conservation technical field of construction topography, particularly, relate to a horizontal ditch catchment and protect moisture in soil preparation structure and a vegetation restoration and soil and water conservation structure that is applicable to engineering construction disturbance side slope that contains this horizontal ditch catchment and protect moisture in soil preparation structure.

Background

The problems of difficult vegetation recovery, serious water and soil loss and the like often exist at the side slope disturbed by engineering construction. For example, the power transmission and transformation facilities have poor slope land conditions due to construction disturbance around the tower footing, and even after the existing vegetation planting mode is adopted, the problems that the slope water and soil loss is serious due to heavy rain or heavy rain and the like and/or the vegetation is difficult to survive due to insufficient water content of the slope and the like generally exist.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to solve the problem of poor slope land condition caused by the disturbance of engineering construction. Another object of the utility model is to solve the vegetation that engineering construction disturbance slope exists and be difficult to survive and/or the serious problem of soil erosion and water loss.

In order to solve one or more among the above-mentioned problem, the utility model discloses an aspect provides a horizontal ditch catchment soil moisture conservation soil preparation structure, horizontal ditch catchment soil moisture conservation soil preparation structure includes the soil preparation unit more than one or two, the contour excavation along the side slope of soil preparation unit, and include ridge, first horizontal ditch, second horizontal ditch and the third horizontal ditch as planting the cave that set gradually from the top down along the side slope.

In an exemplary embodiment of the present invention, the width of the land preparation unit may be 1.35 to 1.65m, and the slope of the side slope may be less than 40 °, for example, may be 15 ° to 30 °.

In an exemplary embodiment of the present invention, the first horizontal groove, the second horizontal groove, and the third horizontal groove may all have a cross section that is a reverse trapezoid-like shape and all have a vertical lower sidewall, an inclined upper side slope, a lower bottom, and a groove upper opening. For example, the upper side slope of the third horizontal trench is connected to the lower side wall of the second horizontal trench through a part of a side slope, the upper side slope of the second horizontal trench is connected to the lower side wall of the first horizontal trench through another part of a side slope, and the upper side slope of the first horizontal trench is directly connected to the ridge. In addition, the slope of the upper side slope may be 1.5 to 4 times and less than 75 ° of the slope of the side slope.

In an exemplary embodiment of the present invention, the first horizontal groove and the second horizontal groove may each have a depth of 8 to 12cm, a lower bottom having a horizontal width of 12 to 16cm, and an upper groove opening having a horizontal width of 18 to 22 cm; the third horizontal grooves can be provided with a depth of 8-12 cm, a lower bottom with a horizontal width of 12-16 cm and an upper groove opening with a horizontal width of 27-33 cm. Further, the one portion and the other portion of the side slope may each have an oblique width of 27 to 33 cm.

In an exemplary embodiment of the invention, the mound may have a width of 18-22 cm, a height of 8-12 cm, and vertical upper ridge sidewalls and a lower ridge side slope at 60-70 °.

The utility model discloses an on the other hand provides a vegetation resumes and soil and water conservation structure suitable for engineering construction disturbance side slope, vegetation resumes and soil and water conservation structure includes as above an arbitrary horizontal ditch catchment soil moisture conservation soil moisture soil preparation structure, form a plurality of interval nursery stocks in the second horizontal ditch as planting the cave and form the grass belt in going to the bottom of first horizontal ditch, second horizontal ditch and third horizontal ditch.

Compared with the prior art, the utility model discloses a beneficial effect includes one or more in following content:

(1) The problems that vegetation is difficult to survive and water and soil loss is serious in the disturbed slope of engineering construction can be solved;

(2) The device is beneficial to playing a good intercepting role and is convenient for construction and walking as well as seedling planting and sowing in the later period;

(3) The method is particularly suitable for vegetation restoration and water and soil conservation of the engineering construction disturbed slope in hilly areas or mountain areas (such as southern hilly areas in China) with frequent rain such as heavy rain or heavy rain.

Drawings

FIG. 1 is a schematic view illustrating an exemplary embodiment of a horizontal trench catchment soil moisture conservation soil preparation structure of the present invention;

fig. 2 is a schematic structural view illustrating another exemplary embodiment of the horizontal trench catchment soil moisture conservation and soil preparation structure of the present invention.

Description of the structure of the drawings:

1-ridge, 2-first horizontal ditch, 3-second horizontal ditch, 4-third horizontal ditch, 5-another part of side slope, 6-one part of side slope and 7-planting hole.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not necessarily limited to the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

Fig. 1 is a schematic structural view showing an exemplary embodiment of the horizontal trench catchment soil moisture conservation and soil preparation structure of the present invention.

In one embodiment, as shown in fig. 1, the horizontal trench catchment and soil conservation soil preparation structure is composed of one or more than two soil preparation units connected with each other. The number of land preparation units may be determined according to the length of the disturbed side slope (e.g., the length from the top of the slope to the land) of the engineering construction.

The land preparation unit has a structural layout of excavating along the contour line of the side slope, and comprises a ridge 1, a first horizontal ditch 2, a second horizontal ditch 3 and a third horizontal ditch 4 which are sequentially arranged from top to bottom along the side slope and can be used as the arrangement positions of planting holes 7. Here, the slope has a slope of less than 40 °. The width of the land preparation unit may be 1.35 to 1.65m, for example, may be 1.50m, however, the width of the land preparation unit is not limited thereto.

The first horizontal groove 2 may have a length which is formed by a vertical first lower side wall, an inclined first upper side slope, a first lower bottom and a first groove upper opening, has a cross section similar to an inverted trapezoid and extends along the contour line of the side slope. Here, the inverse trapezoid-like shape means that an upper end of the first upper slope is higher than an upper end of the first lower sidewall. The inclination degree of the first upper slope is greater than the inclination degree of the side slope and less than 90 °, for example, the inclination degree of the first upper slope is 1.5 to 4 times as great as the inclination degree of the side slope and less than 75 °. As another example, the number of inclinations of the first upward slope may be 60 ° to 70 °. The first upper side slope may be connected to the ridge, for example, by a lower ridge side slope. Even more, the first upper side slope and the ridge side slope can be integrally formed. The first lower sidewall may have a depth of 8 to 12cm, the first lower bottom may have a horizontal width of 12 to 16cm, and the first groove upper opening may have a horizontal width of 18 to 22cm, however, the present invention is not limited thereto.

The second horizontal trench 3 may have a length which is formed by a vertical second lower sidewall, an inclined second upper side slope, a second lower bottom and a second trench upper opening, has a cross section similar to an inverted trapezoid, and extends along the contour line of the side slope. The second horizontal ditch 3 as the arrangement position of the planting hole 7 can be used for planting a plurality of nursery stocks at intervals along the extension direction of the length of the second horizontal ditch, and the nursery stocks in the second horizontal ditches of a plurality of land preparation units from top to bottom (or called from top to bottom) form a Chinese character 'pin' shape layout. Here, the inverse trapezoid-like shape means that the upper end of the second upper slope is higher than the upper end of the second lower sidewall. The degree of inclination of the second upper side slope is greater than the degree of inclination of the side slope and less than 90 °, for example, the degree of inclination of the second upper side slope is 1.5 to 4 times and less than 75 ° of the degree of inclination of the side slope. As another example, the number of inclinations of the second upper slope may be 60 ° to 70 °. The second lower sidewall may have a depth of 8-12 cm, the second lower bottom may have a horizontal width of 12-16 cm, and the second trench upper opening may have a horizontal width of 18-22 cm, however, the present invention is not limited thereto.

The third horizontal groove 4 may have a length which is formed by a vertical third lower side wall, an inclined third upper side slope, a third lower bottom and a third groove upper opening, has a cross section similar to an inverted trapezoid and extends along the contour line of the side slope. Here, the inverse trapezoid-like shape means that the upper end of the third upper slope is higher than the upper end of the third lower sidewall. The inclination degree of the third upper side slope is greater than the inclination degree of the side slope and less than 90 °, for example, the inclination degree of the third upper side slope is 1.5 to 4 times the inclination degree of the side slope and less than 75 °. As another example, the number of inclinations of the third upward slope may be 60 ° to 70 °. The third lower side wall of the third horizontal ditch can be connected with the ridge of the other land preparation unit. For example, the third lower side wall of the third horizontal furrow may directly serve as the upper ridge side wall of the ridge of the other soil preparation unit. The third lower sidewall may have a depth of 8-12 cm, the third lower bottom may have a horizontal width of 12-16 cm, and the third upper groove opening may have a horizontal width of 27-33 cm, however, the present invention is not limited thereto.

The third upper side slope may be connected to the second lower side wall by a portion 6 of the side slope. The second upper side slope is connected to the first lower side wall by another portion 5 of the side slope. The one part 6 and the other part 5 of the side slope may have an oblique width (or slope width) of 27-33 cm.

In addition, the ridge 1 can have a width of 18-22 cm, a height of 8-12 cm, vertical upper ridge side walls and 60-70-degree lower ridge side slopes.

This embodiment sets up the contour line excavation and the slope from the top down of following the side slope through with ridge, first, second, third horizontal ditch and lays in proper order to set up the plant hole in the horizontal ditch of second, can enough solve the vegetation that engineering construction disturbance side slope exists and be difficult to survive and the serious problem of soil erosion, also help playing good effect of damming, and be convenient for construct walking and later stage nursery stock planting and seeding. In addition, the arrangement of the concrete structures and the sizes of the soil ridges, the first horizontal ditches, the second horizontal ditches and the third horizontal ditches can be matched with each other to improve the land conditions such as water content and the like for a long time, the stability of heavy rain or rainstorm scouring resistance of construction disturbance slope water and soil can be improved, support is provided for the vegetation growth survival period, and therefore the survival rate of seedlings and the water and soil conservation rate can be further improved. The utility model is suitable for a vegetation restoration and water and soil conservation of engineering construction disturbance side slope are particularly useful for vegetation restoration and water and soil conservation of the engineering construction disturbance side slope of the frequent hilly area of rainwater such as heavy rain or torrential rain or mountain area (for example, southern hilly area of china). For example, the utility model discloses can be used to the vegetation restoration and the soil and water conservation of the power transmission and transformation engineering construction disturbance side slope in south China.

Example 2

Fig. 2 shows a schematic structural view of another exemplary embodiment of the horizontal trench water-collecting soil moisture conservation soil preparation structure of the present invention.

In another exemplary embodiment, as shown in fig. 2, the horizontal trench catchment soil moisture conservation soil preparation structure is composed of at least two soil preparation units connected to each other.

The horizontal ditch water collecting, soil moisture preserving and soil preparing structure is excavated along the contour lines basically, and ridge building and horizontal ditch soil preparing are carried out every 1.5m wide, so that a soil preparing unit with the width of about 1.5m is formed. And excavating first to third horizontal ditches with the width of 20cm and the depth of 8cm along the contour lines. The soil dug in the ditch can be used for compacting ridges with the ridge top width of 20cm, the ridge height of 10cm and the ridge side slope of 60-70 degrees. The distance between the upper and lower adjacent soil peduncles is equal to 1.5m, and 3 horizontal ditches are arranged between the two soil banks. The distance between the horizontal grooves is 30cm, the width of the upper opening of the groove is 20cm, the width of the lower bottom is 12-15 cm, and the depth is 8-20 cm. The ridges arranged every 1.5m are convenient for construction and walking, seedling planting and sowing in the later period, and play a good role in intercepting flow. The soil preparation unit in the horizontal trench water collection, soil moisture preservation and soil preparation structure of the embodiment can be referred to as a "233232" horizontal trench soil preparation unit for short.

Comparison of effects on water content, seedling survival rate and the like

The interception and water collection is to collect runoff formed by natural precipitation into vegetation pits/ditches so as to prevent surface runoff from going down mountains and generating water and soil loss. After rainstorm, the soil falling and peeling phenomena are generated at the local ridge positions in the embodiments 1 and 2, slight ditch-shaped erosion is generated on the slope surface with the width of 30cm between the horizontal ditches, and meanwhile, the planting holes for planting trees and shrubs are combined with the horizontal ditches, so that the silting in the holes is less.

The non-soil preparation slope surface serving as a comparative example is obvious in scouring, more and longer in gully, and the slope surface is directly dug to plant planting holes of trees and shrubs, so that the silting in the holes is common.

The soil preparation units of the embodiments 1 and 2 intercept water and soil loss on one hand, and store water and preserve soil moisture on the other hand, so that the water content of soil is improved, and the vegetation growth is promoted. Through determination of the average water content of soil with the depth of 0.2m on the ground surface, the water content in the horizontal ditch is improved by more than 37 percent relative to the unfinished land slope surface, and the water content in the planting hole is improved by more than 18 percent relative to the planting hole dug on the unfinished land slope surface serving as a comparative example, which can promote the growth of seeds in the ditch or seedlings in the planting hole. According to the determination, under the condition of planting the same nursery stock, the survival rate of the nursery stock in two years is improved by 36 percent compared with the planting mode of excavating the slope surface without soil preparation by the soil preparation units in the embodiments 1 and 2; through statistics, the utility model discloses a two years nursery stock survival rate reaches more than 95%.

In another embodiment, a vegetation restoration and water and soil conservation structure for a disturbed slope of an engineering construction includes a horizontal trench catchment and soil moisture conservation soil preparation structure as described in any one of the above embodiments, seedlings formed in planting holes in a second horizontal trench of the horizontal trench catchment and soil moisture conservation soil preparation structure, and grass belts formed in the lower bottoms of the first, second and third horizontal trenches.

About how better carry on planting and maintenance of nursery stock and grass zone, in order full play the utility model discloses a horizontal ditch catchment moisture conservation soil preparation structure is applicable to vegetation restoration and soil and water conservation of the engineering construction disturbance side slope in the hilly area or the mountain area that rainwater is multiple such as heavy rain or torrential rain (for example, the southern hilly area of china) the following explains through "233232" horizontal ditch soil preparation unit as an example:

(1) the gentle slope with the gradient of less than 25 degrees is suitable for forestation, the seedlings of the tree species are suitable for 1-3 years, and high-quality strong seedlings are adopted. The fast-growing and easy-to-transplant survival arbor is mainly used, and ecological forest seedlings such as fir, cedar, schima superba, chinese holly, dulcis thunbergii, phoenix dactylifera, privet, photinia, waxberry, camphor wood, nanmu, sassafras, chinaberry, lacquer tree, cedrela sinensis, chinese jacket wood, bamboos and the like, and economic forest seedlings such as citrus, loquat, chinese tallow tree, tung tree, eucommia bark, walnut, chinese chestnut, pear, plum, peach, cherry, persimmon and the like are used.

The afforestation season is mainly winter and spring (ten days 11 to 4 months last), mainly seedling afforestation is carried out, the planting distance is 1.5-3 m, the row spacing is 3m, and the planting is carried out in separate belts. Digging holes in a middle ditch of a horizontal ditch land preparation unit of '233232' according to the plant spacing to plant the seedlings. Planting the seedlings in the hole specifications, wherein the hole length is 0.4-0.6 m, the hole width is 0.4-0.5 m, the hole depth is 0.3-0.4 m, the hole digging specification of the seedlings with the diameter less than 1cm is 30cm multiplied by 30cm, and the seedlings are dug and planted in a shape like a Chinese character 'pin' from the top to the bottom of the slope. And when land preparation is carried out, soil turning and stacking are carried out so as to facilitate soil return.

20-50 g of compound fertilizer is applied to the planted arbor in a hole, and 20-50 g of water-retaining agent is added at the position with poor soil quality. After the nursery stock is placed in the planting hole, the root system is unfolded, and then surface soil is backfilled and excavated (the nursery stock with too long root system and too dense branches and leaves should be properly trimmed to ensure survival), the surface soil is buried to the neck of the nursery stock root, the trunk is supported to be lifted upwards after the surface soil is filled, the tree root is unfolded, the nursery stock is supported to be properly pressed, the root protecting soil is closely connected with the hole soil, and the root system is ensured to be in close contact with the soil. The soil returns untight and untimely to form a suspended space.

After the nursery stock is planted, lawn or grass seeds suitable for southern hilly areas, such as paspalum natatum, ryegrass, bermuda grass and the like, are adopted, mixed with compound fertilizer and planting soil, and drill seeding is carried out by utilizing a horizontal ditch.

(2) And (3) planting and re-greening relatively steep slope with the gradient of more than 25 degrees by adopting 1-2-year-old shrub seedlings, wherein the shrub seedlings comprise ecological forest seedlings such as wild pepper, litsea cubeba, camellia, gardenia, coriaria sinica, winter jasmine, platycarya strobilacea, rhus chinensis, chinese wakame, amorpha fruticosa, honeysuckle, hibiscus, shrub bamboos and the like, and economic forest seedlings such as mulberry, tea trees, camellia oleifera, pepper, raspberries and the like.

The plant spacing is 1-2 m, the row spacing is 1.5m, and seedlings are planted in a ditch in the middle of the 233232 horizontal ditch land preparation unit according to the plant spacing by digging holes. The shrub seedling holes are 20-30 cm multiplied by 20cm, the digging depth is properly widened by utilizing the ditch body, and the shrub seedlings are planted from the top of a slope to the bottom of the slope in a shape like a Chinese character 'pin'. In addition, direct seeding can be carried out in rainy season (from the first ten days of 4 months to the middle of 6 months) to build the shrub forest.

5-10 g of compound fertilizer is applied in holes for planting shrubs, and 5-10 g of water-retaining agent is added at the position with poor soil quality. After the nursery stock is placed in the planting hole, the root system is unfolded, backfilling and excavating surface soil (the nursery stock with overlong root system and dense branches and leaves should be properly trimmed to ensure that the nursery stock can survive), burying the surface soil to the root neck of the nursery stock, righting the nursery stock and then properly pressing, wherein the root-protecting soil is closely connected with the hole soil to ensure that the root system is closely contacted with the soil.

After the nursery stock is planted, lawn or grass seeds suitable for southern hilly areas, such as paspalum natatum, ryegrass, bermuda grass and the like, are adopted, mixed with compound fertilizer and planting soil, and drill seeding is carried out by utilizing a horizontal ditch.

In the aspect of afforestation density, the lower limit of arbor tree species is 100 trees per mu (35 trees for bamboo); the lower limit of the ecological forest constructed by the shrub tree species is 150 plants per mu. The afforestation density reaches the requirements of afforestation technical regulations.

Because the technology adopts tree species and grass species to carry out arbor and grass, shrub and grass or arbor and shrub and grass mixed crossing, the annual coverage of the grass layer is far more than 0.2, and the lower density limit of each tree species is not less than 90% of the specified afforestation density; when a plurality of tree species are mixed, the lower limit of the number of plants of each tree species is determined by multiplying the ratio of each tree species by a predetermined density.

If an economic forest is adopted for vegetation recovery, grafted seedlings, big seedlings and famous and special excellent seedlings are adopted, after afforestation, tending measures such as local reclamation, soil loosening, fertilizer application and the like can be carried out, meanwhile, forest and grass intercropping is required to be adopted, and the afforestation density in the afforestation technical regulations is reached.

(3) And (5) watering. The watering operation is carried out by adopting pickup transportation or combining a water pump with a watering hose. Watering along one side of the planting ditch at the edge of the hole to prevent the nursery stock from falling down, otherwise, righting, backfilling and treading, planting in winter and spring, and watering for 1-2 times.

(4) And (5) performing later maintenance. The survival rate of the nursery stock in the first year is about 85 percent, the replanting should be carried out in winter and spring, then plum rain season, and watering is carried out for 1 to 3 times for maintenance; the seedling afforestation is carried out, the intertillage weeding is 1 time in 1 year, the intertillage depth is preferably 20-30 cm in the dormancy period of the trees in autumn and winter. When the plant diseases and insect pests appear, the pesticide is sprayed for 1 to 2 times.

The embodiments of the present application have been described in conjunction with the accompanying drawings, and it should be understood that any modifications, equivalents, improvements, etc. made within the spirit and principle of the inventive concept of the present application should be understood by those skilled in the art to be included within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a horizontal ditch catchment soil moisture conservation soil moisture soil preparation structure, its characterized in that, horizontal ditch catchment soil moisture conservation soil moisture preparation structure includes the soil preparation unit more than one or two that connect each other, the soil preparation unit includes the ridge that the contour line overall arrangement along the side slope just sets gradually from the top down along the side slope, first horizontal ditch, second horizontal ditch and the third horizontal ditch as planting the cave.

2. The horizontal trench water collection and soil moisture preservation soil preparation structure of claim 1, wherein the width of the soil preparation unit is 1.35-1.65 m.

3. The horizontal trench catchment soil moisture conservation soil moisture retaining soil preparation structure of claim 1 wherein the slope has a slope of less than 40 °.

4. The horizontal trench catchment soil moisture conservation and soil preparation structure of any one of claims 1 to 3, wherein the first, second, and third horizontal trenches each have a cross section similar to an inverted trapezoid and each have a vertical lower sidewall, an inclined upper sidewall, a lower bottom, and a trench upper opening.

5. The horizontal trench water-collecting soil moisture conservation soil preparation structure of claim 4, wherein the slope of the upper side slope is 1.5-4 times and less than 75 ° of the slope.

6. The horizontal trench water-collecting soil moisture conservation soil preparation structure of claim 4, wherein said upper side slope of the third horizontal trench is connected to said lower side wall of the second horizontal trench through a portion of the side slope, said upper side slope of the second horizontal trench is connected to said lower side wall of the first horizontal trench through another portion of the side slope, and the upper side slope of the first horizontal trench is directly connected to said ridge of soil.

7. The horizontal trench catchment soil moisture conservation and soil moisture conservation soil preparation structure of claim 6, wherein the first horizontal trench and the second horizontal trench each have a depth of 8-12 cm, a lower bottom with a horizontal width of 12-16 cm, and an upper trench opening with a horizontal width of 18-22 cm; the third horizontal grooves are all provided with 8-12 cm of depth, 12-16 cm of horizontal width of lower bottom and 27-33 cm of horizontal width of upper opening.

8. The horizontal trench catchment soil moisture conservation soil preparation structure of claim 6 wherein said one portion and said another portion of the side slope each have an inclined width of 27 to 33 cm.

9. The horizontal trench water-collecting soil moisture-preserving land preparation structure as claimed in any one of claims 1 to 3, wherein the said earth ridge has a width of 18 to 22cm, a height of 8 to 12cm, and vertical upper ridge side walls and lower ridge side slopes at 60 to 70 °.

10. A vegetation restoration and water and soil conservation structure suitable for a disturbed slope of engineering construction, comprising the horizontal trench water-collecting soil moisture conservation and soil preparation structure of any one of claims 1 to 9, seedlings formed in the planting holes, and grass belts formed in the first, second and third horizontal trenches.

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