CN113170623B

CN113170623B - Soil improvement test method for gentle wasteland

Info

Publication number: CN113170623B
Application number: CN202110486617.9A
Authority: CN
Inventors: 陈俭; 肖曦彬; 林璇; 梁雄威; 张浩华; 张伯发; 钟原
Original assignee: Shenzhen Tianjian First Construction Engineering Co ltd; Shenzhen Municipal Engineering Corp
Current assignee: Shenzhen Tianjian First Construction Engineering Co ltd; Shenzhen Municipal Engineering Corp
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-09-02
Anticipated expiration: 2041-04-30
Also published as: CN113170623A

Abstract

The invention relates to the technical field of soil improvement, and discloses a soil improvement test method for a gentle wasteland, which comprises the following steps: s1), designing a test field, and dividing the test field into plots and numbers; s2), proportioning the soil conditioner of the land parcel, layering the land parcel into a basal layer and a seeding layer, and carrying out grouping proportioning on the raw materials of the soil conditioner according to the stratum; s3), designing a land soil conditioner, and carrying out a plant suitability test through mixed distribution of land and stratum; s5), curing the plots, namely, covering a rainwater washing prevention structure, a moisturizing curing structure and a straw mat structure on the plots to perform the curing of the plots and the plants. Through soil improvement test and matching soil and plant maintenance structure, effectively improve the nutrition structure of urban soil, maintain the plant, and improve the quality of plant growth.

Description

Soil improvement test method for gentle wasteland

Technical Field

The invention relates to the technical field of soil improvement, in particular to a soil improvement test method for gentle wasteland.

Background

The urbanization process is the mainstream of the current social development, and urban greening work matched with the urbanization development needs to be carried out synchronously. The development of urban landscaping is influenced by urban soil, and the urban soil develops under the special environmental background of the city due to the long-term interference of the urban soil through human activities, is an important component of an urban system and is an essential material condition for urban landscaping.

At present, urban soil faces the problems of poor soil texture, plant soil loss, soil water loss and the like, plants planted in the urban soil are easily influenced by the environmental temperature, and the urban soil becomes a main factor for restricting the urban greening development.

The current quality control of urban soil is mostly based on the improvement of soil PH and solid invasion. The method lacks necessary measures on the aspects of soil nutrition structure, plant soil loss, soil moisture retention and plant growth temperature, and cannot fundamentally solve the problems of unbalanced nutrition structure of urban soil and lower plant quality.

Disclosure of Invention

The invention aims to provide a soil improvement test method for a gentle wasteland, and aims to solve the problems that in the prior art, the urban soil is unbalanced in nutrient structure and the quality of planted plants is low.

The invention relates to a soil improvement test method for gentle wasteland, which comprises the following steps:

s1), designing a test field, wherein the test field is rectangular and is divided into a plurality of plots, each plot is provided with a grid, and the plots are numbered;

s2), proportioning of the land soil conditioner, and paving a base layer and a seeding layer on a plurality of lands; the modifier of the basal layer is prepared from soil and peat soil, and the soil and the peat soil are proportioned in groups; the modifier of the seeding layer is prepared from clay, mushroom fertilizer, compound fertilizer and water-retaining agent, and the clay, the mushroom fertilizer, the compound fertilizer and the water-retaining agent are proportioned in groups;

s3), designing a land soil conditioner, and performing a mixed distribution test according to the serial numbers of a plurality of lands and the raw material components of the conditioner in the substrate layer and the seeding layer;

s4), planting one or more plants on a plurality of land parcels respectively to carry out soil conditioner suitability test according to the mixed distribution test in the step S3);

s5), maintaining the plots, and covering a rain-washing-proof structure, a moisturizing maintenance structure and a straw mat structure above the plots after plants are planted in the plots.

Further, in the step S1), the test field is divided into at least ten plots and numbered according to 1-10, the area of each plot is the average division, and the area of each plot is 3-10m ² 。

Further, in the step S2), a group a-B is provided according to the mixture ratio of the raw materials of the modifying agent in the substrate layer, wherein the weight ratio of the soil and the peat soil in the group B is 1 part of soil and 1 part of peat soil respectively.

Further, in the step S2), a group D-F and a group X are provided according to the ratio of the modifier raw materials in the seeding layer, wherein the weight ratio of the clay, the mushroom fertilizer, the compound fertilizer and the water-retaining agent of the group F is 1 part of clay, 2 parts of mushroom fertilizer, 0.2 part of compound fertilizer and 0.03 part of water-retaining agent respectively.

Further, in the step S3), the parcel of No. 6 was subjected to a mix distribution test in accordance with the ratio of the group B of the base layer and the group F of the seeding layer.

Further, in the step S2), the peat soil of the base layer has an organic matter content of 30 to 60%, and the organic matter at least contains humus; the compound fertilizer of the seeding layer comprises potassium sulfate fertilizer, and the total nutrient is more than or equal to 45 percent, wherein the nutrient content of nitrogen, phosphorus and potassium respectively accounts for 15 percent.

Further, in the step S5), the structure for preventing the rainwater from scouring covers the upper part of the land, and the structure for preventing the rainwater from scouring is formed by connecting a plurality of semicircular frames, each of which has a first opening; the semicircular frame comprises circular frame connecting lines and first circular ring connecting lines, a plurality of circular frame connecting lines are arranged on the circular frame connecting lines, each circular frame connecting line gradually presents a curve section from two end parts along the middle direction, the plurality of circular frame connecting lines are mutually crossed and connected through the middle curve section, and two ends of each circular frame connecting line are connected with the first circular ring connecting lines; the first opening is formed by connecting the first circular ring connecting line in an end-to-end manner.

Furthermore, after the rainwater erosion preventing structure covers the land, the moisturizing maintenance structure is laid above the rainwater erosion preventing structure, the moisturizing maintenance structure is formed by connecting a plurality of cylindrical frames, each cylindrical frame is arranged in the semicircular frame along the direction of the first opening, each cylindrical frame is provided with a second opening which is in the same direction as the first opening, and a water retaining material is filled in each cylindrical frame; the cylindrical frames comprise cylindrical frame connecting lines and second circular ring connecting lines, the cylindrical frame connecting lines are provided with a plurality of cylindrical frame connecting lines, the middle part of each cylindrical frame connecting line is a curve section, two end parts of each cylindrical frame connecting line extend to the middle part to form a straight line section, the cylindrical frame connecting lines are connected in a cross mode through the middle curve sections, and two ends of each cylindrical frame connecting line are connected with the second circular ring connecting lines; the second opening is formed by connecting the connecting lines of the second circular rings end to end;

the semicircular frames are connected with one another through first circular ring connecting lines, and the first openings of the semicircular frames are positioned on the same horizontal plane to form a flat laying structure; the plurality of cylindrical frames are arranged at equal intervals and connected with one another through cylindrical frame connecting lines, the second opening of each cylindrical frame is positioned on the same horizontal plane, and the second openings are arranged corresponding to the first openings to form a tiled structure; the semi-circle frame with the cylinder frame forms the tiling structure back all around the edge and encloses and be equipped with the frame line, and a plurality of the cylinder frame is correspondingly laid a plurality of semi-circle frame top.

Furthermore, rain-proof water erodees the structure with the maintenance structure of moisturizing is laid the back, and its top is laid the straw curtain structure, the straw curtain structure has the underframe, be equipped with rotatable clamping mechanism on the underframe, the underframe upper berth is equipped with the straw, the straw passes through clamping mechanism presss from both sides tightly fixedly.

Furthermore, the clamping mechanism mainly comprises a plurality of first connecting plates and a plurality of second connecting plates, the second connecting plates are transversely arranged above the first connecting plates, one end of each first connecting plate is movably connected to the bottom frame through a moving part, the first connecting plates turn up and down by taking the moving part as a fulcrum, teeth for meshing and fixing the straws are arranged on one side, facing the bottom frame, of each first connecting plate, and a hand-pulling piece is arranged on the second connecting plate located on the side of the bottom frame; the bottom frame is laid above the cylindrical frame.

Compared with the prior art, the soil improvement test method for the gentle wasteland provided by the invention divides the design of the test field into a plurality of plots, and performs soil conditioner proportioning and design on the plots, so that the nutritional structure of urban soil is improved, and soil suitable for plant growth is provided; and the rain-proof scouring structure, the moisturizing maintenance structure and the straw mat structure for maintaining soil and plants are matched for use, so that the plants can be maintained better, and the growth quality of the plants is improved.

Drawings

Fig. 1 is a front view of a structure for preventing rain from washing out according to an embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a schematic perspective view of a semicircular frame according to an embodiment of the present invention;

FIG. 5 is a front view of a moisturizing and curing structure provided by an embodiment of the present invention;

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is a bottom view of FIG. 5;

FIG. 8 is a schematic perspective view of a cylindrical frame according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of the semi-circular frame and the cylindrical frame assembled and connected with each other according to the embodiment of the present invention;

FIG. 10 is a front view of a grass curtain construction provided by an embodiment of the present invention;

FIG. 11 is a schematic diagram of a side view of a mat structure and a turning state according to an embodiment of the present invention;

fig. 12 is a schematic view of the rain erosion prevention structure, the moisturizing and maintenance structure and the straw mat structure which are assembled and connected with each other and laid on the land.

In the figure: 100-rain-proof washing structure, 101-semicircular frame, 102-first opening, 103-circular frame connecting line, 104-first circular ring connecting line, 200-moisturizing maintenance structure, 201-circular frame, 202-second opening, 203-circular frame connecting line, 204-second circular ring connecting line, 300-frame connecting line, 400-straw curtain structure, 401-bottom frame, 402-clamping mechanism, 403-first connecting plate, 404-second connecting plate, 405-moving part, 406-tooth, 407-hand wrench part, 408-supporting part, 409-convex cross bar, 410-extending plate, 500-moisturizing material, 600-straw, 700-seeding layer and 800-basal layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operate, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to specific situations.

Referring to fig. 1-12, a preferred embodiment of the present invention is shown.

The soil improvement test method for the gentle wasteland comprises the following steps:

s1), designing a test field, wherein the test field is designed to be rectangular and divided into a plurality of plots, and each plot is provided with grids for numbering the plots;

s2), proportioning of the land soil conditioner, and paving a base layer 800 and a seeding layer 700 on a plurality of lands; the modifier raw material of the basal layer 800 is prepared by soil and peat soil, and the soil and the peat soil are proportioned in groups; the modifier of the seeding layer 700 is prepared by clay, mushroom fertilizer, compound fertilizer and water-retaining agent, and the clay, mushroom fertilizer, compound fertilizer and water-retaining agent are proportioned in groups;

s3), designing a land soil conditioner, and performing a mixing distribution test according to the serial numbers of a plurality of lands and the raw material components of the conditioner in the substrate layer 800 and the seeding layer 700;

s4), according to the mixed distribution test in the step S3), planting one or more plants on a plurality of plots respectively to carry out a soil conditioner suitability test;

s5), maintaining the plots, and covering a rain washing prevention structure 100, a moisturizing maintenance structure 200 and a straw mat structure 400 above the plots after plants are planted in the plots.

In the step S1), the test field is divided into at least ten plots and numbered according to 1-10, the area of each plot is the average division, and the area of each plot is 3-10m ² . Preferably, the specific design for each plot is 15m long, 3m wide and 4.5m area ² 。

In the step S2), a group a-B is provided according to the mixture ratio of the raw materials of the modifier in the substrate layer 800, wherein the weight ratio of the soil and the peat soil in the group B is 1 part of soil and 1 part of peat soil respectively.

In the step S2), a D-F group and an X group are provided according to the mixture ratio of the modifier raw materials in the seeding layer 700, wherein the weight ratio of the clay, the mushroom fertilizer, the compound fertilizer and the water-retaining agent of the F group is 1 part of the clay, 2 parts of the mushroom fertilizer, 0.2 part of the compound fertilizer and 0.03 part of the water-retaining agent respectively.

Preferably, the base layer 800 is designed to have a depth of 8-12cm, preferably 10cm, during the test; the seeding layer 700 is designed to have a depth of 01-2cm, preferably 1.5 cm.

Preferably, the other groups of modifier raw materials in the base layer 800 are as follows:

the weight ratio of the group A is 2 parts of soil and 1 part of peat soil;

the weight ratio of the group D is 1 part of clay, 1 part of mushroom fertilizer, 0.2 part of compound fertilizer and 0.03 part of water-retaining agent;

the group E comprises 1 part of clay, 1.5 parts of mushroom fertilizer, 0.2 part of compound fertilizer and 0.03 part of water-retaining agent according to the weight ratio;

the component F comprises 1 part of clay, 2 parts of mushroom fertilizer, 0.2 part of compound fertilizer and 0.03 part of water-retaining agent;

the weight ratio of the group X is 1 part of clay, 1 part of mushroom fertilizer, 0.15 part of compound fertilizer and 0.03 part of water-retaining agent.

In the step S2), the peat soil of the base layer 800 has an organic matter content of 30 to 60% and the organic matter contains at least humic substances; the compound fertilizer of the seeding layer 700 comprises potassium sulfate fertilizer, and the total nutrient is more than or equal to 45%, wherein the nutrient content of nitrogen, phosphorus and potassium respectively accounts for 15%. The water-retaining agent comprises a potassium salt drought-resistant water-retaining agent, and belongs to the potassium salt environment-friendly type.

In step S3), the plot of No. 6 was subjected to a mix distribution test in accordance with the ratio of the group B of the base layer 800 and the group F of the seed layer 700.

Preferably, the plots with other numbers are subjected to the mix allocation test as follows:

the base layer 800 of the plot numbered 1 is distributed into a group A, and the seeding layer 700 is distributed into a group D;

the base layer 800 of the plot numbered 2 is distributed as group a, and the seeding layer 700 is distributed as group E;

the base layer 800 of the plot numbered 3 is distributed into a group A, and the seeding layer 700 is distributed into a group F;

the base layer 800 of the plot numbered 4 is distributed into a group B, and the seeding layer 700 is distributed into a group D;

the base layer 800 of the plot with the number 5 is distributed into a group B, and the seeding layer 700 is distributed into a group E;

the seeding layers 700 of plots numbered 7-10 are allocated into X groups.

In the step S4), the plants planted on the plurality of plots include alfalfa, coreopsis and evergreen.

The following tests were carried out on the basis of the soil conditioner of each plot, in combination with the selected plants:

land parcel	Base layer	800	Seeding layer 700	Grass seeds
					1	A	D	Herba Medicaginis, flos Boussingae Japonicae, and herba Polygoni Barbati
2	A	E	Herba Medicaginis, flos Boussingae Japonicae, and herba Polygoni Barbati
				3	A	F	Herba Medicaginis, flos Boussingae Japonicae, and herba Polygoni Barbati
4	B	D	Herba Medicaginis, flos Begoniae Laciniatae, and herba Polygoni Barbati
				5	B	E	Herba Medicaginis, flos Boussingae Japonicae, and herba Polygoni Barbati
6	B	F	Herba Medicaginis, flos Boussingae Japonicae, and herba Polygoni Barbati
				7	—	X	Alfalfa (A type)
8	—	X	All-season green tea
				9	—	X	Alfalfa (B type)
10	—	X	Coreopsis tinctoria (Bedsia Craib.)

(Table 1)

According to the planting test (table 1), and the use of the rain erosion prevention structure 100, the moisturizing maintenance structure 200 and the straw mat structure 400, the final evaluation standard is that no plant withers and yellows exist on the land, and the plant coverage rate on the land reaches over 90%. Through the soil improvement design of each land, the nutrient structure and the soil texture of the urban soil are effectively improved, so that plants with higher quality are planted in the urban soil, and the development of urban greening is promoted.

In the step S5), the structure for preventing the rainwater from scouring covers the upper portion of the land, the structure for preventing the rainwater from scouring 100 is formed by connecting a plurality of semicircular frames 101, and each semicircular frame 101 has a first opening 102.

The moisturizing maintenance structure 200 is arranged above the rain-proof scouring structure 100, the moisturizing maintenance structure 200 is formed by mutually connecting a plurality of cylindrical frames 201, each cylindrical frame 201 is arranged in the semicircular frame 101 along the direction of the first opening 102, each cylindrical frame 201 is provided with a second opening 202 which is in the same direction as the first opening 102, and the moisturizing material 500 is filled in each cylindrical frame 201.

A straw curtain structure 400 is arranged above the moisturizing and curing structure 200, the straw curtain structure 400 is provided with a bottom frame 401, a rotatable clamping mechanism 402 is arranged on the bottom frame 401, straws 600 are paved on the bottom frame 401, and the straws 600 are clamped and fixed through the clamping mechanism 402.

The rain-proof washing structure 100 and the moisturizing maintenance structure 200 are preferably made of aluminum alloy, and certainly, other anti-rusting metal materials can be adopted; preferably, the outline structure of the semicircular frame 101 is designed to be semicircular, and can be designed to be square under the same technical effect; the semicircular frames 101 are connected in a flat manner, the semicircular frames 101 are connected closely to form a matrix structure, the matrix structure can be rectangular or circular, the upper parts of the semicircular frames 101 are provided with first openings 102, the lower parts of the semicircular frames 101 extend downwards to form semicircular accommodating parts, and the accommodating parts at the lower parts of the semicircular frames 101 can be correspondingly designed according to the shapes of the first openings 102 at the upper parts; after the plurality of semicircular frames 101 form a matrix structure, the accommodating parts at the lower part of each semicircular frame 101 are hollowed out, so that the growth of plant seeds cannot be influenced when the rain-proof washing structure 100 is laid on a land, and meanwhile, the plant soil can be prevented from losing;

correspondingly, the shape structures of the plurality of cylindrical frames 201 are designed to be cylindrical, and can be designed to be square structures under the condition of realizing the same technical effect; according to the structure of the semicircular frame 101, a plurality of cylindrical frames 201 are also connected next to each other to form a matrix structure, which may be rectangular or circular, the upper portion of the cylindrical frame 201 is provided with a second opening 202, and the lower portion of the cylindrical frame 201 extends downward to form a cylindrical accommodating portion, although the accommodating portion of the lower portion of the cylindrical frame 201 may be designed correspondingly according to the shape of the second opening 202 of the upper portion.

In practical application, the water retention material 500 is filled in the accommodating part at the lower part of the cylindrical frame 201 through the second opening 202, the water retention material 500 comprises super absorbent fibers and synthetic fibers, the super absorbent fibers and the synthetic fibers are processed into non-woven strips, and a strong moisture retention effect is achieved, after the water retention material 500 is filled in each cylindrical frame 201 forming the matrix structure, the diameter of each cylindrical frame 201 is smaller than that of the semicircular frame 101, so that the accommodating part at the lower part of each cylindrical frame 201 can be assembled in the accommodating part of the semicircular frame 101, and the assembly between the moisture retention maintenance structure 200 and the rain-proof washing structure 100 is completed; through the improvement of the moisturizing and maintaining structure 200, the water supplement in the plant growth process is realized, and the water loss is prevented;

after the rain-proof scouring structure 100 and the moisturizing maintenance structure 200 are assembled, the straw curtain structure 400 is laid above the moisturizing maintenance structure 200, the bottom frame 401 of the straw curtain structure 400 is used for laying the straws 600, and the clamping mechanism 402 is arranged for clamping and fixing the laid straws 600, so that the straws 600 are prevented from being blown away or washed away by wind and rain in daily use; the clamping mechanism 402 and the bottom frame 401 are movably connected, so that the subsequent straw 600 can be conveniently replaced and used; by additionally arranging the straw mat structure 400 above the moisturizing and curing structure 200, a suitable growth temperature can be effectively provided for plants in the growth process, so that the microecology improvement of urban soil is realized, and the plant quality is improved.

Referring to fig. 1 to 4, the semicircular frame 101 includes a plurality of circular frame connecting lines 103 and a first circular ring connecting line 104, the circular frame connecting lines 103 are provided, each circular frame connecting line 103 gradually presents a curve section from two end portions along a middle direction, the plurality of circular frame connecting lines 103 are cross-connected with each other through the middle curve section, and two end portions of each circular frame connecting line 103 are connected with the first circular ring connecting line 104; the first opening 102 is formed by first circular connecting lines 104 connected end to end.

The round frame connecting lines 103 are mutually cross-connected through a middle curve section to form an accommodating part at the lower part of the semi-round frame 101, the semicircular accommodating part at the lower part of the semi-round frame 101 is formed according to the curve shape design of the middle curve section of the round frame connecting lines 103, and a gap is reserved between each cross-connected round frame connecting line 103, so that plant seeds grow through the gap between the round frame connecting lines 103; the circle frame connecting line 103 is connected with the first circular ring connecting line 104 on the upper portion to form a basic structure of the semicircle frame 101, when the semi-circle frame is used, the containing portion on the lower portion of the semicircle frame 101 is directly paved on a land parcel downwards, the first opening 102 of the semicircle frame 101 faces upwards, the first opening 102 of the semicircle frame 101 is directly formed by connecting the first circular ring connecting line 104 end to end, and therefore the semi-circle frame 101 structure which is simple in structure and convenient and fast to use and has the function of preventing rainwater from washing soil is obtained.

Referring to fig. 5-8, the cylindrical frame 201 includes a plurality of cylindrical frame connecting lines 203 and a second circular connecting line 204, the cylindrical frame connecting lines 203 are provided, a middle portion of each cylindrical frame connecting line 203 is a curved line segment, two end portions of each cylindrical frame connecting line 203 extend to the middle portion to form a straight line segment, the plurality of cylindrical frame connecting lines 203 are connected in a cross manner through the middle curved line segment, and two ends of each cylindrical frame connecting line 203 are connected with the second circular connecting line 204; the second opening 202 is formed by connecting the second circular connecting line 204 end to end.

The column frame connecting lines 203 are mutually cross-connected through a middle curve section to form an accommodating part at the lower part of the column frame 201, the cylindrical accommodating part at the lower part of the column frame 201 is formed according to the curve shape design of the middle curve section of the column frame connecting lines 203, a gap is reserved between each cross-connected column frame connecting line 203, the gap reserved by the column frame connecting lines 203 needs to correspond to the gap reserved between the column frame connecting lines 103, the growth of plants is avoided being influenced, and therefore plant seeds grow through the gap between the column frame connecting lines 103; the cylindrical frame connecting line 203 is connected with the second circular connecting line 204 at the upper part to form a basic structure of the cylindrical frame 201, when in use, the accommodating part at the lower part of each cylindrical frame 201 faces downwards to correspond to the first opening 102 of the cylindrical frame 201 for assembly, so that the second opening 202 of the cylindrical frame 201 and the first opening 102 of the semicircular frame 101 face the same direction, the second opening 202 of the cylindrical frame 201 is directly formed by connecting the head and the tail of the second circular connecting line 204, and the water retention material 500 is directly filled into the accommodating part of each cylindrical frame 201 through the second opening 202, so that the cylindrical frame 201 structure which is simple in structure and convenient to use and has the function of keeping the plant soil moisture is obtained.

Referring to fig. 3, 7 and 9, the plurality of semicircular frames 101 are connected to each other by a first circular connecting line 104, and the first openings 102 of the semicircular frames 101 are located on the same horizontal plane to form a flat structure; the plurality of cylindrical frames 201 are arranged at equal intervals and are connected with each other through cylindrical frame connecting lines 203, the second opening 202 of each cylindrical frame 201 is positioned on the same horizontal plane, and the second openings 202 are arranged corresponding to the first openings 102 to form a flat laying structure; after the semi-circular frames 101 and the cylindrical frames 201 form a tiled structure, the edges of the periphery of the tiled structure are all surrounded by frame connecting lines 300, and the plurality of cylindrical frames 201 are correspondingly paved above the plurality of semi-circular frames 101.

When the first opening 102 and the second opening 202 are correspondingly arranged, the center position of the second opening 202 needs to be the same as the center position of the first opening 102; specifically, since the cylindrical frame 201 is fitted in the semicircular frame 101, the interval between each second opening 202 is larger than the interval between each first opening 102, so that each second opening 202 can be accurately fitted in the exact center position of the first opening 102; since each semicircular frame 101 is connected to each other by the first circular connecting line 104, each cylindrical frame 201 is connected to each other by the cylindrical frame connecting line 203.

Therefore, when the plurality of cylindrical frames 201 are laid on the plurality of cylindrical frames 201, the cylindrical frame connecting line 203 between each cylindrical frame 201 is erected above the semicircular frame 101; the limit is all received through frame line 300 in the outside of semicircle frame 101 and cylinder frame 201, and in practical application, the area that cylinder frame 201 added after establishing frame line 300 equals or is less than semicircle frame 101 and adds the area after establishing frame line 300 to this makes cylinder frame 201 lay in the top of semicircle frame 101 completely, and it is more convenient to realize assembling between semicircle frame 101 and the cylinder frame 201, and overall structure is more pleasing to the eye effect.

Referring to fig. 10 to 11, the clamping mechanism 402 is mainly composed of a plurality of first connecting plates 403 and a plurality of second connecting plates 404, the second connecting plates 404 are transversely arranged above the first connecting plates 403, one end of the first connecting plates 403 is movably connected to the bottom frame 401 through a movable member 405, the first connecting plates 403 are turned over up and down with the movable member 405 as a pivot, one side of the first connecting plates 403 facing the bottom frame 401 is provided with teeth 406 for engaging and fixing the straws 600, and the second connecting plates 404 located at the side of the bottom frame 401 are provided with hand wrenches; the bottom frame 401 is laid over the cylindrical frame 201.

The plurality of first connecting plates 403 and the plurality of second connecting plates 404 are fixedly connected with each other, the fixed connection mode comprises mutually perpendicular fixation or fixed by forming a certain oblique angle, the plurality of first connecting plates 403 and the plurality of second connecting plates 404 are arranged in parallel with each other, and the plurality of second connecting plates 404 are fixed on the plurality of second connecting plates 404; one end of the first connecting plate 403 is connected to one side of the bottom frame 401 through a movable element 405, the first connecting plate 403 is connected through the movable element 405, so that the first connecting plate 403 can realize an up-down turning effect, the movable element 405 specifically comprises a rotating shaft, an industrial hinge, a bearing and the like, the first connecting plate 403 can be turned up and down with the movable element 405 as a pivot, and the turning angle is 0-90 °.

The teeth 406 arranged on one side of the first connecting plate 403 facing the bottom frame 401 are arranged at intervals along the length direction of the first connecting plate 403, and a plurality of teeth 406 arranged at intervals are arranged, so that the straw 600 paved on the bottom frame 401 can be firmly engaged when the first connecting plate 403 is covered; because first connecting plate 403 is equipped with tooth 406 towards underframe 401 one side, consequently keep somewhere the interval region of certain distance between first connecting plate 403 and the underframe 401, the width of this interval region is greater than the height of tooth 406 that sets up, lay a plurality of straws 600 with in the interval region that sets up simultaneously to it is fixed to make a plurality of straws 600 can be pressed from both sides the compact structure, also conveniently lays straw 600 and changes straw 600.

By arranging the wrench member 407 on the second connecting plate 404 close to the side of the bottom frame 401, when in use, a user can turn the whole clamping mechanism 402 by directly using a hand to pull the wrench member 407, specifically, one end of the wrench member 407 is fixed on the outer edge of the second connecting plate 404, and the other end of the wrench member 407 extends out of the edges of the whole bottom frame 401 and the clamping mechanism 402, or the other end of the wrench member 407 is designed to be flush with the edge sides of the bottom frame 401 and the clamping mechanism 402, the wrench member 407 can be a plate or a plate with an inner concave portion conforming to the shape of a human hand, so that the user can conveniently use the wrench member by using a hand; in order to prevent the clamping mechanism 402 from colliding against the base frame 401 during the turning process.

Therefore, the bottom frame 401 is provided with the supporting member 408 at a position corresponding to the wrench member 407, the supporting member 408 can support the turned clamping mechanism 402, the supporting member 408 can be set to be square or column, the top of the supporting member 408 is provided with an anti-collision layer for counteracting the collision force of the clamping mechanism 402, the anti-collision layer can be made of cotton, cloth or colloid, and the wrench member 407 directly abuts against the anti-collision layer when the clamping mechanism 402 is turned over and covered.

The bottom frame 401 is laid above the cylindrical frame 201, so that the straw curtain structure 400 and the moisturizing and maintaining structure 200 are assembled and connected, and the plant growth and heat preservation effects are achieved; a raised transverse strip 409 is arranged on one side of the bottom frame 401 close to the movable piece 405, the raised transverse strip 409 is arranged along the length direction of the edge of the bottom frame 401, an extension plate 410 for assembling the movable piece 405 is arranged on one side of the raised transverse strip 409, which is directed to the middle of the bottom frame 401, namely the inner side of the raised transverse strip 409, the extension plate 410 is also arranged along the length direction of the raised transverse strip 409, and the extension plate 410 extends towards the middle of the bottom frame 401; the moving part 405 is provided with a plurality of along the length direction that extends to, and each moving part 405 is arranged corresponding to the position of first connecting plate 403 for each moving part 405 can carry out swing joint to each first connecting plate 403 in a one-to-one correspondence, through the swing joint of first connecting plate 403 and underframe 401, has realized being convenient for press from both sides the purpose of tightly fixing straw 600 and changing straw 600.

When the raised cross bar 409 is arranged on the bottom frame 401, the top of the raised cross bar 409 is required to be higher than or equal to the top of the movable element 405, and the movable element 405 is positioned above the bottom frame 401, so that the raised cross bar 409 can be movably connected with the clamping mechanism 402 above the bottom frame 401, and therefore the height of the top of the raised cross bar 409 can reach the height of the top of the movable element 405 or be higher than the top of the movable element 405; the clamping mechanism 402 is laid above the whole bottom frame 401, so that one side of the clamping mechanism 402 is movably connected with the side of the movable element 405 away from the protruding cross bar 409, and it is further preferable that the connection between the movable element 405 and the first connecting plate 403 includes an integral connection or a detachable connection, and of course, the specific connection mode can be designed correspondingly according to the adopted movable element 405.

Referring to fig. 12, a seeding layer 700 and a substrate layer 800 are arranged on a plot, wherein the seeding layer 700 above the substrate layer 800 is used for planting plants, and the rain-proof scouring structure 100 is laid on the seeding layer 700 to prevent the scouring of the plant soil by rain water in rainy days; at rain-proof water washing structure 100 top through laying the maintenance structure 200 of moisturizing, the maintenance structure 200 intussuseption of moisturizing is filled with the material 500 of moisturizing, can keep the plant at the required moisture of growth in-process, waits that rain-proof water washing structure 100 and the maintenance structure 200 of moisturizing lay the back that finishes, lays straw curtain structure 400 above it, and the straw curtain structure 400 middle berth is equipped with a plurality of straws 600, keeps the required suitable temperature of vegetation through laying straw curtain structure 400. Thus, the microecology of the urban soil is improved, and the plant quality is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The soil improvement test method for the gentle wasteland is characterized by comprising the following steps of:

s1), designing a test field, wherein the test field is rectangular and is divided into a plurality of plots, each plot is provided with grids, and the plots are numbered;

s2), proportioning the soil conditioners for the plots, and paving a base layer and a seeding layer on a plurality of plots; the modifier of the basal layer is prepared from soil and peat soil, and the soil and peat soil are proportioned in groups; the modifier of the seeding layer is prepared from clay, mushroom fertilizer, compound fertilizer and water-retaining agent, and the clay, the mushroom fertilizer, the compound fertilizer and the water-retaining agent are proportioned in groups;

s3), designing a land soil conditioner, and carrying out a mixing distribution test according to the serial numbers of a plurality of lands and the raw material components of the conditioner in the substrate layer and the seeding layer;

s4), planting one or more plants on a plurality of plots respectively according to the mixed distribution test in the step S3) to perform a soil conditioner suitability test;

s5), maintaining the plots, and covering a rain washing prevention structure, a moisturizing maintenance structure and a straw mat structure above the plots after plants are planted in the plots;

in the step S5), the rainwater washing prevention structure covers the land, and is formed by connecting a plurality of semicircular frames, each semicircular frame having a first opening; the semicircular frame comprises a circular frame connecting line and a first circular ring connecting line, the circular frame connecting line is provided with a plurality of circular frame connecting lines, each circular frame connecting line gradually presents a curve section from two end parts along the middle direction, the circular frame connecting lines are mutually crossed and connected through the middle curve section, and two ends of each circular frame connecting line are connected with the first circular ring connecting line; the first opening is formed by connecting the first circular ring connecting line in an end-to-end manner.

2. The soil improvement test method of claim 1, wherein in the step S1), the test field is divided into at least ten plots and numbered in the range of 1 to 10, the area of each plot is an average division, and the area of each plot is in the range of 3 to 10m ² 。

3. The soil improvement test method of claim 2, wherein in step S2), a group a-B is provided according to the mixture ratio of the raw materials of the improver in the substrate layer, wherein the mixture ratio by weight of the soil and the peat soil in the group B is 1 part of soil and 1 part of peat soil respectively.

4. The soil improvement test method of claim 3, wherein in step S2), D-F group and X group are provided according to the mixture ratio of the modifier raw materials in the seeding layer, wherein the weight ratio of the clay, mushroom fertilizer, compound fertilizer and water-retaining agent in the F group is 1 part of clay, 2 parts of mushroom fertilizer, 0.2 part of compound fertilizer and 0.03 part of water-retaining agent respectively.

5. The soil improvement test method according to claim 3, wherein in step S3), the plot of No. 6 is subjected to a mix distribution test in accordance with the ratio of the group B of the base layer to the group F of the seeding layer.

6. The soil improvement test method of claim 4, wherein in step S2), the peat soil of the base layer has an organic matter content of 30 to 60%, the organic matter containing at least humic substances; the compound fertilizer of the seeding layer comprises potassium sulfate fertilizer, and the total nutrient is more than or equal to 45 percent, wherein the nutrient content of nitrogen, phosphorus and potassium respectively accounts for 15 percent.

7. The soil improvement test method according to claim 1, wherein after the rain erosion preventing structure is covered on the land, the moisturizing and maintaining structure is laid on the rain erosion preventing structure, the moisturizing and maintaining structure is formed by connecting a plurality of cylindrical frames, each cylindrical frame is arranged in the semicircular frame along the direction of the first opening, each cylindrical frame is provided with a second opening which is in the same direction as the first opening, and a moisturizing material is filled in each cylindrical frame; the cylindrical frames comprise cylindrical frame connecting lines and second circular ring connecting lines, the cylindrical frame connecting lines are provided with a plurality of cylindrical frame connecting lines, the middle part of each cylindrical frame connecting line is a curve section, two end parts of each cylindrical frame connecting line extend to the middle part to form a straight line section, the cylindrical frame connecting lines are connected in a cross mode through the middle curve sections, and two ends of each cylindrical frame connecting line are connected with the second circular ring connecting lines; the second opening is formed by connecting the connecting lines of the second circular rings end to end;

the semicircular frames are connected with one another through first circular ring connecting lines, and the first openings of the semicircular frames are positioned on the same horizontal plane to form a flat laying structure; the plurality of cylindrical frames are arranged at equal intervals and are connected with each other through cylindrical frame connecting lines, the second opening of each cylindrical frame is positioned on the same horizontal plane, and the second openings are arranged corresponding to the first openings to form a tiled structure; the semi-circle frame with the cylinder frame forms the tiling structure back all around the edge and encloses and be equipped with the frame line, and a plurality of the cylinder frame is correspondingly laid a plurality of semi-circle frame top.

8. The soil improvement test method according to claim 7, wherein after the rain erosion prevention structure and the moisture maintenance structure are laid, the straw mat structure is laid above the rain erosion prevention structure and the moisture maintenance structure, the straw mat structure has a bottom frame, a rotatable clamping mechanism is arranged on the bottom frame, and straws are laid on the bottom frame and clamped and fixed by the clamping mechanism.

9. The soil improvement test method according to claim 8, wherein the clamping mechanism is mainly composed of a plurality of first connecting plates and a plurality of second connecting plates, the second connecting plates are transversely arranged above the first connecting plates, one end of the first connecting plates is movably connected to the bottom frame through a movable member, the first connecting plates are turned up and down by taking the movable member as a pivot, one side of the first connecting plates, which faces the bottom frame, is provided with teeth for engaging and fixing the straws, and the second connecting plates, which are positioned at the side of the bottom frame, are provided with hand wrenching members; the bottom frame is laid above the cylindrical frame.