CN114041381A

CN114041381A - A kind of soil and water conservation coconut fiber plant blanket

Info

Publication number: CN114041381A
Application number: CN202111462420.8A
Authority: CN
Inventors: 潘峰; 牛德奎; 郭晓敏; 刘玮; 张北红
Original assignee: Jiangxi Agricultural University
Current assignee: Jiangxi Agricultural University
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-02-15
Anticipated expiration: 2041-12-02
Also published as: CN114041381B

Abstract

The invention provides a soil and water conservation coconut fiber planting blanket, which comprises a stable layer, a first fiber layer, a planting layer and a second fiber layer sequentially arranged from bottom to top. The stable layer is provided with a plurality of supports, and two adjacent two A water storage channel is formed between the support bodies; each support body has a channel structure with an open top, and the side walls of each channel structure are provided with micro holes, which are communicated with the corresponding water storage channels through the micro holes One end of each support body is fixedly provided with a conical body with both ends open, and one end of each conical body extends to the upper side of the planting layer. The stabilizing layer plays a role in stabilizing and supporting the overall structure, and can also play a role in storing water and moisturizing. It has the advantages of strong corrosion resistance and strong erosion resistance.

Description

Water and soil conservation coconut fiber vegetation blanket

Technical Field

The invention relates to the technical field of water and soil conservation, in particular to a water and soil conservation coconut fiber vegetation blanket.

Background

In the process of production and construction, a large number of exposed slopes can be generated, so that the original landform is destroyed, water and soil loss is serious along with erosion caused by water, and even geological disasters such as landslide and the like occur. Therefore, there is a need for treatment and protection of exposed earth surfaces to better reduce soil erosion.

At present, direct seeding of grass seeds or slow ecological environment restoration by means of a geogrid assisted grass planting technology are generally adopted for the restoration method of the vegetation on the bare ground. However, the method has a long recovery period and a low plant germination rate, still has the phenomenon of water and soil loss along with the erosion of weather such as wind, snow and the like, and has short protection life, time and labor waste.

In view of the above problems, a plant fiber blanket has been developed in recent years, which can maintain and promote the rapid recovery of vegetation on the exposed surface by laying the plant fiber blanket, and has the advantages of rapid construction, short period, low maintenance cost, water retention and soil fixation. However, the existing plant fiber blanket is composed of a lower sizing net, a plant fiber layer, planting soil, plant seeds and an upper sizing net from bottom to top. The upper and lower shaping nets mainly play a shaping role and do not have a water supply role, and the low emergence rate and the slow growth effect of plants are easily caused due to the lack of moisture in the growth process of the plants.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide a water and soil conservation coconut fiber planting blanket.

In order to achieve the above object, the technical solution of the present invention is as follows.

A water and soil conservation coconut fiber planting blanket comprises a stabilizing layer, a first fiber layer, a planting layer and a second fiber layer which are sequentially arranged from bottom to top, wherein a plurality of supporting bodies are arranged on the stabilizing layer, and a water storage through groove is formed between every two adjacent supporting bodies; each support body is provided with a groove body structure with an opening at the top, and the side wall of each groove body structure is provided with a micro hole and is communicated with the corresponding water storage through groove through the micro hole; every the one end of supporter all is fixed and is provided with both ends open-ended conical body, every the one end of conical body all extends to the upside on planting the layer.

Further, the top end of each support body is embedded in the second fiber layer.

Further, the first fiber layer is obtained by immersing a coconut fiber blanket in molten polylactic acid and then performing hot press molding.

Furthermore, a plurality of grooves are formed in the first fiber layer, and each groove corresponds to the corresponding water storage through groove one to one.

Further, the planting layer is composed of seeds and a matrix, and the matrix is composed of, by weight, 20-30 parts of coconut chaff, 5-20 parts of oyster shell powder, 30-60 parts of sludge and 2-4 parts of NPK compound fertilizer.

Further, the second fiber layer is formed by combining a coconut fiber blanket and a polylactic acid film, and a plurality of air holes are uniformly distributed on the polylactic acid film.

Furthermore, the size of each air hole is 2-10 cm.

Further, the porosity of the first fibrous layer is smaller than the porosity of the second fibrous layer.

Furthermore, solid slow-release fertilizer particles are filled in each groove body structure.

Further, the bottom on stabilizer layer has a plurality of toper nails, every the week side of toper nail all is equipped with two at least connecting plates, every the connecting plate all articulates rather than the toper nail that corresponds, every the biggest opening angle between connecting plate and the toper nail that corresponds is 30 ~ 60.

The invention has the beneficial effects that:

1. the water and soil conservation coconut fiber planting blanket mainly plays a role in stabilizing and supporting the whole structure through the stabilizing layer and also plays a role in storing water and preserving moisture, water is stored in the water storage through groove to provide moisture for plant growth, the root system of a plant penetrates through the planting layer and is rooted on the first fiber layer, and part of the plant can also extend to the water storage through groove to directly absorb the required moisture. Solid slow-release fertilizer particles are filled in each groove body structure. The water in the water storage through groove can pass through the micro-holes and enter the groove body structure, and then the solid slow-release fertilizer particles in the groove body structure are moistened, so that the fertilizer particles in the groove body structure are gradually humidified and then enter the water storage through groove through the micro-holes. Because the root system of some plants can enter into the water storage through groove, the fertilizer elements in water and moisture can be absorbed, and the required nutrients are provided for the growth of the plants.

2. In the water and soil conservation coconut fiber planting blanket, the first fiber layer and the second fiber layer are mainly composed of 100% of coconut fiber blanket, the coconut fiber blanket has the characteristics of moderate fiber thickness, reasonable length range, light weight, high strength, good elasticity and strong water permeability, dense and reasonable mesh structure is easy to form, plants grow in the meshes, and the meshes can create an environment with air permeability, water retention and temperature regulation. And the coconut fiber blanket has the characteristic of biodegradability, can be completely degraded into humus after being directly buried in the soil for 3-5 years, and the humus can increase the microbial nutrition in the soil, improve the soil quality, activate the soil and facilitate the growth of plants.

3. The water and soil conservation coconut fiber vegetation blanket has the advantage of strong anti-erosion capability, and can create conditions suitable for vegetation to grow in the environment with severe weather conditions. The roughness is 600 times higher than that of quicksand. The sand conveying amount is reduced by 99 percent, and the wind resistance reaches 10 m/s.

4. The water and soil conservation coconut fiber planting blanket has the advantage of strong scouring resistance, can provide greening conditions on a slope with a slope angle of more than 25 degrees, has a long-term flow resistance of 1.2-1.8m/s and a short-term flow resistance of 3m/s, and prevents water and soil loss caused by surface runoff.

5. The water and soil conservation coconut fiber vegetation blanket can also provide greening conditions. For sandy soil which is not suitable for greening, besides sand prevention and soil fixation, a greening substrate can be provided, the natural temperature of surface soil is adjusted, air is permeable, direct sunlight is avoided, moisture is preserved, a hotbed is provided for seed germination, and regions which are difficult to green are greened.

6. Compared with the traditional technology, the water and soil conservation coconut fiber planting carpet has the obvious advantages of simple construction technology and high construction speed. The construction speed can reach dozens of times to dozens of times of the traditional process.

Drawings

Fig. 1 is a schematic structural view of a water and soil conservation coconut fiber plant-growing blanket according to an embodiment of the invention.

Fig. 2 is a schematic structural view of a portion a in fig. 1.

FIG. 3 is a schematic structural diagram of a stabilization layer in an embodiment of the present invention.

In the figure: 1. a stabilizing layer; 11. a support body; 111. a tank structure; 112. micro holes; 12. a water storage through groove; 13. a conical body; 14. a conical nail; 141. a connecting plate; 2. a first fibrous layer; 21. a groove; 3. planting a layer; 4. a second fibrous layer; 41. a polylactic acid film; 411. and (4) air holes.

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.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The materials and equipment described in the examples of the present invention can be purchased on the market without specific description.

Example 1

Referring to fig. 1 to 3, a water and soil conservation coconut fiber vegetation blanket comprises a stabilizing layer 1, a first fiber layer 2, a planting layer 3 and a second fiber layer 4 which are arranged from bottom to top in sequence.

The stable layer 1 is provided with a plurality of supporting bodies 11, and a water storage through groove 12 is formed between every two adjacent supporting bodies 11; each support body 11 is provided with a groove body structure 111 with an open top, the side wall of each groove body structure 111 is provided with a plurality of micro holes 112, and the micro holes 112 are communicated with the corresponding water storage through grooves 12; one end of each support body 11 is fixedly provided with a conical body 13 with two open ends, and one end of each conical body 13 extends to the upper side of the planting layer 3. Here, the effect of stabilizer layer 1 is to playing stable, the effect of support to overall structure, can also play the effect that the retaining is moisturized, and logical inslot 12 impounds at the retaining, for vegetation provides moisture, and the root system of plant passes and plants layer 3, pricks the root on first fibrous layer 2, and some plants can also extend to the logical groove 12 of retaining, the required moisture of direct absorption. Solid slow-release fertilizer particles are filled in each groove body structure 111. The water in the water storage through groove 12 passes through the micro holes 112 and enters the groove body structure 111, and then the solid slow-release fertilizer particles in the groove body structure 111 are moistened, so that the fertilizer particles in the groove body structure 111 are gradually moistened and then enter the water storage through groove 12 through the micro holes 112. As the root systems of part of plants can enter the water storage through groove 12, the water storage through groove can absorb moisture and fertilizer elements in the moisture, and provide required nutrients for the growth of the plants. The cone 13 is used for supplementing corresponding solid fertilizer particles into the groove structure 111. Of course, the liquid fertilizer can be supplemented and enter the corresponding water storage through groove 12 through the micro-holes 112. The top of every supporter 11 all imbeds and sets up in second fibrous layer 4, when stabilizing overall structure, can also conveniently supply liquid manure.

In this embodiment, the diameter of the micro holes 112 is 0.2 to 1 mm. The water in the water storage through groove 12 can slowly permeate the micro holes 112 and enter the groove body structure 111, and has a moistening effect on the solid slow release fertilizer particles in the groove body structure 111. Along with the increase of the water quantity passing through the micro holes 112, the solid slow-release fertilizer particles in the groove body structure 111 are gradually wetted and then dissolved in water, and along with the diffusion of water flow in the micro holes into the water storage through grooves 12, the required nutrients can be provided for the growth of plants, and because the speed of water passing through the micro holes is very low, the influence on the growth of plants caused by excessively high-concentration nutrients can be effectively avoided.

Both first fiber layer 2 and second fiber layer 4 are 100% coconut fiber blankets; and the porosity of the first fibre layer 2 is smaller than the porosity of the second fibre layer 4. For example, the pores of the first fiber layer are 0.1-0.3 cm; the second fiber layer has a pore size of 0.5-2 cm. The larger porosity of the second fibre layer 4 also helps the seeds to protrude through the pores of the second fibre layer 4 after germination. The planting layer 3 is composed of seeds and a substrate, and the substrate is planting soil. Here, natural precipitation or artifical feedwater that sprays can loop through second fibrous layer 4 and first fibrous layer 2 to make the logical inslot moisture of retaining keep, reduce moisture transpiration, play retaining, the effect of moisturizing.

Example 2

A soil and water conservation coconut fiber plant-growing blanket is basically the same as the structure of the embodiment 1, except that the first fiber layer 2 is obtained by immersing a coconut fiber blanket in molten polylactic acid and then performing hot press molding. A plurality of grooves 21 are formed in the first fiber layer 2, and each groove 21 corresponds to the corresponding water storage through groove 12 one to one. Here, the purpose of the grooves 21 provided on the first fibre layer 2 is on the one hand to contribute to the increase of the amount of planting soil and to form a plurality of rows of planting areas; on the other hand, the water content of the irrigation water supply can be concentrated on the corresponding planting area.

Example 3

The water and soil conservation coconut fiber vegetation blanket has the same structure as that of the embodiment 1, and is different in that a planting layer 3 consists of seeds and a matrix, wherein the matrix consists of 20-30 parts by weight of coconut chaff, 5-20 parts by weight of oyster shell powder, 30-60 parts by weight of sludge and 2-4 parts by weight of NPK compound fertilizer (17-17-17).

Example 4

A water and soil conservation coconut fiber plant-growing blanket is basically the same as the structure of the embodiment 1, and the difference is that the second fiber layer 4 is formed by combining a coconut fiber blanket and a polylactic acid film 41, and a plurality of air vents 411 are uniformly distributed on the polylactic acid film 41. The size of each air hole is 2-10 cm. The downside of coconut fiber blanket sets up polylactic acid film 41, and polylactic acid film 41's setting not only can play the effect of water conservation heat preservation degree, promotes the growth and development of plant seed, still has degradable characteristic, can not the polluted environment.

Example 5

Referring to fig. 1, a soil and water conservation coconut fiber vegetation blanket is substantially the same as the structure of embodiment 1, except that the bottom of the stabilization layer 1 has a plurality of conical nails 14, the circumferential side of each conical nail 14 is provided with at least two connection plates 141, each connection plate 141 is hinged to its corresponding conical nail 14, and the maximum opening angle between each connection plate 141 and its corresponding conical nail 14 is 30-60 °. The conical nail is mainly used for fixing the stabilizing layer 1 and promoting the tight connection between the stabilizing layer 1 and the ground surface.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. a soil and water conservation coconut fiber planting blanket, is characterized in that, comprises the stable layer, the first fiber layer, planting layer and the second fiber layer that are arranged successively from bottom to top, there is a plurality of supports on the described stable layer, And a water storage channel is formed between two adjacent supports; each of the supports has a groove structure with an open top, and the side walls of each of the groove structures are provided with fine holes, and The micro holes communicate with the corresponding water storage channels; one end of each support body is fixedly provided with a cone with two ends open, and one end of each cone extends to the upper side of the planting layer.

2. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, the top of each described support body is all embedded and arranged in described second fiber layer.

3. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, described first fiber layer is to be dipped in molten polylactic acid by coconut silk fiber blanket, then obtains through hot pressing.

4. soil and water conservation coconut fiber planting blanket according to claim 3, is characterized in that, is provided with a plurality of grooves on the described first fiber layer, and each described groove is all with its corresponding water storage channel one by one correspond.

5. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, described planting layer is made up of seed and matrix, according to parts by weight, described matrix is made up of 20～30 parts of coconut bran, oyster It is composed of 5-20 parts of shell powder, 30-60 parts of sludge and 2-4 parts of NPK compound fertilizer.

6. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, described second fiber layer is to be combined by coconut silk fiber blanket and polylactic acid film, and described polylactic acid film is evenly distributed with many ventilation holes.

7. soil and water conservation coconut fiber planting blanket according to claim 6, is characterized in that, the size of each described ventilation hole is 2～10cm.

8. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, the pore of described first fibrous layer is smaller than the pore of described second fibrous layer.

9. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, in each described groove structure, is filled with solid slow-release fertilizer particles.

10. soil and water conservation coconut fiber planting blanket according to claim 1, is characterized in that, the bottom of described stabilizing layer has a plurality of conical nails, and the peripheral side of each described conical nails is provided with at least two connections Each of the connecting plates is hinged with its corresponding conical nails, and the maximum opening angle between each of the connecting plates and its corresponding conical nails is 30-60°.