CN108739087B - Lawn for walking by real and false grass and construction method thereof - Google Patents
Lawn for walking by real and false grass and construction method thereof Download PDFInfo
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- CN108739087B CN108739087B CN201810643414.4A CN201810643414A CN108739087B CN 108739087 B CN108739087 B CN 108739087B CN 201810643414 A CN201810643414 A CN 201810643414A CN 108739087 B CN108739087 B CN 108739087B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
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Abstract
The invention discloses a true and false grass walking lawn which comprises a supporting layer and a planting layer, wherein the planting layer comprises a root system planting matrix layer and a grass planting grid, the root system planting matrix layer is laid on the upper portion of the supporting layer, the grass planting grid is located in the root system planting matrix layer, the root system planting matrix layer is 3-5cm higher than the grass planting grid, an artificial grass blanket with a planting gap is further laid on the surface of the root system planting matrix layer, lower gramineous propagation type forage grass and lawn grass are planted in the planting gap, the lower gramineous propagation type forage grass accounts for 10-30% of mixed grass, and the lower gramineous propagation type forage grass comprises one or a plurality of leymus chinensis, alexandrium pratense, ramosissimum sibiricum, teff burclover or cogongrass. The pressure resistance of the root system planting layer is enhanced by arranging the grass planting grids in the root system planting layer of the lawn, so that soil is not easy to harden in the trampling process, and further, mixed grass is planted on the artificial grass blanket through arranging the artificial grass blanket on the root system planting matrix layer, and the trampling resistance of the lawn is improved.
Description
Technical Field
The invention relates to the technical field of lawns, in particular to a true and false grass walking lawn and a construction method thereof.
Background
With the development of social economy, people pay more and more attention to the environment, and a great amount of greening construction of parks and communities enables the lawn to become a common facility. The conventional lawn is mainly characterized in that a grass blanket is directly paved or sown on the original land, or sand is paved and then the lawn is planted on the original land, the conventional lawn is inevitably easy to tread, and after a tourist treads the conventional lawn is easy to cause hard soil and alopecia areata, so that the maintenance cost of the lawn is further high.
Disclosure of Invention
The invention aims to provide a lawn for real and fake grass to walk so as to solve the problem that the conventional lawn is not resistant to treading.
The second purpose of the invention is to provide a method for constructing a real and false grass lawn for walking, so as to obtain the real and false grass lawn for walking with treading resistance by a simple, convenient and feasible method.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the invention provides a true and false grass walking lawn which comprises a supporting layer and a planting layer positioned on the supporting layer, wherein the planting layer comprises a root system planting matrix layer and a grass planting grid, the root system planting matrix layer is laid on the upper part of the supporting layer, one grass planting grid is positioned in the root system planting matrix layer, the root system planting matrix layer is 3-5cm higher than the grass planting grid, an artificial grass blanket with a planting gap is further laid on the root system planting layer, mixed grass is planted in the planting gap of the artificial grass blanket and comprises gramineous lower propagation type forage grass and lawn grass, the gramineous lower propagation type forage grass accounts for 10-30% of the mixed grass, and the gramineous lower propagation type forage grass comprises one or a combination of a plurality of leymus chinensis, elymus pratense, old awn, bromus formosanus, curvatus, fescue or cogongrass.
The invention also provides a construction method of the true and false grass walking lawn, which comprises the following steps: laying a layer of grass planting grids on the supporting layer, filling and laying root system planting matrixes in the grass planting grids, enabling the root system planting matrixes to sink 3-5cm beyond the grass planting grids to form a root system planting matrix layer, laying an artificial grass blanket on the root system planting matrix layer, continuously laying a layer of root system planting matrixes on the artificial grass blanket, and planting mixed grass in planting gaps of the artificial grass blanket.
Set up the grass planting check in planting the layer through the root system on lawn, it has strengthened the compressive property on root system planting layer as a skeleton texture, when making the human body trample the lawn, the pressure that the grass planting check can disperse and trample, make the soil that the layer was planted to the root system be difficult to take place soil hardening trampling the in-process, and then the grass on lawn is trampled the back and is also recovered easily, the anti-performance of trampling on lawn has been improved, and combine to plant the grass check setting in the position below root system planting layer surface 3 ~ 5cm, make the grass planting check can enough carry out the skeleton support to the lawn structure, can not influence the growth of grass on the lawn again, also make trampling the in-process on whole lawn can not destroy the grass planting check structure. Furthermore, the artificial grass blanket is arranged on the root planting matrix layer, the mixed grass is planted on the artificial grass blanket, and the artificial grass blanket and the mixed grass are combined, so that the treading resistance of the lawn is further improved on the basis of planting the grass planting grids.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a lawn for walking on real and false grass according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an artificial grass blanket according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a base fabric of an artificial grass blanket according to an embodiment of the invention.
In the figure: 100-true and false grass walking lawn; 110-a support layer; 111-geotextile; 120-planting layer; 121-root system planting matrix layer; 122-grass planting grids; 130-mixed grass; 140-artificial grass blanket; 141-artificial grass filaments; 142-a base fabric; 143-primary base fabric; 144-secondary backing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The following describes the real and false grass lawn for walking according to the embodiment of the present invention, and the method for constructing the same.
In current lawn, after artificially stepping on the lawn, human weight can further transmit pressure for the planting soil layer of planting the meadow on the grass that acts on the lawn earlier, and then can make and plant soil layer soil by the compaction under the effect of pressure, produce easily and harden, thereby moisture and the nutrient substance supply that lead to the grass on the lawn receive the influence, consequently, the back is trampled to the grass on the lawn, its growing ability and repair ability decline greatly, and then lead to dying easily, the lawn forms a large amount of alopecia areata. The invention creatively provides the lawn capable of greatly enhancing the treading resistance of the lawn, so that the true and false grass walking lawn capable of walking is formed. The specific implementation mode is as follows:
referring to fig. 1, some embodiments of the present invention provide a real and false grass walking lawn 100, which includes a support layer 110 and a planting layer 120 on the support layer 110, the planting layer 120 includes a root planting matrix layer 121 and a grass planting lattice 122, the root planting matrix layer 121 is laid on the upper portion of the support layer 110, one grass planting lattice 122 is located in the root planting matrix layer 121, the root planting matrix layer 121 is submerged in the grass planting lattice 122, the upper surface of the root planting layer is 3-5cm higher than the top of the grass planting lattice 122, an artificial grass blanket 140 with a planting gap is further laid on the root planting layer 121, a mixed grass 130 is planted in the planting gap of the artificial grass blanket 140, the mixed grass 130 includes a lower propagation type grass and a lawn grass, the lower propagation type grass accounts for 10-30% of the mixed grass, and the lower propagation type grass includes leymus chinensis, alexandrium pratense, brome canaryegrass, brome, and grass, One or more of herba Eragrostidis Pendulae, herba Imperatae, and rhizoma Imperatae.
The grass planting lattice 122 mainly adopts modified high molecular weight HDPE as a raw material, is green and environment-friendly, and can be completely recycled, and the grass planting lattice 122 also has the performances of pressure resistance, wear resistance, impact resistance, ageing resistance and corrosion resistance. The inventor creatively sets up grass planting check 122 in the root system planting matrix that is used for planting the grass on lawn, be about to bury grass planting check 122 in root system planting matrix, play the effect of skeleton support in its inside, be different from the mode that is applied to ground with grass planting check 122 among the prior art, when the lawn is trampled to the human body, the soil layer on grass planting check 122 upper portion receives the extrusion and transmits power for grass planting check 122 uniformly, the further dispersion is advanced to the trampling pressure that will transmit through grass planting check 122, thereby make the soil on lower part root system planting layer be difficult to take place the soil hardening at trampling the in-process, and then the grass on lawn is trampling the back, its bottom is difficult to take place to change for its soil basic unit that provides moisture and nutrient composition, its growth performance and repair capability also obtain the improvement, resume easily after being trampled. Therefore, the treading resistance of the lawn is greatly improved; and plant grass check 122 and set up in the position of root system planting layer 121 surperficial 3 ~ 5cm below for plant grass check 122 can enough carry out the dispersion of skeleton support and effort to the lawn structure, can not influence the growth of the grass on the lawn again, also makes trampling the in-process on whole lawn can not destroy the structure of plant grass check 122.
The artificial grass blanket 140 has trampling resistance due to the artificial property, mixed grass is planted in planting gaps of the artificial grass blanket 140, and then the true and false grass integrated lawn is formed, when being trampled, only partial true grass is acted, so that the trampling resistance of the whole lawn can be greatly improved, and meanwhile, the whole trampling resistance of the lawn is improved to a certain extent by the gramineae lower breeding type pasture containing part of the mixed grass. Meanwhile, compared with the natural lawn, the lawn with the real artificial grass has the advantages that the artificial grass covers the ground surface, the heat preservation and temperature control effects are achieved, the soil temperature is quickly increased in spring, and the green turning of the lawn is early. In the real artificial grass, the real grass root system and the artificial grass filaments are mutually wound, the artificial grass filaments also provide a supporting and fixing effect for the real grass, the integral wear-resisting capacity of the lawn is improved, and after the autumn natural grass/the real grass is withered and yellow, the artificial grass filaments are still green, after low pruning, the whole lawn looks green, and the ornamental and service time of the lawn is prolonged.
Specifically, referring to fig. 2, the artificial grass blanket 140 includes artificial grass filaments 141 and a base fabric 142. The artificial grass filaments 141 are fixed on the base cloth 142 at intervals, a certain planting space is formed among the artificial grass filaments 141, the mixed grass 130 can be planted in the planting space, an integral uniform lawn is further formed, when the mixed grass is planted, root system planting substrates with the thickness of 3-4 cm are paved on the artificial grass blanket 140, and then the mixed grass seeds are sown.
Referring further to fig. 3, the base cloth 142 includes a plurality of main base cloth 143 and a plurality of secondary base cloth 144 arranged at intervals, the secondary base cloth 142 is used for fixing the artificial grass filaments 141, the artificial grass filaments 141 can be fixed on the secondary base cloth 142 by weaving, the whole artificial grass filaments 141 are approximately perpendicular to the secondary base cloth, preferably, the height of the artificial grass filaments 141 is 5-7 cm higher than that of the base cloth 142, but may be adjusted as required in other embodiments. The main base cloth 144 has a gap through which the root system of the grass can pass, so that when the mixed grass 130 is planted, the root system of the mixed grass 130 can pass through the main base cloth 144 and extend to the root system planting substrate at the bottom to absorb water and nutrient. Further, in some embodiments, the primary base fabric 144 is formed by secondary weaving of polypropylene and a degradable biomaterial. The composition is beneficial to plant growth and degradation in later stage. The secondary backing is made of polyolefin material. The material can fix the artificial grass filaments for a long time and keep the shape of the artificial grass blanket stable.
In view of the poor treading resistance of the individual turf grass, the embodiment of the invention further adopts mixed grass of combined grass of gramineous inferior propagation type pasture and turf grass on the basis of the artificial grass carpet, for example, the gramineous inferior propagation type pasture can be singly selected from the group consisting of leymus chinensis, elymus chinensis, ramus formosanus or teff bens. Or combination of herba Leymi chinensis and old Mangifera Indicae, or combination of herba Leymi chinensis, herba Thymi Japonicae and bromus formosanus, etc. Turfgrass may include one or more combinations of blue grass, tall fescue, ryegrass, bentgrass, fescue, zoysia, bermuda grass, carpesium or blumea. For example, turfgrass may be blue grass, tall fescue, ryegrass, bentgrass or fescue, or a combination of fescue and zoysia, or a combination of zoysia and bermuda, or a combination of bermuda, bentgrass and carpeting.
By mixed planting of gramineous inferior pasture and lawn grass, the whole treading capacity of the lawn can be improved, and the whole aesthetic property of the lawn can be considered. The grass of the lower propagation type of the gramineae has strong water and soil retention capacity and strong growth and restoration capacity, and when the grass is mixed with the common lawn grass for planting, the growth and restoration capacity of the whole lawn can be improved. The proportion of the gramineous inferior propagation type pasture in the mixed grass is 10-30%, and the proportion can not only improve the treading resistance of the lawn, but also does not influence the ornamental performance of the whole lawn. Wherein, when mixed planting is carried out, the grass of the lower reproduction type in the Gramineae and the lawn grass are uniformly mixed and sowed.
Furthermore, aiming at different climatic conditions in the south and north, different lawn grass is selected, so that the growth performance of the lawn grass is improved, and the trampling resistance of the lawn grass is correspondingly improved. In northern lawns, the turf grass is cool-season grass, preferably one or a combination of bluegrass, festuca arundinacea, ryegrass, bentgrass, or festuca arundinacea. In southern lawns, the turf grass is warm season grass, preferably one or a combination of zoysia, bermuda grass, carpesium or blumea.
The supporting layer 110 is a bottom structure which supports the real and false grass walking lawn 100, and is also used for collecting drainage at the bottom of the lawn, so that in some embodiments of the invention, the supporting layer 110 is a gravel drainage layer, and the gravel adopted by the gravel drainage layer has a particle size of 1-3 cm. The crushed stone can be selected from gravel, etc. The support layer 110 formed by piling the crushed stones with the particle size has stable support performance, and meanwhile, the pore size is suitable for facilitating drainage and collection, and meanwhile, the moisture and the nutrient components are not easy to lose.
In the real and false grass walking lawn 100 of the embodiment of the invention, the thicknesses of the supporting layer 110 and the planting layer 120 and the height specification of the grass planting lattices 122 can influence the performance of the real and false grass walking lawn 100, the soil layer of the planting layer 120 is too thick, which easily causes bad partial pressure stress condition of the grass planting lattices 122, can not obviously improve the treading resistance, and is also not beneficial to the drainage and collection of excessive water through the supporting layer 110 in rainy days; and the too thin soil layer of the planting layer 120 is likely to cause poor moisture and fertility preservation capability of water and soil and influence plant growth. Therefore, in some embodiments of the present invention, the total thickness of the supporting layer 110 and the planting layer 120 may be 20 to 30cm, the thickness of the supporting layer 110 may be 5 to 10cm, and the height of the grass grid 122 may be 7 to 10 cm. The thickness of this supporting layer 110, planting layer 120 and the selection of grass planting check 122 specification size can make when trampling the lawn, and the power of trampling can act on grass planting check 122 fast, and moisture content and nutrient composition in the layer 120 are planted to the root system can have fine holding power simultaneously, have also had the good drainage of supporting layer 110 to collect the ability concurrently.
According to some embodiments, the real and false grass lawn 100 further comprises a foundation, wherein the gravel drainage layer is laid on the foundation, the surface of the foundation is high, the two sides of the foundation are low, the slope is 3-5%, and the foundation drainage is facilitated through the set certain slope.
According to some embodiments, a geotextile 111 is further disposed between the support layer 110 and the root planting matrix layer 121. The laying amount of the geotextile 111 is 100-2The geotextile 111 can prevent the root system planting matrix from sliding down to the gravel drainage layer along with water seepage.Further, in some embodiments, 2-5cm root system planting substrates are further laid on the grass planting lattices 122 and the geotextile 111, so that the grass planting lattices 122 can be prevented from directly contacting the supporting layer 110, and a buffering effect is achieved.
In the embodiments of the present invention, the specific choice of the root system planting substrate also relates to the growth and restoration ability of turfgrass, and also relates to whether the root system planting substrate is easy to harden after treading. Accordingly, in some embodiments of the present invention, the root planting medium of the root planting medium layer 121 includes medium coarse sand, turfy soil, and organic fertilizer. Further, the ratio of medium coarse sand to peatmoss may be 3: 1-5: for example, the ratio of medium coarse sand to turfy soil may be 3:1, or 4:1, or 4.5: 1, or 5: 1, etc.; the dosage of the organic fertilizer can be 1-2 kg/m2. The medium with the medium coarse sand and the turfy soil matched plays a good role in water and fertilizer retention, and meanwhile, the medium has good porosity and is beneficial to the growth of plant roots. Wherein, the organic fertilizer can be selected from conventional organic fertilizers sold in the market, and also can be selected from agricultural biological organic fertilizers and the like. Further, in some embodiments, the coarse medium sand contains more than 80% of particles with a particle size of 0.25-1.0 mm.
Further, some embodiments of the present invention also relate to a method for constructing the above-mentioned real and artificial grass lawn 100, which includes: laying a layer of grass planting grids 122 on the supporting layer 110, filling and laying root system planting matrixes in the grass planting grids 122, enabling the root system planting matrixes to be higher than the grass planting grids 122 by 3-5cm to form a root system planting matrix layer 121, laying an artificial grass blanket 140 on the root system planting matrix layer 121, continuing laying a layer of root system planting matrixes on the artificial grass blanket 140, and planting mixed grass 130 in planting gaps of the artificial grass blanket 140.
According to some embodiments, the root planting substrate is compacted or settled once per 4-5 cm thickness of the filled root planting substrate when being filled and laid. The capability of improving water and soil conservation is facilitated by multiple compaction or settlement.
According to some embodiments, the construction method further comprises planting mixed grass on the root planting layer 121, wherein the mixed grass comprises gramineous subsurface propagation type pasture and turf grass, and the gramineous subsurface propagation type pasture accounts for 10-30% of the mixed grass.
Further, the maintenance of the treading resistance of the real and false grass-walking lawn 100 is also closely related to the growth performance of the mixed grass planted on the lawn, and thus, the construction process thereof further includes maintaining the constructed real and false grass-walking lawn 100 to trim the mixed grass to a height 5-8cm above the ground surface. Specifically, maintaining the real and false grass lawn 100 includes: watering once every 10-15 days, wherein each time of watering is permeable, so that soil with the depth of 10cm underground is wet; fertilizing once a month, preferably applying a compound fertilizer, wherein the fertilizing amount is 18-25 g/m2Preferably, the compound fertilizer is a 15-15-15 compound fertilizer. Above-mentioned maintenance process is to mixing the careless maintenance means that suits of planting, can make and carry out to have fine growth performance for a long time between the multiple grass of mixed planting, and then after being trampled, the grass is also difficult dead, can resume fast.
Some embodiments of the present invention also relate to a method of constructing a real and false grass lawn 100, which includes: firstly, foundation arrangement is carried out, 20-30cm is dug downwards, and the foundation is compacted and settled. And paving a 5-10cm gravel drainage layer, wherein the gravel has the particle size of 1-3 cm. Then, according to 100-2Laying the geotextile 111, laying 2-5cm of root system matrix on the geotextile 111, laying 7-10cm of grass planting grids 122, continuously laying the root system matrix in the grass planting grids 122 to enable the root system matrix to sink 3-5cm beyond the grass planting grids, and compacting or settling the matrix once every 5cm of the matrix is filled. Then, an artificial grass blanket is laid, a root system planting substrate with the thickness of 3-4 cm is laid on the artificial grass blanket, mixed grass seeds are sowed, and the mixed grass seeds are selected from the combination of gramineae inferior-reproduction type pasture and lawn grass seeds.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
Firstly, foundation arrangement is carried out, 24cm is dug downwards, the foundation is compacted and settled to enable the middle of the foundation to be high and two sides to be low, the gradient is about 5 per mill, then a 8cm gravel drainage layer is paved on the foundation, wherein the gravel particle size is 1-3 cm.
Secondly, 100g/m of water is drained on the gravel drainage layer2Laying geotextile, laying 3cm of root system planting matrix on the geotextile, laying a layer of grass planting grids with the specification height of 7cm, continuously filling the grass planting grids with the root system planting matrix, and finally enabling the root system planting matrix to sink 4cm above the tops of the grass planting grids and compacting the matrix once every 5cm of the filled matrix. Wherein, root system planting matrix includes: medium and coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium and coarse sand to the turfy soil is 4:1, the dosage of the organic fertilizer is 1.5kg/m2The medium coarse sand is 85% of medium coarse sand with the grain diameter of 0.25-1.0 mm. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion.
Then, an artificial grass blanket is paved on the root planting layer, 4cm root planting substrate is paved on the artificial grass blanket, the artificial grass filaments are exposed in 2-3 cm, then grass planting is carried out, and grass seeds are planted by selecting gramineous inferior propagation type pasture and turfgrass in a mixed mode, wherein the gramineous inferior propagation type pasture accounts for 20%. The grass of the lower propagation type in the Gramineae family is selected from the Chinese wildrye, and the lawn grass is selected from the blunt-leaved grass, etc. The artificial grass blanket comprises artificial grass filaments and base cloth, wherein the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, the main base cloth is provided with a gap through which a root system of grass can penetrate, and the main base cloth is formed by secondary weaving of polypropylene and a degradable biological material; the secondary backing fabric is made of polyolefin material; the height of the artificial grass filaments is 6cm higher than the base fabric.
And then, performing daily maintenance on the lawn, wherein the height of the trimmed lawn is 6cm higher than the ground surface, grass scraps can be directly scattered on the ground surface, the lawn is watered for 1 time in 10 days, each time, the lawn is watered thoroughly, and the soil 10cm below the ground is wet. Applying fertilizer to lawn 1 time per month, (15-15-15) compound fertilizer 20g/m2。
Example 2
Firstly, foundation arrangement is carried out, 30cm is dug downwards, the foundation is compacted and settled to enable the middle of the foundation to be high and two sides to be low, the gradient is about 4 per mill, then a 10cm gravel drainage layer is paved on the foundation, wherein the gravel particle size is 1-3 cm.
Secondly, the water content of the crushed stone is 150g/m on the crushed stone drainage layer2Laying geotextile, and laying geotextileAnd (3) feeding a 5cm root system planting matrix, paving a layer of grass planting grids with the specification height of 10cm, continuously filling the root system planting matrix into the grass planting grids, finally enabling the root system planting matrix to sink 5cm above the tops of the grass planting grids, and compacting the matrix once every 5cm of the filled matrix. Wherein, root system planting matrix includes: medium coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium coarse sand to the turfy soil is 3:1, and the dosage of the organic fertilizer is 1kg/m2The medium coarse sand is 85% of medium coarse sand with the grain diameter of 0.25-1.0 mm. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion.
Then, an artificial grass blanket is laid on the root system planting layer, 4cm root system planting substrate is laid on the artificial grass blanket, the artificial grass filaments are exposed to 2-3 cm, then grass planting is sowed, and grass seeds are selected from gramineous inferior propagation type pasture and turfgrass to be planted in a mixed mode, wherein the gramineous inferior propagation type pasture accounts for 30%. Grass of Gramineae is selected from bent-leaf type, and grass of lawn is selected from carpet grass. The artificial grass blanket comprises artificial grass filaments and base cloth, wherein the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, the main base cloth is provided with a gap through which a root system of grass can penetrate, and the main base cloth is formed by secondary weaving of polypropylene and a degradable biological material; the secondary backing fabric is made of polyolefin material; the height of the artificial grass filaments is 5cm higher than the base fabric.
And then, performing daily maintenance on the lawn, wherein the height of the trimmed lawn is 8cm higher than the ground surface, grass scraps can be directly scattered on the ground surface, the lawn is watered for 1 time in 15 days, each time, the lawn is watered thoroughly, and the soil 10cm below the ground is wet. Applying fertilizer to lawn 1 time per month, (15-15-15) compound fertilizer 25g/m2。
Example 3
Firstly, foundation arrangement is carried out, 20cm is dug downwards, the foundation is compacted and settled to enable the middle of the foundation to be high and two sides to be low, the gradient is about 5 per mill, then a 5cm gravel drainage layer is paved on the foundation, wherein the gravel particle size is 1-3 cm.
Secondly, the water content of the crushed stone on the water drainage layer is 115g/m2Laying geotextile, laying 3cm root system planting matrix on the geotextile, laying a layer of grass planting lattice with specification height of 8cm, and continuously filling root system seeds into the grass planting latticePlanting the substrate, and finally enabling the root system planting substrate to submerge 4cm above the top of the grass planting grid, and compacting the substrate once every 5cm of the filled substrate. Wherein, root system planting matrix includes: medium coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium coarse sand to the turfy soil is 5: 1, the dosage of the organic fertilizer is 1.5kg/m2The medium coarse sand is 92 percent of medium coarse sand with the grain diameter of 0.25-1.0 mm. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion.
Then, an artificial grass blanket is laid on the root system planting layer, 4cm root system planting substrate is laid on the artificial grass blanket, the artificial grass filaments are exposed to 2-3 cm, then grass planting is sowed, and grass seeds are planted by mixing gramineous inferior propagation type pasture and turfgrass, wherein the gramineous inferior propagation type pasture accounts for 15%. The lower propagation type pasture of the gramineae is selected from a combination of elymus and old awn, and the lawn grass is selected from ryegrass. The artificial grass blanket comprises artificial grass filaments and base cloth, wherein the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, the main base cloth is provided with a gap through which a root system of grass can penetrate, and the main base cloth is formed by secondary weaving of polypropylene and a degradable biological material; the secondary backing fabric is made of polyolefin material; the height of the artificial grass filaments is 7cm higher than the base fabric.
And then, performing daily maintenance on the lawn, wherein the height of the trimmed lawn is 6cm higher than the ground surface, grass scraps can be directly scattered on the ground surface, the lawn is watered for 1 time in 13 days, each time, the lawn is watered thoroughly, and the soil 10cm below the ground is wet. Applying fertilizer to lawn 1 time per month, (15-15-15) compound fertilizer 18g/m2。
Example 4
Firstly, foundation arrangement is carried out, 26cm is dug downwards, the foundation is compacted and settled to enable the middle of the foundation to be high and two sides to be low, the gradient is about 5 per mill, then a 8cm gravel drainage layer is paved on the foundation, wherein the gravel particle size is 1-3 cm.
Secondly, the water content of the crushed stone is 120g/m on the crushed stone drainage layer2Laying geotextile, laying 5cm root system planting matrix on the geotextile, laying a layer of grass planting grids with the specification height of 8cm, continuously filling the grass planting grids with the root system planting matrix, and finally compacting the root system planting matrix 5cm above the tops of the grass planting grids every time the root system planting matrix is filledA primary matrix. Wherein, root system planting matrix includes: medium coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium coarse sand to the turfy soil is 4:1, and the dosage of the organic fertilizer is 1.5kg/m2The medium coarse sand is 83% of medium coarse sand with the grain diameter of 0.25-1.0 mm. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion.
Then, an artificial grass blanket is paved, 4cm root system planting matrix is paved on the artificial grass blanket, artificial grass filaments are exposed for 2-3 cm, then grass planting is sowed, and grass seeds are planted by mixing gramineous inferior propagation type forage grass and turf grass, wherein the gramineous inferior propagation type forage grass accounts for 25%. The grass of the lower reproduction type of the gramineae is awnless brome, and the lawn grass is bentgrass. The artificial grass blanket comprises artificial grass filaments and base cloth, wherein the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, the main base cloth is provided with a gap through which a root system of grass can penetrate, and the main base cloth is formed by secondary weaving of polypropylene and a degradable biological material; the secondary backing cloth 7 is made of polyolefin material; the height of the artificial grass filaments is 7cm higher than the base fabric.
And then, performing daily maintenance on the lawn, wherein the height of the trimmed lawn is 7cm higher than the ground surface, grass scraps can be directly scattered on the ground surface, the lawn is watered for 1 time in 13 days, each time, the lawn is watered thoroughly, and the soil 10cm below the ground is wet. Applying fertilizer to lawn 1 time per month, (15-15-15) compound fertilizer 20g/m2。
Example 5
Firstly, foundation arrangement is carried out, 21cm is dug downwards, the foundation is compacted and settled to enable the middle of the foundation to be high and two sides to be low, the gradient is about 5 per mill, then a 8cm gravel drainage layer is paved on the foundation, wherein the gravel particle size is 1-3 cm.
Secondly, the water content of the crushed stone is 120g/m on the crushed stone drainage layer2Laying geotextile, laying a layer of grass planting grids with the specification height of 8cm on the geotextile, filling root system planting matrix into the grass planting grids, and finally enabling the root system planting matrix to sink 5cm above the tops of the grass planting grids, and compacting the matrix once every 5cm of the filled matrix. Wherein, root system planting matrix includes: medium coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium coarse sand to the turfy soil is 4:1, and the dosage of the organic fertilizer is 1.5kg/m2Middle and coarseThe sand is medium coarse sand with the grain diameter of 0.25-1.0 mm accounting for 85 percent. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion.
Then, an artificial grass blanket is paved on the root planting layer, 4cm root planting substrate is paved on the artificial grass blanket, the artificial grass filaments are exposed in 2-3 cm, then grass planting is carried out by upward seeding, and grass seeds are planted by mixing gramineous inferior propagation type forage grass and turfgrass, wherein the gramineous inferior propagation type forage grass accounts for 25%. The grass of the lower reproduction type of the gramineae is awnless brome, and the lawn grass is bentgrass. The artificial grass blanket comprises artificial grass filaments and base cloth, wherein the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, the main base cloth is provided with a gap through which a root system of grass can penetrate, and the main base cloth is formed by secondary weaving of polypropylene and a degradable biological material; the secondary backing fabric is made of polyolefin material; the height of the artificial grass filaments is 6cm higher than the base fabric.
And then, performing daily maintenance on the lawn, wherein the height of the trimmed lawn is 7cm higher than the ground surface, grass scraps can be directly scattered on the ground surface, the lawn is watered for 1 time in 13 days, each time, the lawn is watered thoroughly, and the soil 10cm below the ground is wet. Applying fertilizer to lawn 1 time per month, (15-15-15) compound fertilizer 20g/m2。
Example 6
This example is different from example 4 only in that the grass seed selected at the time of planting grass is bentgrass.
Example 7
The difference between the embodiment and the embodiment 4 is that the root system planting substrate only comprises medium-coarse sand and organic fertilizer.
Example 8
The difference between the embodiment and the embodiment 4 is that the root system planting substrate and the grass planting grid are directly paved on the crushed stone drainage layer without paving the geotextile.
Example 9
This example is different from example 4 only in that the root system planting medium is directly filled up to 5cm without being compacted or settled when being filled up.
Example 10
The difference between the embodiment and the embodiment 4 is only that in the root system planting substrate, the medium coarse sand with the grain diameter of 0.25-1.0 mm only accounts for 50%.
Comparative example 1
The comparative example is different from the example 4 only in that the grass planting grids are not paved, and the root system planting substrate of 18cm is directly paved on the gravel drainage layer.
Comparative example 2
Firstly, foundation arrangement is carried out, 26cm is dug downwards, the foundation is compacted and settled, and a root system planting matrix with the thickness of 26cm is paved. Wherein, root system planting matrix includes: medium coarse sand, turfy soil and organic fertilizer, wherein the mass ratio of the medium coarse sand to the turfy soil is 4:1, and the dosage of the organic fertilizer is 1.5kg/m2The medium coarse sand is 83% of medium coarse sand with the grain diameter of 0.25-1.0 mm. The root system planting matrix is obtained by uniformly mixing medium-coarse sand, turfy soil and organic fertilizer according to the proportion. Then, bentgrass is planted on the root planting substrate.
Test examples
The lawns constructed according to the methods in examples 1 to 10 and comparative examples 1 to 2 were subjected to a treading resistance test, and the specific test method was: a person weighing about 70kg tramples 8 times a day, tramples 15 minutes each time, tramples one hour apart for 7 days each time, observe the percentage of lawn alopecia areata after continuously trampling for 7 days, and then observe the lawn recovery condition. The experimental results are shown in table one.
Watch 1
It can be seen from the above experimental results that the treading resistance and recovery capability of the lawn obtained by the construction method according to the embodiment of the present invention are greatly improved compared to those of the lawns of comparative example 1 and comparative example 2, so that the lawn for walking on real and false grass can meet the basic requirement of treading for a long time. Further comparing the experimental results of example 5 and example 4, it can be seen that laying a layer of root system planting substrate between the geotextile and the grass planting lattice is beneficial to improving the treading performance and the recovery capability of the lawn. As can be seen by comparing example 6 with example 4, the mixed grass species are planted to improve the treading resistance and the restorability of the lawn. It can be seen by comparing example 7 with example 4 that the choice of root system matrix also has some effect on the final treading resistance. It can be seen from comparison between example 8 and example 4 that the geotextile facilitates the loss of soil with water, and thus, the growth performance of the lawn grass can be enhanced, and the treading resistance can be improved. By comparing example 9 with example 4, it can be seen that the compacting operation of the filled root system planting medium is beneficial to the growth of the grass on the lawn, thereby improving the treading resistance thereof. By comparing example 10 with example 4, it can be seen that the ratio of the particle size of the medium coarse sand also has an influence on the lawn performance to some extent.
To sum up, through burying the grass planting check in the root system planting matrix that is used for planting the grass on lawn, it plays the effect that the skeleton supported in its inside, be different from the mode that is applied to ground with grass planting check 122 among the prior art, when the human body trampled the lawn, the soil layer on grass planting check upper portion receives the extrusion and transmits power for grass planting check uniformly, the rethread grass planting check is further dispersed with the trampling pressure that transmits, thereby make the soil on lower part root system planting layer be difficult to take place the soil hardening at trampling the in-process, and then the grass on lawn is trampling the back, its bottom is difficult to change for its soil basic unit that provides moisture and nutrient composition, its growth performance and restoration ability are also compare the temperature, resume easily after being trampled. Therefore, the treading resistance of the lawn is greatly improved; and will plant the grass check and set up in the position below the root system planting layer surface 3 ~ 5cm for the grass check can enough carry out the dispersion of skeleton support and effort to the lawn structure, can not influence the growth of the grass on the lawn again, also makes trampling the in-process on whole lawn can not destroy grass check structure. Furthermore, the artificial grass blanket is arranged on the root planting matrix layer, the mixed grass is planted on the artificial grass blanket, and the artificial grass blanket and the mixed grass are combined, so that the treading resistance of the lawn is further improved on the basis of planting the grass planting grids. The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of 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.
Claims (2)
1. A true and false grass lawn of walking, wherein the concrete structure includes the foundation, supporting layer, geotextile, planting layer, artificial grass blanket and mixing the grass, the surface of the foundation is high both sides low, and the slope is 3-5 ‰; the supporting layer is a gravel drainage layer and is laid on the foundation; the geotextile is laid on the supporting layer; a root system planting matrix with the thickness of 2-5cm is laid between the grass planting grids and the geotextile; the planting layer comprises grass planting grids and a root system planting matrix layer, the grass planting grids are positioned in the root system planting matrix layer, and the upper surface of the root system planting matrix layer is 3-5cm higher than the tops of the grass planting grids; the artificial grass blanket is laid on the planting layer and comprises artificial grass filaments and base cloth, the base cloth comprises a plurality of main base cloth and a plurality of secondary base cloth which are arranged at intervals, the secondary base cloth is used for fixing the artificial grass filaments, gaps for allowing root systems of grass to penetrate through are formed in the main base cloth, the main base cloth is formed by secondarily weaving polypropylene and degradable biological materials, the secondary base cloth is made of polyolefin materials, and the height of the artificial grass filaments is 5-7 cm higher than that of the base cloth; the mixed grass is planted in planting gaps of the artificial grass blanket, the mixed grass comprises gramineae lower propagation type forage grass and lawn grass, the gramineae lower propagation type forage grass accounts for 10-30% of the mixed grass, and the gramineae lower propagation type forage grass comprises one or more of Chinese wildrye, elymus pratense, old awn wheat, awnless brome, bent-leaf teff, fescue or cogongrass.
2. The lawn of claim 1, wherein the root planting medium comprises medium coarse sand, turfy soil and organic fertilizerAnd the proportion of the medium coarse sand to the turfy soil is 3: 1-5: 1, 1-2 kg/m of organic fertilizer2The content of particles with the particle size of 0.25-1.0 mm in the medium coarse sand is more than 80%; the total thickness of the supporting layer and the planting layer is 20-30cm, the thickness of the supporting layer is 5-10cm, and the particle size of adopted gravels is 1-3 cm; the specification height of the grass planting grid is 7-10 cm.
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