CN113748927A - Saline-alkali soil lawn paving method - Google Patents
Saline-alkali soil lawn paving method Download PDFInfo
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- CN113748927A CN113748927A CN202110921043.3A CN202110921043A CN113748927A CN 113748927 A CN113748927 A CN 113748927A CN 202110921043 A CN202110921043 A CN 202110921043A CN 113748927 A CN113748927 A CN 113748927A
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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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a saline-alkali soil lawn paving method, which relates to the technical field of lawn planting and comprises the following steps of S1, performing soil management on a selected lawn paving area; s2, selecting a proper lawn variety, and planting until the lawn is formed; s3, pressing the lawn to make the stolons fully contact with the soil layer, fertilizing and watering; s4, weeding the lawn, and avoiding weed breeding and influencing the growth of the lawn; and S5, performing maintenance management on the lawn, wherein the maintenance management is used for maintaining the normal growth of the lawn and comprises trimming, watering, fertilizing, ventilating and preventing and treating plant diseases and insect pests. Through carrying out soil management to laying the region, lay new soil layer after keeping apart saline and alkaline land soil layer, still increase the gas permeability of new soil layer, increase soil layer fertility, improve the water-holding capacity, reduce the resistance that root system pierces soil, prevent that lawn and soil layer from breaking away from mutually, make the lawn lay the success rate higher.
Description
Technical Field
The invention relates to the technical field of lawn planting, in particular to a method for paving a lawn on a saline-alkali soil.
Background
The green lawn is a lawn which is densely planted with perennial short herbaceous plants, is artificially built or artificially maintained and managed to realize the effects of greening and beautifying, and is suitable for beautifying the environment, landscapes, purifying air, keeping water and soil, and providing outdoor activities and sports places. The saline-alkali soil means that the normal growth of crops is influenced by salt contained in the soil, and is related to the accumulation of carbonate in the soil, the alkalization degree is generally high, the survival difficulty of plants is high, and therefore the urban attractiveness is influenced.
In order to improve the aesthetic appearance and to increase the ornamental value, garden managers usually need to try to lay lawns on saline-alkali soil to improve the aesthetic appearance. However, in the implementation process of the existing method for laying the lawn on the saline-alkali soil, the soil layer for laying the lawn has poor air permeability, and the root system of the lawn is difficult to extend into the soil layer, so that the lawn is easy to break away from the soil layer to cause laying failure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for paving a lawn on a saline-alkali soil.
The invention solves the technical problems through the following technical means: the saline-alkali soil lawn paving method comprises the following steps of S1, performing soil management on a selected lawn paving area; s2, selecting a proper lawn variety, and planting until the lawn is formed; s3, pressing the lawn to make the stolons fully contact with the soil layer, fertilizing and watering; s4, weeding the lawn, and avoiding weed breeding and influencing the growth of the lawn; and S5, performing maintenance management on the lawn, wherein the maintenance management is used for maintaining the normal growth of the lawn and comprises trimming, watering, fertilizing, ventilating and preventing and treating plant diseases and insect pests.
Further, the step S1 further includes: s11, leveling the soil layer to ensure that the gradient range of the soil layer is 0.2-0.5%; s12, laying an interlayer on the soil layer for alkali isolation; s13, filling a new soil layer with the thickness of 30-40 cm, wherein the new soil layer is loam or clay loam or a mixture of the two soils.
Further, after step S13, the method further includes the following steps: s14, watering and rolling the filled soil layer to allow the soil to settle; s15, building a retaining wall on the periphery of the soil layer, and reserving a drainage port at the lower part of the soil layer; s16, applying organic fertilizer 0.1 to 0.2m per square meter3。
Further, the interlayer is a plastic film with the thickness of more than 0.1cm, or the interlayer is an organic layer with the thickness of about 8 to 10cm, and the organic layer is a mixture of wheat bran and bark.
Further, the step S2 further includes: s21, selecting a proper lawn variety, wherein the lawn variety is tall fescue or manila; and S21, planting the selected lawn, wherein the lawn planting method is a paving method.
Further, in step S21, the turf grown from the selected turf species is cut into square turf pieces with a side length of 20cm to 40cm and a thickness of 3cm to 4cm in advance, a 2cm gap is left between each turf piece to allow the turf piece to be in close contact with the soil, and the gaps between the pieces are filled with the soil dried and ground finely.
Further, in step S4, the weeding manner is one or both of a physical weeding method and a chemical weeding method; the step S4 further comprises a step S41 of replanting the lawn with partially-missing seedlings.
Further, in the step S5, the method further includes the steps of S51, trimming the lawn area, wherein the trimming depth is 4cm-5 cm; the step S51 further includes: step S511, after the newly laid lawn is turned green, applying urea nitrogen fertilizer once every 1m210g-15g of urea nitrogen fertilizer is fertilized and immediately watered to dissolve the fertilizer in time so as to prevent seedling burning; s52, trimming the grass with the average height of 10-12cm or more in a period of one to two weeks, wherein the height of the left stubble on the lawn is 6-8 cm; s53, watering and thoroughly watering the lawn in a period of 7-10 days; s54, applying organic fertilizer or urea for 1-2 times in the growing season of the lawn; s55, drilling through holes on the surface of the lawn in the growth peak period of the rhizome for increasing the permeability of the soil layer, wherein the through holes are uniformly distributed; step S55 further comprises step S551, after punching, applying 15-20g/m of urea2Watering in time after fertilizing; s56, trimming and removing the diseased grass leaves or applying a medicament according to the pest situation.
Further, the step S52 further includes the following steps: s521, timely moving the trimmed grass clippings out of the lawn; s522, rolling the lawn once every 20 days by using a roller after autumn comes; s523, filling enough freezing water before freezing.
Further, the step S54 further includes the following steps: s541, when fertilizing, watering, and scattering the crushed organic fertilizer or urea into the lawn; and S542, topdressing and irrigating in time after each trimming.
The invention has the beneficial effects that:
compared with the existing lawn paving method, the method has the advantages that the soil management is carried out on the paving area, the new soil layer is paved after the saline-alkali soil layer is isolated, the air permeability of the new soil layer is increased, the soil layer fertility is increased, the water holding capacity is improved, the resistance of roots penetrating into the soil is reduced, the lawn can conveniently absorb nutrients and water, and the growth is promoted; meanwhile, the lawn is rolled, so that the root and the stem of the lawn are in full contact with the soil layer, the difficulty of the lawn stretching into the soil layer is reduced, the lawn is prevented from being separated from the soil layer, and the success rate of laying the lawn is higher.
Drawings
Fig. 1 is a schematic view of the lawn-laying work flow of the present invention.
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 with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, the method for laying a lawn in a saline-alkali soil according to this embodiment needs to perform preparation work before planting, that is, cleaning a selected planting lawn bed, mainly includes tree cleaning and sundries cleaning, and includes the following parts:
1. cleaning the trees: the trees comprise trees and shrubs, inverted trees, stumps, roots and the like, the trees are removed or cleaned, the lower parts of the trees are dug out, so that the situation that a depression is formed after the residues are rotted, the consistency of the lawn is damaged, and the breeding of fungi can be prevented;
2. sundries cleaning: and removing various sundries such as stones, broken bricks, rubbles and the like which obstruct the construction, wherein the cleaning depth is not less than 60cm, namely, the sundries which are not less than 60cm below the planting terrace bed are removed, otherwise, the phenomenon of uneven water supply capacity or insufficient water supply is caused. Finally, the content of impurities such as gravel and the like is lower than 10%, and when the soil is turned, soil blocks are smashed until the diameter of the soil blocks is smaller than 1 cm.
When cleaning, the surface soil is shoveled, temporarily piled and stored, after cleaning, the original surface soil is put back to the surface layer, and the position below the surface layer is filled with the original soil.
The method for laying the lawn on the saline-alkali soil further comprises the following steps,
s1, soil management is carried out on the selected lawn paving area; specifically, step S1 further includes:
s11, manually turning the soil, finely preparing the soil, and preferably measuring the soil by using a level gauge during leveling to ensure that the gradient ranges from 0.2% to 0.5% (the gradient can be high in the middle and low at the periphery or inclined to one side), wherein the gradient is selected to facilitate drainage;
s12, laying an interlayer on the finished soil layer for isolating alkali, wherein the interlayer can be a plastic film, preferably, the thickness of the plastic film is more than 0.1cm, or the interlayer is an organic layer with the thickness of about 8-10cm, and the organic layer is a mixture of wheat bran and bark;
s13, filling a new soil layer, wherein the depth of the filled soil layer is not less than 30cm, preferably between 30cm and 40cm, and the new soil layer is loam or clay loam or a mixture of the two soils;
preferably, the method also comprises the step S14 of watering the filled soil layer to ensure that the soil layer is fully soaked, and then rolling to ensure that the soil is settled;
preferably, the method further comprises step S15 of building a retaining wall on the periphery of the soil layer, and reserving a drainage port at the lower part of the soil layer for draining accumulated water on the surface of the lawn;
preferably, the method further comprises the step of S16, applying the organic fertilizer 0.1 to 0.2m per square meter3(ii) a Before fertilizing, ploughing the landThe land depth is not less than 20cm, so that the organic fertilizer can be uniformly distributed in the filled soil layer from top to bottom; or the organic fertilizer is directly buried in the middle and lower layers of the filling soil during filling soil, and the lawn can also normally absorb the organic fertilizer; the plowing can improve the permeability of soil, improve the water holding capacity, reduce the resistance of roots penetrating into the soil and enhance the surface stability of erosion resistance and trampling resistance.
S2, selecting a proper lawn variety, and planting until the lawn is formed; specifically, the step S2 further includes:
s21, selecting a proper lawn variety; selecting the lawn as tall fescue or manila; the tall fescue and the manila grow well on the saline-alkali soil, have stronger saline-alkali resistance, and have the characteristics of high lawn forming speed, drought resistance, heat resistance, waterlogging resistance, barren resistance, trampling resistance, light pest damage, unobvious hay layers and the like.
S21, planting the selected lawn, wherein the lawn planting method comprises a sowing method and a paving method;
if the sowing method is adopted, the sowing quantity is 3g/m2-5g/m2Internal, preferably 4g/m2Other suitable seeding amounts may be selected according to the actual management capacity, for example, 3g/m in the case of good management capacity2The seeding rate of (2) is also acceptable. During sowing, the weather without wind and rain is preferably selected, a hand-operated centrifugal sowing machine can be selected, or the sowing can be carried out by hand, and the uniform sowing is kept; after sowing, the seeds are gently swung by a steel wire harrow with better elasticity, or the seeds can be gently pushed forwards by a steel harrow with good elasticity and then compacted by a roller. The sowing time is selected in late autumn or early spring, and preferably, the sowing time is 10 months or 3 months. After the land with flat terrain is sowed, water can be sprayed once, and then the land is flooded with big water; for land blocks with undulating topography, sprinkling irrigation is mainly adopted.
If a paving method is adopted, the turf grown by the selected turf variety is cut into square turf blocks with the side length of 20cm-40cm and the thickness of 3cm-4cm in advance, the turf blocks are paved on the whole turf planting field one by one, a gap of 2cm is reserved between every two turf blocks, weeds on the turf blocks are removed during paving, and the weeds are abandoned if the weeds are too many. When paving, the turf blocks are pressed while being paved, so that the turf blocks are in close contact with soil, and after the turf blocks are paved, gaps among the turf blocks are filled with the soil which is dried in the sun and finely ground. Keeping the grass surface of the whole planting field smooth, then watering thoroughly, and rolling once again after 2-3 days; watering and rolling are carried out at a cycle every week until the grass blocks are completely flattened.
S3, pressing the lawn to make the stolons fully contact with the soil layer, fertilizing and watering; for the weeds which are sowed and are before the lawns are formed, the weeds are strictly prohibited from eroding the lawns; in early spring, the roller is used to press one side of the lawn, the stolons of the lawn are fully contacted with soil to facilitate tillering and growth of the lawn, 0.05kg of urea is applied per square meter, and water is thoroughly poured.
The water spraying times are gradually increased along with the rise of the air temperature, and the specific times are determined according to the drought degree of the weather. After 8 months, 0.05kg of urea is applied to each square meter, and the fertilization is stopped after the same amount of urea is applied again at the beginning of 10 months.
S4, weeding the lawn, and avoiding weed breeding and influencing the growth of the lawn; the weeding mode is one or two of a physical weeding method and a chemical weeding method, and in order to prevent the propagation of weeds in the future, the two methods of physical weeding and chemical weeding can be used together:
1. physical weeding method: removing weeds while digging soil by using a manual or soil plowing machine, such as a hand rake, a hoe and the like pulled by a tractor;
2. chemical weeding method: controlling fungal diseases at the end of 5 months, and spraying a mixed solution of insecticide and bactericide; the selected medicaments are: adding 1000 times of 50% methamidophos into 800 times of 70% mancozeb solution, or adding 800 times of 90% trichlorfon crystal into 800 times of 50% carbendazim wettable powder; at the beginning of 8 months, 1500 times of the Xinthiojing Quli solution and 800 times of the 50 percent carbendazim wettable powder solution are sprayed, or 40 percent omethoate 800 times of the solution and 70 percent chlorothalonil wettable powder 800 times of the solution are sprayed. After the pesticide is used, the harm of most of plant diseases and insect pests can be generally controlled through the control of the two times.
The step S4 further comprises the step S41 of replanting seedlings at the lawn with partial seedling shortage; specifically, the lawn is partially lack of seedlings, a small shovel can be used for nearby digging and clustering, and replanting is carried out at intervals of 10 cm; for the local alkali-returning place, if the area is not large, the lawn can be automatically covered after growing, if the area is large, the lawn can be replanted after being gradually dug along the junction of the lawn and the alkali-returning place, and the problem can be solved by frequently irrigating.
S5, maintaining and managing the lawn and maintaining the normal growth of the lawn; specifically, the lawn maintenance management mainly comprises the steps of trimming, watering, fertilizing, ventilating, pest control and the like, and specifically comprises the following steps:
s51: trimming the lawn area, wherein the trimming depth is 4-5 cm; the edge of the lawn is cut evenly by using an edge cutter or a flat blade of a crescent shovel or a cutting grass, the cutting depth is 4cm-5cm, the preferential cutting mode is beveling, and when the lawn is used, the lawn and other areas can be clear, the drainage is convenient, and the drainage efficiency is improved; preferably, the step S51 further includes a step S511 of applying a urea nitrogen fertilizer once every 1m after the newly laid lawn turns green210g-15g of urea nitrogen fertilizer is applied, and watering is carried out immediately after fertilization, so that the fertilizer is dissolved in time, and the seedlings are prevented from being burned.
S52, pruning the grass with the average height of 10cm-12cm and above in a period of one week to two weeks, wherein the height of the left stubble on the lawn is 6cm-8 cm; the pruning time is mainly summer, the pruning is usually carried out in clear weather, the pruning period is from one week to two weeks, the pruning is carried out when the average height reaches 10cm-12cm and above, the stubble height of the lawn is 6cm-8cm, and the last pruning is not later than 20 days before blooming so as to store the nutrients of the root system. Preferably, the step S52 further includes the steps of:
s521, timely moving the trimmed grass clippings out of the lawn; the turf can be prevented from becoming soft and easily causing pest infection and epidemic, and the turf can be prevented from being degraded too early due to the obstructed air permeability;
s522, rolling the lawn once every 20 days by using a roller after autumn comes;
s523, irrigating enough freezing water before freezing; so as to ensure the root system to safely live through the winter.
S53, watering and thoroughly watering the lawn in a period of 7-10 days; specifically, irrigation is a vital measure for managing the lawn in the saline-alkali soil area, the irrigation is particularly important in the strong salt return period in spring, the irrigation is carried out once before the grass on the lawn turns green, and the irrigation is carried out once every 7-10 days to ensure thorough irrigation; when the rainwater is full, the lawn can be ensured to be watered thoroughly, and the watering can be reduced or not carried out as appropriate; preferably, the salt return in autumn is strong, the irrigation is enhanced until the soil is completely irrigated, and sufficient water is irrigated before the soil is frozen.
S54, applying organic fertilizer or urea for 1-2 times in the growing season of the lawn; in particular, in the lawn fertilization measures, saline-alkali soil is not suitable for applying more fertilizers, organic fertilizers can be applied mainly, and the application is carried out for 1-2 times in the growing season, and urea can be selected if sufficient organic fertilizers are not available.
Preferably, the step S54 further includes: step S541, in fertilization, watering is matched, and the crushed organic fertilizer or urea is scattered into the lawn;
step S542, after each pruning, timely topdressing and watering are carried out, and 5g/m of urea can be selected2Or 3g/m of diamine2Or a suitable organic fertilizer, except for the last pruning.
S55, drilling vent holes for increasing the permeability of a soil layer on the surface of the lawn in the growth peak period of the rhizome, wherein the vent holes are uniformly distributed; specifically, according to the growth law of the lawn, after the blades are unfolded, holes are punched to loosen the soil at the growth peak of the roots, old roots are cut off, new roots are promoted to grow, the holes are punched to promote water permeation, soil permeability is increased, the lawn is convenient to naturally update, and holes can be punched by a punching machine or a spike tooth roller or a hollow iron chisel.
Preferably, the vent holes require 50-70 holes/m2The distance between the vent holes is 10cm multiplied by 10cm, the diameter of the vent holes is 1.5-3.5cm, and the depth of the vent holes is about 8cm, so that the uniform distribution is ensured.
Preferably, the method further comprises the step S551, after the hole is punched, applying 15-20g/m of urea2And watering in time after fertilizing, so that the lawn grass is green and moist.
S56, trimming and removing the diseased grass leaves or applying a medicament according to the pest situation.
The turfgrass is observed to prevent and control the diseases and pests in time, and the common diseases and pests comprise leaf rust, stripe rust, cutworms, stem borers, grubs and the like. When the pesticide is used for preventing and treating the diseases, the leaves of the disease grass can be removed in time by pruning, 200-fold and 300-fold liquid of triadimefon and dichlorfon can be sprayed to prevent the rust, the phoxim and trichlorfon missible oil can be used for preventing and treating cutworms, grubs and the like, preferably, the pesticide can be prevented and treated by 50 percent of carbendazim 500-fold liquid or 75 percent of chlorothalonil 500-fold liquid and the like, and various bactericides can be mixed or alternately used as far as possible to prevent the generation and development of drug-resistant hyphae.
Compared with the existing lawn laying method, in the invention, by carrying out soil management on the laid area, a new soil layer is laid after the saline-alkali soil layer is isolated, the air permeability of the new soil layer is increased, the soil layer fertility is increased, the water holding capacity is improved, the resistance of roots penetrating into the soil is reduced, the lawn is convenient to absorb nutrients and water, and the growth is promoted; meanwhile, the lawn is rolled, so that the root and the stem of the lawn are in full contact with the soil layer, the difficulty of the lawn stretching into the soil layer is reduced, the lawn is prevented from being separated from the soil layer, and the success rate of laying the lawn is higher.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The saline-alkali soil lawn paving method is characterized by comprising the following steps of S1, performing soil management on a selected lawn paving area; s2, selecting a proper lawn variety, and planting until the lawn is formed; s3, pressing the lawn to make the stolons fully contact with the soil layer, fertilizing and watering; s4, weeding the lawn, and avoiding weed breeding and influencing the growth of the lawn; and S5, performing maintenance management on the lawn, wherein the maintenance management is used for maintaining the normal growth of the lawn and comprises trimming, watering, fertilizing, ventilating and preventing and treating plant diseases and insect pests.
2. The method for laying a lawn on a saline-alkali soil as claimed in claim 1, wherein: the step S1 further includes: s11, leveling the soil layer to ensure that the gradient range of the soil layer is 0.2-0.5%; s12, laying an interlayer on the soil layer for alkali isolation; s13, filling a new soil layer with the thickness of 30-40 cm, wherein the new soil layer is loam or clay loam or a mixture of the two.
3. The method for laying a lawn on a saline-alkali soil as claimed in claim 2, wherein: after step S13, the method further includes the following steps: s14, watering and rolling the filled soil layer to allow the soil to settle; s15, building a retaining wall on the periphery of the soil layer, and reserving a drainage port at the lower part of the soil layer; s16, applying organic fertilizer 0.1 to 0.2m per square meter3。
4. The method for laying a lawn on a saline-alkali soil as claimed in claim 2, wherein: the interlayer is a plastic film with a thickness of more than 0.1cm, or the interlayer is an organic layer with a thickness of about 8-10cm, and the organic layer is a mixture of wheat bran and bark.
5. The method for laying a lawn on a saline-alkali soil as claimed in claim 1, wherein: the step S2 further includes: s21, selecting a proper lawn variety, wherein the lawn variety is tall fescue or manila; and S21, planting the selected lawn, wherein the lawn planting method is a paving method.
6. The method for laying a lawn on a saline-alkali soil as claimed in claim 5, wherein: in step S21, the turf grown from the selected lawn variety is cut into square turf pieces with side length of 20cm-40cm and thickness of 3cm-4cm, and a 2cm gap is left between each turf piece to make the turf pieces closely contact with the soil, and the gaps between the pieces are filled with the soil dried and ground.
7. The method for laying a lawn on a saline-alkali soil as claimed in claim 1, wherein: in step S4, the weeding mode is one or two of the physical weeding method and the chemical weeding method; the step S4 further comprises a step S41 of replanting the lawn with partially-missing seedlings.
8. The method for laying a lawn on a saline-alkali soil as claimed in claim 1, wherein: in the step S5, the method further comprises the following steps of S51, trimming the lawn area, wherein the trimming depth is 4cm-5 cm; the step S51 further includes: step S511, after the newly laid lawn is turned green, applying urea nitrogen fertilizer once every 1m210g-15g of urea nitrogen fertilizer is fertilized and immediately watered to dissolve the fertilizer in time so as to prevent seedling burning; s52, trimming the grass with the average height of 10-12cm or more in a period of one to two weeks, wherein the height of the left stubble on the lawn is 6-8 cm; s53, watering and thoroughly watering the lawn in a period of 7-10 days; s54, applying organic fertilizer or urea for 1-2 times in the growing season of the lawn; s55, drilling vent holes for increasing the permeability of a soil layer on the surface of the lawn in the growth peak period of the rhizome, wherein the vent holes are uniformly distributed; step S55 further comprises step S551, after punching, applying 15-20g/m of urea2Watering in time after fertilizing; s56, trimming and removing the diseased grass leaves or applying a medicament according to the pest situation.
9. The method for laying a lawn on a saline-alkali soil as claimed in claim 8, wherein: the step S52 further includes the steps of: s521, timely moving the trimmed grass clippings out of the lawn; s522, rolling the lawn once every 20 days by using a roller after autumn comes; s523, filling enough freezing water before freezing.
10. The method for laying a lawn on a saline-alkali soil as claimed in claim 8, wherein: the step S54 further includes the steps of: s541, when fertilizing, watering, and scattering the crushed organic fertilizer or urea into the lawn; and S542, topdressing and irrigating in time after each trimming.
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Application publication date: 20211207 |