CN109511509B

CN109511509B - Cultivation method for rapid propagation of lawn

Info

Publication number: CN109511509B
Application number: CN201810333013.9A
Authority: CN
Inventors: 何素芬; 钟栎; 杨静; 李蕾
Original assignee: Sichuan Gerui Gardening Technology Co ltd
Current assignee: Sichuan Gerui Gardening Technology Co ltd
Priority date: 2018-04-13
Filing date: 2018-04-13
Publication date: 2021-06-29
Anticipated expiration: 2038-04-13
Also published as: CN109511509A

Abstract

The invention belongs to the technical field of urban landscape greening engineering and lawn cultivation, and provides a cultivation method for quickly reproducing lawns, which comprises the following steps: (1) cultivating a lawn parent grass garden; a. selecting a nursery land; b. a grass source; c. broadcasting stem sections; d. managing a seedbed; (2) expanding propagation production: a. preparing matrix soil; b. preparing a straw curtain; c. preparing lawn seedlings; d. broadcasting stem sections; e. maintenance management; (3) lifting seedlings, transporting and transplanting. The method aims at the defects of the lawn production market, and has the advantages of simple production process, high propagation speed, convenience in transplanting and transportation, good lawn forming effect after transplanting and the like.

Description

Cultivation method for rapid propagation of lawn

Technical Field

The invention belongs to the technical field of urban landscape greening engineering and lawn cultivation, and particularly relates to a cultivation method for quickly reproducing lawns.

Background

The lawn is an important component of an urban landscape ecosystem, has a unique position in garden greening, and along with the development of modern civilization, the lawn serving as a component of a human habitat becomes an important mark for measuring urban modernization in the world today, and the demand is more and more large.

The lawn propagation seed-dividing propagation, asexual propagation and grass blanket planting are carried out, the seed propagation comprises a direct seeding method and a lawn direct zone method, and lawn production operators mainly adopt the lawn direct zone method in the market. However, the method has the disadvantages that the culture medium soil of the seedling lawn cultivation land is taken away by one layer every time of cutting and transplanting, so that after twice, the lower layer soil, no matter the nutrients or the soil and vegetable loose permeability, cannot be used as the culture medium for breeding and cultivating the seedling lawn again, the soil needs to be selected again to be arranged into the lawn seedling breeding field, and meanwhile, the workload during cutting is large.

Production operators adopt non-woven fabrics as carriers of lawn plant growth belts, and development and popularization are limited due to the complex production process and high cost of non-woven fabric carriers.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a cultivation method for rapid propagation of lawn, which has the advantages of simple and convenient production process, high propagation speed, convenience in transplanting and transportation, good lawn forming effect after transplanting and the like aiming at the defects in the lawn production market.

In order to achieve the above purpose, the solution adopted by the invention is as follows:

a cultivation method for lawn rapid propagation comprises the following steps: (1) cultivating a lawn mother grass garden: a. selecting a nursery land: removing impurities from vegetable garden land and then arranging the vegetable garden land into a seeding box bed; b. the grass source is: cutting the creeping branches and the rhizomes of the zoysia japonica into first stem sections with 2-3 buds as seedlings, and soaking the first stem sections in 100 mg/L of naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: the first stem section is sowed on a seeding box bed, then a layer of soil is sowed to cover the first stem section, and water is sprayed once; d. seedbed management: spraying 1-2 times of water every day within 5 days after the first stem section is broadcast, spraying a rooting solution every 2-3 days, and spraying a nutrient solution every 5-7 days after a new bud germinates; the rooting liquid comprises 40-60 mg/L of synergistic ketone, 10-30 mg/L of naphthylacetic acid and 5-15 mg/L of indolacetic acid; the nutrient solution comprises 900-1100 mg/L urea, 180-220 mg/L monopotassium phosphate, 90-110 mg/L magnesium sulfate, 40-60 mg/L synergistic ketone, 10-30 mg/L gibberellin and 10-30 mg/L naphthylacetic acid; (2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form matrix soil, and removing impurities from the matrix soil for later use; b. preparing a straw curtain: weaving dry straws into a straw mat; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, shearing the grape-like branches and the roots into second stem sections with 2-3 knots, and soaking the second stem sections in a 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; d. stem section broadcasting: paving the grass curtain and watering; spreading a layer of matrix soil with the thickness of 1.0-1.5cm on the straw curtain, spreading a layer of matrix soil with the thickness of 0.6-0.8cm on the second stem section after the second stem section is spread on the matrix, and then spreading water once; e. maintenance management: spraying 1-2 times of water every day within 5 days after the second stem segment is broadcast, spraying a rooting solution every 2-3 days, spraying a nutrient solution every 5-7 days after a new bud germinates, stopping spraying the nutrient solution after the matrix soil is completely covered by the grass seedling, and continuously spraying a growth retardant every 10 days; the growth retardant comprises 400-mg/L potassium dihydrogen phosphate, 140-mg/L daminozide and 10-30-mg/L naphthylacetic acid; (3) lifting seedlings, transporting and transplanting.

The cultivation method for quickly propagating the lawn provided by the invention has the beneficial effects that:

(1) the cultivation method for quickly breeding the lawn provided by the invention has the advantages that the quality of the lawn produced by breeding is good, and the lawn is thick, compact and solid.

(2) The cultivation method for rapidly propagating the lawn provided by the invention has the advantages of low production cost, short production period, high propagation rate, low requirements on production fields and conditions, annual production, easy operation, convenient transportation, labor and time saving.

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 is a detailed description of a cultivation method for rapid propagation of lawn provided by the embodiment of the present invention.

A cultivation method for lawn rapid propagation comprises the following steps:

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: removing impurities from vegetable garden land and then arranging the vegetable garden land into a seeding box bed; it should be noted that, in the present embodiment, in view of convenient operation, the seeding box bed is preferably a rectangular bed body with a width of 1.2m and a length of 2 m; in addition, considering that the substrate is rich in nutrition and beneficial to the growth of grass, and further selecting a vegetable garden with fertile and loose soil; in order to thoroughly decontaminate the vegetable garden field, which provides more space and nutrition for growing grass, the decontamination includes removing weeds and grass roots in the soil on the vegetable garden field.

b. The grass source is: cutting the creeping branches and the rhizomes of the adiantum capillus-veneris into first stem sections serving as seedlings; considering that the sprouting of new buds is facilitated, and the shortage of nutrition and growth space caused by excessive buds is avoided, 2-3 buds are reserved in the first stem section; considering that the first stem segment can be promoted to rapidly germinate adventitious roots, further, the first stem segment is soaked in 100 mg/L of naphthylacetic acid aqueous solution for 1h for standby.

It should be noted that, in this embodiment, the pseudostellaria yunnanensis is used as a grass seed, the rhizome is slender, the stem is soft and flexible, the stem grows through creeping on the ground, the internode tightly attached to the ground grows into an adventitious root, the vitality and the fertility are strong, the environment is not selected, and the pseudostellaria yunnanensis grows everywhere on a ridge, a roadside and a hillside. In this embodiment, considering that the operation of cutting the stolons and rhizomes of the halenia ciliata into stem segments is more convenient, the soil at the root of the halenia ciliata is removed.

c. Stem section broadcasting: after the first stem segment is sowed on the sowing box bed, a layer of soil is further sowed to cover the first stem segment, and it should be noted that in the embodiment, the step is favorable for further promoting rooting and sprouting; in the step, the particle size of the soil is preferably 0.4-0.6cm, and the thickness is preferably 1.2-1.6cm, so that the soil can be in contact with the seedlings more fully, and rooting is promoted; subsequently, in order to bring the first stem section into closer contact with the soil, the soil surface is further tapped with a shovel; then, considering that the seedlings are flooded due to excessive water application, an electric sprayer is further used for spraying a layer of atomized water on the soil surface to preserve moisture and promote growth.

d. Seedbed management: in order to meet the requirement of the first stem section for rooting on moisture, further, spraying water for 1-2 times every day within 5 days after the first stem section is broadcast, and further, spraying water to wet bed soil every time in order to avoid flooding roots caused by excessive moisture; then, in order to better promote the first stem section to take root, further spraying a rooting solution every 2-3 days to promote the rootstocks to generate adventitious roots and adventitious buds; after the sprouts germinate, in order to supplement nutrients and promote the growth of the grass seedlings, further spraying nutrient solution every 5 to 7 days;

in the embodiment, the rooting solution comprises 40-60 mg/L of synergized ketone, 10-30 mg/L of naphthylacetic acid and 5-15 mg/L of indolacetic acid; the inventor creatively discovers that the rooting solution prepared by adopting the components and the proportion thereof has excellent rooting effect and can lead the seedling to take root with obvious synergistic effect; the nutrient solution comprises 900-1100 mg/L urea, 180-220 mg/L monopotassium phosphate, 90-110 mg/L magnesium sulfate, 40-60 mg/L synergistic ketone, 10-30 mg/L gibberellin and 10-30 mg/L naphthylacetic acid; the inventor creatively discovers that the nutrient solution prepared by adopting the components and the proportion thereof has excellent effect of promoting the growth of grass seedlings and can enable the growth of seedlings to show obvious synergistic effect.

In order to achieve better root and growth promotion effects, the mass concentration of the synergistic ketone is 50 mg/L, the mass concentration of the naphthylacetic acid is 20 mg/L, and the mass concentration of the indoleacetic acid is 10 mg/L; the mass concentration of urea is 1000 mg/L, the mass concentration of monopotassium phosphate is 200 mg/L, the mass concentration of magnesium sulfate is 100 mg/L, the mass concentration of synergistic ketone is 50 mg/L, the mass concentration of gibberellin is 20 mg/L, and the mass concentration of naphthylacetic acid is 20 mg/L.

It should be noted that, after the mother grass garden is cultivated and constructed, the seed source is used for producing the lawn while breeding.

(2) Expanding propagation production: a. preparing matrix soil: in the embodiment, considering that the matrix soil needs to be loose, is breathable, has comprehensive and rich nutrients, and can retain water and fertilizer, further, the garden soil, the leaf mold and the turf are mixed according to the mass ratio of 5: 3: 2 mixing to form matrix soil; in order to enable the soil particles of the matrix soil to be in closer contact with the stem segments and be beneficial to rooting, the matrix soil is further sieved by a sieve with the aperture of 0.5-1 cm. Then removing impurities from the matrix soil for later use. In this example, in order to reduce the weed removal work during the lawn maintenance period, the substrate soil was watered 10 days earlier to sufficiently remove moisture, and the weeds on the surface of the substrate soil layer were promoted to germinate, emerge, grow and then eradicate.

b. Preparing a straw curtain: weaving dry straws into a straw mat; it should be noted that, in this embodiment, considering that the dry straw is a waste after harvesting local rice, and is used as a straw mat, the waste can be utilized, and the local materials are used, the resources are rich, the formation is fast after the lawn is transplanted, the soil organic matter can be increased after the lawn is decomposed in situ, and the growth of the lawn is facilitated; in the embodiment, for convenience of operation management and lawn transportation, the length of the grass curtain is set to be 1.2-1.5m, and the width is set to be 60-80 cm; considering that the straw can be saved and the transportation is convenient, further, the thickness of the straw mat is 1.5-2 cm.

c. Preparing lawn seedlings: shoveling the turf of the lawn grass garden together with roots, removing soil on the roots, shearing the glulon and the rootstock into second stem sections with 2-3 knots, and soaking the second stem sections in a 100/L naphthylacetic acid aqueous solution for 1 hour for later use.

d. Stem section broadcasting: paving the grass curtain and watering; it should be noted that, in order to facilitate transportation and operation, a field with spray irrigation conditions and smooth ground is selected to be paved with a straw mat; in order to facilitate management operation and watering, sidewalks are reserved between the grass curtains every 30 cm; considering that the matrix soil is a soil foundation for the grass segments to take root and sprout, waste is caused by the fact that the matrix soil is too thick, the thin matrix soil is not favorable for the grass segments to take root and grow, furthermore, a layer of matrix soil with the thickness of 1.0-1.5cm is paved on the grass curtain, a layer of matrix soil with the thickness of 0.6-0.8cm is scattered on the second stem segments to cover the second stem segments, and then water is scattered once;

e. maintenance management: spraying water to a wetting field and surface soil for 1-2 times every day within 5 days after the second stem section is broadcast; spraying rooting liquid every 2-3 days; spraying the nutrient solution every 5-7 days after the sprout is germinated, stopping spraying the nutrient solution when the substrate soil is completely covered by the grass seedling, and continuously spraying the growth retardant every 10 days.

It is noted that in order to control the excessive growth of the stem leaves, shorten the internodes, stimulate the growth of the root system, promote more adventitious roots to be formed at the internodes, increase the thickness of the leaves and the chloroplast content, dwarf and stout the grass seedlings and improve the cold resistance; further, the growth retardant comprises 400-600 mg/L potassium dihydrogen phosphate, 140-160 mg/L daminozide and 10-30 mg/L naphthylacetic acid; more preferably, the mass concentration of the potassium dihydrogen phosphate is 500 mg/L, the mass concentration of the daminozide is 150 mg/L, and the mass concentration of the naphthylacetic acid is 230 mg/L.

(3) Lifting seedlings, transporting and transplanting: after the new lawn is formed, the whole substrate is covered by the upper creeping stems and leaves, the adventitious root systems generated below the lawn are more and dense, and the substrate soil and the grass curtain are connected into a whole by downward growth; when the lawn mower is lifted and transported, the grass curtain and the substrate are directly rolled into a cylinder one by one, then the grass curtain and the substrate are bundled by the straw ropes, the straw ropes are untied after being transported to a planting place, and the straw ropes are directly paved into a lawn or can be divided as required. After the lawn is paved, the lawn is watered thoroughly, the lawn is contacted with the local soil, and the grass curtain can be used as an effective organic fertilizer after rotting.

The features and properties of the present invention are described in further detail below with reference to examples.

The embodiment provides a cultivation method for rapid propagation of lawn, which comprises the following steps:

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: selecting a vegetable garden land which is fertile and loose in soil, clearing weeds on the ground of the vegetable garden land and grass roots in soil, and then arranging the vegetable garden land into a rectangular seeding box bed with the width of 1.2m and the length of 2 m; b. the grass source is: cutting the grape branches and rhizomes of the zoysia japonica, of which the soil at the root is removed, into first stem sections with 2-3 buds reserved as seedlings; soaking the first stem segment in 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: the first stem section is sowed on a sowing box bed, then a layer of soil with the grain diameter of 0.4-0.6cm and the thickness of 1.2-1.6cm is scattered to cover the first stem section, and then a shovel is used for lightly tapping the soil surface; then, spraying a layer of atomized water to the soil surface by using an electric sprayer; d. seedbed management: spraying water to the wet bed soil for 1-2 times every day within 5 days after the first stem section is broadcast; then, spraying rooting solution every 2-3 days; spraying nutrient solution every 5-7 days after the sprout is germinated; the rooting liquid comprises 40-60 mg/L of synergistic ketone, 10-30 mg/L of naphthylacetic acid and 5-15 mg/L of indolacetic acid; the nutrient solution comprises 900-1100 mg/L urea, 180-220 mg/L monopotassium phosphate, 90-110 mg/L magnesium sulfate, 40-60 mg/L synergistic ketone, 10-30 mg/L gibberellin and 10-30 mg/L naphthylacetic acid;

(2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form matrix soil, and sieving with a sieve with a pore diameter of 0.5-1 cm. Watering the substrate soil for 10 days in advance, and removing the weeds after the weeds on the surface of the substrate soil layer germinate and grow; b. preparing a straw curtain: weaving a straw mat with the growth of 1.2-1.5m, the width of 60-80 cm and the thickness of 1.5-2cm by using dry straw; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, removing soil on the roots, shearing the glulon and the rootstock into second stem sections with 2-3 knots, and soaking the second stem sections in a 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; d. stem section broadcasting: paving a straw curtain on a field with spray irrigation conditions and smooth ground, and watering; leaving sidewalks every 30 cm between the grass curtains; spreading a layer of matrix soil with the thickness of 1.0-1.5cm on the straw curtain, then spreading a layer of matrix soil with the thickness of 0.6-0.8cm on the second stem section to cover the second stem section, and then spreading water once; e. maintenance management: spraying water to a wetting field and surface soil for 1-2 times every day within 5 days after the second stem section is broadcast; spraying rooting liquid every 2-3 days; spraying the nutrient solution every 5-7 days after the sprout is germinated, stopping spraying the nutrient solution when the substrate soil is completely covered by the grass seedling, and continuously spraying the growth retardant every 10 days; the growth retardant comprises 400-mg/L potassium dihydrogen phosphate, 140-mg/L daminozide and 10-30-mg/L naphthylacetic acid;

(3) lifting seedlings, transporting and transplanting.

Example 1

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: selecting a vegetable garden land which is fertile and loose in soil, clearing weeds on the ground of the vegetable garden land and grass roots in soil, and then arranging the vegetable garden land into a rectangular seeding box bed with the width of 1.2m and the length of 2 m; b. the grass source is: cutting the grape branches and the rootstocks of the zoysia matrella without the soil at the root into first stem sections with 2 buds as seedlings; soaking the first stem segment in 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: the first stem section is sowed on a sowing box bed, then a layer of soil with the particle size of 0.4cm and the thickness of 1.2cm is sowed to cover the first stem section, and then a shovel is used for lightly tapping the soil surface; then, spraying a layer of atomized water to the soil surface by using an electric sprayer; d. seedbed management: spraying water to wet bed soil for 1 time every day within 5 days after the first stem section is broadcast; then, spraying rooting solution every 2 days; spraying nutrient solution every 5 days after the sprout is germinated; the rooting solution comprises 40 mg/L of synergia ketone, 10 mg/L of naphthylacetic acid and 5 mg/L of indolacetic acid; the nutrient solution comprises 900 mg/L urea, 180 mg/L potassium dihydrogen phosphate, 90 mg/L magnesium sulfate, 40 mg/L light mg/L synergetic ketone, 10 mg/L gibberellin and 10 mg/L naphthylacetic acid;

(2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form matrix soil, and sieving with a sieve with a pore diameter of 0.5 cm. Watering the substrate soil for 10 days in advance, and removing the weeds after the weeds on the surface of the substrate soil layer germinate and grow; b. preparing a straw curtain: a straw curtain with the growth of 1.2m, the width of 60 cm and the thickness of 1.5cm is woven by using dry straws; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, removing soil on the roots, shearing the glulon and the rootstocks into second stem sections with 2 nodes reserved, and soaking the second stem sections in 100 mg/L of naphthylacetic acid aqueous solution for 1 hour for later use; d. stem section broadcasting: paving a straw curtain on a field with spray irrigation conditions and smooth ground, and watering; leaving sidewalks every 30 cm between the grass curtains; paving a layer of matrix soil with the thickness of 1.0cm on the straw curtain, then scattering a layer of matrix soil with the thickness of 0.6cm on the second stem section to cover the second stem section, and then scattering water once; e. maintenance management: spraying water to a wet field and surface soil for 1 time every day within 5 days after the second stem section is broadcast; spraying rooting liquid every 2 days; spraying the nutrient solution once every 5 days after the sprouts germinate, stopping spraying the nutrient solution after the matrix soil is completely covered by the grass seedlings, and continuously spraying the growth retardant once every 10 days; the growth retardant comprises 400 mg/L potassium dihydrogen phosphate, 140 mg/L daminozide and 10 mg/L naphthylacetic acid;

(3) lifting seedlings, transporting and transplanting.

Example 2

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: selecting a vegetable garden land which is fertile and loose in soil, clearing weeds on the ground of the vegetable garden land and grass roots in soil, and then arranging the vegetable garden land into a rectangular seeding box bed with the width of 1.2m and the length of 2 m; b. the grass source is: cutting the grape branches and the rootstocks of the zoysia matrella without the soil at the root into first stem sections with 3 buds as seedlings; soaking the first stem segment in 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: the first stem section is sowed on a sowing box bed, then a layer of soil with the particle size of 0.6cm and the thickness of 1.6cm is sowed to cover the first stem section, and then a shovel is used for lightly tapping the soil surface; then, spraying a layer of atomized water to the soil surface by using an electric sprayer; d. seedbed management: spraying water to wet bed soil for 2 times every day within 5 days after the first stem section is broadcast; then, spraying rooting solution once every 3 days; spraying nutrient solution every 7 days after the new buds germinate; the rooting solution comprises 60 mg/L of synergia ketone, 30 mg/L of naphthylacetic acid and 15 mg/L of indolacetic acid; the nutrient solution comprises 1100 mg/L urea, 220 mg/L monopotassium phosphate, 110 mg/L magnesium sulfate, 60 mg/L light-mg/L synergetic ketone, 30 mg/L gibberellin and 30 mg/L naphthylacetic acid;

(2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form matrix soil, and sieving with a sieve with a pore diameter of 1 cm. Watering the substrate soil for 10 days in advance, and removing the weeds after the weeds on the surface of the substrate soil layer germinate and grow; b. preparing a straw curtain: a straw mat with the growth of 1.5m, the width of 80 cm and the thickness of 2cm is woven by using dry straws; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, removing soil on the roots, shearing the glulon and the rootstocks into second stem sections with 3 nodes reserved, and soaking the second stem sections in 100 mg/L of naphthylacetic acid aqueous solution for 1 hour for later use; d. stem section broadcasting: paving a straw curtain on a field with spray irrigation conditions and smooth ground, and watering; leaving sidewalks every 30 cm between the grass curtains; paving a layer of matrix soil with the thickness of 1.5cm on the straw curtain, then scattering a layer of matrix soil with the thickness of 0.8cm on the second stem section to cover the second stem section, and then scattering water once; e. maintenance management: spraying water to a wetting field and surface soil for 2 times every day within 5 days after the second stem section is broadcast; spraying rooting liquid once every 3 days; spraying the nutrient solution every 7 days after the sprouts germinate, stopping spraying the nutrient solution after the matrix soil is completely covered by the grass seedlings, and continuously spraying the growth retardant every 10 days; the growth retardant comprises 600 mg/L potassium dihydrogen phosphate, 160 mg/L daminozide and 30 mg/L naphthylacetic acid;

(3) lifting seedlings, transporting and transplanting.

Example 3

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: selecting a vegetable garden land which is fertile and loose in soil, clearing weeds on the ground of the vegetable garden land and grass roots in soil, and then arranging the vegetable garden land into a rectangular seeding box bed with the width of 1.2m and the length of 2 m; b. the grass source is: cutting the grape branches and the rootstocks of the zoysia matrella without the soil at the root into first stem sections with 3 buds as seedlings; soaking the first stem segment in 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: the first stem section is sowed on a sowing box bed, then a layer of soil with the particle size of 0.5cm and the thickness of 1.5cm is sowed to cover the first stem section, and then a shovel is used for lightly tapping the soil surface; then, spraying a layer of atomized water to the soil surface by using an electric sprayer; d. seedbed management: spraying water to wet bed soil for 2 times every day within 5 days after the first stem section is broadcast; then, spraying rooting solution once every 3 days; spraying nutrient solution every 6 days after the new buds germinate; the rooting solution comprises 50 mg/L of synergized ketone, 20 mg/L of naphthylacetic acid and 10 mg/L of indolacetic acid; the nutrient solution comprises 1000 mg/L urea, 200 mg/L potassium dihydrogen phosphate, 100 mg/L magnesium sulfate, 50 mg/L light-activated carbon, 20 mg/L gibberellin and 20 mg/L naphthylacetic acid;

(2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form matrix soil, and sieving with a sieve with a pore diameter of 0.8 cm. Watering the substrate soil for 10 days in advance, and removing the weeds after the weeds on the surface of the substrate soil layer germinate and grow; b. preparing a straw curtain: a straw curtain with the growth of 1.4m, the width of 70 cm and the thickness of 1.8cm is woven by using dry straws; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, removing soil on the roots, shearing the glulon and the rootstocks into second stem sections with 3 nodes reserved, and soaking the second stem sections in 100 mg/L of naphthylacetic acid aqueous solution for 1 hour for later use; d. stem section broadcasting: paving a straw curtain on a field with spray irrigation conditions and smooth ground, and watering; leaving sidewalks every 30 cm between the grass curtains; paving a layer of matrix soil with the thickness of 1.2cm on the straw curtain, then scattering a layer of matrix soil with the thickness of 0.7cm on the second stem section to cover the second stem section, and then scattering water once; e. maintenance management: spraying water to a wetting field and surface soil for 2 times every day within 5 days after the second stem section is broadcast; spraying rooting liquid once every 3 days; spraying the nutrient solution once every 6 days after the sprouts germinate, stopping spraying the nutrient solution after the matrix soil is completely covered by the grass seedlings, and continuously spraying the growth retardant once every 10 days; the growth retardant comprises 500 mg/L potassium dihydrogen phosphate, 150 mg/L daminozide and 20 mg/L naphthylacetic acid;

(3) lifting seedlings, transporting and transplanting.

Comparative example 1

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: b. the grass source is: the beta-glucans and rhizomes of the pseudostellaria maximowicziana from which the soil at the root was removed were cut into first stem segments retaining 5 shoots as seedlings, and the rest of the procedure was referred to example 1.

Comparative example 2

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: b. the grass source is: the first stem section was soaked in 120 mg/L aqueous naphthylacetic acid for 1h for future use, and the rest of the procedure was as in example 1.

Comparative example 3

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: c. stem section broadcasting: the first stem section is sowed on a seeding box bed, and then a layer of soil with the grain diameter of 0.8cm and the thickness of 1.1cm is scattered to cover the first stem section, and the rest steps refer to the example 1.

Comparative example 4

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: d. seedbed management: spraying water to wet bed soil for 3 times every day within 5 days after the first stem section is broadcast; then, spraying rooting solution once every 1 day; after the sprout is germinated, spraying nutrient solution every 4 days, and referring to example 1 for the rest steps.

Comparative example 5

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: d. seedbed management: the rooting liquid comprises 30 mg/L of the synergized ketone, 40 mg/L of the naphthylacetic acid and 2 mg/L of the indoleacetic acid, and the rest steps refer to example 1.

Comparative example 6

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (1) cultivating a lawn mother grass garden: d. seedbed management: the nutrient solution comprises 800 mg/L urea, 250 mg/L monopotassium phosphate, 80 mg/L magnesium sulfate, 70 mg/L synergetic ketone, 8 mg/L gibberellin and 35 mg/L naphthylacetic acid, and the rest steps refer to example 1.

Comparative example 7

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 4: 3: 2 mixing to form a matrix soil, and referring to example 1 for the rest of the procedure.

Comparative example 8

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (2) expanding propagation production: a. preparing matrix soil: sieving the matrix soil with a sieve with a pore diameter of 1.2cm, and referring to the rest steps

Example 1.

Comparative example 9

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (2) expanding propagation production: b. preparing a straw curtain: the thickness of the straw mat was 1.2cm, and the rest of the procedure was as in example 1.

Comparative example 10

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (2) expanding propagation production: d. stem section broadcasting: a layer of matrix soil with the thickness of 0.8cm is paved on the straw curtain, then a layer of matrix soil with the thickness of 1cm is scattered on the second stem section to cover the second stem section, and the rest steps refer to the example 1.

Comparative example 11

The comparative example provides a cultivation method for rapid propagation of lawn, which is different from the example 1 in that: (2) expanding propagation production: e. maintenance management: the growth retardant comprises 300 mg/L potassium dihydrogen phosphate, 170 mg/L daminozide and 20 mg/L naphthylacetic acid, and the rest is shown in example 1.

Experimental example 1

The experimental method comprises the following steps: the method for cultivating the lawn according to the method for cultivating the lawn to rapidly propagate as provided in examples 1 to 3 and comparative examples 1 to 11 was set as experimental group 1 to 14, while the method for cultivating the lawn by the general method was set as experimental group 15, and the propagation of the new lawn was observed after the same time as shown in table 1:

TABLE 1 reproduction of the New lawns of the experimental groups 1-15

Group number	Reproduction of new lawns	Quality of new lawn
			1	Mother turf/m²Propagate for 24m²New lawn	Thick, dense and compact, well-formed grass
2	Mother turf/m²Propagate for 24m²New lawn	Thick, dense and compact, well-formed grass
			3	Mother turf/m²Propagation of 25m²New lawn	Thick, dense and compact, well-formed grass
4	Mother turf/m²Reproduction of 22m²New lawn	The thickness is general, the forming is better
			5	Mother turf/m²Breeding for 20m²New lawn	The thickness is general, the forming is better
6	Mother turf/m²Breeding for 20m²New lawn	The thickness is general, the forming is better
			7	Mother turf/m²Reproduction of 15m²New lawn	The thickness is general, the forming is better
8	Mother turf/m²Reproduction of 14m²New lawn	The thickness is general, the forming is better
			9	Mother turf/m²Reproduction of 14m²New lawn	The thickness is general, the forming is better
10	Mother turf/m²Propagate 18m²New lawn	The thickness is general, the forming is better
			11	Mother turf/m²Breeding for 20m²New lawn	The thickness is general, the forming is better
12	Mother turf/m²Propagate 18m²New lawn	The thickness is general, the forming is better
			13	Mother turf/m²Propagate 18m²New lawn	The thickness is general, the forming is better
14	Mother turf/m²Propagation of 13m²New lawn	The thickness is general, the forming is better
			15	Mother turf/m²Propagate 8m²New lawn	Loose lawn and poor shaping

As can be seen from the growth conditions of the new lawns in Table 1, the cultivation method for quickly reproducing the lawns, provided by the invention, has the advantages of high reproduction rate and good lawn quality; comparing the experimental groups 1-3 and 4-14, it can be seen that the lawn growth is better when the lawn is cultivated by using the parameters of the steps within the range provided by the embodiment of the invention.

In summary, the cultivation method for rapid propagation of lawn provided by the embodiment of the invention has the advantages of simple and convenient production process, high propagation speed, convenience in transplanting and transportation, good lawn forming effect after transplanting and the like, aiming at the defects of the lawn production market.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cultivation method for lawn rapid propagation is characterized in that: the method comprises the following steps:

(1) cultivating a lawn mother grass garden: a. selecting a nursery land: removing impurities from vegetable garden land and then arranging the vegetable garden land into a seeding box bed; b. the grass source is: cutting the creeping branches and the rhizomes of the zoysia japonica into first stem sections with 2-3 buds as seedlings, and soaking the first stem sections in 100 mg/L of naphthylacetic acid aqueous solution for 1h for later use; c. stem section broadcasting: after the first stem section is sowed on the sowing box bed, a layer of soil is sowed to cover the first stem section, and then water is sprayed once; d. seedbed management: spraying 1-2 times of water every day within 5 days after the first stem section is broadcast, spraying a rooting solution every 2-3 days, and spraying a nutrient solution every 5-7 days after a new bud germinates; the rooting solution comprises 40-60 mg/L of synergistic ketone, 10-30 mg/L of naphthylacetic acid and 5-15 mg/L of indolacetic acid; the nutrient solution comprises 900-1100 mg/L urea, 180-220 mg/L monopotassium phosphate, 90-110 mg/L magnesium sulfate, 40-60 mg/L beta-ketonic, 10-30 mg/L gibberellin and 10-30 mg/L naphthylacetic acid;

(2) expanding propagation production: a. preparing matrix soil: mixing vegetable garden soil, leaf mold soil and turf according to a mass ratio of 5: 3: 2 mixing to form the matrix soil, and removing impurities from the matrix soil for later use; b. preparing a straw curtain: weaving dry straws into a straw mat; c. preparing lawn seedlings: shoveling the turf of the lawn parent grass garden together with roots, shearing the grape-like branches and the roots into second stem sections with 2-3 knots, and soaking the second stem sections in a 100 mg/L naphthylacetic acid aqueous solution for 1h for later use; d. stem section broadcasting: paving the straw curtain, and watering; spreading a layer of the matrix soil with the thickness of 1.0-1.5cm on the grass curtain, spreading a layer of the matrix soil with the thickness of 0.6-0.8cm on the second stem section after the second stem section is spread on the matrix soil, and then spreading water once; e. maintenance management: spraying 1-2 times of water every day within 5 days after the second stem section is broadcast, spraying the rooting liquid every 2-3 days, spraying the nutrient solution every 5-7 days after the new buds germinate, stopping spraying the nutrient solution after the matrix soil is completely covered by the grass seedlings, and continuously spraying the growth retardant every 10 days; the growth retardant comprises 400-mg/L potassium dihydrogen phosphate, 140-mg/L daminozide and 10-30-mg/L naphthylacetic acid;

(3) lifting seedlings, transporting and transplanting.

2. The cultivation method for rapidly propagating lawns according to claim 1, wherein the rooting solution comprises 50 mg/L of the acetogenin, 20 mg/L of the naphthylacetic acid and 10 mg/L of the indoleacetic acid.

3. A cultivation method for lawn rapid propagation according to claim 2, wherein the nutrient solution comprises 1000 mg/L urea, 200 mg/L potassium dihydrogen phosphate, 100 mg/L magnesium sulfate, 50 mg/L ketonic-enhancing, 20 mg/L gibberellin and 20 mg/L naphthylacetic acid.

4. A cultivation method for rapidly propagating lawn as claimed in claim 3, wherein said growth retardant comprises 500 mg/L of said potassium dihydrogen phosphate, 150 mg/L of said daminozide and 20 mg/L of said naphthylacetic acid.

5. The method for cultivating lawn to propagate rapidly as claimed in claim 1, wherein the stem section is sprayed in the step (1) with water in the form of mist.

6. A method of growing lawn for rapid reproduction as claimed in claim 1, wherein said soil has a grain size of 0.4-0.6cm and a thickness of 1.2-1.6cm in the stem section broadcasting in step (1).

7. A method for cultivating lawn to propagate rapidly as claimed in claim 1, wherein the step of preparing the substrate soil in step (2) further comprises sieving the substrate soil with a sieve having a pore size of 0.5-1.0 cm.

8. A cultivation method for rapid propagation of lawn as claimed in claim 1, wherein in step (2), said grass curtain has a thickness of 1.5-2 cm.

9. A method for growing lawn of claim 1, wherein the grass source in step (1) further comprises: removing soil at the root of the iron wire grass; the lawn seedling preparation in the step (2) further comprises the following steps: removing soil from the root of the turf.