CN109511474A - A kind of Central China Bermuda lawn covers the method for broadcasting rye grass - Google Patents
A kind of Central China Bermuda lawn covers the method for broadcasting rye grass Download PDFInfo
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- CN109511474A CN109511474A CN201811545661.7A CN201811545661A CN109511474A CN 109511474 A CN109511474 A CN 109511474A CN 201811545661 A CN201811545661 A CN 201811545661A CN 109511474 A CN109511474 A CN 109511474A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The invention discloses a kind of Central China Bermuda lawn cover broadcast rye grass method, this method include the set of rye grass broadcast in treatment process to two kinds of careless processing and Bermuda grass second year turn green growth after in the transition period growth course control.Rye grass has good growth vigor after the present invention is implemented; quickly form healthy and strong, graceful lawn; lawn is avoided withered and yellow phenomenon occur; inhibit Ryegrass Growth while promoting Bermuda grass to turn green and grow simultaneously; it accelerates set and broadcasts lawn conversion; and original Bermuda grass is protected to grow, this method is suitable for Central China, is worth the effect on lawn and reaches best.
Description
Technical field
The invention belongs to garden afforestation technology fields, cover broadcasting method in particular to a kind of careless class, more particularly to a kind of
Central China, lawn, Bermuda covers the method for broadcasting rye grass.
Background technique
Lawn has purification air, adsorbs dust, prevents noise, takes drugs, and reduces soil erosion, improves soil texture, beauty
The effects of changing city, improving urban ecology.
Central China's weather has summer high temperature sweltering heat, and the feature of winter low temperature cold in turf grass species selection, and is divided
Supplement feeding and season type grass seeds, both Shortcomings, such as cool-season grasses, the green phase is long but summer maintenance management is difficult, resists
Heat, drought-resistant ability are poor, and season type grass then has stronger heat-resisting disease resistance in summer, but in autumn and winter and spring coolness
It stops growing under weather conditions, is transferred to suspend mode, careless color is withered and yellow.
The autumn set of warm-season turf broadcasts technology and starts from the seventies and eighties in 20th century, be widely used in same climate zone its
The warm-season turf of its purposes.And autumn set is broadcast different from common lawn planting and after-culture, is needing to consider acquisition high quality
While the short-term cold-season type lawn broadcast using set, the influence and injury to original suspend mode warm-season turf are reduced to the greatest extent again.
Autumn set is broadcast while obtaining ideal winter lawn, will be inevitably to time of the warm-season turf of suspend mode
Year growth has some impact on, and the resistance to set of different warm season turfs broadcasts ability difference, wherein Bermuda grass (short raw Bermuda)
Tolerance is most strong, and the tolerance of the grass seeds such as Korea lawn grass (Manila), seashore paspalum and Herba Stenotaphri helferi is poor, if selecting grass seeds
Improper and management measure is ineffective, will cause season type grass seeds compared with major injury.
The advantages that short raw Bermuda has leafage intensive, short, and leaf color is light green and thin and delicate, and stem is slightly short, and be resistant to frequent
It cradles, and is easy to repair after trampleing on.Central China is up to 280 days or so green viewing period, and short raw Bermuda not only has centainly
Cold resistance, pest and disease damage is few, and has certain drought-resistant property, and the autumn set for being very suitable to cool-season grasses is broadcast.
Cool-season grasses are broadcast in the uncomfortable trap of season type grass that Central China plants extensively, main cause there are 2: first is that horse Buddhist nun
Although drawing lawn withered and yellow suspend mode in winter, its happiness sunlight, not shade tolerant ecological habit are unchanged, put aside nutrient for turning green for the coming year
And energy, and the cold-season type lawn vigorously grown in winter has just deprived its this ecological habit, cold-season type lawn plant hides
Intake of the manilagrass lawn to sunlight has been kept off, manilagrass lawn undergrowth or even large area when turning green in the coming year are directly resulted in
It is dead.The grass layer of followed by manilagrass lawn is intensive, especially the lawn of perennation, it is horizontal walk rhizome and stolon packing
Staggeredly, compactness is high, broadcasts if carrying out conventional set, covers the cold-season-type grass-seed broadcast and is obstructed by the closely knit grass layer in Manila, Hen Duocao
Seed can not reach dirt bed, but stay in the grass layer of Manila, in addition the environmental quality of rainwater and closely knit grass layer poor air permeability, leads
It causes grass-seed to rot, seriously affects the germination percentage for the cold-season-type grass-seed that set is broadcast.
Summary of the invention
The object of the present invention is to provide a kind of warm-season turf sets suitable for Central China to broadcast technical method, and this method is not only
The withered and yellow phenomenon of winter warm-season turf is eliminated, and will not influence the growth of second year season type grass seeds.
In order to achieve the object of the present invention, by a large number of experiments research and unremitting effort, following technical solution is finally obtained:
A kind of Central China Bermuda lawn covers the method for broadcasting rye grass, broadcasts processing and its conversion period management including the set to rye grass,
It is specific as follows:
The set of the rye grass broadcasts processing
(1) in 7-8 month before set is broadcast, control Bermuda lawn uses fertilizer and water consumption, with low fertilising 45g/m2Based on, often
Moon fertilising is primary, does not rain such as after fertilising and pours water, each water irrigating depth is advisable with being impregnated with topsoil 6-8cm, is existed every time
Native table 2-3cm soil layer needs to pour water to lawn when dry；
(2) 9-10 month is arrived, when local climate temperature is 22-28 DEG C, selected in continuous rainy weather, to Bermuda lawn
Strong trimming extremely dew soil is carried out, then to soil comb whole one time, is grown with sharp new rye grass grass seeds implantation of broadcasting, finally on Bermuda lawn
Upper sowing rye grass, according to turf quality, rye grass application rate is 25-100g/m2, after planting gently suppress, and cover many
In the sandy soil layer of 0.5cm, so that grass seeds comes into full contact with soil；
(3) it after planting pours water immediately, irrigation frequency is repeatedly for principle, once in the morning and once at night, to use application rate of sprinkler irrigation in one day on a small quantity
Lesser spray irrigation system avoids seed from being washed with spray water sprinkling irrigation, and each water irrigating depth is advisable with being impregnated with topsoil 3-5cm,
Earth's surface is avoided to have ponding, with the development on lawn, frequency of irrigation is accordingly reduced, and each irrigation quantity accordingly increases, and pays attention to control spray
Fill system keeps the humidity of level ground bed during germination, meanwhile, because autumn hands over sowing time temperature to begin to decline, water unsuitable excessive, otherwise
It is easy to cause seedling that disease occurs, sprinkling irrigation number is gradually decreased after Cheng Ping, in favor of the growth of lawn root system；
(4) sowing the same day after pouring water completion, covering non-woven fabrics, from top to bottom smooth covering, edge extension 30cm are solid in time
Fixed, two width, which connect, is superimposed 10cm, is then fixed, and constant spacing is no less than 100cm, grows to 2-3cm or 1-2 piece to rye grass
Ye Shi throws off non-woven fabrics；If temperature lower than 15 DEG C and when surface temperature is lower than 10 DEG C, need to carry out covering and heat insulating processing to lawn；
(5) start to apply fertilizer when rye grass length to 2-4 leaf, the compound fertilizer that application N P and K is 3:1:2 avoids excessively applying nitrogen
Otherwise fertilizer easily causes seedling disease resistance to decline or burn, hereafter primary every fortnight fertilising, is advisable with nitrogenous fertilizer, after broadcasting
10-12 weeks, the dedicated iron fertilizer in iron-containing lawn is applied, is sprayed within every 1-2 weeks once, and spray, water irrigating depth is to be impregnated with surface layer
Native 3-5cm is advisable, and earth's surface is avoided to have ponding, and native table 2-3cm soil layer needs to pour water to lawn when dry；
(6) it carries out cutting grass for the first time when lawn height reaches 7-8cm, mowed height 5cm is repaired every 25d later
It cuts once, until mid or late Febuary；
The conversion period management refers specifically to broadcast the lawn of rye grass after second year Bermuda grass starts to turn green growth when set
Processing, specifically include:
(1) cutting range is reduced when turf-mown, increases Pruning frequency, specially since mid or late Febuary, every 15d
Trimming is primary, height for the stubble left 3cm, until mid-March, trimming is primary weekly, height for the stubble left 2cm；
(2) nitrogen fertilizer amount and irrigation amount are controlled, specially since mid or late Febuary, spring early growth period applies annual nitrogen
The 40% of fertile dosage, to apply 10-20kg/667m per acre2Urea is advisable, and rain is best in 12h or after fertilising in 12h after rain
Fertilising opportunity, summer apply the 35% of annual nitrogen fertilizer amount.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, and the Bermuda grass is short life
Bermuda.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, and the rye grass is that hybridization is black
Wheat straw.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, when set broadcasts processing, according to lawn
Quality is different, and rye grass application rate is different, specially common greening lawn, application rate 25-30g/m2, it is desirable that higher lawn
Application rate be 40-60g/m2, the application rate on high quality low trimming movement lawn is 60-100g/m2。
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, to Bermuda lawn before sowing
Low trimming is carried out, control lawn height is 1-2cm.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, uses puncher knot before sowing
It closes combing and plays the role of the litter layer that loosens the soil and remove.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, and the dedicated iron fertilizer of application is 3%
Ferrous sulfate solution.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, during converting period management, carries out
Comb grass, vertical trimming and punching processing.
Moreover, it is desirable to prevention and treatment pest and disease damage processing is carried out according to the upgrowth situation of grass,
Specifically from mid-May to early June, continuous 3 times pre- disease preventions of going and buy Chinese medicine, beginning in -15 days on the 10th May is for the first time
Preventative laxative, using 5% 500 times of aqueous solutions of jinggangmycin, for the second time in late May, using 5% jinggangmycin 500
Times aqueous solution 800 times of liquid of+25% metalaxyl wettable powder, for the third time in early June, using 25% metalaxyl wettable powder
800 times of liquid.
Killed simultaneously using insecticide and endanger the pest on lawn, including nocturnal moth class larva, mythimna separata, snail worm, grub, mole cricket,
Ant etc. eats leaf and food root pest, and common insecticide has dimehypo, kills chrysanthemum rouge, when prevention and treatment to lawn carry out it is low cut, then
It is sprayed again.
Preferably, Central China Bermuda as described above lawn covers the method for broadcasting rye grass, the nitrogen-phosphorus-potassium compound fertilizer
It is the compound fertilizer that nitrogen phosphoris and potassium fertilizer ratio is 3:1:2.
The present invention compared with the existing technology, has the following technical effect that
(1) the method for the present invention is by the relevant parameter in control sowing treatment process, so that after planting rye grass is with good
Good growth vigor, promotes it to take root, grow as early as possible, forms healthy and strong, graceful lawn, lawn is avoided withered and yellow phenomenon occur.
(2) it is controlled by the growth of transition period, inhibits Ryegrass Growth while promoting Bermuda grass to turn green and grow, add
Fast set broadcasts lawn conversion, and original Bermuda grass is protected to grow.
(3) the method for the present invention is suitable for Central China, and lawn can be made evergreen throughout the year, and effect value reaches best.
Specific embodiment
Technical solution of the present invention is clearly and completely described below with reference to embodiment, the following example is only used for
Illustrate the present invention, and is not construed as limiting the scope of protection of the present invention.In addition, particular technique operating procedure is not specified in embodiment
Or condition person, described technology or conditions or carried out according to the literature in the art according to product description.Examination used
Production firm person is not specified in agent or instrument, and being can be with conventional products that are commercially available.
EDTA- Fe is measured according to following table evaluation criteria in following embodiments
1 lawn evaluation criteria of table
One piece of greening Bermuda lawn is chosen, lawn size is 10 × 10m, and set broadcasts Hybrid ryegrass, rye grass sowing
Amount is 30g/m2。
Sowing
That short raw Bermuda is suitably reduced within 2 months before set is broadcast uses fertilizer and water consumption, with low fertilising 45g/m2Based on, monthly
Fertilising is primary, does not rain such as after fertilising and pours water, each water irrigating depth is advisable with being impregnated with topsoil 6-8cm, every time in soil
Table 2-3cm soil layer needs to pour water to lawn when dry, reduces competition of the set sowing time Bermuda to rye grass, set will be to short before broadcasting
The low trimming of life Bermuda progress, height control combine to comb to play and loosen the soil and remove litter layer work in 1~2cm with puncher
With coming into full contact with grass seeds with soil, in favor of the germination and growth of ryegrass seed.
To 9-10 month, when local climate temperature is 22-28 DEG C, selection in continuous rainy weather, to Bermuda lawn into
The strong trimming of row extremely dew soil, then soil comb whole one time is grown, finally with sharp new rye grass grass seeds implantation of broadcasting with tooth harrow or grass dressing machine
Rye grass is sowed on the lawn of Bermuda, for uniformly sowing, the lawn that area is larger, more demanding is generally broadcast using vertical
Kind of machine cross sowing in line 2 times, if the lesser common greening lawn of area, can manually spread seed sowing, but should avoid wind-force compared with
Big Shi Jinhang, to common greening lawn, the general 25-30g/m of ryegrass seed application rate2, it is desirable that higher lawn application rate can
It improves to 40-60g/m2, the high quality such as golf course low trimming movement lawn application rate even reaches 60-100g/m2.After planting
It is gently made real with spade or small plank, and covers the sandy soil layer for being less than 0.6cm, so that grass-seed comes into full contact with soil, after planting
It should water, to prevent seed washed away, need using moderate pressure, the uniform spray head of sprinkling.Sowing simultaneously is poured water after completion
The same day covers non-woven fabrics in time, from top to bottom smooth covering, and edge, which extends 30cm, to be fixed, and two width, which connect, is superimposed 10cm, then uses
Bamboo chopsticks are fixed, and constant spacing is no less than 100cm, when rye grass grows to 2-3cm or 1-2 piece leaf, non-woven fabrics are thrown off, if gas
Temperature is lower than 15 DEG C, and surface temperature need to carry out covering and heat insulating maintenance to lawn with agricultural film when being lower than 10 DEG C.
English ryegrass starts to germinate under good growing weather and moisture condition after 3 days, 7-10 days can tidy seedlings output, be
Accelerate planting, when sowing can apply a small amount of compositing seeding fertilizer, and set is broadcast latter 10-14 days to be started to apply fertilizer when rye grass grows to 2-4 leaf, apply
It is 3:1:2 compound fertilizer with N P and K, avoids excessive nitrogen fertilizer application, it is hereafter primary every fortnight fertilising, it is advisable with nitrogenous fertilizer, after broadcasting
10-12 weeks, the dedicated iron fertilizer in iron-containing lawn is applied, that is, sprays 3% ferrous sulfate solution, is sprayed within every 1-2 weeks once, and sprayed
It fills, water irrigating depth is advisable with being impregnated with topsoil 3-5cm, is avoided earth's surface from having ponding, is needed when native table 2-3cm soil layer is dry to grass
It pours water on level ground.
Trimming
Lawn height carries out cutting grass for the first time when reaching 7-8cm, and mowed height 5cm trims one every 25d later
It is secondary, until mid or late Febuary, primary every 15d trimming since mid or late Febuary, height for the stubble left 3cm, until mid-March, repairs weekly
It cuts once, height for the stubble left 2cm makes meadow growing height be maintained at 6 to 8 centimetres of height, begins to trim more than 10 centimetres, 6
The moon-August moving frequency will be reduced suitably, make lawn height be generally kept in 8 to 10cm (common meadows), with reduce plant and
The chance that soil dehydration and disease are invaded from wound reinforces comb grass and hugs grass, removes deadwood and rotten leaf, periodically spray potassium dihydrogen phosphate.
Fertilising
When rye grass it is long to 2-4 leaf when start to apply fertilizer, application N P and K is 3:1:2 compound fertilizer, 15 days nitrogen fertilizer applications again later,
Simultaneous to apply compound fertilizer, compound fertilizer applies 20 kilograms or so based on phosphoric acid diamines per acre.Nitrogenous fertilizer applies 10-15kg based on urea per acre
Left and right, can also foliage-spray potassium dihydrogen phosphate nutrient solution, promote absorb, concentration is in 0.1%-0.2%.Lawn fertilising is uniform,
Fertilizer point half can be applied thus from both direction, to water in time after fertilising, dissolve fertilizer sufficiently, promote root system to nutrient
Absorption, water irrigating depth is advisable with being impregnated with topsoil 3-5cm, avoids earth's surface from having ponding, needs when native table 2-3cm soil layer is dry
It pours water, broadcasts latter 10-12 weeks to lawn, apply the dedicated iron fertilizer in iron-containing lawn, that is, spray 3% ferrous sulfate solution, spray within every 1~2 week
It applies primary.
Watering
Generally every 5-7 days of hot-dry season pour sooner or later 1 time it is permeable, moisten root and reach 10-15cm, other seasons pour
Water has certain humidity to be advisable with soil protection root, but does not spray such as when watering preferably with multidirectional spray, keeps irrigating equal
It is even, it saves water, while removing careless face dust again.
Punching, fork soil ventilation
Punching, fork soil are needed to lawn every year ventilation 1-2 times, large area lawn puncher, when punching, fork soil ventilation are best
Between in annual early spring, after punching, lid sand is filled out on lawn, then sand heap is swept uniformly with tooth harrow, hard broom, makes sand
Go deep into hole, persistently breathe freely, while improving deep soil infiltration situation, careless face burial depth does not exceed 0.5cm, in small area
And ventilate on light loam lawn, it can be pitched with digging fork by 8-10cm spacing and depth pick, plug is straight directly to be gone out, in order to avoid take up soil
Block pitches the convertible different size of different soil properties, if it has not, the work such as shovel can also be used, some level ground grass roots system is can be cut off when cutting up with a hay cutter in shovel,
Promote root system vigorous growth.
Remove weeds
Chemical weed control uses efficient, low toxicity, the medicament of low-residual, such as 2,4-D butyl ester, dimethyl tetrachloride, prometryn, green wheat
Grand etc. to prevent and kill off broadleaf weeds, when use, should carry out small area test, carry out large area control again after success, prevent and treat within 20 to 30 days
Once.
Insect pest preventing and controlling
Mid-May to early June, continuous 3 times pre- disease preventions of going and buy Chinese medicine, beginning in -15 days on the 10th May is preventative for the first time to beat
Medicine, using 5% 500 times of aqueous solutions of jinggangmycin, second in late May, using 5% 500 times of aqueous solutions of jinggangmycin+
25% 800 times of metalaxyl wettable powder liquid, for the third time in early June, using 25% metalaxyl wettable powder, 800 times of liquid,
The pest for endangering lawn has the food leaf such as nocturnal moth class larva, mythimna separata, snail worm, grub, mole cricket, ant and food root pest, commonly kills
Worm agent has dimehypo, kills chrysanthemum rouge, when prevention and treatment to lawn carry out it is low cut, be then sprayed again.
Rye grass set is carried out according to above-mentioned main points and broadcasts the experiment of Bermuda lawn, and rye grass after planting 15 days, emergence rate reached
97.8%, with 1 lawn evaluation criteria of table, monthly the end of month gives a mark, it is found that of that month scoring is sowed in rye grass in the lawn is 10 points
Outside, other monthly scores 13-17/, while the identical soil of other two pieces of areas is chosen, according to above-mentioned main points point
Bermuda grass and rye grass are not planted not individually, and discovery Bermuda grass is monthly being scored at 12-16 points in addition to winter, and winter is then 0-
2 points, rye grass winter is scored at 8-12 points, and other seasons are then 3-5 points, it is seen that are suitable for according to the method for the present invention in Bermuda
Lawn set broadcasts rye grass, has taken into account the growth of Bermuda grass and rye grass, has kept lawn evergreen throughout the year, ornamental value reaches most
It is good, and to single lawn, since main points each in present invention control not up to respectively grows institute's optimum range, lead to single grass
Growth potential fails to discharge completely.
Claims (10)
1. a kind of Central China Bermuda lawn covers the method for broadcasting rye grass, which is characterized in that this method includes the set of rye grass
Broadcast processing and its conversion period management；
The set of the rye grass broadcasts processing
(1) in 7-8 month before set is broadcast, control Bermuda lawn uses fertilizer and water consumption, with low fertilising 45g/m2Based on, monthly apply
It is fertile primary, it does not rain such as after fertilising and pours water, each water irrigating depth is advisable with being impregnated with topsoil 6-8cm, every time in native table
2-3cm soil layer needs to pour water to lawn when dry；
(2) 9-10 month is arrived, when local climate temperature is 22-28 DEG C, selection carries out Bermuda lawn in continuous rainy weather
Strong trimming is native to revealing, then to soil comb whole one time, finally rye grass is sowed on the lawn of Bermuda, according to turf quality, rye
Careless application rate is 25-100g/m2, after planting gently suppress, and cover the sandy soil layer for being no less than 0.5cm；
(3) it after planting pours water immediately, irrigation frequency repeatedly for principle, once in the morning and once at night, to be sprayed for one day in a manner of spray water on a small quantity
It fills, each water irrigating depth is advisable with being impregnated with topsoil 3-5cm, avoids earth's surface from having ponding, with the development on lawn, frequency of irrigation phase
It should reduce, each irrigation quantity accordingly increases, the humidity of level ground bed during germination is kept, meanwhile, under handing over sowing time temperature to start because of autumn
Drop waters unsuitable excessive, sprinkling irrigation number is gradually decreased after Cheng Ping, in favor of the growth of lawn root system；
(4) sowing the same day after pouring water completion, covering non-woven fabrics, from top to bottom smooth covering, edge extension 30cm are fixed in time, and two
Width, which connects, is superimposed 10cm, is then fixed, and constant spacing is no less than 100cm, when rye grass grows to 2-3cm or 1-2 piece leaf,
Throw off non-woven fabrics；If temperature be lower than 15 DEG C, and surface temperature be lower than 10 DEG C when, to lawn carry out covering and heat insulating processing；
(5) when rye grass it is long to 2-4 leaf when start to apply fertilizer, nitrogen-phosphorus-potassium compound fertilizer is applied, hereafter every fortnight nitrogen fertilizer application one
It is secondary, it broadcasts latter 10-12 weeks, applies the dedicated iron fertilizer in iron-containing lawn, spray within every 1-2 weeks once, and spray, water irrigating depth is to soak
Saturating topsoil 3-5cm is advisable, and earth's surface is avoided to have ponding, and native table 2-3cm soil layer needs to pour water to lawn when dry；
(6) it carries out cutting grass for the first time when lawn height reaches 7-8cm, mowed height 5cm trims one every 25d later
It is secondary, until mid or late Febuary；
The conversion period management refers to when set broadcasts processing of the lawn of rye grass after next year Bermuda grass starts to turn green growth, tool
Body includes:
(1) cutting range is reduced when turf-mown, increases Pruning frequency, specially since mid or late Febuary, is trimmed every 15d
Once, height for the stubble left 3cm, until mid-March, trimming is primary weekly, height for the stubble left 2cm；
(2) nitrogen fertilizer amount and irrigation amount are controlled, specially since mid or late Febuary, spring early growth period is applied annual nitrogenous fertilizer and used
The 40% of amount, to apply 10-20kg/667m per acre2Urea is advisable, rainy for best fertilising in 12h or after fertilising in 12h after rain
Opportunity, summer apply the 35% of annual nitrogen fertilizer amount.
2. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: described hundred admire
Big grass is short raw Bermuda.
3. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: the rye
Grass is Hybrid ryegrass.
4. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: set broadcasts processing
When, according to turf quality difference, rye grass application rate is different, specially common greening lawn, application rate 25-30g/m2,
The application rate for asking higher lawn is 40-60g/m2, the application rate on high quality low trimming movement lawn is 60-100g/m2。
5. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: right before sowing
Bermuda lawn carries out low trimming, and control lawn height is 1-2cm.
6. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: adopted before sowing
Play the role of the litter layer that loosens the soil and remove in conjunction with combing with puncher.
7. according to claim 1 Central China, lawn, Bermuda cover broadcast rye grass method, it is characterised in that: application it is special
It is 3% ferrous sulfate solution with iron fertilizer.
8. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: transition period pipe
During reason, comb grass, vertical trimming and punching processing are carried out.
9. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: from 5 months
Ten days to early June, continuous 3 times pre- disease preventions of going and buy Chinese medicine, beginning in -15 days on the 10th May first time preventative laxative, using 5% well
500 times of aqueous solutions of hilllock mycin, second in late May, wettable using 5% 500 times of+25% metalaxyls of aqueous solution of jinggangmycin
Property 800 times of liquid of pulvis, for the third time in early June, using 25% metalaxyl wettable powder, 800 times of liquid.
10. Central China, lawn, Bermuda covers the method for broadcasting rye grass according to claim 1, it is characterised in that: described
Nitrogen-phosphorus-potassium compound fertilizer is the compound fertilizer that nitrogen phosphoris and potassium fertilizer ratio is 3:1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113273447A (en) * | 2021-06-09 | 2021-08-20 | 元合玲 | Interplanting method for supplementing withered and yellow periods of manila lawns |
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