CN109089744A - A method of constructing bermuda grass turf on tropical forest insect islands and reefs - Google Patents
A method of constructing bermuda grass turf on tropical forest insect islands and reefs Download PDFInfo
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- CN109089744A CN109089744A CN201810672105.XA CN201810672105A CN109089744A CN 109089744 A CN109089744 A CN 109089744A CN 201810672105 A CN201810672105 A CN 201810672105A CN 109089744 A CN109089744 A CN 109089744A
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- bermuda grass
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Classifications
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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
Abstract
The present invention relates to turf establishment fields, a kind of method constructing bermuda grass turf on tropical forest insect islands and reefs is provided, to be suitable for the China domestic Bermuda grass kind in tropic reef corals reef rim border as material, utilize the measure of seedling stem planting method and slight improvement soil, in conjunction with the turf method of shipment of improvement, the purpose on the quick planting high quality lawn on tropical forest insect islands and reefs is realized.The lawn of method provided by the invention building only need 2 weeks or so can Cheng Ping, and after Cheng Ping turfgrass survival rate 95% or more, high survival rate, Turf quality height, landscape effect are good.Simultaneously, the cost of the plantings materials such as China domestic Bermuda grass kind, modifying agent and the nitrogen-phosphorus-potassium compound fertilizer that method provided by the invention uses is low, the planting cost for significantly reducing tropical forest insect islands and reefs lawn can maintain higher Turf quality and landscape effect in the case where only relying on natural precipitation.
Description
Technical field
The present invention relates to turf establishment technology fields, and in particular to one kind constructs bermuda grass turf on tropical forest insect islands and reefs
Method.
Background technique
Tropical forest insect islands and reefs refer mainly to the coral island of tropical area.Related islands and reefs surface soil structure and physicochemical property
Difference, majority are coral sand, and particle is thicker, and preservation capacity of water and fertility is poor, strong basicity.And the sun spoke of tropical forest insect islands and reefs their location
It penetrates greatly, moisture evaporation is fast, and plant is not easy to survive on tropical forest insect islands and reefs.Meanwhile the surface vegetation on tropical forest insect islands and reefs
Shortage also will affect its ecological environment.
In tropical forest insect islands and reefs ecological constructions early period, the Eco-environmental Characteristics shortage of tropical forest insect islands and reefs is filled by relevant unit
The understanding divided directly utilizes the materials progress tropic reef corals such as the upper common external import Bermuda grass of production, Korea lawn grass, paspalum vaginatum
Reef turf establishment, leads to that the lawn survival rate of institute's planting is low, Turf quality is poor, at high cost, and most of has completely lost
Function possessed by lawn.It is not only resulted in such a way that import lawn species construct lawn on tropical forest insect islands and reefs at present
Early period huge planting expense waste, and be unable to satisfy demand of the tropical forest insect islands and reefs to high quality lawn.
Bermuda grass (Cynadon spp.) is one of global dispersed species and most important warm season grassplot grass.Bermuda grass money
Source has extensive hereditary variation, is distributed widely in Perenniporia martius all over the world, is mainly used in feed stripped, grass
Level ground and its soil protection and reparation, and the most common turfgrass of ecological recoveries such as salt-soda soil, deserted mountain now.China's application at present
More Bermuda grass kind be mainly the U.S. cultivate old kind, such as ' Tifway ', ' Tifgreen ', entirety resistance compared with
It is weak, it is poor in the performance of tropical forest insect islands and reefs, ideal landscape effect cannot be reached.
Summary of the invention
The present invention in order to solve the problems, such as that lawn survival rate is low on tropical forest insect islands and reefs in the prior art, maintenance costs is high,
A kind of method that Bermuda grass lawn is constructed on tropical forest insect islands and reefs is provided, planting speed is fast, late maintaining is low, lawn survives
Rate is high.
To solve the above-mentioned problems, the present invention provides following technical schemes:
The method that the present invention provides a kind of to construct bermuda grass turf on tropical forest insect islands and reefs, comprising the following steps:
(1) China domestic Bermuda grass is trimmed, shovel grass obtains the turf containing China domestic dog tooth seedling stem, and desinsection is handled and killed
After bacterium processing, in the bubble chamber sealing transport to tropical forest insect islands and reefs containing ice bag；
(2) it waits for applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer at turf establishment to tropical forest insect islands and reefs, turn over, after obtaining improvement
Level ground bed；
The modifying agent includes the coco bran that red soil, decomposed manure and EC value are not higher than 2.0mS/cm；
(3) on the level ground bed China domestic Bermuda grass seedling stem being implanted in after the improvement by seedling stem grafting, after transplanting
Fine sand is covered on level ground bed surface and irrigates bottom water, and level ground bed top covers sunshade net；
(4) level ground bed is suppressed in second day for transplanting China domestic Bermuda grass, every in 2 weeks after transplanting China domestic Bermuda grass
Day sprays water 1~2 time, normally conserves behind 2 weeks after transplanting China domestic Bermuda grass.
Preferably, in the step (1), the cutting range is 5~10cm.
Preferably, in the step (1), shovel grass is carried out after the trimming of centering foundation of a nation mole cricket root of the tooth, is cleaned drying after soil, is obtained
To China domestic Bermuda grass seedling stem.
Preferably, in step (2), the amount of application of the modifying agent each component are as follows: 400~600m of red soil3/ hectare, it is rotten
Ripe 40~60m of organic fertilizer3/ hectare, EC value are lower than 80~120m of coco bran of 2.0mS/cm3/ hectare.
Preferably, in the step (2), the amount of application of nitrogen-phosphorus-potassium compound fertilizer is 400~650kg/ hectares.
Preferably, ploughed depth described in step (2) is not less than 15cm.
Preferably, in step (2), the seedling stem grafting includes:
The turf containing China domestic Bermuda grass seedling stem that step (1) is transported crushes, and obtains with 2~3 sections and length
The China domestic Bermuda grass seedling stem is sowed the bed of the level ground after the improvement by the China domestic Bermuda grass seedling stem for spending 5~10cm
On.
Preferably, every square metre of turf crushes the seedling stem obtained and sows on the level ground bed after 3~5 square metres of improvement.
Preferably, to spray decis, the sterilization processing is to spray Bravo for the desinsection processing.
Preferably, the step (4) further includes that 7~10d after the transfer removes sunshade net.
Compared with prior art, technical solution provided by the invention has the advantage that
The method that the present invention provides a kind of to construct bermuda grass turf on tropical forest insect islands and reefs, selects the domestic middle foundation of a nation
Mole cricket root of the tooth kind is material, carries out improvement with soil of the modifying agent to tropical forest insect islands and reefs and seedling stem grafting is rapid-result fastly
Level ground realizes rapid build Turf quality height, landscape effect on tropical forest insect islands and reefs in conjunction with the turf method of shipment of improvement
Good, high survival rate and the purpose on maintenance cost low lawn can maintain the landscape effect of high quality after Cheng Ping by natural rainfall.
Method provided by the invention significantly reduces the cost of tropical forest insect islands and reefs turf establishment, is a kind of tropical forest insect islands and reefs lawn
The effective way on planting and fast rapid-result level ground, is worth with high utilization and extention, is especially suitable for the new hydraulic reclamation in domestic and international torrid areas
High Quality Turf in the large scale ecological construction of coral island.
The present invention, which uses, selects domestic China domestic Bermuda grass kind for material, the China domestic Bermuda grass kind energy
The special ecological environment of tropical forest insect islands and reefs is enough adapted to, it is more stronger than other common import Bermuda grass kind resistance, grow shape
Condition is more preferable.Meanwhile compared to for import Bermuda grass kind, the cost of China domestic Bermuda grass kind is low, source is wide, Turf quality
Height is to construct lawn on tropical forest insect islands and reefs and realize quickly to cover that green, fix the sand dust suppression and the ideal material beautified the environment.
The present invention has carried out appropriate improvement to islands and reefs sand ground using modifying agent and nitrogen-phosphorus-potassium compound fertilizer, can make China domestic
The seedling stem survival rate of Bermuda grass is increased to 95% or more by 90%, additionally it is possible to effectively shorten seedling stem turf grass growing time.
The present invention is transplanted China domestic Bermuda grass kind using seedling stem grafting, it is only necessary to 2 weeks or so can Cheng Ping, Cheng Ping
Speed is fast.
Since tropical forest insect islands and reefs are far from continent, seedling stem will lead to a large amount of seedling stems death or be withered during packed and transported etc.
Listless, survival rate is low, bad transporting its growth conditions on tropical forest insect islands and reefs, it is difficult to fast short-term training level ground, landscape effect
It is bad.Therefore seedling stem packaging and transport are to guarantee the successful committed step of turf establishment on tropical forest insect islands and reefs.The present invention is to existing
Some turf transport modes and manner of packing are improved, and 7~10d can be saved using the method for the invention, in this phase
Interior seedling stem survival rate is able to maintain that 95% or more；Meanwhile transporting the China domestic Bermuda grass kind on tropical forest insect islands and reefs
Stem can maintain more vigorous growth conditions, prevent from transporting the injury to seedling stem for a long time, and then reach the dog tooth of final planting
The good purpose of root lawn high survival rate, landscape effect.
Specific embodiment
The method that the present invention provides a kind of to construct bermuda grass turf on tropical forest insect islands and reefs, comprising the following steps:
(1) China domestic Bermuda grass is trimmed, shovel grass obtains the turf containing China domestic dog tooth seedling stem, and desinsection is handled and killed
After bacterium processing, in the bubble chamber sealing transport to tropical forest insect islands and reefs containing ice bag；
(2) it waits for applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer at turf establishment to tropical forest insect islands and reefs, turn over, after obtaining improvement
Level ground bed；
The modifying agent includes the coco bran that red soil, decomposed manure and EC value are not higher than 2.0mS/cm；
(3) on the level ground bed China domestic Bermuda grass seedling stem being implanted in after the improvement by seedling stem grafting, after transplanting
Fine sand is covered on level ground bed surface and irrigates bottom water, and level ground bed top covers sunshade net；
(4) level ground bed is suppressed in second day for transplanting China domestic Bermuda grass, every in 2 weeks after transplanting China domestic Bermuda grass
Day sprays water 1~2 time, normally conserves behind 2 weeks after transplanting China domestic Bermuda grass.
The present invention selects China domestic Bermuda grass as turf establishment material, and resistance is strong, slightly changes in conjunction with the present invention
Good level ground bed can make bermuda grass turf survival rate on tropical forest insect islands and reefs reach 95% or more, and turf grass growing time is short, and landscape quality is high.
In the present invention, the China domestic Bermuda grass refers to from China domestic Bermuda grass kind (strain).The present invention is preferred
, it is described by country authorization Bermuda grass kind be more preferably " Yangjiang " Bermuda grass kind, ' Su Zhi 2 ' hybrid bermuda and
' Central Shanxi Plain ' Bermuda grass.
Present invention foundation of a nation mole cricket root of the tooth in Breeding base pair is trimmed, and shovel grass is obtained containing China domestic dog tooth seedling stem
Turf, after desinsection processing and sterilization processing, with the bubble chamber sealing transport containing ice bag on tropical forest insect islands and reefs.
In the present invention, the seedling stem refers to the nutrition organs such as the stolon, subterranean stem and erect stern of turfgrass.This hair
It is bright that first the China domestic Bermuda grass of growth in the soil is trimmed, cut off the young tender part of Bermuda grass seedling stem.The trimming
Highly preferred is 5~10cm, is determined according to the young tender part length of Bermuda grass.Cut off the seedling stem young tender part be in order to
It is readily transported, prevents seedling stem young tender part from rotting during transportation, and then influence seedling stem quality and survival rate.
It is currently preferred, Bermuda grass is slightly irrigated on the day before shoveling grass, the slight irrigation refers to irrigation extremely
Surface soil is wet, and the purpose slightly irrigated is to improve China domestic Bermuda grass seedling stem surviving during transportation
Rate.
Currently preferred, the shovel grassiness degree is 0.5~2cm, is dried after cleaning soil to get China domestic dog is contained
The turf of root of the tooth seedling stem.In the present invention, the drying prevents from rotting in transportational process.The method of drying of the present invention is preferred
Drying can be completed after Bermuda grass seedling stem surface is without ponding or water droplet for naturally dry.
The present invention carries out desinsection processing to the turf obtained after shovel grass and sterilization processing is when transporting to improve seedling stem
Survival rate, is handled by desinsection and sterilization processing can ensure that seedling stem occurs in short-term transportational process without obvious pest and disease damage.This
Invention handles the desinsection and the sequencing of sterilization processing is not particularly limited.
In the present invention, the desinsection processing preferably sprays decamethrin；It is furthermore preferred that spraying mass fraction 2.5%
1500~2000 times of dilutions of missible oil；
In the present invention, the sterilization processing preferably sprays Bravo；It is furthermore preferred that spraying 75,%00 bacterium of mass fraction
600~800 times of dilutions of clear wettable powder.
In the present invention, the ice bag material is preferably high polymeric compound biology ice bag.It is currently preferred, each foam
Ice bag 8 that capacity 250ml is at least placed in case, more preferably 8~10.
China domestic Bermuda grass seedling stem on tropical forest insect islands and reefs is transported using the method for the invention, survival rate is not
Lower than 95%, it is generally possible to maintain 97% or more；Transport and period of storage can reach 10d.The present invention passes through to China domestic
Transplanting, packaging and the transportation resources of Bermuda grass seedling stem are improved, and can effectively guarantee that seedling stem is transported to far in the long period
Still there is more vigorous growth and development ability on tropical forest insect islands and reefs from continent, keep its growth vigor, and then for most
The purpose of end realizes fast rapid-result level ground, lawn high survival rate and lawn late maintaining are at low cost lays the foundation.
The present invention preferably first treats planting region and carries out site preparation on tropical forest insect islands and reefs before lawn planting, remove to
The sundries such as the ratchel in planting region, building level ground bed.In the present invention, the preferred diameter > 10cm of the ratchel.At this
In invention, the land preparation mode carries out in a usual manner.
The present invention waits for applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer at turf establishment to tropical forest insect islands and reefs, turns over, is changed
Level ground bed after good；The modifying agent includes the coco bran of red soil, decomposed manure, EC value not higher than 2.0mS/cm.
In the present invention, the amount of application of the modifying agent each component are as follows: 400~600m of red soil3/ hectare, it is decomposed organic
40~60m of fertilizer3/ hectare, EC value are lower than 80~120m of coco bran of 2.0mS/cm3/ hectare；More preferably red soil 500m3/ hectare,
Decomposed manure 50m3/ hectare, EC value are lower than the coco bran 100m of 2.0mS/cm3/ hectare.In the present invention, the red soil can be with
The strong basicity of islands and reefs sand ground is neutralized, reduces level ground bed pH value, while increasing soil texture.
In the present invention, the amount of application of the nitrogen-phosphorus-potassium compound fertilizer is preferably 400~650kg/ hectares, more preferably
500kg/ hectares.
In the present invention, the decomposed manure plays increase soil organic matter content, and soil aggregate structure is promoted to be formed,
Increase soil fertility, water retention property and improve soil microbial activities effect.It is currently preferred, the decomposed manure
In the content of organic matter be not less than 45%.Heretofore described decomposed manure is preferably animal waste, and more preferably sheep dung is sent out
Ferment fertilizer, cattle manure fertilizer etc.
In the present invention, the coco bran plays the role of enhancing the gas permeability of soil of level ground bed, and moisture and fertility is prevented to be lost.This
The coco bran EC value in the modifying agent is invented not higher than 2.0mS/cm, EC value is excessively high to inhibit kind of a stem-root, lead to subsequent growth
It is slowly or even dead.Currently preferred, the coco bran EC value is 0.5~2.0mS/cm.
The present invention is not particularly limited the source of the modifying agent raw material, using commercial goods.It is of the present invention to change
It is good dose of low raw-material cost, from a wealth of sources, it improves at low cost.
Nitrogen-phosphorus-potassium compound fertilizer of the present invention for improveing soil plays the work for plant growth of increasing soil fertility, promote
With.Currently preferred, in the nitrogen-phosphorus-potassium compound fertilizer, N P and K mass fraction independently is 12~18%；More preferably nitrogen
Phosphorus potassium mass fraction is 15%.
In the method for the invention, it is only necessary to slightly improve to Soil of Lawn Seed bed, modifying agent and azophoska
The amount of application in Hefei is low.The present invention is not particularly limited the raw material sources of the nitrogen-phosphorus-potassium compound fertilizer and the modifying agent, uses
Commercial goods.
The present invention slightly improves level ground bed by applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer, on the one hand slight improvement institute
The nutrient needed is few, improvement is at low cost, small for the ecology influence of tropical forest insect islands and reefs；On the other hand present invention selection resistance is strong
And the good China domestic Bermuda grass of adaptability is as planting material, without carrying out high-intensitive soil improvement.Thus this hair
The growth demand that the modifying agent and nitrogen-phosphorus-potassium compound fertilizer of bright offer can meet China domestic Bermuda grass kind can save again
Cost is reduced manually to the interference of ecological environment.
The present invention after applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer at turf establishment, is turned over to tropical forest insect islands and reefs
It ploughs.In the present invention, the depth turned over is preferably not less than 15cm, more preferably 15~18cm.The present invention is by turning over
Modifying agent, nitrogen-phosphorus-potassium compound fertilizer and Soil of Lawn Seed bed are sufficiently mixed, to achieve the purpose that depth improvement level ground bed.
After improveing level ground bed, China domestic Bermuda grass is implanted on the level ground bed after improvement by the present invention by seedling stem grafting,
Fine sand is covered on level ground bed surface after transplanting and irrigates bottom water, and level ground bed top covers sunshade net.
It is to be based on dog tooth to reduce planting cost that the present invention, which transplants the China domestic Bermuda grass using seedling stem grafting,
The rapid feature of root growth can only transplant seedling stem, reduce transportation cost.
In the present invention, the seedling stem specification used when the seedling stem grafting is transplanted is preferably with 2~3 stipes and length
Spend 5~10cm.
In the present invention, the seedling stem grafting transplant China domestic Bermuda grass method it is preferred the following steps are included:
The grass containing China domestic Bermuda grass seedling stem on tropical forest insect islands and reefs will be transported via step (1) the method
Skin crushes to obtain the seedling stem with 2~3 sections and 5~10cm of length, and seedling stem is sowed on the level ground bed after the improvement.
In the present invention, the mode for crushing turf is preferably artificial pulverizing or mechanical crushing, and specific method is using normal
Rule mode.
It is currently preferred, it is described sow crush obtain seedling stem when, every square metre of turf sows 3~5 square metres
Level ground bed after improvement.Seedling stem is proportionally uniformly sprinkled into the level ground bed after improvement when sowing.
The present invention covers layer of fine sand, the thickness of the fine sand after transplanting the China domestic Bermuda grass, on level ground bed surface
Degree is preferably 1~2cm, and seedling stem is prevented to be blown away or dispel.
The present invention immediately waters to level ground bed after covering fine sand, to irrigate bottom water.Soil in the bed below ground 15cm of level ground
When earth water content reaches hypersaturated state, bottom water is as irrigated.
The present invention covers sunshade net above the bed of level ground in time after covering fine sand, and the sunshade rate of the sunshade net is preferably
60%.The sunshade net is preferably withdrawn from after 7~10d after the transplanting of China domestic Bermuda grass.The effect of the sunshade net is
Shielded from sunlight direct projection reduces transpiration, and early period, masking achieved the effect that slow seedling.
Second day after transplanting the China domestic Bermuda grass of the present invention, suppresses level ground bed, daily in transplanting 2 weeks
It sprays water 1~2 time, is normally conserved behind 2 weeks of transplanting.
It in the present invention, is in order to come into full contact with the seedling stem sowed and soil, to ensure lawn earth's surface to level ground bed suppression
Flatness.It is currently preferred that town is carried out using level ground bed of the baby roller of artificial suppression or self weight 350kg to transplanting region
Pressure.In the present invention, the suppression number is preferably 1 time.
In the present invention, weather condition is regarded in 2 weeks after the transplanting, is sprayed water 1~2 time daily.Water spray of the present invention
Purpose be keep ground soil moisture, it is described water spray to be sprayed to Surface Humid.
It is normally conserved behind 2 weeks of the China domestic Bermuda grass of transplanting in the present invention；The normal maintenance
It can specifically carry out in the following way:
A, it waters: being watered according to the upgrowth situation of weather and Bermuda grass, rainfall is then not necessarily to water if normal；If when long
Between do not rain, slight curling, which occurs, for lawn blade wilts and then waters, and watering needs to irrigate every time, wet with 5cm soil below grass layer
Profit is advisable.
B, it applies fertilizer: applying a nitrogen phosphorus potassium slow release compound fertilizer every half a year, or slow and leaf color is turned to be yellow in lawn growth speed
When apply nitrogen phosphorus potassium slow release compound fertilizer.The content ratio of N P and K is preferably 15:15:15 in the nitrogen phosphorus potassium slow release fertilizer；It is described
The dose of nitrogen phosphorus potassium slow release fertilizer is preferably 20~40g/m2, more preferably 30g/m2。
Fertilising of the present invention is mainly carried out by way of spreading fertilizer over the fields, and is watered in time after fertilising to prevent burn seedlings.
C, trim: monthly trimming is primary, and turf-mown (toothing) is highly 4~8cm.If can not accomplish to repair in time really
It cuts, then should be trimmed according to " 1/3 principle ", i.e., wipe out the grass blade of 1/3 turf height when trimming every time.
Trimming of the present invention should be carried out in lawn blade of grass and dry and comfortable ground surface soil.
D, prevent and treat: control of weeds is urgent, is prevented and treated in weeds seedling stage (3~4 leaf phase).It is sent out during lawn growth
When sick insect pest, illustrate to be prevented and treated referring to medicament according to pest species.
Bermuda grass turf is constructed on tropical forest insect islands and reefs using the method for the invention, planting is at low cost, the grass of building
Level ground Turf quality is high, and late maintaining is not necessarily to special protection, and higher landscape effect can be kept in the case of natural precipitation and is survived
Rate.
In order to further illustrate the present invention, technical solution provided by the invention is retouched in detail below with reference to embodiment
It states, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
1,2016, experimental plot 6, each plot area 4m are set on the husky tropical forest insect islands and reefs in Hainan three2, will
Experimental plot is divided into two groups, every group of 3 cells, respectively as test group and control group.
Wherein, test group is carried out using method of the present invention, control group other processing in addition to without level ground bed improvement
It is identical as the method for the invention.Select domestic salt tolerant lawn species ' Yangjiang ' Bermuda grass as test kind.
2, test method:
' Yangjiang ' Bermuda grass seedling stem in the normal growth phase is trimmed in Breeding base in April, 2016, trimming is high
6cm is spent, all weeds and grass cuttings is removed after the completion of trimming, is scooped up the seedling stem after trimming using Weeds up-rooting machine, seedling stem shovels grassiness degree
For 1~1.2cm, length and width are 100cm × 30cm.After seedling stem scoops up, the soil in seedling stem is cleaned up, naturally dry to leaf table
In drying regime.Loading volume is 0.1m3Bubble chamber in, respectively use 2000 times of 2.5% deltamethrin milk oil of mass fraction
Liquid and 75% Bravo wettable powder of mass fraction, 800 times of liquid carry out desinsection and sterilization processing to seedling stem.It is put into 8 capacity
The high polymeric compound biology ice bag of 250mL is sealed processing to bubble chamber using adhesive tape and matched foam case lid, after 4 days
Transport is 97.3% through open box to check discovery seedling stem survival rate to turf establishment region.
Ground is carried out using manually smooth, and removes stone and other sundries that the level ground upper diameter of bed is greater than 10cm.It will be red
Loam 0.2m3, decomposed manure 0.02m3(the pure sheep in the Inner Mongol that Shijiazhuang City high yield biological organic fertilizer Science and Technology Ltd. generates
Excrement, total nutrient be not less than 5%, organic matter not less than 45%), EC value be lower than 2.0mS/cm coco bran 0.04m3It is mixed and made into improvement
Agent, taking N-P-K content is 15% compound fertilizer 0.2kg.Experimental plot is applied after modifying agent is mixed with nitrogen-phosphorus-potassium compound fertilizer
In, each experimental plot of test group carries out level ground bed improvement in the manner described above.It carries out turning over mixing by rotary cultivator, turn over
Depth 15cm, it is then smooth to level ground bed progress, obtain the level ground bed of improvement.
Seedling stem dosage is carried out according to the ratio (ratio of every square metre of seedling stem turf and level ground bed) of 1:5, and divot is artificial
2~3, band sections and length are ground into as the grass blade of 5~10cm, one layer that 1cm thickness is then covered after uniform broadcasting to ground is thin
It is husky.Sunshade net and fixation of the one layer of sunshade rate of covering for 60% after the completion of transplanting.Watering in time, watering should be poured equably for the first time
It reveals the exact details water, the water content of substrate in 15cm is made to reach saturation state, water daily depending on weather condition 1~2 time in 2 weeks after planting.
Second day baby roller using self weight 350Kg after the completion of transplanting suppresses transplanting region, connects seedling stem with soil
Touching is close.Normal Lawn management is transferred to after 2 weeks.
3, result
All seedling stem transplanting are completed after 2 days, and after transplanting 10 days, the seedling stem survival rate of control group is 90.7%, and test group
Seedling stem survival rate be 97.6%.
Control group complete Cheng Ping after transplanting 80 days, and the i.e. complete Cheng Ping after transplanting 60 days of test group processing.
Divide behind 10 months of transplanting according to turf quality 9 in " careless variety certification technical regulation " (GBT30395-2013)
Evaluation method processed has carried out the evaluation of system to the lawn of test group and control group, it is found that the lawn overall performance of test group is bright
It is aobvious to be better than control group, when relying on natural rainfall substantially, it is able to maintain higher Turf quality and landscape effect.Specific data
It is shown in Table 1.
Influence of 1 soil improvement of table to turf quality
Embodiment 2
2017, area was demonstrated as 5000m in the husky tropical forest insect islands and reefs in Hainan three, lawn2。
The seedling stem of ' Yangjiang ' kind is trimmed, cutting range 5cm in June, 2017, is removed after the completion of trimming all miscellaneous
Grass and grass cuttings, are scooped up the seedling stem being grown in Breeding base using Weeds up-rooting machine, and it is 0.8~1cm that seedling stem, which shovels grassiness degree, and length and width are
100cm×30cm.After seedling stem scoops up, the soil in seedling stem is cleaned up, naturally dry to leaf table is in drying regime.It is packed into
Volume is 0.1m3Bubble chamber in, respectively use 2.5% deltamethrin milk oil of mass fraction, 2000 times of liquid and mass fraction 75,%00
800 times of liquid of the clear wettable powder of bacterium carry out desinsection and sterilization processing to seedling stem.The high polymeric compound for being put into 8 capacity 250mL is raw
Object ice bag is sealed processing to bubble chamber using adhesive tape and matched foam case lid, is transported after 5 days to turf establishment region,
It is 95.7% through open box to check discovery seedling stem survival rate.
Ground is carried out using manually smooth, and removes stone and other sundries that the level ground upper diameter of bed is greater than 10cm.It will be red
Loam 250m3, decomposed manure 25m3, EC value be lower than 2.0mS/cm coco bran 50m3It is mixed and made into modifying agent, takes N-P-K content
It is 15% compound fertilizer 250kg.Lawn demonstration area is applied after modifying agent is mixed with nitrogen-phosphorus-potassium compound fertilizer.Pass through rotary cultivator
Tool carries out turning over mixing, then carries out to level ground bed smooth.
Seedling stem dosage is carried out according to the ratio of 1:5 (ratio of every square metre of seedling stem turf and level ground bed), and divot is artificial
2~3, band sections and length are ground into as the grass blade of 5~10cm, one layer that 2cm thickness is then covered after uniform broadcasting to ground is thin
It is husky.Sunshade net and fixation of the one layer of sunshade rate of covering for 60% after the completion of transplanting.Watering in time, watering should be poured equably for the first time
It reveals the exact details water, the water content of substrate in 15cm is made to reach saturation state, view weather condition suitably watering 1~2 daily in 2 weeks after planting
It is secondary.Second day baby roller using self weight 350Kg after the completion of transplanting suppresses transplanting region, makes seedling stem and soil
Contact is close.Normal Lawn management is transferred to after 2 weeks.
As a result:
All seedling stem transplanting are completed after 7 days, and after transplanting 10 days, the seedling stem survival rate of transplanting is 95.3%, are transplanted 2 months
Afterwards, the complete Cheng Ping in lawn.
Divide system according to turf quality 9 in " careless variety certification technical regulation " (GBT30395-2013) behind 9 months of transplanting
Evaluation method has carried out the evaluation of system to lawn, and discovery lawn growth is vigorous, grass layer 8~10cm of thickness, density height (6.2
Point), cover degree high (9.0 points), homogeneity good (8.1 points), heat resistance strong (9.0 points), strong drought resistance (8.0 points), disease and insect resistance it is strong
(9.0 points), overall merit are up to 8.2 points, when relying on natural rainfall substantially, are able to maintain higher Turf quality and landscape effect
Fruit.
Embodiment 3
2017, area was demonstrated as 2000m in the husky tropical forest insect islands and reefs in Hainan three, lawn2。
In July, 2017, seedling stem is trimmed, cutting range 8cm removes all weeds and grass cuttings, will using Weeds up-rooting machine
The seedling stem being grown in Breeding base scoops up, and it is 0.9~1.1cm that seedling stem, which shovels grassiness degree, and length and width are 100cm × 30cm.Seedling stem shovel
It is cleaned up after rising, seedling stem naturally dry to leaf table is in drying regime, and surface is without ponding or water droplet.Loading volume is 0.1m3
Bubble chamber in, respectively use 75% Bravo wettable of 2.5% deltamethrin milk oil of mass fraction, 1500 times of liquid and mass fraction
600 times of liquid of pulvis carry out desinsection and sterilization processing to seedling stem.The high polymeric compound biology of 8 capacity 250mL is put into bubble chamber
Ice bag is sealed processing to bubble chamber using adhesive tape and matched foam case lid, and transport is passed through to turf establishment region after 4 days
Grass blade survival rate 98.9% is found after open box to check.
It is smooth to level ground bed progress according to planting regional slope situation, part gradient large area landform is carried out centainly
Stone and other sundries that bed upper diameter in level ground is greater than 10cm are removed in transformation.By red soil 100m3, decomposed manure 10m3, EC value
Coco bran 10m lower than 2.0mS/cm3It is mixed and made into modifying agent, taking N-P-K content is 15% compound fertilizer 100kg.It will improvement
Agent applies lawn demonstration area after mixing with nitrogen-phosphorus-potassium compound fertilizer.By manually carrying out turning over mixing, ploughed depth is not less than
Then 15cm is carried out smooth.
Seedling stem dosage is carried out according to the ratio of 1:3 (ratio of every square metre of seedling stem turf and level ground bed)；Divot is artificial
2~3, band sections and length are ground into for the grass blade of 5~10cm, then in ground mulching 1.5cm thickness after uniform broadcasting to ground
One layer of fine sand.Sunshade net and the fixation that one layer of sunshade rate is 60% are covered after the completion of transplanting in time.Watering in time, makes in 15cm
Water content of substrate reaches saturation state, and view weather condition is suitably watered 1~2 time daily in 2 weeks after planting.After the completion of transplanting
Using manually suppressing to transplanting region, contact seedling stem with soil closely within two days.Normal lawn maintenance pipe is transferred to after 2 weeks
Reason.
As a result:
All seedling stem transplanting are completed after 3 days, and after transplanting 10 days, transplanting seedling stem survival rate is 99.3%, after transplanting 45 days, grass
The complete Cheng Ping in level ground.
Divide system according to turf quality 9 in " careless variety certification technical regulation " (GBT30395-2013) behind 8 months of transplanting
Evaluation method has carried out the evaluation of system to lawn, and discovery lawn growth is vigorous, grass layer 8~10cm of thickness, density height (6.8
Point), cover degree high (9.0 points), homogeneity good (8.4 points), heat resistance strong (9.0 points), strong drought resistance (8.3 points), disease and insect resistance it is strong
(9.0 points), overall merit are up to 8.4 points, and when relying on natural rainfall substantially, landscape effect is good, and rainwater pair can be effectively reduced
Directly washing away for slope surface, prevents slope surface soil erosion.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of method for constructing bermuda grass turf on tropical forest insect islands and reefs, comprising the following steps:
(1) trim China domestic Bermuda grass, shovel grass obtains the turf containing China domestic dog tooth seedling stem, desinsection handle and sterilization at
After reason, in the bubble chamber sealing transport to tropical forest insect islands and reefs containing ice bag；
(2) it waits for applying modifying agent and nitrogen-phosphorus-potassium compound fertilizer at turf establishment to tropical forest insect islands and reefs, turn over, the level ground after being improved
Bed；
The modifying agent includes the coco bran that red soil, decomposed manure and EC value are not higher than 2.0mS/cm；
(3) on the level ground bed China domestic Bermuda grass seedling stem being implanted in after the improvement by seedling stem grafting, on level ground after transplanting
Bed surface covering fine sand simultaneously irrigates bottom water, and level ground bed top covers sunshade net；
(4) level ground bed is suppressed in second day for transplanting China domestic Bermuda grass, every spray in 2 weeks after transplanting China domestic Bermuda grass
It water 1~2 time, normally conserves behind 2 weeks after transplanting China domestic Bermuda grass.
2. the method for bermuda grass turf is constructed on tropical forest insect islands and reefs according to claim 1, which is characterized in that the step
Suddenly in (1), the cutting range is 5~10cm.
3. the method for bermuda grass turf is constructed on tropical forest insect islands and reefs according to claim 2, which is characterized in that the step
Suddenly in (1), shovel grass is carried out after the trimming of centering foundation of a nation mole cricket root of the tooth, is cleaned drying after soil, is obtained China domestic Bermuda grass seedling stem.
4. the method for bermuda grass turf is constructed on tropical forest insect islands and reefs according to claim 1, which is characterized in that step
(2) in, the amount of application of the modifying agent each component are as follows: 400~600m of red soil3/ hectare, 40~60m of decomposed manure3/ public
Hectare, EC value is lower than 80~120m of coco bran of 2.0mS/cm3/ hectare.
5. the methods of bermuda grass turfs are constructed on tropical forest insect islands and reefs according to claim 1 or described in 4, which is characterized in that institute
It states in step (2), the amount of application of nitrogen-phosphorus-potassium compound fertilizer is 400~650kg/ hectares.
6. the method for bermuda grass turf is constructed on tropical forest insect islands and reefs according to claim 1, which is characterized in that step
(2) ploughed depth described in is not less than 15cm.
7. the methods of bermuda grass turfs are constructed on tropical forest insect islands and reefs according to claim 1 or described in 5, which is characterized in that step
Suddenly in (2), the seedling stem grafting includes:
The turf containing China domestic Bermuda grass seedling stem that step (1) is transported crushes, obtain saving with 2~3 and length 5~
The China domestic Bermuda grass seedling stem of 10cm sows the China domestic Bermuda grass seedling stem on the level ground bed after the improvement.
8. the method for bermuda grass turf is constructed on tropical forest insect islands and reefs according to claim 7, which is characterized in that every square
Meter Suo Shu turf crushes the seedling stem obtained and sows on the level ground bed after 3~5 square metres of improvement.
9. the method for according to claim 1~3, constructing Bermuda grass lawn described in any one in 8 on tropical forest insect islands and reefs,
It is characterized in that, the desinsection processing is sprays decis, the sterilization processing is to spray Bravo.
10. the method on Bermuda grass lawn is constructed on tropical forest insect islands and reefs according to claim 1, which is characterized in that described
Step (4) further includes that 7~10d after the transfer removes sunshade net.
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Application publication date: 20181228 |