CN110301277A

CN110301277A - A kind of afforestation project construction technology

Info

Publication number: CN110301277A
Application number: CN201910447101.6A
Authority: CN
Inventors: 杨亮; 陈晓东; 张健; 李木庆
Original assignee: Guangdong Jingyuan Design Engineering Co Ltd
Current assignee: Guangdong Jingyuan Design Engineering Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2019-10-08

Abstract

The present invention relates to a kind of afforestation project construction technologies; it includes that site preparation, green material application preparation, surveying setting-out, plant pit excavate, Qiao/shrub plantation and trimming, tree support and protection, lawn are laid with, later period maintenance; the present invention has the effects such as green plants maintenance workload after construction is small, and the death rate of vegetation is low.

Description

A kind of afforestation project construction technology

Technical field

The present invention relates to the technical fields of greening, more particularly, to a kind of afforestation project construction technology.

Background technique

Greenery patches plays important function in Construction of Eco-urban at present, and greenery patches is the important set of urban ecological system It is the regulation person of balance of city ecosystem at part, having improves urban air-quality, adjusts miniclimate, beautifying city landscape etc. A variety of ecological functions.

Therefore us are needed to work out reasonable afforestation project construction technology to meet the construction demand of ecocity, and then guarantee The implementation of construction program, shortens the construction period as far as possible.

But green plants maintenance workload is greatly after greening construction in the prior art and the death rate of vegetation is higher.

Summary of the invention

The object of the present invention is to provide one kind to have green plants maintenance workload after construction is small, and the death rate of vegetation is low etc. The afforestation project construction technology of effect.

Foregoing invention purpose of the invention has the technical scheme that

A kind of afforestation project construction technology, which is characterized in that itself the following steps are included:

Construction site is divided into greening location and other locations around greening location, will afforest location by S1, site preparation Soil improved and managed, successively carry out cleaning barrier, arrange scene and setting water source etc. processes；Clear up barrier When, the trees of construction site are retained, when arranging scene, operation of ploughing is carried out to greening location, is sorted out scheduledly Shape afforests level height of the level height lower than the center for afforesting location of the outer rim in location, greening location and other locations Draining tends to consistent；

S2, green material application prepare, including seedling, lifting, seedling transportation and nursery stock is selected the processes such as to march into the arena；

S3, surveying setting-out carry out plantation fixed point unwrapping wire label to the nursery stock in greening location；

S4, plant pit excavate, and the excavation of kind of plant hole is carried out according to the position of the plantation fixed point unwrapping wire label in greening location, and kind plant hole is used In placing band soil ball nursery stock, the diameter for planting plant hole is 16-20cm bigger than the diameter with the soil ball under soil ball nursery stock, plants the depth of plant hole 16-20cm bigger than the height with the soil ball under soil ball nursery stock, the upper and lower opening diameter for planting plant hole is identical；

S5, Qiao, shrub plantation and trimming, trim the root system with soil ball nursery stock before plantation, will cleave root, disease pest root, mistake Long root is wiped out, and is trimmed to tree crown, is then put in various wells and carries out operation of pouring water；

S6, tree support and protection, plant built up around kind of plant hole after nursery stock high 10-15cm pour water earth bank and tree is helped in use Column is helped solid；

S7, lawn are laid with, and carry out opening up and planting for lawn to greening location；

S8, later period maintenance, carry out reseeding and replacing for nursery stock in time.

By using above-mentioned technical proposal, the green land section surface after constructing is made to be not easy ponding, green plant is not easy excessively to steep Water and cause death, excessive natural precipitation with topography arrange to greening location outside, convenient for staff to greening location tie up Shield.

Preferably, it when ploughing to greening location, is first carried out from greening location outer rim to the direction of greening Section Center It excavates, excavating depth is incremented by successively, excavates region and recessed arc surface is presented；Greening location after excavation is carried out along arc surface First pass compacting increases by one layer of sand stone layer along arc surface after compacting, and sand stone layer is one layer of unordered sandstone put, close to green land The sandstone diameter of section outer rim is less than the diameter close to greening Section Center sandstone；It is organic along one layer of arc surface application above sand stone layer Fertilizer, the amount of organic fertilizer close to greening Section Center is more than the amount of organic fertilizer for afforesting location outer rim；Then it is laid with one layer of rich soil And tamped after spraying water, lower rich soil layer is formed, the top of lower rich soil layer is laid with one layer from green land along arc surface The sedendary soil excavated of section and compacting form primary soil layer, are laid with rich soil above primary soil layer and simultaneously tamp, fertile in formation Soil layer, level height of the upper fertile soil layer close to the center in greening location are higher than upper fertile soil layer close to the outer rim for afforesting location Level height.

By using above-mentioned technical proposal, the water storage that the setting increase greening location of recessed arc surface is presented in region is excavated Ability, under fertile soil layer setting, make root system of plant in fertile soil layer under extending to, the green suction for being of taking root of reinforcement of one side Receive, on the other hand make root system under at fertile soil layer root system due to sandstone and fertilizer influence and extend around, root system is in sand It is interweaved under the influence of stone, not easily runs off moisture；When rainfall is smaller, the Water-saving effect at green belt center is preferable, moisture It is stored in fertile soil layer, when rainfall is larger, the setting of the recessed arc surface in green belt bottom is easier to storage water, greening The moisture of area outer rim is when permeating the ground along the lower section convergence at center of the circular arc towards green belt of compacting, green land It needs the frequency of man-made irrigation lower with the later period, and due to tamping by different level, makes to afforest location and be not easy to meet to sink and formed low-lying under water Bottom is cheated, maintenance workload is smaller.

Preferably, to when the turning over of green belt progress after compacting, greening Section Center turns over thickness greater than green land Section outer rim turns over thickness, along the vertical direction on the thickness turned over thickness and be less than upper fertile soil layer.

By using above-mentioned technical proposal, greening location is made to compare green belt outer rim close to the gas permeability of the soil at center Gas permeability it is more preferable, the Water-saving effect at green belt center is preferable and water is prolonged easily in dry weather to greening location outer rim It stretches, staff's man-made irrigation frequency is lower, and maintenance workload is smaller.

Preferably, it is described select seedling process before, the green nursery stage that is implanted in should be made by turning over cultivation, root system concentrates in butt, selects seedling In process, staff should be listed to selected nursery stock, make memorial tablet in sunny side when listed, nursery stock is made to keep same in plantation One direction.

By using above-mentioned technical proposal, same direction is kept before making the green direction being implanted in after transplanting and transplanting, is convenient for planting Object growth.

Preferably, in Qiao, shrub plantation and shearing procedure, the plant of sapling is in kind of plant hole basal dressing and to be laid with thin Soil padding removes the binder of sapling root, sapling is attentioned in kind of plant hole and is planted, inserts rich soil, process of banketing In, often banket 2cm thickness when, several slivers of package are interted around sapling root system；It is in concentration before the sliver placement It is impregnated in the ABT rooting powder solution of 200ml/L, when banketing to kind of plant hole 1/3, sapling is lifted 1cm by staff upwards, then Compacting soil simultaneously continues to banket to kind of a plant hole cave top, and is laid with a 15cm fertile soil on kind of a plant hole cave top, determines finally, pouring to sapling Water is planted, the planting water is the phenylacetic acid solution that concentration is 200ml/L.

By using above-mentioned technical proposal, unfold sapling root system and come into full contact with soil, prevents plant nest root, meanwhile, For sliver for protecting sapling root system during upward lifting, the damage of root system is smaller after immersion, and compared to irrigating, root-inducing powder is molten Liquid, the development of the interior part rooting powder solution local influence sapling root system stored of sliver, is not easy to extend root system excessively to earth's surface, Nutrient Absorption rate is high, and green plant survival rate is higher.

Preferably, in Qiao, shrub plantation and shearing procedure, for afforesting the plantation of location sapling at water scenery, The bottom of kind of plant hole is set to be laid with the sandstone of one layer of 5cm thickness, the top of sandstone is laid with rich soil and the compacting of one layer of 8 ~ 20cm, pressure The level height of rich soil after reality is higher than the water level line of water scenery, then carries out the plant of sapling again, after plant, the root of sapling Stem position is above ground level, and the part being higher by carries out hilling.

By using above-mentioned technical proposal, the humidity at the kind plant hole at water scenery is reduced, plantation height, prevention are raised Soil at kind plant hole collapses and makes green plant ponding, improves the survival rate of green plant.

Preferably, wooden for the bare-root seeding that cannot be planted in 8 hours in Qiao, shrub plantation and shearing procedure, into Row temporary planting；During temporary planting, staff first will dig shallow ridges on ground, and 40 ~ 60cm of ditch depth is then tight by more than, bare-root seeding wood It nestles up and tiltedly plants in ditch in 30 ° of angles, make treetop towards west or towards south；Westwards, the direction of trench digging is East and West direction to treetop, Treetop is to the south, then the direction of ditch is north-south；After nursery stock is intensively tiltedly planted well, in root root and stem of certain plants higher slice earthing, insert layer by layer in fact, then It all sprays water daily to leaf, keeps wet.

By using above-mentioned technical proposal, the activity of bare-root seeding wood is kept, naked sapling is made to be easy to survive after planting.

Preferably, the region of the temporary planting nursery stock is along the shallow ridges direction gutter Wa You, is planted nursery stock upper berth and is equipped with and moistens deeply Straw mat.

By using above-mentioned technical proposal, the nursery stock of temporary planting is made to keep wet, and reduces intensity of illumination, while avoiding being planted Excessive ponding at nursery stock, bare-root seeding wood are not easy death, and survival rate is higher.

Preferably, the lawn is laid in step, is arranged again to soil first, and the region for being laid with lawn is made Soil thickness reaches 40cm or so, removes the sundries such as weeds, with " glyphosate " etc. go out natural disposition inner-adsorption conduction-type herbicide with 0.2 ~ 0.4ml/ ㎡ is sprayed, and starts kind of a grass after use after 2 weeks.

By using above-mentioned technical proposal, the setting of soil thickness increases the Water-saving effect of lawn bottom, reduces lawn Management cost, while it is more smooth to be laid with lawn, weeds are less.

In conclusion advantageous effects of the invention are as follows:

The step of site preparation, the green land section surface after constructing is made to be not easy ponding, green plant is not easy excessively soaked and causes dead It dies, excessive natural precipitation is arranged outside greening location with topography, is safeguarded convenient for staff to greening location；Increase greening The water-holding capacity in location, green belt water-holding capacity is strong, and the later period needs the frequency of man-made irrigation lower, the workload of manual maintenance It is small.

The step of tall, shrub plantation and trimming, soil is unfolded and come into full contact with to sapling root system, and root damage is smaller, increases The root growth speed of green plant, Nutrient Absorption rate is higher, green plant high survival rate.

Detailed description of the invention

Fig. 1 is construction process artwork of the invention.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

It referring to Fig.1, is a kind of afforestation project construction technology disclosed by the invention, following steps:

In site preparation step, staff ploughs to greening location, first from afforesting location outer rim to greening location The direction at center is excavated, and excavating depth is incremented by successively, excavates region and recessed arc surface is presented；To the green land after excavation Section carries out first pass compacting along arc surface, increases by one layer of sand stone layer along arc surface after compacting, and sand stone layer is one layer and unordered puts Sandstone is less than the diameter close to greening Section Center sandstone close to the sandstone diameter of greening location outer rim；Along circle above sand stone layer Cambered surface applies one layer of organic fertilizer, and the amount of organic fertilizer close to greening Section Center is more than the amount of organic fertilizer for afforesting location outer rim；Then It is laid with one layer of rich soil and is tamped after spraying water, form lower rich soil layer, the top of lower rich soil layer is along arc surface It is laid with the sedendary soil that one layer is excavated from greening location and compacting, primary soil layer is formed, is laid with rich soil above primary soil layer And tamp, fertile soil layer in formation, level height of the upper fertile soil layer close to the center in greening location is higher than upper fertile soil layer and leans on The level height of the outer rim in nearly greening location.

Then it is turned over to what the green belt after compacting carried out, greening Section Center turns over thickness and is greater than greening location outer rim Turn over thickness, along the vertical direction on turn over thickness be less than upper fertile soil layer thickness.

Staff's minimum soil thickness requirement according to necessary to planting, it is usually to turn over 30cm depth more, it is stored with benefit Water soil moisture conservation；Area or deep-rootedness tree species, which can prong 50cm depth, and organic fertilizer, to be arranged for emphasis, so as to changing soil fertilizer； It is shown in Table 1 and plants required minimum soil thickness table for greenbelt plants.

Greenbelt plants plant required minimum soil thickness

Table 1

In the step of green material application prepares, including seedling, lifting, seedling transportation and nursery stock is selected the processes such as to march into the arena.

Select seedling: planting material answers well developed root system, grows healthy and strong, no disease and pests harm；Outdoor cropping flowers should meet the following requirements: One, biennial flower plants, plant height should be 10 ~ 40cm, and crown diameter should be 15 ~ 35cm；Branch should not be less than 3 ~ 4, and leafage is healthy and strong, color It is bright；Perennial Flowers, root system must be complete, non-rot；Flowering bulb, rhizome are answered healthy and strong, not damaged, and young shoot is full；It sees Leaf plant, leaf color are answered bright-coloured, and leafage is plentiful；Water plant, root, stem physically well develop, robust plant, no disease and pests harm.

The selection of nursery stock should select growing way is good, no disease and pests harm, have no mechanical damage, it is tree-like rectify, the nursery stock of root prosperity and By turning over cultivation in nursery stage, root system concentrates on the nursery stock of butt for selection；After nursery stock is selected, to be listed or be drawn at foundation position Visible marking, in order to avoid dig wrong；When listed, board is placed in sunny side, in transplanting, same direction is kept, is convenient for plant growth.

Lifting: lifting time and plant time are preferably fitted close, and accomplish with rising with cultivation, in order to excavate conveniently, lifting Can suitably water within first 1-3 days keeps soil soft, is also convenient for for bare-root seeding to rising mostly with place soil, root system damage is less；When lifting, Evergreen seedling should have complete root ball soil ball, and the size of soil ball presses 10 times or so determinations of tree breast-height diameter, and soil ball height is general Comparable width lacks 5-10cm；In order to reduce sapling moisture transpiration, transplanting survival rate is improved, after digging seedling, should be carried out before entrucking rough Trimming.

Seedling transportation: the digging sapling from heeled-in seedling ground is transported to during construction site, and all vegetable materials are taken specially Safeguard measure, such as special train transport, per car transports less, profession wrapping, profession support measure, and nursery stock should drink spike gently in loading-unloading vehicle It puts, nursery stock must not be damaged and causes to dissipate ball；When playing the small-sized nursery stock of suspender belt soil ball, is sling using netting pocket soil ball, there must not be rope Rope ties up bundle rootstock lifting；Weight is more than 1 ton of large-scale soil ball, should be lifted by crane in soil ball outer cover wire hawser；Container seedling is in loading-unloading vehicle When, container must not be damaged, in case soil ball is loose；It, should be by vehicle heading, forward by soil ball, tree crown when soil ball nursery stock entrucking It is neatly packed backward；Trunk should be tied jail after entrucking, and cushioned layer is answered to prevent abrasion trunk；Flowers and trees transport upright entrucking；Shipment Bamboo class must not damage the whip bud between bamboo pole and bamboo whip；Nursery stock is after installing vehicle, one layer of shading screen of face covering, right in transportational process Nursery stock is dry, leaf waters 1-2 times.

Nursery stock is marched into the arena: during nursery stock is got off, not damaging soil ball, the branch, dry, leaf, skin of nursery stock；Do not damage flowering plant Flower wealth and bud；Nursery stock after getting off is watered immediately, and it is wet to keep nursery stock, and arranges plantation immediately；Nursery stock marches into the arena sequence successively Arbor, shrub, ground cover plant, lawn is arranged successively to march into the arena；The location seedling that need to be completed in advance is marched into the arena in advance；Crossed construction location Big tree is marched into the arena before decoration is completed.

In surveying setting-out step, according to design drawing size, Systems of Red Line in Planning Based and coordinate points are made, then to live seedling growth Pinpoint unwrapping wire；When unwrapping wire, the position of shrub and ground cover plant is determined after Ying Xianding high megaphanerophyte, avoids the multi-shift of nursery stock and right The destruction of ground cover plant.

In plant pit excavation step, the excavation of kind of plant hole is carried out according to the position of the plantation fixed point unwrapping wire label in greening location, For kind plant hole for placing band soil ball nursery stock, the diameter for planting plant hole is 16-20cm bigger than the diameter with the soil ball under soil ball nursery stock, plantation The depth in cave is 16-20cm bigger than the height with the soil ball under soil ball nursery stock, and the upper and lower opening diameter for planting plant hole is identical.

2 are shown in Table as aiphyllium class kind plant hole specification/cm；Table 3 is flowering shrub class kind plant hole specification/cm；Table 4 is bamboo class kind Plant hole specification/cm.

Aiphyllium class kind plant hole specification/cm

The diameter of a cross-section of a tree trunk 1.3 meters above the ground	Plant acupoint depth	Kind plant hole diameter	The diameter of a cross-section of a tree trunk 1.3 meters above the ground	Plant acupoint depth	Kind plant hole diameter
						2-3	30-40	40-60	5-6	60-70	80-90
3-4	40-50	60-70	6-7	70-80	90-100
						4-5	50-60	70-80	7-8	80-90	100-110

Table 2

Flowering shrub class kind plant hole specification/cm

Crown diameter	Plant acupoint depth	Kind plant hole diameter
			100	60-70	70-90

Table 3

Bamboo class kind plant hole specification/cm

Plant acupoint depth	Kind plant hole diameter
		Packing or soil ball depth 20-40	It is 40-50 bigger than packing or soil ball

Table 4

Staff should carry out seedling root trimming in tall, shrub plantation and shearing procedure before plantation, will cleave root, disease pest Root, too long wipe out, and tree crown trimmed, keep above and below ground balance, support distributing for moisture, guarantee that trees survive；

The plant of sapling is in kind of plant hole basal dressing and to be laid with fine earth bed course, the binder of sapling root is removed, in kind of a plant hole Interior sapling is attentioned is planted, insert rich soil, during banketing, often banket 2cm thickness when, around sapling root system intert packet Wrap up in several slivers；Sliver impregnates in the ABT rooting powder solution that concentration is 200ml/L before placing, and bankets to kind of plant hole 1/3 When, sapling is lifted 1cm by staff upwards, then compacting soil and is continued to banket to kind of plant hole cave and pushed up, and is pushed up in kind of plant hole cave It is laid with 15cm fertile soil, finally, pouring planting water to sapling, planting water is the phenylacetic acid solution that concentration is 200ml/L.

Plantation for greening location sapling at water scenery first makes the bottom of kind of plant hole be laid with the sandstone of one layer of 5cm thickness, The top of sandstone is laid with the rich soil of one layer of 8 ~ 20cm and compacting, and the level height of the rich soil after compacting is higher than water scenery Then water level line carries out the plant of sapling again, after plant, the rhizome part of sapling is above ground level, and the part being higher by carries out hilling.

For the bare-root seeding wood that cannot be planted in 8 hours, it is planted；During temporary planting, staff first will be on ground Shallow ridges is dug in face, then more than, bare-root seeding wood are urged against and tiltedly plant in ditch in 30 ° of angles, make treetop direction by 40 ~ 60cm of ditch depth West or towards south；Westwards, the direction of trench digging is East and West direction to treetop, and treetop is to the south, then the direction of ditch is north-south；Nursery stock is close It is slotting layer by layer real in root root and stem of certain plants higher slice earthing after collection is tiltedly planted well, it then all sprays water daily to leaf, keeps wet.

The region of nursery stock is planted along the shallow ridges direction gutter Wa You, nursery stock upper berth is planted and is equipped with the straw mat moistened deeply.

First pass water is watered in 24H after trees field planting, water will irrigate, and so that soil is fully absorbed moisture, pour water and stitch soil Gap is tamped, and guarantees that tree root and soil are combined closely with sharp root system development, continuous water injection must after field planting in drought later 3 water must continuously be filled；After pouring water for three days on end for the first time, the tree disk for being filled with enough water is sprinkled into fine flour grave and is lived, in order to avoid evaporation and native table It cracks ventilative.

In tree support and protection step, the support after sidewalk planting is protected, is helped admittedly after plantation with concrete column； Help tree column concrete specification are as follows: 250*10*10cm matches 4,6 muscle of Φ in column, 200F8# mixed mud column, column buried depth 70cm, between inside Away from 85cm, plank specification is 110*8-10*2.5-3cm, and the black wheel of 2.5*0.5-0.8cm is used between trunk and plank Adhesive tape is adjustable to be tied up and helps, strapped with iron wire between plank and mixed mud column；For the support protection after the plantation of other arbors, road tree is removed All arbors of outer plantation all need to help shield with bamboo, 3 bamboo 3-5M of every plant of arbor, and angle is equal when support, and bamboo is long consistent, tail footpath Greater than 4cm.

It should be cleared up immediately after supporting and pouring water, keep cleaning, keep construction site beautiful and clean.

Lawn is laid in step, is arranged again to soil first, and the soil thickness in the region for being laid with lawn is reached Arrive 40cm or so, remove the sundries such as weeds, with " glyphosate " etc. go out natural disposition inner-adsorption conduction-type herbicide with 0.2 ~ 0.4ml/ ㎡ It is sprayed, starts kind of a grass after use after 2 weeks；It preliminary smooth, basal dressing and ploughs.

The principle of nursery stock management and to master of in curing step, watering " not dry not pour, to pour, irrigate ", to ground and sapling Foliage spray clear water increases air humidity, reduces plant transpiration effect；In the hot summer, shade to sapling, avoid strong Direct sunlight；In cold winter, the methods of air partition, the covering of tree crown film are set up in reply ground cover meadow, tree side, to keep Soil temperature and prevent cold damage；To dead shrub, piece plant flowers and trees locally have 20*20CM space or 2 plants or more death that is connected, Piece plants that flowers and trees local growth is bad, being reseeded in time and more for viewing period is already expired in impact effect one, biennial herb flowers It changes.

The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims

1. a kind of afforestation project construction technology, which is characterized in that itself the following steps are included:

2. afforestation project construction technology according to claim 1, it is characterised in that: plough in described pair of greening location When, it is first excavated from greening location outer rim to the direction of greening Section Center, excavating depth is incremented by successively, excavates region and presents Recessed arc surface；First pass compacting is carried out along arc surface to the greening location after excavation, increases by one layer along arc surface after compacting Sand stone layer, sand stone layer are one layer of unordered sandstone put, and are less than close to the sandstone diameter of greening location outer rim close to greening location The diameter of center sandstone；Apply one layer of organic fertilizer along arc surface above sand stone layer, the amount of organic fertilizer close to greening Section Center is more In the amount of organic fertilizer of greening location outer rim；Then it is laid with one layer of rich soil and is tamped after spraying water, form lower rich soil The top of layer, lower rich soil layer is laid with the sedendary soil and compacting that one layer is excavated from greening location along arc surface, is formed primary Soil layer, primary soil layer top are laid with rich soil and tamp, fertile soil layer in formation, and upper fertile soil layer is in greening location The level height of the heart is higher than upper fertile soil layer close to the level height of the outer rim in greening location.

3. afforestation project construction technology according to claim 2, it is characterised in that: carried out to the green belt after compacting When turning over, greening Section Center, which turns over thickness and is greater than greening location outer rim, turns over thickness, along the vertical direction on turn over thickness Less than the thickness of upper fertile soil layer.

4. afforestation project construction technology according to claim 1, it is characterised in that: it is described select seedling process before, green plant should be made In nursery stage by turning over cultivation, root system is concentrated in butt, selects in seedling process, and staff should be listed to selected nursery stock, Make memorial tablet in sunny side when listed, nursery stock is made to keep same direction in plantation.

5. afforestation project construction technology according to claim 1, it is characterised in that: tall, the shrub plantation and trimming step In rapid, the plant of sapling is in kind of plant hole basal dressing and to be laid with fine earth bed course, the binder of sapling root is removed, in kind of a plant hole Interior sapling is attentioned is planted, insert rich soil, during banketing, often banket 2cm thickness when, around sapling root system intert packet Wrap up in several slivers；The sliver impregnates in the ABT rooting powder solution that concentration is 200ml/L before placing, and bankets to kind of plant hole 1/3 When place, sapling is lifted 1cm by staff upwards, then compacting soil and is continued to banket to kind of plant hole cave and pushed up, and in kind of a plant hole cave Top is laid with 15cm fertile soil, finally, pouring planting water to sapling, the planting water is the phenylacetic acid solution that concentration is 200ml/L.

6. afforestation project construction technology according to claim 5, it is characterised in that: tall, the shrub plantation and trimming step In rapid, for afforesting the plantation of location sapling at water scenery, the bottom of kind of plant hole is made to be laid with the sandstone of one layer of 5cm thickness, sandstone Top be laid with rich soil and the compacting of one layer of 8 ~ 20cm, the level height of the rich soil after compacting is higher than the water level of water scenery Then line carries out the plant of sapling again, after plant, the rhizome part of sapling is above ground level, and the part being higher by carries out hilling.

7. afforestation project construction technology according to claim 1, it is characterised in that: tall, the shrub plantation and trimming step In rapid, for the bare-root seeding wood that cannot be planted in 8 hours, it is planted；During temporary planting, staff will first dig on ground Then more than, bare-root seeding wood are urged against and tiltedly plant in ditch in 30 ° of angles, make treetop towards west by shallow ridges, 40 ~ 60cm of ditch depth Or towards south；Westwards, the direction of trench digging is East and West direction to treetop, and treetop is to the south, then the direction of ditch is north-south；Nursery stock is intensively oblique It after planting well, in root root and stem of certain plants higher slice earthing, inserts in fact, then all sprays water daily to leaf layer by layer, keep wet.

8. afforestation project construction technology according to claim 7, it is characterised in that: the region of the temporary planting nursery stock is along shallow ridges The direction gutter Wa You, temporary planting nursery stock upper berth are equipped with the straw mat moistened deeply.

9. afforestation project construction technology according to claim 1, it is characterised in that: the lawn is laid in step, first Soil is arranged again, the soil thickness in the region for being laid with lawn is made to reach 40cm or so, removes the sundries such as weeds, is used The go out inner-adsorption conduction-type herbicide of natural disposition such as " glyphosate " is sprayed with 0.2 ~ 0.4ml/ ㎡, starts kind of a grass after use after 2 weeks.