CN206118538U - Strand saline -alkali soil soil amelioration is with kind plant hole structure of resistant saline and alkaline trees - Google Patents
Strand saline -alkali soil soil amelioration is with kind plant hole structure of resistant saline and alkaline trees Download PDFInfo
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- CN206118538U CN206118538U CN201621136640.6U CN201621136640U CN206118538U CN 206118538 U CN206118538 U CN 206118538U CN 201621136640 U CN201621136640 U CN 201621136640U CN 206118538 U CN206118538 U CN 206118538U
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Abstract
The utility model discloses a strand saline -alkali soil soil amelioration is with kind plant hole structure of resistant saline and alkaline trees, including hopper -shaped's kind plant hole body the interior bottom of planting the plant hole body is provided with the salinity isolation layer, the top of kind of plant hole body is provided with the opening of planting the plant and using the top of planting the plant hole body is provided with the cover the plastic film that the opening was used, the salinity isolation layer includes metalling and non -woven fabrics layer, the non -woven fabrics layer lay in the top of metalling the top of planting the plant hole body is provided with prevents anti - salt deposit, plastic mulching is in prevent the top of anti - salt deposit. Through adopting this structure, growth survival rate that can effectual promotion plant, and then utilize the saline and alkaline soil of the effectual improvement of plant for the salt content in saline and alkaline land tends to normal level gradually, and this structure can the anti - salt phenomenon of effectual reduction simultaneously, avoids salt at the surface crystallization in soil, and this structure easily obtains, low cost.
Description
Technical field
This utility model is related to soil improvement, is related specifically to a kind of coastal saline-alkali soil soil improvement Salt And Alkali Tolerance trees
Plant plant hole structure.
Background technology
In coastal area, particularly at the anti-tide dike of ocean, invaded and harassed by Caulis Piperis Kadsurae throughout the year, original soil type belongs to shore
Sea salt alkaline earth.Coastal saline-alkali soil the factor that the survival of plant and growth have a significant impact mainly is had it is following some：
（1）Salinity is higher：Summer high temperature day, due to the evaporation of moisture in soil, native table often has white salinity accumulation.Greatly
Some areas salinity is 1 ‰ ~ 4 ‰.
（2）PH value is higher：The P in soil H-number of subregion is between 8.5～9.0.
（3）Soil structures are poor：Soil structure is destroyed by salinity and alkalescence, shows as glutinous weight, arid when humidity
When it is very rigid.The permeability of soil is poor.
（4）The content of organic matter is low：After testing, the content of organic matter of coastal saline-alkali soil is low, less than Shanghai City engineering construction
Specification《Landscape engineering construction quality accident specification》For the requirement of Chinese garden planting soil in DG/TJ08-701-2008.
Based on it is above-mentioned the characteristics of, if we will carry out Urban Greening on coastal saline-alkali soil, build Afforestation Landscape, it is necessary to
Soil improvement is carried out to saline-alkali soil, arable seeds, and the corresponding planting patternss of Planting Design to seeds is screened,
The survival rate once transplanted can be improved, and the abundant landscape group of floristics is built out in coastal saline-alkali area.
The content of the invention
The technical problems to be solved in the utility model overcomes the shortcoming for being not easy to plant landscape trees on salt-soda soil, there is provided one
Plant the kind plant hole structure of the coastal saline-alkali soil soil improvement Salt And Alkali Tolerance trees that can effectively lift plant growing survival rate.This reality
The shortcoming in salt-soda soil can be overcome with specific kind of new plant hole structure, the once plantation survival rate of landscape trees is improved.
To solve the above problems, this utility model is adopted the following technical scheme that：
A kind of kind plant hole structure of coastal saline-alkali soil soil improvement with Salt And Alkali Tolerance trees, including bucket-shaped kind plant hole body,
The inner bottom part of described kind of plant hole body is provided with salinity sealing coat, planting plants use at the top of described kind of plant hole body, is provided with
Opening, the mulch film for covering the opening is provided with the top of described kind of plant hole body, the salinity sealing coat includes broken
Rock layers and nonwoven layer, the nonwoven layer are layed in the top of the metalling, arrange at the top of described kind of plant hole body
There is counnter attack salt deposit, the covering with ground sheeting is at the top of the counnter attack salt deposit.
Preferably, the area of the salinity sealing coat medium stone layer is greater than kind of an area for plant hole bottom.
Preferably, the depth of described kind of plant hole body is 100mm ~ 120mm.
Preferably, the spacing between the opening of the upper surface of the salinity sealing coat and kind plant hole body is 20mm ~ 70mm.
Preferably, the laying depth of the counnter attack salt deposit is 1mm-2mm.
Preferably, the nonwoven layer is at least provided with two-layer.
Preferably, for the ease of the movement and plantation of trees, tree root pocket bucket, the tree root are additionally provided with described kind plant hole
Pocket bucket is attached in kind of plant hole body.In structure design, described tree root pocket bucket is made up of plastic material, is also and plant pit structure
Close bucket structure, and be the network structure with intensive aperture.
Preferably, for the ease of kind of a draining for plant hole bottom, it is provided between described metalling and ground for extracting
The PVC drinking-water pipes of hydrops, for the extraction work when hydrops are arranged at kind of plant hole bottom.As optimization design, the four of kind of plant hole
Week arrange four PCV drinking-water pipes, fully meet hydrops it is excessive when uniform extraction.
With reference to the landscape design and soil improvement of beach saline land, there is following measure adopt in theory：
First, soil improvement.
1. gutter is excavated.Coastal saline-alkali the characteristics of one of be exactly that level of ground water is high, evaporation capacity is big, a large amount of with salt
After capillary water evaporation, alkali is stayed in ground the water of alkali, is controlled and saline and alkaline is first had to lowering of watertable.So we are low to physical features
Hollow saline and alkaline plot, by digging deep gutter, discharges the surface water, can take away part soil salt, lowering of watertable.It is each
It is secondary to rain heavily, it is exactly a desalinization of soil by flooding or leaching, the salinity of soil can be effectively reduced.
2. salinity sealing coat is laid.Using salinity sealing coat measure, salinity sealing coat, soil moved in improve the original and localized raised ground are laid
Etc. soil salt can be efficiently reduced, mima type microrelief site preparation is carried out.The exactly root system of plant distribution of 20～70cm soil layers is the closeest
The region of collection.If not taking salt reduction measure, the salinity of soil lower floor under capillary force effect can continue to rise and product with moisture
Gather in upper layer of soil.Lay at 1 meter of plant pit depth height that salinity sealing coat can rise with significant impact capillary and
Speed.
The project test shows that the salinity sealing coat that the material such as regeneration stone, sand, straw is arranged to is conducive to moisture
Under ooze, promote the drip washing of salinity, it is big mainly due to the porosity of salinity sealing coat, blocked the seriality of hollow billet, subtracted significantly
Few capillary force effect, so as to reduce rising of the salinity with moisture.4-6-8 of the salinity sealing coat primary structure for 8 ~ 10 centimeters of thickness
The additional 2 layers of 40g/ non-woven fabrics of stone layer.Stone layer voidage is big, can effectively intercept the rising of capillary.The effect master of non-woven fabrics
If after stopping that soil meets water, flowing into metalling, prevent from blocking the space between stone.
3. ground mulching.As the evaporation of soil moisture is the power that salinity rises, with materials such as straw, sand and mulch films
Ground surface is covered, the accumulation of salt in the surface soil can be suppressed, to prevent the soil water with less or cut off directly contacting for soil moisture and air
Divide evaporation.The project we the covering material that mainly adopts have straw, SHENGCAO.Test shows, using mulch film, straw, sand etc.
Surface covering is carried out to reproducing area, in addition to moisturizing is heated, prevents weed growth, covering can also reduce soil moisture loss,
Soil water utilization rate is improved, suppresses soil water evaporation, soil salt is reduced in the accumulation of top layer and root system of plant layer, prevented
The soil accumulation of salt in the surface soil, can effectively accumulate rainwater, prevent strike of the rainwater to soil, it is to avoid earth's surface crusts, and prevent earth's surface from steaming strongly
Send out, suppress the soil accumulation of salt in the surface soil, promote rainfall to drench salt.Covering can also keep low temperature constant, be that plant growing creates good conditions.
In addition, adopting vegetal cover material such as SHENGCAO, straw, can not only improve the ecological environment in forest land and orchard, also
The temperature and humidity of soil can be adjusted, is conducive to the growth of the root system of nursery stock.Most importantly vegetal cover can improve soil
The physicochemical character of earth, increased the content and fertility level of soil with organic matter.
4. applying organic manure.Fertilizer can increase the humus of soil, be conducive to the formation of crumb structure, improve saline-alkali soil
Ventilation, permeable and nutriment situation, the organic acid produced after decomposition can also sweetening of the soil alkalescence.The project is not using fermented
Air-dried, the Excreta of poultry in the hennery such as wet fertilizer, such as cattle manure, chicken manure.The method has necessarily in time
Require, at least 5 months, allow fertilizer fully to ferment decompositions, in original soil generation chemical reaction, improve original soil soil property.
2nd, seeds are screened
Beach salt-soda soil is higher to the Salt And Alkali Tolerance Capability Requirement of plant, and the seeds that can be used to plant trees are single, plant product
Plant less, it is difficult to build preferable landscape effect.Therefore, the task of top priority filters out a collection of beach salt-soda soil that is suitable for and grows
Green plants.In the construction and maintenance processes of old port utilization of regenerative energy center Afforestation Landscape engineering, screen some and be suitable for
This area beach salt-soda soil growing plants.
Based on above-mentioned technical proposal, plant pit structure of the present utility model through practical application, is achieving following beneficial effect
Really：
1. by using plant pit structure of the present utility model, can effectively lift the growth survival rate of plant, Jin Erli
Effectively improve saline and alkaline soil with plant so that the salinity in salt-soda soil gradually tends to normal level, while this structure can have
The anti-salt phenomenon of reduction of effect, it is to avoid surface crystallization of the salt in soil, this structure is easily obtained, with low cost.
2. one layer of tree root pocket bucket is increased in Curve guide impeller of the present utility model, can be avoided by arranging tree root pocket bucket
Little root hair results in blockage in extending into salinity sealing coat when growing, additionally it is possible to which the winding-type tree root transplanted is easy in formation.
3. the drinking-water pipe of straight-through salinity sealing coat is increased in Curve guide impeller of the present utility model, when water level is too high by salt
Water is extracted, it is ensured that tree root is unlikely to the too high impact trees normal growth of water level in normal growing environment.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is that the basic structure of the kind plant hole structure of this utility model coastal saline-alkali soil soil improvement Salt And Alkali Tolerance trees is shown
It is intended to.
Fig. 2 is the improved structure of the kind plant hole structure of coastal saline-alkali soil soil improvement Salt And Alkali Tolerance trees of the present utility model
Schematic diagram.
Fig. 3 is that the another kind of the kind plant hole structure of coastal saline-alkali soil soil improvement Salt And Alkali Tolerance trees of the present utility model changes
Enter structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to make to protection domain of the present utility model
Define.
For practical application, surface cover and open enough drainings in soil improvement be it is most economical, but from reality
It is from the point of view of the effect angle of output, only unobvious with single method effect, need various methods to combine and can be just satisfied with
Effect.In the southeast side to Shanghai Pudong New Area Lao Gang solid wastes base, project green coverage is 60,000 square metres, employs soil
Laying under layer covers the mode for combining every salt deposit and surface, economically all more satisfactory with effect.And part is relative
When low-lying Soils In The Region is improved, then need to take out the mode of enough drainings and ground mulching.
For enforcement of the present utility model, the mode that covers every salt deposit and surface is laid under soil layer to realize soil
Earth is improved and Landscape greening design, has been specifically designed special plant pit structure when Salt And Alkali Tolerance trees are planted, concrete such as Fig. 1 institutes
Show.As a kind of coastal saline-alkali soil soil improvement kind plant hole structure of Salt And Alkali Tolerance trees, including bucket-shaped kind plant hole body 1,
The inner bottom part of described kind of plant hole body 1 is provided with salinity sealing coat 2, the top of described kind of plant hole body 1 is provided with plantation and plants
The opening 101 of thing, is provided with the mulch film 3 for covering the opening 101, the salinity at the top of described kind of plant hole body 1
Sealing coat 2 includes metalling 211 and nonwoven layer 212, and the nonwoven layer 212 is layed in the top of the metalling 211,
The top of described kind of plant hole body 1 is provided with counnter attack salt deposit 4, and the mulch film 3 is covered in the top of the counnter attack salt deposit 4.
Used as a preferred embodiment in this utility model, the depth of described kind of plant hole body 1 is 120mm.The salt
Spacing between the upper surface for separating absciss layer 2 and the opening for planting plant hole body 1 is 70mm.The laying depth of the counnter attack salt deposit 4
For 2mm.The nonwoven layer 212 is provided with two-layer.
Preferably, as shown in Fig. 2 for the ease of the movement and plantation of trees, being additionally provided with tree root in described kind plant hole
Pocket bucket 5, the tree root pocket bucket 5 are attached in kind of plant hole body 1.In structure design, described tree root pocket bucket 5 is plastic material system
Into being also the bucket structure close with plant pit structure, and be the network structure with intensive aperture.
Preferably, as shown in figure 3, the area of 2 medium stone layer 211 of the salinity sealing coat is greater than kind of a face for plant hole bottom
Product.In addition to being easy to kind of a draining for plant hole bottom, it is provided with for extracting hydrops between described metalling 211 and ground
PVC drinking-water pipes 6, for the extraction work when hydrops are arranged at kind of plant hole bottom.As optimization design, arrange in the surrounding of kind of plant hole
Four PCV drinking-water pipes, fully meet hydrops it is excessive when uniform extraction.
By the investigation that carries out to the appliable plant in embodiment and analysis.It was found that following plant, survival rate is higher, growing way
Preferably.It is analyzed as follows：
Taxodium mucronatum：Light, likes warm and moist weather, water-fast wet, resists cold, and wind resistance power is strong, pest and disease damage is few, to salt tolerant
Alkaline earth is adaptable, and pH value up to 8.5, on the basic soil that salinity is 4 ‰ also can normal growth, survival rate
It is very high.
Middle mountain China fir：It is bald cypress, taxodium ascendens, the excellent interspecific hybrid of 3 seeds of Mexico China fir, it is Salt And Alkali Tolerance, water-fast wet, resist
Wind is strong, and pest and disease damage is few, fast growth.
Folium seu Cortex Nerii：Light, likes warm, moistening weather, can not resist cold;Drought hardiness is strong, soil is required not sternly, in alkaline soil
On can also grow.The strong adaptability of Folium seu Cortex Nerii, cultivation management are easier, plant or potted plant all more extensive.
Cypress, cypress ball：Cold-resistant, it is drought-resistant, avoid hydrops, to soil acidity or alkalinity strong adaptability, compared with Salt And Alkali Tolerance.In this project
In, cypress ball is one of survival rate highest plant of once transplanting.
Ramulus et Folium Tamariciss：High temperature resistant and severe cold are resistance to dry and water-fast wet, wind resistance resistance to alkaline earth again, can give birth in the heavy saline of salinity 1%
It is long.Survival rate 100%, and growing way is fine.
Herba Lythri Salicariae and false indigo：Can grow on the salinization soil of salinity below 0.7%, drought-resistant, resistance to water logging resists
It is cold.In the project, survival rate 100%.
Ultimate principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Simply illustrate principle of the present utility model, on the premise of without departing from this utility model spirit and scope, this utility model can also
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed this utility model.This utility model will
Protection domain is asked to be defined by appending claims and its equivalent.
Claims (10)
1. kind plant hole structure of a kind of coastal saline-alkali soil soil improvement with Salt And Alkali Tolerance trees, it is characterised in that：Including bucket-shaped kind
Plant hole body（1）, in described kind of plant hole body（1）Inner bottom part be provided with salinity sealing coat, the top of described kind of plant hole body
The opening of planting plants is provided with, the mulch film for covering the opening is provided with the top of described kind of plant hole body, it is described
Salinity sealing coat includes metalling and nonwoven layer, and the nonwoven layer is layed in the top of the metalling, in the plantation
Counnter attack salt deposit is provided with the top of the body of cave, the covering with ground sheeting is at the top of the counnter attack salt deposit.
2. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：The area of the salinity sealing coat medium stone layer is greater than kind of an area for plant hole bottom.
3. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：The depth of described kind of plant hole body is 100mm ~ 120mm.
4. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：Spacing between the opening of the upper surface and kind plant hole body of the salinity sealing coat is 20mm ~ 70mm.
5. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：The laying depth of the counnter attack salt deposit is 1mm-2mm.
6. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：The nonwoven layer is at least provided with two-layer.
7. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：Tree root pocket bucket is additionally provided with described kind plant hole, the tree root pocket bucket is attached in kind of plant hole body.
8. kind plant hole structure of the coastal saline-alkali according to claim 7 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：Described tree root pocket bucket is with foraminate network structure made by plastic material.
9. kind plant hole structure of the coastal saline-alkali according to claim 1 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：It is provided between described metalling and ground for extracting the PVC drinking-water pipes of hydrops.
10. kind plant hole structure of the coastal saline-alkali according to claim 9 soil soil improvement with Salt And Alkali Tolerance trees, its feature exist
In：In the PVC drinking-water pipes being formed around symmetrically described in four of each kind plant hole body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621136640.6U CN206118538U (en) | 2016-10-19 | 2016-10-19 | Strand saline -alkali soil soil amelioration is with kind plant hole structure of resistant saline and alkaline trees |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621136640.6U CN206118538U (en) | 2016-10-19 | 2016-10-19 | Strand saline -alkali soil soil amelioration is with kind plant hole structure of resistant saline and alkaline trees |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820931A (en) * | 2017-11-28 | 2018-03-23 | 佛山科学技术学院 | A kind of greening band structure beneficial to tree stabilizing of municipal works |
| CN109661867A (en) * | 2018-12-29 | 2019-04-23 | 华北水利水电大学 | It combines nested saline-alkali soil treatment method and administers set bucket |
| CN112567917A (en) * | 2020-12-03 | 2021-03-30 | 北京师范大学 | Method for improving tamarix chinensis community soil of salt marsh wetland |
-
2016
- 2016-10-19 CN CN201621136640.6U patent/CN206118538U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820931A (en) * | 2017-11-28 | 2018-03-23 | 佛山科学技术学院 | A kind of greening band structure beneficial to tree stabilizing of municipal works |
| CN109661867A (en) * | 2018-12-29 | 2019-04-23 | 华北水利水电大学 | It combines nested saline-alkali soil treatment method and administers set bucket |
| CN109661867B (en) * | 2018-12-29 | 2024-01-26 | 华北水利水电大学 | Combined sleeve type saline-alkali soil treatment method and treatment sleeve |
| CN112567917A (en) * | 2020-12-03 | 2021-03-30 | 北京师范大学 | Method for improving tamarix chinensis community soil of salt marsh wetland |
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