CN107371440A - The low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub stereo plantation method in arid area - Google Patents
The low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub stereo plantation method in arid area Download PDFInfo
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- CN107371440A CN107371440A CN201710698120.7A CN201710698120A CN107371440A CN 107371440 A CN107371440 A CN 107371440A CN 201710698120 A CN201710698120 A CN 201710698120A CN 107371440 A CN107371440 A CN 107371440A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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Abstract
A kind of low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub stereo plantation method in arid area, belong to saline-alkali land vegetation construction technique field, including ridging, the three-dimensional collocation plant of arbor, shrub, grass, salt-water regulation and field management, comprise the following steps：A, soil is subjected to ridging, ridge face is carried out after ridging smooth and break hardened processing；B, the plantation framework of herbaceous plant row, shrub row, herbaceous plant row, arbor row, herbaceous plant row, herbaceous plant row, shrub row, herbaceous plant row is formed in ridge face, shrub row is planted late at the spacing between adjacent ridge body；C, after above-mentioned plantation framework is completed, salt-water regulation is carried out；D, beginning and end of annual breeding time carries out spring irrigation and winter irrigation respectively, and plant is trimmed, protected, disease and pest control.Implantation methods of the present invention improve vegetation coverage, solve the problems, such as that arid area low-lying district alkaline land soil degree of salinity is high, level of ground water is high, the easy accumulation of salt in the surface soil and ecology fragility.
Description
Technical field
The invention belongs to saline-alkali land vegetation construction technique field, and in particular to a kind of arid area is low-lying to drip heavy salinizedly
Fill ridge culture Qiao's shrub stereo plantation method.
Background technology
In NORTHWEST CHINA inland arid area, physical features it is low it is flat, impeded drainage or rainwash are slow, the area collected,
It is widely distributed to have salt-soda soil.These alkaline land soil degrees of salinity are high, the easy accumulation of salt in the surface soil, and vegetation construction is difficult, and ecology is extremely fragile.
As national ecological construction dynamics continues to increase, the vegetation construction of the degraded land such as salt-soda soil and the weight for being restored to ecological construction
Want direction.
Drip irrigation low discharge, long-time, high-frequency irrigation feature, can be in vegetation whole growth period constantly washed off soil
Salinity, suppress salinity from lower soil or underground water to upper strata soil mobility, a good soil water is provided for vegetation growth
Salt environment.In low laying areas, playing high ridge can be with relative reduction level of ground water.Field test is found, existing low-lying heavy salinized
Under ground " drip irrigation+high ridge " technology mode, ridge face vegetation coverage is more than 70%, and growth is vigorous, but furrow vegetation survival rate is low,
Whole ridge face and furrow vegetation mean coverage are only 40% or so.This is primarily due to when ridge face and furrow while lays drip irrigation
During band, soil salt experienced " ridge body salinity redistribution ", " ridge body salinity migrates to furrow " and " ridge body, furrow synchronization desalination "
Three phases, when ridge face and furrow transplant vegetation simultaneously, in " ridge body salinity migrates to the furrow " stage, furrow soil salt meeting
Dramatically increase, more than the salt-tolerant threshold of vegetation, ultimately cause furrow vegetation mortality.Thus, research and develop a kind of furrow that improves and plant
By the implantation methods of survival rate be solve at present heavy salinized regional ecological construction there is an urgent need to.
The content of the invention
It is an object of the invention to provide low-lying heavy salinized ground drip irrigation ridge face furrow Qiao's shrub spatial planting technology, the skill
Art relatively reduces level of ground water by playing a high ridge, at the same the soil water matrix potential of controlling feature point in different threshold values stage by stage
Ground carries out salt-water regulation, and furrow vegetation " avoiding the peak hour " is planted, i.e., is planted in " ridge body, the furrow synchronization desalination " stage.The technology
A high-moisture less salt subregion constantly increased is formed in vegetation root area, is the offer of growing of ridge face and furrow Qiao's shrub
One good soil environment；And the soil water potential gradient for maintaining vegetation whole breeding time higher make it that soil water-stable aggregates are totally downward
Motion, suppress salinity from lower soil or underground water to upper strata soil mobility, so as to the purpose for reaching leaching salt, controlling salt.
The present invention is to realize that the technical scheme that its purpose uses is：
A kind of low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub stereo plantation method in arid area, including ridging, arbor, filling
The three-dimensional collocation plant of wood, grass, salt-water regulation and field management, comprise the following steps：
A, ridging：Soil is subjected to ridging, it is 40cm to control the spacing between adjacent ridge body, ridge face is carried out after ridging smooth
With broken hardened processing；
B, the three-dimensional collocation plant of arbor, shrub, grass：A line arbor is planted in ridge face centre position, away from both ends on the face of ridge
Each plantation a line shrub, herbaceous plant row are sowed at ridge face at the shoulder 35cm of ridge, formed herbaceous plant row, shrub row, herbaceous plant row,
Arbor row, herbaceous plant row, herbaceous plant row, shrub row, the plantation framework of herbaceous plant row, at the spacing between adjacent ridge body
Postpone shrub row；
C, salt-water regulation：Ridge is provided with drip irrigation zone on face, after above-mentioned plantation framework is completed, carries out 3-5 days lasting drip irrigations
Pour water, it is therefore an objective to which by the soil salt of 0~20cm depth, quickly lower soil is arrived in elution, and a high-moisture is formed in nursery stock root area
Less salt subregion, the growth for new plant seedling root provide good soil environment；Then control soil water matrix potential-
More than 5kPa 40-50 days, it is therefore an objective to the further salinity in elution ridge body, furrow, be the growth and expansion of the new root system of nursery stock on ridge
The soil environment that a bigger high-moisture low salt is provided is opened, while suitable soil ring is also provided for furrow vegetation construction
Border；Then control soil water matrix potential is by maintaining higher, downward soil more than -15kPa, the purpose of this stage
Water potential gradient, control soil salt reach seedling root distributed area from lower soil or underground water to upper strata soil movement；
D, field management：Annual breeding time beginning and end carries out spring irrigation and winter irrigation respectively, and plant is trimmed, prevented
Shield, disease and pest control.
In step B, arbor distance between rows and hills 300cm is controlled, plant pit a diameter of 30cm, depth 30cm, plant pit is interior to fill non-salt marsh
Soil；The spacing in the rows for controlling shrub row is 150-200cm, and 4 drip irrigation zones are provided with the face of ridge, and row broadcasts draft plant at the 10cm of drip irrigation zone
Thing, furrow set 1 drip irrigation zone, furrow shrub spacing in the rows 200cm.
In step A, a height of 80cm in ridge, ridge face width 200cm of ridge body obtained by ridging.
In step B, shrub row is planted late at the spacing between adjacent ridge body, is 0- at the spacing between adjacent ridge body
30cm deep soil saturation mud extract solutions electrical conductivity≤4dS/m, or planted during in-situ soil electric conductivity≤2.5dS/m
Shrub row.In-situ soil electric conductivity is the soil conductivity in field test with Portable conductivity meter.
In step C, it is described control soil water matrix potential include more than -5kPa, immediately below water dropper on drip irrigation belt 20cm and
Soil water matrix potential lower limit is monitored with depressimeter at 50cm, when the soil water matrix potential of any depth is reduced to -5kPa immediately
Irrigated, each irrigation quantity is 10mm, 40-50 days duration；The control soil water matrix potential wraps more than -15kPa
Include, soil water matrix potential lower limit is being monitored with depressimeter at 20cm and 50cm immediately below water dropper on drip irrigation belt, when the soil of any depth
Earth water-based gesture is irrigated immediately when being reduced to -15kPa, and each irrigation quantity is 10mm.
In the growth and development of plants stage, by the Integration of Water into Fertilizer, salt-water regulation drip irrigation fertigation is utilized.Apply every year
Fertilizer is generally divided into three times, and for the first time in after spring irrigation 1 week, second of fertilising is annual June, third time fertilising is annual August
Part, each dose is urea 7.3g/m2, the amount of potassium dihydrogen phosphate is 5.9g/m2。
Step D field management also includes cradling to herbal, cradles every year twice, fertigation is carried out after cradling.
In step D, the irrigation quantity of spring irrigation and winter irrigation is 40mm.
The arbor selects economical arbor, and herbaceous plant selects herbage, and the shrub of ridge face plantation is filled from moderate salt tolerant
Wood, the Salt And Alkali Tolerance threshold value of the moderate salt tolerant shrub select salt tolerant shrub in 2-4dS/m, the shrub row of delayed implantion.
Non-salty-soil described in step B includes sandy soil, sandy loam or loam.
The beneficial effects of the invention are as follows：
The present invention is by will drip irrigation salt-water regulation, ridge culture, furrow (at the spacing between adjacent ridge body) vegetation are " wrong stage by stage
The technology mode of peak " plantation, the collocation plantation of tall shrub etc., realizes the vegetation construction of ridge face and furrow multilayer stereo formula, carries
High vegetation coverage, solve arid area low-lying district alkaline land soil degree of salinity is high, level of ground water is high, the easy accumulation of salt in the surface soil and
The problem of vegetation pattern is single, ecology fragility.The present invention proposes the vegetation construction method of ridge face and furrow multilayer stereo formula,
Salt-water regulation irrigation program stage by stage is formulated, innovation and practicality is strong, simple to operate, easy to spread, is low-lying severe salt
Alkali revegetation and ecological construction effective ways.With the present invention when saline-alkali wetland carries out experiment and demonstration, soil salt
Dividing reduces significantly, ridge face and furrow arbor, shrub and careless riotous growth, achieves good effect.Experiment shows, using this hair
After bright 2 years, in low-lying heavy salinized ground 0-120cm soil layers soil salt reduce by 62.3%, ridge face arbor storage rate 85% with
On, shrub storage rate is more than 75%, and careless species increases to 15 kinds by 2 kinds planted originally, furrow salt tolerant shrub storage rate
Up to 70%, whole ridge face and furrow vegetation mean coverage are up to 65%, ecological recovery significant effect, before having wide application
Scape.
Brief description of the drawings
Fig. 1 is the plantation schematic diagram of the present invention.
In accompanying drawing, 1 represents ridge body, and 2 represent arbor, and 3 represent moderate salt tolerant shrub, and 4 represent herbaceous plant, and 5 represent salt tolerant
Shrub, 6 represent depressimeter, and 7 represent drip irrigation zone, and 8 represent ridge face, and 9 represent plant pit.
Embodiment
In order to improve furrow vegetation survival rate, vegetation coverage is improved, the present invention proposes furrow vegetation " avoiding the peak hour " plantation,
I.e. plantation ridge ditch vegetation when, to avoid " ridge body salinity migrate to furrow " stage, enter in " ridge body, the furrow synchronization desalination " stage
OK, and from salt tolerant vegetation.This significantly improves furrow vegetation survival rate, and whole ridge face and furrow vegetation mean coverage carry
It is high by more than 60%, obtain good ecology of alkali saline land recovery effects.The present invention is made into one with reference to specific embodiment
The explanation of step.
2015-2016 of the present invention is in the new forest farm northwest ecology of alkali saline land of Wuzhong City Qingtongxia, Ningxia Hui Autonomous Region city tree
Recover key technology research with having carried out experiment on the saline-alkali wasteland on Demonstration Base (38o1 ' 44 " N, 105o56 ' 36 " E) to show
Model, it was demonstrated that significant effect of the present invention.
Experiment and demonstration base is located in Northwest inland, the area that crosses of east monsoon region and In China West Arid Land domain, temperate zone in category
Continental climate, make a clear distinction between the four seasons, day and night temperature is big, annual sunshine 2955h, 8.3-8.6 DEG C Celsius of average temperature of the whole year, frost-free period
176d, annual precipitation 260.7mm.Experiment and demonstration base physical features is low flat, is located in Yellow River irrigation edge, underground water buried depth is in 120-
150cm, salinity aggregation is obvious, and earth's surface has salt efflorescence or skinning.0-120cm soil basis physicochemical property is as shown in table 1, and soil is average
Salt content is 6.67 ‰, and it 7.63 is severe salinized soil that average pH, which is, and the soil texture is based on sandy soil.Irrigation water is Huanghe water, its
Salinity is 0.47g/L, pH 7.95.
The Ningxia Qingtongxia demonstration area 0-120cm soil total salts of table 1 and pH
Furrow Qiao's shrub solid growth experiment in drip irrigation ridge face is carried out on experiment and demonstration base using the present invention within 2015, its
Experiment arrangement and result are as follows：
Experiment ridging size is ridge face width 200cm, the high 80cm in ridge, can be according to underground water buried depth, soil matter during practical application
The actual conditions such as ground are adjusted.Manually ridge body is made real after ridging, ridge face is smooth and abolishes hardened.The equally laying 4 of ridge face
Drip irrigation zone, drip irrigation zone spacing 50cm, furrow lay 1 drip irrigation zone, water dropper spacing 30cm, the dripping end flow under 10m head pressures
For 1.38L/h.
Ridge face is according to arbor, shrub, the collocation plantation of careless three types vegetation, wherein a kind of arbor, is European-American Poplar, shrub 3
Kind, respectively false indigo, pumila and Chinese tamarisk, careless 2 kinds of class is prairie milk vetch and alfalfa.Arbor is planted among ridge, spacing in the rows
300cm, the diameter of plant pit are 30cm, depth 30cm, and sandy soil or loam are filled in cave；3 kinds of shrubs are staggeredly planted in ridge face both sides
Between ridge at 35cm, per the row variety classes shrub of ridge two, its collocation mode is respectively false indigo-pumila, false indigo-Gui
Willow, pumila-Chinese tamarisk, shrub spacing in the rows 150cm；Prairie milk vetch and alfalfa row are sowed at ridge face, and herbaceous plant row plants 5 rows altogether,
As shown in accompanying drawing herbage 4, from drip irrigation zone spacing 10cm or so.
Furrow delayed implantion Chinese tamarisk and false indigo, spacing in the rows 200cm, as shown in accompanying drawing salt tolerant shrub 5.
After vegetation plant irrigation management is carried out using three stage salt-water regulation methods.Enter immediately after transplanting in by the end of May, 2015
The lasting drip irrigation of 3 days behavior phases is poured water, it is therefore an objective to by the salt leaching of 20cm depth to lower soil, in the vegetation newly transplanted
Root area forms micro- soil environment of a suitable high-moisture low salt.Strengthen the elution stage (the lasting drip irrigation filling of 3 days by a definite date
Water) terminate after enter conventional salt leaching, this stage soil water matrix potential is controlled more than -5kPa, when monitoring 20cm and
50cm any deep soil water-based gesture is poured water 10mm immediately when being reduced to -5kPa, and the duration is 50 days.Conventional salt leaching
Stage enters the accurate salt-water regulation stage after terminating, and this stage soil water matrix potential is controlled more than -15kPa, when monitoring
20cm and 50cm is irrigated immediately when deep soil water-based gesture is reduced to -15kPa, irrigation quantity 10mm, is pressed always afterwards
Irrigated according to the irrigation method of phase III.
In addition, annual fertigation is irrigated three times, for the first time in after spring irrigation 1 week, second of fertilising is annual June,
Third time fertilising is annual August part, and each dose is urea 7.3g/m2, the amount of potassium dihydrogen phosphate is 5.9g/m2。
By the present invention in above-mentioned low-lying heavy salinized terrestrial applications, good ecological recovery effect is achieved after 2 years.Arrive
2nd year breeding time terminated, and 0-120cm soil salts reduce significantly, was reduced to 2.5 ‰ by original 7 ‰ or so, salinity reduces width
Degree is more than 60%.Trial zone ridge face 2 years storage rates of European-American Poplar are more than 85%, and 2 years storage rates of shrub are more than 75%, experiment
Area's herb species increase to 15 kinds by 2 kinds planted originally, and furrow false indigo and Chinese tamarisk storage rate are more than 70%, ridge face and ridge
For ditch entirety vegetation mean coverage up to 65%, the prairie milk vetch and clover Mowing Two times total solids yield of plantation reach 4250kg/
hm2。
Using the present invention, low-lying heavy salinized waste it is successfully made that ridge face furrow is multi-level, tall shrub is more on the ground above-mentioned
The three-dimensional vegetation construction of kind vegetation pattern collocation, soil physico-chemical property improves after 2 years, and ridge face, furrow vegetation growth are good, tall-
Filling-multi-level ecosystem of grass collocation is tentatively established.The saline-alkali wetland that there is large area the Northwest has pending Vegetation Construction,
Therefore, low-lying heavy salinized ground drip irrigation ridge face furrow Qiao's shrub spatial planting technology provided by the invention can be local salt-soda soil
Vegetation Construction and Improvement of Ecological Environment provide technical support, have a extensive future.
The embodiment that the present invention enumerates is intended to further illustrate the tall filling of saline-alkali wetland drip irrigation ridge face of the present invention furrow
Careless spatial planting technology, without forming any restrictions to the scope of the present invention.
Claims (10)
1. a kind of low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub stereo plantation method in arid area, including ridging, arbor, filling
The three-dimensional collocation plant of wood, grass, salt-water regulation and field management, it is characterised in that comprise the following steps：
A, ridging：Soil is subjected to ridging, it is 40cm to control the spacing between adjacent ridge body, ridge face is carried out after ridging smooth and broken
Hardened processing；
B, the three-dimensional collocation plant of arbor, shrub, grass：A line arbor is planted in ridge face centre position, away from both ends ridge shoulder on the face of ridge
Each plantation a line shrub, herbaceous plant row are sowed at ridge face, form herbaceous plant row, shrub row, herbaceous plant row, arbor at 35cm
Row, the plantation framework of herbaceous plant row, herbaceous plant row, shrub row, herbaceous plant row, postpone at the spacing between adjacent ridge body
Plant shrub row；
C, salt-water regulation：Ridge is provided with drip irrigation zone on face, after above-mentioned plantation framework is completed, carries out 3-5 days lasting drip irrigations and pours water,
Then control soil water matrix potential then controls soil water matrix potential more than -15kPa in -5kPa above 40-50 days；
D, field management：Annual breeding time beginning and end carries out spring irrigation and winter irrigation respectively, and plant is trimmed, protect, controlled
Pest and disease damage processed.
A kind of 2. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in step B, control arbor distance between rows and hills 300cm, plant pit a diameter of 30cm, depth 30cm, plant pit is interior to fill
Non-salty-soil；The spacing in the rows for controlling shrub row is 150-200cm, and 4 drip irrigation zones are provided with the face of ridge, and row is broadcast at the 10cm of drip irrigation zone
Herbaceous plant, furrow set 1 drip irrigation zone, furrow shrub spacing in the rows 200cm.
A kind of 3. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in step A, a height of 80cm in ridge, ridge face width 200cm of ridge body obtained by ridging.
A kind of 4. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in step B, shrub row is planted late at the spacing between adjacent ridge body, is the spacing between adjacent ridge body
Locate 0-30cm deep soil saturation mud extract solutions electrical conductivity≤4dS/m, or carried out during in-situ soil electric conductivity≤2.5dS/m
Plant shrub row.
A kind of 5. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in step C, the control soil water matrix potential includes more than -5kPa, immediately below water dropper on drip irrigation belt
Soil water matrix potential lower limit is monitored with depressimeter at 20cm and 50cm, when the soil water matrix potential of any depth is reduced to -5kPa
When irrigated immediately, each irrigation quantity is 10mm, 40-50 days duration；The control soil water matrix potential is in -15kPa
Include above, soil water matrix potential lower limit is being monitored with depressimeter at 20cm and 50cm immediately below water dropper on drip irrigation belt, when any depth
The soil water matrix potential of degree is irrigated immediately when being reduced to -15kPa, and each irrigation quantity is 10mm.
A kind of 6. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in the growth and development of plants stage, by the Integration of Water into Fertilizer, utilize salt-water regulation drip irrigation fertigation.
A kind of 7. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that step D field management also includes cradling to herbal, cradles twice, is irrigated after cradling every year
Fertilising.
A kind of 8. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that in step D, the irrigation quantity of spring irrigation and winter irrigation is 40mm.
A kind of 9. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 1
Method, it is characterised in that the arbor selects economical arbor, and herbaceous plant selects herbage, and the shrub of ridge face plantation selects moderate
Salt tolerant shrub, shrub row is planted late and selects salt tolerant shrub.
A kind of 10. low-lying heavy salinized ground drip irrigation ridge culture Qiao shrub solid growth side in arid area according to claim 2
Method, it is characterised in that the non-salty-soil described in step B includes sandy soil, sandy loam or loam.
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Cited By (5)
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| CN109661966A (en) * | 2019-03-04 | 2019-04-23 | 山东农业大学 | A kind of salt-soda soil woods shrub symbiosis implantation methods |
| CN111642336A (en) * | 2020-06-23 | 2020-09-11 | 滨州职业学院 | Method for improving saline-alkali soil of closed irrigation area by combining arbor, shrub and grass |
| CN113197025A (en) * | 2021-03-10 | 2021-08-03 | 巴彦淖尔市农牧业科学研究院 | Sunflower high-ridge film-covering drip irrigation salt-inhibiting planting method |
| CN115191170A (en) * | 2022-08-11 | 2022-10-18 | 吉林省农业科学院 | Time-staggered composite introduction method for pioneer species of severely degraded soda saline-alkali grassland |
| CN115553174A (en) * | 2022-11-10 | 2023-01-03 | 中国科学院新疆生态与地理研究所 | Method for promoting restoration and reconstruction of damaged ecological system in arid region |
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| CN109661966A (en) * | 2019-03-04 | 2019-04-23 | 山东农业大学 | A kind of salt-soda soil woods shrub symbiosis implantation methods |
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