CN105594445A - Low-cost greening method for coastal hydraulic reclamation high-saline-and-alkaline exposed field - Google Patents
Low-cost greening method for coastal hydraulic reclamation high-saline-and-alkaline exposed field Download PDFInfo
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- CN105594445A CN105594445A CN201610107176.6A CN201610107176A CN105594445A CN 105594445 A CN105594445 A CN 105594445A CN 201610107176 A CN201610107176 A CN 201610107176A CN 105594445 A CN105594445 A CN 105594445A
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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
Abstract
The invention relates to a low-cost greening method for a coastal hydraulic reclamation high-saline-and-alkaline exposed field. Tamarix chinensis plants are made to be in the growth mode of 'activation growth-low salinity adaptation-high salinity dormancy-low salinity fast growth' under domestication and induction by regulating the gradient arrangement of the salinity environment reasonably, so that the salt tolerance of tamarix chinensis is improved and establishment of a coastal hydraulic reclamation high-saline-and-alkaline exposed field ecology landscape is achieved. By achieving quick establishment of the hydraulic reclamation high-saline-and-alkaline exposed field ecology landscape through reasonable regulation of the gradient arrangement of the plantlet environment, salt elimination is not needed, soil condition improvement is not needed, and compared with the existing saline-alkali soil greening technique characterized in soil condition improvement and salt elimination, the method has the advantages that engineering load is reduced greatly, maintenance investment is not needed, cost is low, and construction cost is only 5-10% that of the existing saline-alkali soil greening technique.
Description
Technical field
The present invention relates to the technical method of a kind of strand geavy salt alkali open ground low cost greening, particularly a kind of strand hydraulic reclamation weightThe technical method of saline and alkaline open ground low cost greening.
Background technology
Strand barged-in fill is the warp that utilizes offshore dredging seabed mud out to form by waterpower hydraulic reclamation. Be subject to briny environment shadowRing, barged-in fill quality clings, and salt content is high, alkalescence is strong, and plant is difficult to survive, especially when soil salt content >=25g/kg is (heavySalt-soda soil) time, under natural conditions, the strong salt tolerant such as Chinese tamarisk, Suaeda salsa and halophytes cannot grow at all, newborn hydraulic reclamation landTerritory is open ground state, existingly can realize newborn reclaimed land taking " improving the soil " and " salt discharge engineering " as main greening techniqueGround is by planting, but cost is high, and quantities is large, and strand hydraulic reclamation open ground mostly is the provisional idle land used of construction, existing greenChange technology is unsuitable for the ecological management of hydraulic reclamation open ground, is therefore badly in need of a kind of low cost, quick, effective strand geavy salt alkaliThe greening method of hydraulic reclamation open ground.
Summary of the invention
Technical problem to be solved by this invention is to provide the low cost greening method of a kind of strand hydraulic reclamation geavy salt alkali open ground, especiallyBeing the low cost greening technique method of salt content >=25g/kg heavy saline, is mainly to join by the gradient of Reasonable Regulation And Control salt time-sharing environmentPut, domestication, induction Chinese tamarisk plant enter the growth pattern of " activating growth-less salt adaptation-Gao salt dormancy-less salt swashs long ", therebyPromote Chinese tamarisk salt tolerance, realize the structure of strand hydraulic reclamation geavy salt alkali open ground ecoscape.
For solving above-mentioned technical problem, technical scheme of the present invention is:
A kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply, comprises the steps:
(1), the investigation of hydraulic reclamation open ground yet to be built sampling, carry out soil salt content analysis;
(2), gather 1-2 raw Chinese tamarisk branch, remove side shoot (leaf), be cut into the cutting of 15-20cm, upper cut face is straight, underCut sides is inclined-plane;
(3), Chinese tamarisk cutting carried out to water rinse to surface cleaning, place in 95% alcohol liquid and soak 20-60min, take out;
(4), Chinese tamarisk cutting is carried out, after water flushing 3-5min, placing in aquamanile and soaking 1-2d, taking-up;
(5), press root-growing agent and water volume ratio 1:400-1:600 proportional arrangement root-growing agent solution, cutting is placed in root-growing agent solution and is soakedBubble 30min-2h, takes out, and rinses;
(6), cutting is placed in water and is soaked 10-15d, taking-up;
(7), configuration 10-20g/L NaCl salting liquid, Chinese tamarisk cutting is placed in this salting liquid and is soaked 3-5d, take out;
(8), configuration 80-100g/L NaCl salting liquid, Chinese tamarisk cutting is placed in this salting liquid and is soaked 15-30d, take out;
(9), configuration than the NaCl salting liquid of the high 5-10 ‰ of hydraulic reclamation open ground soil salt content yet to be built, Chinese tamarisk cutting is placed to this salt moltenImmersion >=5d in liquid, takes out;
(10), hydraulic reclamation open ground yet to be built is planted.
In above-mentioned technical method, investigation described in step (1) is sampled as 0-40cm topsoil collecting soil sample;
In above-mentioned technical method, the Chinese tamarisk branch that described in step (2), Chinese tamarisk branch is diameter >=3mm;
In above-mentioned technical method, described in step (3), soak and be soaked in alcohol liquid for Chinese tamarisk cutting complete stool;
In above-mentioned technical method, the aquamanile described in step (4) is any clean open-top receptacle that can splendid attire water;
In above-mentioned technical method, described in step (4), (5), (6), (7), (8), (9), soak, for to Chinese tamarisk cutting inclined-plane otchEnd soaks, and soaking depth is 1/3-2/3 cutting length;
In above-mentioned technical method, described in step (3), (4), (5), (6), water is running water;
In above-mentioned technical method, root-growing agent described in step (5) is No. 1, prosperous long root.
In above-mentioned technical method, described in step (5), rinse as rinsing under water tap washing time 5-10s;
In above-mentioned technical method, soil salt content described in step (9) is that 0-40cm shows native salt content;
In above-mentioned technical method, described in step (9), take out, for Chinese tamarisk cutting is placed higher than hydraulic reclamation open ground soil salt content yet to be builtIt is 5d-35d that the NaCl salting liquid of 5-10 ‰ gradient soaks soak time, and open ground yet to be built is through rainfall or manual watering, 0-40Cm topsoil soil quality moisture content, more than 23%, now, can take out;
In above-mentioned technical method, described in step (10), plant and require soil quality moisture content more than 23%, planting system is hedge plantingOr dibbling, ensure that Chinese tamarisk cutting thickness of earth-fill cover meets 1/2-2/3 cutting length.
The present invention also provides the application of said method in the hydraulic reclamation geavy salt alkali open ground of salt content >=25g/kg strand.
The beneficial effect that the present invention has:
1) barged-in fill quality in strand clings, salt content is high, alkalescence is strong, in the time that soil salt content exceedes 25g/kg, and Chinese tamarisk, saline landAlkali strong salt tolerant such as fluffy grade and halophytes all cannot survive, and the present invention passes through the gradient configuration of Reasonable Regulation And Control nursery stock environment salinity, domestication,Induction Chinese tamarisk plant successively enters " activating growth-less salt adaptation-Gao salt dormancy-less salt swashs long " pattern, has promoted the salt tolerant of Chinese tamariskProperty, can realize the structure of the above strand of salt content 25g/kg hydraulic reclamation geavy salt alkali open ground ecoscape.
2) the technology of the present invention is configured and then is realized the ecological landscape of geavy salt alkali hydraulic reclamation open ground by Reasonable Regulation And Control nursery stock environment salinity gradientThe rapid build of seeing, neither does salt discharge engineering, does not also improve the soil, with the existing salt taking " improving the soil " and " salt discharge engineering " as masterAlkali ground greening technique is compared, and quantities greatly reduces, and does not need maintenance to drop into, and with low cost, its construction cost is only existing saltThe 5%-10% of alkali ground greening technique.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
A kind of strand hydraulic reclamation geavy salt alkali open ground greening method is cheaply mainly to join by the gradient of Reasonable Regulation And Control salt time-sharing environmentPut, domestication, induction Chinese tamarisk plant enter the growth pattern of " activating growth-less salt adaptation-Gao salt dormancy-less salt swashs long ", therebyPromote Chinese tamarisk salt tolerance, realize the structure of strand hydraulic reclamation geavy salt alkali open ground ecoscape.
Embodiment:
Case Experiments On A is in mid-May, 2015, at greening group of Tianjin Southern port industrial area Taida original soil greening research baseLaunch trial zone area 800m on the ground2(40m × 20m), 0-40cm topsoil salt content average is 37.2g/kg, pH value8.39, open ground, without plant life. Trial zone is divided into two, every 400m2(20m × 20m), one as thisExperimental field, another piece is the conventional method Chinese tamarisk check plot of planting in invention. Concrete implementation step is:
A kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply, comprises the steps: to layout by " checkerboard type method " rightTrial zone 0-40cm topsoil carries out sample collection, gathers altogether 30 typical sampling points, indoorly carries out soil salt content analysis; AdoptThe Chinese tamarisk branch of life in 1 year in collection original soil greening base, About Seashore Tourist Trade district, diameter >=3mm, removes side shoot (leaf), is cut intoThe cutting that 15cm is long, upper cut face is straight, and incision actinal surface is inclined-plane; Chinese tamarisk cutting is carried out to running water rinses to surface cleaningAfter, cutting complete stool is placed in 95% alcohol liquid and soaks 30min, take out; Chinese tamarisk cutting is positioned under running water and rinses 3minAfter, inclined-plane cut ends is positioned in scuttlebutt and soaks 1d, soaking depth is 1/2 cutting length, takes out; Press No. 1, prosperous long root withWater volume ratio 1:500 proportional arrangement solution, is positioned over cutting inclined-plane cut ends in prosperous long root solution and soaks 30min, soaking depthBe 1/2 cutting length, take out, be positioned under water tap and rinse 5s; After flushing finishes, by cutting inclined-plane cut ends and withUpper 1/2 cutting length section is positioned in clear water, soaks 12d, takes out; The NaCl salting liquid of configuration 15g/L, by oblique Chinese tamarisk cuttingFace cut ends and above 1/2 cutting length section are placed in this salting liquid and are soaked 4d, take out; The NaCl salting liquid of configuration 85g/L,Chinese tamarisk cutting inclined-plane cut ends and above 1/2 cutting length section are placed in this salting liquid, soak 20d, take out; Configuration 45g/LNaCl salting liquid, Chinese tamarisk cutting inclined-plane cut ends and above 1/2 cutting length section are placed in this salting liquid, soak; After 8 days,Trial zone has experienced a rainfall, and trial zone 0-40cm topsoil soil quality moisture content reaches 28.2%, now, takes out and soaksChinese tamarisk cutting, hedge planting, the spacing in the rows of planting 0.8m, line-spacing 1.0m, Chinese tamarisk cutting thickness of earth-fill cover is 1/2 cutting length.
A kind of Chinese tamarisk method for planting of routine is: gather life in 1 year in original soil greening base, About Seashore Tourist Trade district, diameter >=3mmChinese tamarisk branch, remove side shoot (leaf), be cut into the long cutting of 15cm, upper cut face is straight, incision actinal surface is inclined-plane; By GuiWillow cutting is carried out running water and is rinsed to surface cleaning, cutting is positioned in the ABT rooting powder solution of 100mg/kg, soaks 2hLeft and right, plants.
Trial zone Chinese tamarisk plant percent and growing state were measured in after planting the 60th day, result demonstration, two trial zones are everyChinese tamarisk cutting 500 strains of respectively planting of individual region, the conventional method Chinese tamarisk district of planting, survives nursery stock 0 strain, and plant is all dead; The present inventionThe technology Chinese tamarisk district of planting, survives plant and amounts to 339 strains, and survival rate reaches 67.8%, and compared with conventional method for planting, effect is remarkable,And having survived plant individual plant all has 2-3 side shoot, wherein the longest side shoot length reaches 5-12cm length, and growing way is vigorous.
The above, be only preferred embodiment of the present invention, not technical scheme of the present invention made to any pro forma limitSystem, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all stillBelong in the scope of technical scheme of the present invention.
Claims (10)
1. a strand hydraulic reclamation geavy salt alkali open ground greening method cheaply, is characterized in that: comprise the steps:
(1), the investigation of hydraulic reclamation open ground yet to be built sampling, carry out soil salt content analysis;
(2), gather 1-2 raw Chinese tamarisk branch, remove side shoot (leaf), be cut into the cutting of 15-20cm, upper cut face is straight, incision actinal surface is inclined-plane;
(3), Chinese tamarisk cutting carried out to water rinse to surface cleaning, place in 95% alcohol liquid and soak 20-60min, take out;
(4), Chinese tamarisk cutting is carried out, after water flushing 3-5min, placing in aquamanile and soaking 1-2d, taking-up;
(5), press root-growing agent and water volume ratio 1:400-1:600 proportional arrangement root-growing agent solution, cutting is placed in root-growing agent solution and is soaked 30min-2h, take out, rinse;
(6), cutting is placed in water and is soaked 10-15d, taking-up;
(7), configuration 10-20g/L NaCl salting liquid, Chinese tamarisk cutting is placed in this salting liquid and is soaked 3-5d, take out;
(8), configuration 80-100g/L NaCl salting liquid, Chinese tamarisk cutting is placed in this salting liquid and is soaked 15-30d, take out;
(9), configuration than the NaCl salting liquid of the high 5-10 ‰ of hydraulic reclamation open ground soil salt content yet to be built, Chinese tamarisk cutting is placed to immersion >=5d in this salting liquid, take out;
(10), hydraulic reclamation open ground yet to be built is planted.
2. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, is characterized in that: investigation described in step (1) is sampled as 0-40cm topsoil collecting soil sample.
3. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, is characterized in that: the Chinese tamarisk branch that described in step (2), Chinese tamarisk branch is diameter >=3mm.
4. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, is characterized in that: described in step (3), soak and be soaked in alcohol liquid for Chinese tamarisk cutting complete stool.
5. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, it is characterized in that: described in step (4), (5), (6), (7), (8), (9), soak, for Chinese tamarisk cutting inclined-plane cut ends is soaked, soaking depth is 1/3-2/3 cutting length.
6. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, is characterized in that: root-growing agent described in step (5) is No. 1, prosperous long root.
7. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, is characterized in that: described in step (5), rinse as under water tap and rinse, washing time 5-10s.
8. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, it is characterized in that: described in step (9), take out, placing higher than the NaCl salting liquid immersion soak time of hydraulic reclamation open ground soil salt content 5-10 yet to be built ‰ gradient for Chinese tamarisk cutting is 5d-35d, and open ground yet to be built is through rainfall or manual watering, 0-40cm topsoil soil quality moisture content is more than 23%, now, can take out.
9. a kind of strand hydraulic reclamation geavy salt alkali open ground greening method cheaply according to claim 1, it is characterized in that: described in step (10), plant and require soil quality moisture content more than 23%, planting system is hedge planting or dibbling, ensures that Chinese tamarisk cutting thickness of earth-fill cover meets 1/2-2/3 cutting length.
10. the application of method in the hydraulic reclamation geavy salt alkali open ground of salt content >=25g/kg strand described in claim 1-9 any one.
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| CN106857156A (en) * | 2017-03-01 | 2017-06-20 | 天津泰达绿化集团有限公司 | A kind of technical method of strand hydraulic reclamation open ground low cost greening |
| CN107646229A (en) * | 2017-11-03 | 2018-02-02 | 天津泰达绿化集团有限公司 | A kind of technical method of strand hydraulic reclamation open ground soil quick desalination |
| CN108207159A (en) * | 2017-12-29 | 2018-06-29 | 天津海林农业科技发展有限公司 | A kind of exposed heavy saline covers green dust-suppression method |
| CN109566236A (en) * | 2018-12-29 | 2019-04-05 | 山东省林业科学研究院 | A method of improving heavy saline Chinese tamarisk fast-growth |
| CN110268907A (en) * | 2019-07-29 | 2019-09-24 | 天津泰达盐碱地绿化研究中心有限公司 | A kind of loguat leaf Jia Opulus is in beach saline land introduction and acclimatization and mating system |
| CN110447501A (en) * | 2019-09-25 | 2019-11-15 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | A kind of method that Chinese tamarisk seedlings after budding are transplanted using salt water in salt-soda soil |
| CN110800413A (en) * | 2019-12-02 | 2020-02-18 | 天津泰达绿化集团有限公司 | Ecological restoration method for coastal saline-alkali soil |
| CN112956390A (en) * | 2021-03-04 | 2021-06-15 | 天津泰达盐碱地绿化研究中心有限公司 | Overwintering maintenance method for fruit blues in northern coastal areas |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106857156A (en) * | 2017-03-01 | 2017-06-20 | 天津泰达绿化集团有限公司 | A kind of technical method of strand hydraulic reclamation open ground low cost greening |
| CN107646229A (en) * | 2017-11-03 | 2018-02-02 | 天津泰达绿化集团有限公司 | A kind of technical method of strand hydraulic reclamation open ground soil quick desalination |
| CN108207159A (en) * | 2017-12-29 | 2018-06-29 | 天津海林农业科技发展有限公司 | A kind of exposed heavy saline covers green dust-suppression method |
| CN109566236A (en) * | 2018-12-29 | 2019-04-05 | 山东省林业科学研究院 | A method of improving heavy saline Chinese tamarisk fast-growth |
| CN110268907A (en) * | 2019-07-29 | 2019-09-24 | 天津泰达盐碱地绿化研究中心有限公司 | A kind of loguat leaf Jia Opulus is in beach saline land introduction and acclimatization and mating system |
| CN110268907B (en) * | 2019-07-29 | 2021-11-23 | 天津泰达盐碱地绿化研究中心有限公司 | Method for introducing, domesticating and breeding viburnum komarovii in coastal saline-alkali soil |
| CN110447501A (en) * | 2019-09-25 | 2019-11-15 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | A kind of method that Chinese tamarisk seedlings after budding are transplanted using salt water in salt-soda soil |
| CN110447501B (en) * | 2019-09-25 | 2021-11-30 | 中国科学院遗传与发育生物学研究所农业资源研究中心 | Method for transplanting budded tamarix chinensis big seedlings in saline-alkali soil by using saline water |
| CN110800413A (en) * | 2019-12-02 | 2020-02-18 | 天津泰达绿化集团有限公司 | Ecological restoration method for coastal saline-alkali soil |
| CN112956390A (en) * | 2021-03-04 | 2021-06-15 | 天津泰达盐碱地绿化研究中心有限公司 | Overwintering maintenance method for fruit blues in northern coastal areas |
| CN112956390B (en) * | 2021-03-04 | 2022-05-13 | 天津泰达绿化科技集团有限公司 | Overwintering maintenance method for fruit blues in northern coastal areas |
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Effective date of registration: 20190419 Address after: No. 26 Muning Road, Binhai New Area Development Zone, Tianjin City, 300457 Patentee after: Tianjin Teda Institute of Landscape Planning and Design Address before: No. 26 Muning Road, Economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: TIANJIN TAIDA SALINE LAND GREEN RESEARCH CENTER CO., LTD. |