CN111305235A - Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof - Google Patents

Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof Download PDF

Info

Publication number
CN111305235A
CN111305235A CN202010099218.2A CN202010099218A CN111305235A CN 111305235 A CN111305235 A CN 111305235A CN 202010099218 A CN202010099218 A CN 202010099218A CN 111305235 A CN111305235 A CN 111305235A
Authority
CN
China
Prior art keywords
slope
living
reinforced
stump
live
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010099218.2A
Other languages
Chinese (zh)
Inventor
江学良
赵富发
杨慧
刘文杰
朱颖波
钱永辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University of Forestry and Technology
Original Assignee
Central South University of Forestry and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University of Forestry and Technology filed Critical Central South University of Forestry and Technology
Priority to CN202010099218.2A priority Critical patent/CN111305235A/en
Publication of CN111305235A publication Critical patent/CN111305235A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G20/00Cultivation of turf, lawn or the like; Apparatus or methods therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00Cultivation of specific crops or plants not otherwise provided for
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00Forestry
    • A01G23/02Transplanting, uprooting, felling or delimbing trees
    • A01G23/04Transplanting trees; Devices for grasping the root ball, e.g. stump forceps; Wrappings or packages for transporting trees

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Botany (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention discloses a live stump-living plant reinforced soil slope supporting structure, which comprises a live stump, a living plant, a stump, a reinforced bamboo chip and a turf; the movable tree piles and the wood piles are arranged on the slope toe line of the side slope, and the wood piles are arranged between adjacent movable tree piles; the living plants and the reinforced bamboo chips are horizontally layered and paved in the soil slope filling process, and the reinforced bamboo chips are arranged between the adjacent living plants; the turf is laid on the surface of the side slope. The slope supporting structure skillfully realizes the anchoring effect of the horizontal living plant root system of the slope body and the replacement of the reinforcement effect of the bamboo chips (or straws), simultaneously realizes the anti-slip effect of the slope toe live tree piles and the replacement of the anti-slip effect of the wood piles, does not use traditional building materials such as concrete, reinforcing steel bars and the like in the whole life cycle of the slope, and is a completely ecological slope supporting structure. The invention has the advantages of easy construction, low cost, easy popularization, lower cost, environment beautification, ecology and environmental protection, strong adaptability and easy popularization.

Description

Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof
Technical Field
The invention belongs to the field of slope engineering, and relates to a loose tree pile-living plant reinforced soil slope supporting structure and a construction method thereof.
Background
For the earthwork slope engineering with a relatively slow slope rate, the ecological protection is mainly carried out by methods of grass seed sowing, turf paving, arched framework grass planting slope protection, framework beam grass planting slope protection and the like at present. For the ecological slope protection methods, herbaceous plants can only play a role in surface water and soil conservation, and can not play a role in reinforcing and protecting the sliding surface of the deep layer of the side slope, and the arched framework grass planting slope protection and the frame beam grass planting slope protection consume more materials and are high in cost. The ecological slope protection types have single structural form and poor mechanical stability, and the proper ecological slope protection structural types can not be flexibly selected by combining specific construction sites according to local conditions.
Patent CN 102505700 a discloses a method for slope protection by willow rod anchoring in loess area, which comprises: planting a plurality of surviving first willow rods into the loess layer side slope, wherein the row spacing and the column spacing of the plurality of first willow rods are equal, the row spacing or the column spacing is 2-2.5m, the length of each first willow rod is 1.2-3m, and the length of each first willow rod exposed out of the surface of the loess layer is 0.2-0.3 m; implanting a second willow stalk between two adjacent first willow stalks of each row and each column, wherein the length of each second willow stalk is 0.5-1.2m, and the length of the willow stalk exposed on the loess surface is 0.2-0.3 m; and connecting a plurality of adjacent willow rods in each row or each column with each other, and transversely binding the plurality of adjacent willow rods in each row or each column by using reinforcing willow rods to realize the mutual connection. The slope protection method has the defects that the mechanical stability is poor, a large number of willow rods are required to be connected with one another, the construction is extremely inconvenient, the later stage cannot be effectively utilized, the material consumption is high, and the structure is single.
Disclosure of Invention
Aiming at the defects of the earthwork side slope protection structure with a relatively slow slope rate in the prior art in the technical and economic aspects, the invention aims to provide a living tree pile-living plant reinforced soil side slope support structure and a construction method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a living stump-living plant reinforced soil slope supporting structure comprises a living stump, a living plant, a timber stump, a reinforced bamboo sheet and a turf;
in the slope supporting structure, the movable tree piles and the wood piles are arranged at the slope toe line position of the slope, the wood piles are arranged between adjacent movable tree piles, and the wood piles implanted at the slope toe position play a role in temporarily preventing the soil body of the slope toe from generating displacement and stabilizing the slope;
the living plants and the reinforced bamboo chips are horizontally laid in layers in the process of filling the soil slope, the reinforced bamboo chips laid in layers play a role in reinforcing and stabilizing the loose soil body when the root systems of the living plants are not developed sufficiently, the effect of temporarily stabilizing the side slope is exerted, and when the root systems of the living plants are developed sufficiently, the living plants replace the reinforced bamboo chips to exert the effect of deeply anchoring the side slope;
the turf is laid on the surface of the side slope, so that the side slope can be effectively prevented from being washed by rainwater and water and soil loss.
In a specific embodiment, the live stumps are cultivated and survived by adopting perennial willow twigs in a cutting mode, and when roots of the live stumps are fully developed, the live stumps replace wood stumps to play a role in preventing deep sliding of soil slopes at slope feet, so that the overall anti-sliding capacity of soil bodies is enhanced.
In a specific embodiment, the living plants are perennial wicker, and the reinforced bamboo chips are made of natural air-dried moso bamboo through antiseptic treatment.
In a specific embodiment, the living plants and the reinforced bamboo chips are horizontally laid in layers, the layer spacing between the living plants and the reinforced bamboo chips is 1-1.5 m, the horizontal spacing between the living plants is 1.0-2.0 m, the length of the living plants is 3-4 m, and the length of the reinforced bamboo chips is 6-8 m.
The invention also provides a live stump-live plant reinforced soil slope supporting structure, which comprises the components of the live stump, the live plant, the stump, the reinforced straw and the turf, and the reinforced straw is adopted to replace the reinforced bamboo chips.
In a specific embodiment, the reinforced straw is processed from the rest of wheat, rice, corn, sugarcane and other crops after harvesting seeds.
The invention also provides a construction method of the living stump-living plant reinforced soil slope supporting structure, which comprises the following steps:
(1) in the process of filling the side slope, firstly constructing living plants and reinforced bamboo chips (or straws) for temporarily stabilizing the side slope;
(2) when the side slope is filled, the hole is led to construct the live stump and the timber pile, and the root system of the live stump is cultivated to be survived;
(3) after the soil slope is completely filled, turf is laid on the slope and is maintained in time to survive.
The invention provides a live stump-living plant reinforced soil side slope supporting structure, in the filling construction process of an earthwork side slope with a slow slope rate, reinforced bamboo chips (or straws) and living plants are horizontally paved in layers according to a certain distance, after the side slope construction is finished, virtual soil and turf are paved on the slope surface, the living plants are cultivated to take root and survive, after the living plants grow vigorously, branches and leaves are trimmed, and the space growth of the branches and leaves is controlled; during side slope construction, wood piles and live tree pile holes are arranged at the slope toe of the side slope according to a certain distance and depth, the wood piles are driven, the live tree piles and willows are cut, and the roots of the willows are cultivated to survive.
In the side slope supporting structure, the reinforced bamboo chips (or straws) and the filled soil form reinforced soil, and form a supporting structure system with the wood piles arranged at the slope toe, so that the temporary slope stabilizing effect is exerted when the live tree piles and the living plant roots are not developed fully, and the stability of the side slope before the live tree piles, the wickers and the living plant roots are not developed fully can be ensured; after the reinforced bamboo chips (or straws) and the wood piles are rotted and lose effectiveness, the living plants and the slope foot living tree piles which are horizontally arranged and have fully developed root systems replace the reinforced bamboo chips (or straws) and the wood piles to stabilize the side slope, the effect of deeply anchoring the side slope is exerted, the integral anti-sliding capability of the side slope is improved, and turf paved on the surface of the side slope is matched with the living plants and the living tree piles to jointly exert the effect of ecological slope protection.
The slope supporting structure skillfully realizes the anchoring effect of the horizontal living plant root system of the slope body and the replacement of the reinforcement effect of the bamboo chips (or straws), simultaneously realizes the anti-slip effect of the slope toe live tree piles and the replacement of the anti-slip effect of the wood piles, does not use traditional building materials such as concrete, reinforcing steel bars and the like in the whole life cycle of the slope, and is a completely ecological slope supporting structure.
The method is easy to construct, low in cost, easy to popularize, low in cost compared with other slope protection methods, environment-friendly and ecological in beautifying, high in adaptability and easy to popularize.
Drawings
FIG. 1 is a schematic side view of the living stump-living plant reinforced soil slope support structure of the present invention.
FIG. 2 is a schematic elevation view of the living stump-living plant reinforced soil slope support structure of the present invention.
In the figure: 1-a latent sliding surface; 2-a living plant; 3-turf; 4-live stumps; 5-reinforcing bamboo chips; 6-timber pile; 7-toe line.
Detailed Description
The invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
The present embodiment provides a living stump-living plant reinforced soil slope supporting structure, as shown in fig. 1 to 2, the components of which include a living stump 4, a living plant 2, a stump 6, a reinforced bamboo sheet 5 and a turf 3;
in the slope supporting structure, the wood piles 6 implanted at the slope toe play a role in temporarily preventing the slope toe soil body from generating displacement and stabilizing the slope, the live tree piles 4 are planted and cultivated into lives by adopting perennial willow twigs in a cuttage manner, and when the root systems of the live tree piles are fully developed, the wood piles 6 are replaced to play a role in preventing the soil slope from generating deep sliding at the slope toe, so that the integral anti-sliding capacity of the soil body is enhanced;
the living plant 2 and the ribbed bamboo chips 5 are horizontally layered and paved in the soil slope filling process, wherein the living plant 2 adopts perennial wickers, and the ribbed bamboo chips 5 are formed by processing natural air-dried moso bamboos through antiseptic treatment; when the roots of the living plants are not developed sufficiently, the reinforcement bamboo chips 5 laid in layers play a role in reinforcing and stabilizing loose soil bodies, play a role in temporarily stabilizing side slopes, and replace the reinforcement bamboo chips to play a role in deeply anchoring the side slopes when the roots of the living plants are developed sufficiently; the turf 3 laid on the surface of the side slope can effectively prevent the side slope from being washed by rainwater and water and soil loss.
The embodiment also provides a construction method of the living stump-living plant reinforced soil slope supporting structure, which comprises the following steps:
step 1: laying living plants and reinforced bamboo chips at certain intervals in a layered mode in the process of filling the soil slope, wherein the reinforced bamboo chips and the living plants are perpendicular to the slope surface, the living plants are perennial wickers, the reinforced bamboo chips are formed by natural air drying and corrosion prevention treatment of perennial moso bamboos, the layer interval between the living plants and the reinforced bamboo chips is 1-1.5 m, the horizontal interval between the living plants is 1.0-2.0 m, the length of the living plants is 3-4 m, and the length of the reinforced bamboo chips is 6-8 m;
step 2: arranging live tree pile holes and wood pile holes at the slope toe at intervals, backfilling organic soil in a certain range of the live tree pile holes, and cutting the live tree pile wickers, wherein the end parts of the wickers are cut into an oblique section form, so that the wickers have an area for fully absorbing mineral nutrition and moisture in the soil, and the root system of the live tree pile is ensured to survive; the wooden piles are constructed in a mode that plant dead branches are driven into the soil layer to be embedded into the soil body, so that the wooden piles are ensured to be in close contact with the soil body, the transverse displacement of the soil body during side slope construction is restrained, and the stability of the side slope is ensured;
and step 3: after the construction of living plants and reinforced bamboo chips on the side slope is finished, turf is laid on the surface of the side slope in time to prevent rainwater from washing, so that water and soil loss is avoided, and the phenomena of groove digging and erosion are caused on the surface of the side slope.
After living plants and the root system of the live tree stump are fully developed and the branches of the willow twigs grow vigorously, pruning the willow twigs regularly, reserving part of the upwards growing willow twigs, and controlling the spatial growth of the willow twigs.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be understood that modifications and changes by those skilled in the art without departing from the technical idea of the present invention should be regarded as the scope of the present invention.

Claims (8)

1. A living stump-living plant reinforced soil slope supporting structure is characterized by comprising a living stump, a living plant, a stump, a reinforced bamboo chip and a turf;
in the slope supporting structure, the movable tree piles and the wood piles are arranged at the slope toe line position of the slope, the wood piles are arranged between adjacent movable tree piles, and the wood piles implanted at the slope toe position play a role in temporarily preventing the soil body of the slope toe from generating displacement and stabilizing the slope;
the living plants and the reinforced bamboo chips are horizontally laid in layers in the process of filling the soil slope, the reinforced bamboo chips laid in layers play a role in reinforcing and stabilizing the loose soil body when the root systems of the living plants are not developed sufficiently, the effect of temporarily stabilizing the side slope is exerted, and when the root systems of the living plants are developed sufficiently, the living plants replace the reinforced bamboo chips to exert the effect of deeply anchoring the side slope;
the turf is laid on the surface of the side slope, so that the side slope can be effectively prevented from being washed by rainwater and water and soil loss.
2. The live stump-living plant reinforced soil slope support structure of claim 1, wherein the live stump is cultivated into a live stump by cutting perennial willow twigs, and when the root system of the live stump grows sufficiently, the live stump replaces a wooden stump to play a role in preventing deep sliding of the soil slope at the slope toe, so that the overall anti-sliding capability of the soil body is enhanced.
3. The live-stump-living-plant reinforced soil slope support structure of claim 1, wherein said living plant is formed of perennial willow twigs.
4. The live-tree pile-living plant reinforced soil slope support structure according to claim 1, wherein the reinforced bamboo chips are processed by natural air drying moso bamboo through antiseptic treatment.
5. The live-tree pile-living plant reinforced soil slope supporting structure according to claim 1, wherein the living plants and the reinforced bamboo chips are laid horizontally in layers, the layer-to-layer distance between the living plants and the reinforced bamboo chips is 1-1.5 m, the horizontal distance between the living plants is 1.0-2.0 m, the length of the living plants is 3-4 m, and the length of the reinforced bamboo chips is 6-8 m.
6. The live stump-living plant reinforced soil slope support structure of claim 1, comprising live stumps, living plants, stumps, reinforced straws and turf, wherein the reinforced bamboo chips are replaced by the reinforced straws.
7. The live stump-living plant reinforced soil slope support structure of claim 6, wherein the reinforced straw is processed from the rest of the crops such as wheat, rice, corn, sugar cane after harvesting the seeds.
8. The construction method of the living stump-living plant reinforced soil slope support structure according to any one of claims 1 to 7, comprising the steps of:
(1) in the process of filling the side slope, firstly constructing living plants and reinforced bamboo chips (or straws) for temporarily stabilizing the side slope;
(2) when the side slope is filled, the hole is led to construct the live stump and the timber pile, and the root system of the live stump is cultivated to be survived;
(3) after the soil slope is completely filled, turf is laid on the slope and is maintained in time to survive.
CN202010099218.2A 2020-02-18 2020-02-18 Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof Pending CN111305235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010099218.2A CN111305235A (en) 2020-02-18 2020-02-18 Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010099218.2A CN111305235A (en) 2020-02-18 2020-02-18 Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof

Publications (1)

Publication Number Publication Date
CN111305235A true CN111305235A (en) 2020-06-19

Family

ID=71149113

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010099218.2A Pending CN111305235A (en) 2020-02-18 2020-02-18 Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof

Country Status (1)

Country Link
CN (1) CN111305235A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726596A (en) * 2020-12-30 2021-04-30 中国建筑设计研究院有限公司 Slope protection anchor rod and protection method
CN114892710A (en) * 2022-05-17 2022-08-12 湖北工业大学 Tree-bearing retaining wall and construction method thereof
CN116024994A (en) * 2023-03-27 2023-04-28 北京林业大学 Construction method of ecological integrated slope protection system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090080A (en) * 1999-09-20 2001-04-03 Kumagai Gumi Co Ltd Vegetation pile and greening construction method for face of slope using the same
KR100956031B1 (en) * 2009-12-03 2010-05-06 주식회사 인우에코텍 Fixing structure for gabion mat
CN203022012U (en) * 2012-12-24 2013-06-26 长沙理工大学 Bamboo chip frame type full-ecological slope protection structure
CN203795439U (en) * 2014-03-19 2014-08-27 中交第二公路勘察设计研究院有限公司 Ecological revetment structure used for soil fixing and moisturizing of high-liquid-limit soil slope
CN108130888A (en) * 2017-12-22 2018-06-08 北京林业大学 A kind of soft ecological revetment structure and its construction method
CN108532540A (en) * 2018-05-16 2018-09-14 江苏省盐城市航道管理处 Cotton stalk encircles water draining waterway revetment system and its construction method
CN109610485A (en) * 2018-12-11 2019-04-12 湖北工业大学 A kind of stack bundle ecological slope protection structure and its construction method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090080A (en) * 1999-09-20 2001-04-03 Kumagai Gumi Co Ltd Vegetation pile and greening construction method for face of slope using the same
KR100956031B1 (en) * 2009-12-03 2010-05-06 주식회사 인우에코텍 Fixing structure for gabion mat
CN203022012U (en) * 2012-12-24 2013-06-26 长沙理工大学 Bamboo chip frame type full-ecological slope protection structure
CN203795439U (en) * 2014-03-19 2014-08-27 中交第二公路勘察设计研究院有限公司 Ecological revetment structure used for soil fixing and moisturizing of high-liquid-limit soil slope
CN108130888A (en) * 2017-12-22 2018-06-08 北京林业大学 A kind of soft ecological revetment structure and its construction method
CN108532540A (en) * 2018-05-16 2018-09-14 江苏省盐城市航道管理处 Cotton stalk encircles water draining waterway revetment system and its construction method
CN109610485A (en) * 2018-12-11 2019-04-12 湖北工业大学 A kind of stack bundle ecological slope protection structure and its construction method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112726596A (en) * 2020-12-30 2021-04-30 中国建筑设计研究院有限公司 Slope protection anchor rod and protection method
CN114892710A (en) * 2022-05-17 2022-08-12 湖北工业大学 Tree-bearing retaining wall and construction method thereof
CN114892710B (en) * 2022-05-17 2024-04-19 湖北工业大学 Tree bearing type retaining wall and construction method thereof
CN116024994A (en) * 2023-03-27 2023-04-28 北京林业大学 Construction method of ecological integrated slope protection system

Similar Documents

Publication Publication Date Title
CN105660143B (en) A kind of Rhizoma Gastrodiae implantation methods using the artificial bacteria stick of Rhizoma Gastrodiae symbiosis halimasch
CN104186141B (en) The pocket type cultivation method of the bionical interplanting radix tetrastigme in a kind of fruit-bearing forest ground
CN104196006B (en) Desertification soil remediation method
CN111305235A (en) Movable tree stump-living plant reinforced soil slope supporting structure and construction method thereof
CN103210783B (en) Dioscorea opposita planting method
CN105009890A (en) Chinese Yam cultivation method
CN104255218A (en) Bag type cultivation method for bionic interplanting of Tetrastigma hemsleyanum Diels et Gilg on bamboo forest land
CN104855114A (en) Method for planting walnuts and peppers in stony desertification soil
CN105706821A (en) Reservoir bank hydro-fluctuation belt terraced tree planting method
CN105502666A (en) Construction method of amphibious plant community with water body purification function
CN102379197A (en) Aleurites montana large-area seedling raising method
CN105027945A (en) High-yield and high-efficient cultivation method for water manure induction and root confinement of asparagus
CN106171425A (en) The high yield cultivating method of Radix Angelicae Pubescentis culturing and transplanting seedlings
CN105210770A (en) Desert Regions, dust storm forward position sacsaoul Ecology method of forestation
CN102017851A (en) Cyperus planting and harvesting technology
CN101300945A (en) Orchard interlaced alternative irrigation method
CN109837916B (en) Ecological restoration method for side slope of split wooden sash
CN105409690A (en) Breeding and cultivating methods for Lagerstroemia indica landscape trees capable of shrinking holes in three years and forming cylinders in five years
CN106613663A (en) Sand-stabilization and water-retention method used in semi-desert windy and sandy area
CN109673316A (en) A kind of comprehensive greening system of exposed scar and method
CN105393893A (en) Constructing and building method for non-suitable-for-forestry new diked tidal flat coast protection forest backbone shelterbelt
CN104705147A (en) Method for planting blueberries
CN110249897B (en) Method for preventing and treating water and soil loss of sloping field by intercropping ginkgo biloba and peony
CN104756708A (en) Method for jointly planting blueberry with improved soil
CN100402756C (en) Live net mud-stopping dam

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200619