CN105756032A - Sand land desertification control method - Google Patents
Sand land desertification control method Download PDFInfo
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- CN105756032A CN105756032A CN201610127784.3A CN201610127784A CN105756032A CN 105756032 A CN105756032 A CN 105756032A CN 201610127784 A CN201610127784 A CN 201610127784A CN 105756032 A CN105756032 A CN 105756032A
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- sand
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
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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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- Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Structural Engineering (AREA)
- Soil Sciences (AREA)
- Botany (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a sand land desertification control method and belongs to the technical field of desertification control. The sand land desertification control method comprises the following control step of classifying desertified sand lands, wherein the classified desertified sand lands comprise a flowing sand land, a fixed sand land, a semi-fixed sand land and a sand exposing land. A control technology of the flowing sand land is used for establishing a sand barrier through cutting salix oritrepha, and soil of the sand land is improved through fertilization and grass seeds are sowed; or the soil of the sand land is improved through a fertilizer and the grass seeds are sowed; an ecological carpet is laid by taking rice straws and wheat straws as raw materials and the salix oritrepha is planted to establish a protection forest; a semi-fixed sand land control technology and a fixed sand land control technology are used for improving the soil through the fertilization and the grass seeds are sowed; then salix oritrepha and sea buckthorn tree seeds are planted for fixing sand; a sand exposing land control technology is used for improving the soil through scattering cattle and sheep manure, and elymus nutans and oat mixed grass seeds are sowed for fixing the sand.
Description
Technical field
The invention belongs to desertification Treatment process field, especially relevant with a kind of sand ground desertification administering method.
Background technology
Western part of China is many based on plateau with high mountain gorge, owing to the change of macroclimate, load storage capacity are excessive, the increase of population, the degeneration on grassland, the plague of rats the reason such as destruction, grassland area reduces year by year, desertifies increasingly severe.Such as, ending 2002, Aba Prefecture Ruoergai country Grassland Desertification area has reached 4.67 ten thousand hm2, still have potential Sandy Grassland area 0.4 ten thousand hm2, account for the 5.77% and 7.55% of grassland, whole county area respectively.With twentieth century Grassland Resource Investigation eighties Grassland Desertification area 4.83 ten thousand hm2Compare, add 4.18 ten thousand hm2, year, increasing velocity was up to 12%, and desertification situation is quite severe.
Summary of the invention
For the problems referred to above, the purpose of the present invention aims to provide a kind of sand ground desertification administering method.The present invention is directed to different desertification type and adopt different Comprehensive Management Models；Set up the monitoring of desertification effect permanent sample plot, carry out desertification dynamic monitoring.
For this, the present invention by the following technical solutions:
A kind of sand ground desertification administering method, including following improvement step:
Step one: classified by the sand ground of desertification, the Sandy Land Types of its classification includes flowing sand ground, fixing sand ground, semi-fixed sandy land and dew sand ground；
Step 2: the Treatment process for described flowing sand ground is set up sand-protecting barrier by high Canescens cuttage, and soil is improved by applying fertilizer and broadcasts sowing grass seeds by sand ground；Or adopt and soil is improved by fertilizer by sand ground, broadcast sowing grass seeds, utilize Caulis et Folium Oryzae, wheat straw to lay ecological blanket for raw material, then pass through high Canescens of planting and set up shelter-forest；
Semi-fixed sandy land and fixing plant on sand land technology, for improveing and broadcast sowing grass seeds by fertilising to soil to sand ground, then pass through high Canescens of planting, Fructus Hippophae seeds are fixed the sand；
Dew plant on sand land technology, for carrying out soil improvement by broadcasting sowing cattle and sheep excrement, then passes through and broadcasts sowing Elymus nutans and Herba bromi japonici grass seed mix fixes the sand；
Step 3: the different governance models administering district's difference desertification type position monitoring to desertifying, periodic collection Monitoring Data, Contents for Monitoring is ground background value survey, meteorological factor, edaphic factor, the Vegetation factors of desertifying, and carries out accurate analysis and achievement evaluation regulation effect.
As supplementing and perfect technique scheme, present invention additionally comprises techniques below feature.
The flowing sand ground gradient is less than 15 ° of employings " high Canescens sand-protecting barrier+soil improvement+plant filling+kind of grass " Comprehensive Management Model, more than 15 ° of employings " ecological blanket+soil improvement+kind of grass+shelter-forest " Comprehensive Management Model.
Use the present invention can reach following beneficial effect: to the present invention is directed to different desertification type and adopt different Comprehensive Management Models；Setting up the monitoring of desertification effect permanent sample plot, carry out desertification dynamic monitoring, carry out peasants and herdsmen and technical staff's professional technique training, strengthen achievements conversion dynamics, instructing desertifies administers provides model and theoretical foundation.
Detailed description of the invention
Sand ground desertification administering method of the present invention, including following improvement step:
Step one: classified by the sand ground of desertification, the Sandy Land Types of its classification includes flowing sand ground, fixing sand ground, semi-fixed sandy land and dew sand ground.
Step 2: desertify ground comprehensive control technical measures
(1) flowing Sandy Land Comprehensive Control technology
According to administering the factors such as the concrete position of bottom class, the gradient, soil, vegetation cover degree, the flowing sand ground gradient is less than 15 ° of employings " high Canescens sand-protecting barrier+soil improvement+plant filling+kind of grass " Comprehensive Management Model；More than 15 ° of employings " ecological blanket+soil improvement+kind of grass+shelter-forest " Comprehensive Management Model.
High Canescens sand-protecting barrier+soil improvement+plant filling+kind of grass
Adopt high-quality, color and luster normally, without pest and disease damage willow stake (3-4 is raw), is cut into dry length and carries out cuttage for 40-50cm as fringe bar；Adopting the 2-3 of high-quality raw, color and luster is normal, abundant lignifying, makes raddle without pest and disease damage high mountain wicker.The comprehensive improvement effect that sand-protecting barrier is worked out specification for many years and cost are comprehensively analyzed, and it is 2m*4m that sand-protecting barrier of the present invention arranges specification；The willow stake of this invention and every mu of 2t of design quantity average out to of branch.Planting in sand-protecting barrier adaptation high altitude condition, the high Canescens that tolerance to cold is strong, it is 2.0m × 2.0m that filling seeding row spacing is planted in design, and initial density in planting is 166 plants/acre, and planting 1 strain in every cave, after-culture rate is 20%.Plant and take Chinese character pin-shaped configuration, it is desirable to accomplishing Seedling, dry vertically root system is unfolded, depth appropriateness, it then follows the principle of " three bury, two step on, carry Seedling ".Grass seeds selects siberian wildrye or Elymus nutans, and annual feed grass selects Herba bromi japonici.Blend proportion is 7:3, and application rate is designed as 8kg/ mu.Fertilizer selects the cattle and sheep excrement become thoroughly decomposed as fertilizer, and cattle and sheep excrement ratio is 1:2, and consumption is designed as 1t/ mu.
Ecological blanket+soil improvement+kind of grass+shelter-forest
Uniformly it is sprinkling upon on sand ground initially with fertilizer and grass seeds, utilizes Caulis et Folium Oryzae, wheat straw for ecological blanket raw material, be compiled into loose strip block.Ecological blanket is laid along wind direction vertical direction, start Shunping County from top to bottom from top, slope buring layer to spread out, domatic top part Y, T-shaped high Canescens willow stake be fixed on domatic on, lap-joint's stitching or overlapping 4～8cm willow stake are fixed end to end, overlap stylish laying layer and to be placed on following, when length of grade is more than 10m, carry out staged care.The design quantity of the ecological blanket of the present invention is 670 square metres every mu, and grass seeds selects Elymus nutans, Herba bromi japonici blend proportion to be 7:3.Application rate design design 10kg/ mu, cattle and sheep excrement consumption is designed as 1.5t/ mu.
Shelterbelt select the excellent 3 years high Canescens cutting seedling of life, design to plant to fill seeding row spacing be 1.0m × 1.0m, planting system is Chinese character pin-shaped configuration, and initial density in planting is 667 plants/acre, and planting 1 strain in every cave, after-culture rate is 20%..
(2) fixing (semifixed) Sandy Land Comprehensive Control technology
Within first-selected 2 years, the high Canescens cutting seedling of life is as planting filling seeds, and alternative seeds are Fructus Hippophae.It is 2.0m × 2.0m that filling seeding row spacing is planted in semi-fixed sandy land design, and initial density in planting is 167 plants/acre, and planting 1 strain in every cave, after-culture rate is 20%；It is 2.0m × 4.0m that filling seeding row spacing is planted in fixing sand ground design, and initial density in planting is 83 plants/acre, and planting 1 strain in every cave, after-culture rate is 20%；Grass seeds is Elymus nutans and Herba bromi japonici grass seed mix, and blend proportion is 7:3.Semi-fixed sandy land application rate design 5kg/ mu, fixing sand ground application rate design 3kg/ mu.Semi-fixed sandy land cattle and sheep excrement consumption is designed as 0.8t/ mu, and fixing cattle and sheep excrement consumption is designed as 0.6t/ mu, and cattle and sheep excrement ratio is 1:2.
(3) dew Sandy Land Comprehensive Control technology
Adopting artificial uniform fold method to be spread by cattle and sheep excrement and cover on sand ground, adopt straight line coverage mode to carry out, Elymus nutans and Herba bromi japonici blend proportion are 7:3.Application rate design 2kg/ mu.Fertilizer design quantity is 0.4t/ mu, and cattle and sheep excrement ratio is 1:2.
Step 3: set up invention implementation benefit monitoring system, to desertifying, the different governance models administering district's difference desertification type position monitoring, by periodic collection Monitoring Data, the accurate evaluation of pilot effect and the Scientific summarization of governance model are significant.Promoting in demonstration area, 10, stationary monitoring sample ground is set, carries out regular position monitor.Every kind of governance model arranges 1, stationary monitoring sample ground, 1, control sample ground, sample ground specification 10m*10m.Main Contents for Monitoring is ground background value survey, meteorological factor, edaphic factor, the Vegetation factors of desertifying
The present invention, now in Ruoergai country and Rangtang County popularization and application, creates huge ecological benefits, social benefit and economic benefit.Carry out test and the popularization of novel sand control material simultaneously, the problems such as current sand control material is single, high cost, management trouble, forest zone bearing capacity are big will be solved, it is achieved desertify and administer diversification, simplification.Ecological blanket popularizing area in flowing plant on sand land reaches more than 500 mu, other Comprehensive Management Model popularizing areas more than 5000 mu.The present invention is to recovering Northwestern Grassland vegetation and improving the offer important technology support of water conservation ability; promote bio-diversity conservation; improve the economic benefit of local animal husbandry, promote the development in an all-round way of regional society's economy, it is achieved the sustainable development of resource has highly important meaning.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (2)
1. a sand ground desertification administering method, it is characterised in that include following improvement step:
Step one: classified by the sand ground of desertification, the Sandy Land Types of its classification includes flowing sand ground, fixing sand ground, semi-fixed sandy land and dew sand ground；
Step 2: the Treatment process for described flowing sand ground is set up sand-protecting barrier by high Canescens cuttage, and soil is improved by applying fertilizer and broadcasts sowing grass seeds by sand ground；Or adopt and soil is improved by fertilizer by sand ground, broadcast sowing grass seeds, utilize Caulis et Folium Oryzae, wheat straw to lay ecological blanket for raw material, then pass through high Canescens of planting and set up shelter-forest；
Semi-fixed sandy land and fixing plant on sand land technology, for improveing and broadcast sowing grass seeds by fertilising to soil to sand ground, then pass through high Canescens of planting, Fructus Hippophae seeds are fixed the sand；
Dew plant on sand land technology, for carrying out soil improvement by broadcasting sowing cattle and sheep excrement, then passes through and broadcasts sowing Elymus nutans and Herba bromi japonici grass seed mix fixes the sand；
Step 3: the different governance models administering district's difference desertification type position monitoring to desertifying, periodic collection Monitoring Data, Contents for Monitoring is ground background value survey, meteorological factor, edaphic factor, the Vegetation factors of desertifying, and carries out accurate analysis and achievement evaluation regulation effect.
2. a kind of sand ground desertification administering method according to claim 1, it is characterized in that: the flowing sand ground gradient is less than 15 ° of employings " high Canescens sand-protecting barrier+soil improvement+plant filling+kind of grass " Comprehensive Management Model, more than 15 ° of employings " ecological blanket+soil improvement+kind of grass+shelter-forest " Comprehensive Management Model.
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| CN201610127784.3A CN105756032A (en) | 2016-03-07 | 2016-03-07 | Sand land desertification control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211695A (en) * | 2017-06-21 | 2017-09-29 | 北京林业大学 | A kind of sandy land vegetation recovery method based on flow field analysis |
| CN107360889A (en) * | 2017-07-25 | 2017-11-21 | 兰州大学 | A kind of cold-dampness type Sandy Grassland recovers vegetation establishment material and its application method |
| CN107371770A (en) * | 2017-09-12 | 2017-11-24 | 北京林业大学 | One kind flowing sand grassland fast reconstructing method |
| CN108307941A (en) * | 2018-02-09 | 2018-07-24 | 内蒙古蒙草生态环境（集团）股份有限公司 | Sow to a kind of flat sand for administering sand ground the method and plant on sand land method of plant |
| CN109056691A (en) * | 2018-07-27 | 2018-12-21 | 内蒙古蒙草生态环境（集团）股份有限公司 | Plant on sand land method |
| CN109105161A (en) * | 2018-08-01 | 2019-01-01 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sand ground repairs structure, sand ground restorative procedure and application |
| CN109122074A (en) * | 2018-08-24 | 2019-01-04 | 内蒙古蒙草生态环境（集团）股份有限公司 | Hulun nur plant on sand land method |
| CN109566283A (en) * | 2018-11-19 | 2019-04-05 | 北京林业大学 | A kind of method for recovering vegetation based on vegetable fiber blanket tackling quicksand |
| CN109601044A (en) * | 2018-11-30 | 2019-04-12 | 环境保护部南京环境科学研究所 | A kind of type of seeding and application of valley pattern hillside flowing sand ground restoration of the ecosystem |
| CN109644809A (en) * | 2018-12-18 | 2019-04-19 | 祝旭加 | A kind of tree-grass complex formula digging dibbling seedling-growing method optimizing afforestation effect |
| CN117769920A (en) * | 2023-12-27 | 2024-03-29 | 甘肃省治沙研究所 | Method for treating desertification grassland in high and cold region dry riverbed |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211695A (en) * | 2017-06-21 | 2017-09-29 | 北京林业大学 | A kind of sandy land vegetation recovery method based on flow field analysis |
| CN107360889B (en) * | 2017-07-25 | 2020-07-03 | 兰州大学 | Vegetation establishment material for recovering cold-wet desertification grassland and use method thereof |
| CN107360889A (en) * | 2017-07-25 | 2017-11-21 | 兰州大学 | A kind of cold-dampness type Sandy Grassland recovers vegetation establishment material and its application method |
| CN107371770A (en) * | 2017-09-12 | 2017-11-24 | 北京林业大学 | One kind flowing sand grassland fast reconstructing method |
| CN108307941A (en) * | 2018-02-09 | 2018-07-24 | 内蒙古蒙草生态环境（集团）股份有限公司 | Sow to a kind of flat sand for administering sand ground the method and plant on sand land method of plant |
| CN109056691A (en) * | 2018-07-27 | 2018-12-21 | 内蒙古蒙草生态环境（集团）股份有限公司 | Plant on sand land method |
| CN109105161A (en) * | 2018-08-01 | 2019-01-01 | 美丽国土（北京）生态环境工程技术研究院有限公司 | Sand ground repairs structure, sand ground restorative procedure and application |
| CN109122074A (en) * | 2018-08-24 | 2019-01-04 | 内蒙古蒙草生态环境（集团）股份有限公司 | Hulun nur plant on sand land method |
| CN109122074B (en) * | 2018-08-24 | 2021-06-11 | 内蒙古蒙草生态环境（集团）股份有限公司 | Method for treating Hulun lake sand |
| CN109566283A (en) * | 2018-11-19 | 2019-04-05 | 北京林业大学 | A kind of method for recovering vegetation based on vegetable fiber blanket tackling quicksand |
| CN109601044A (en) * | 2018-11-30 | 2019-04-12 | 环境保护部南京环境科学研究所 | A kind of type of seeding and application of valley pattern hillside flowing sand ground restoration of the ecosystem |
| CN109601044B (en) * | 2018-11-30 | 2021-09-07 | 环境保护部南京环境科学研究所 | Sowing method for ecological restoration of valley type hillside flowing sand land and application |
| CN109644809A (en) * | 2018-12-18 | 2019-04-19 | 祝旭加 | A kind of tree-grass complex formula digging dibbling seedling-growing method optimizing afforestation effect |
| CN117769920A (en) * | 2023-12-27 | 2024-03-29 | 甘肃省治沙研究所 | Method for treating desertification grassland in high and cold region dry riverbed |
| CN117769920B (en) * | 2023-12-27 | 2024-06-25 | 甘肃省治沙研究所 | Method for treating desertification grassland in high and cold region dry riverbed |
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Application publication date: 20160713 |