CN105075596A - Method for improving west Sichuan grassland desertification land by utilizing ecological vegetations - Google Patents
Method for improving west Sichuan grassland desertification land by utilizing ecological vegetations Download PDFInfo
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- CN105075596A CN105075596A CN201510479676.8A CN201510479676A CN105075596A CN 105075596 A CN105075596 A CN 105075596A CN 201510479676 A CN201510479676 A CN 201510479676A CN 105075596 A CN105075596 A CN 105075596A
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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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Abstract
The invention discloses a method for improving west Sichuan grassland desertification land by utilizing ecological vegetations, which uses different measures to execute enclosure management of the west Sichuan grassland desertification land according to different regions, and promotes grassland vegetations to naturally recover or artificially recover. The method for improving the west Sichuan grassland desertification land by utilizing the ecological vegetations irrigates two times in a period of grass from germination to tillering and branching during the year and a period that the grass stores nutrition supplies to roots in autumn, and the each irrigation amount is 0.51-0.55 cubic meter/ mu. Fertilizer is applied in grassland, barnyard manure is applied on the ground of the grassland is every 3-4 years when the grassland is fertilizerd, organic fertilizer is 50-100kg/mu, chemical fertilizer is 1-3 kg/mu, compound fertilizer is 1-2kg/mu, and trace fertilizer is 0.2-0.3kg/mu. The method for improving the west Sichuan grassland desertification land by utilizing the ecological vegetations carries out to completely or locally guide and plant perennial seeds of trees and grass seeds with high value, builds shelter forest ecological grass on improved grassland, guarantees west Sichuan grassland not to be deserted and further can improve economic benefits of whole grassland at the same time.
Description
Technical field
The present invention relates to ecological environment treatment technical field, specifically, is a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil.
Background technology
The western high-cold steppe in river is positioned in the middle part of state, Szechwan Ganzi, reaches 70,000 square kilometres with Litang, Ganzi, Xinlong, white jade, grassland, Batang for die area.Meadow height above sea level 3800-4500 rice, mountain plateau and Hilly Plateau landform evlution are fully, smooth broad.
One of six the most beautiful prairies of China are chosen as by " china national geography ", said Chuan Xi includes the Tibetan Autonomous Prefecture of Garze in Yaan and west, it is the corridor of a migration of nationality, also being the national location, thoroughfare exchanging trading such as Han Zang Yi nationality since ancient times, is also the Shangri-la core space that common people find.The author once for the door that is named as Shangri-la has been got in Kangding, has entered Kangding in " travel of Shangri-la " of publication in 2002, and Shangri-la is just no longer remote.
From Han dynasty, tealeaves and horses are exactly that the important tradable commodity in area hidden in the Chinese, its route is: Chengdu → Linqiong (modern Qionglai) → Yaan → tight road (modern Yingjing) → climb over Daxiang Ling to Mao Niu county (modern Hanyuan County) to tide over Dadu River arrival Mo Xi and the refined grassland of wood (modern tower public affairs, new capital bridge one is with), then Qinghai, Tibet or Nepal is gone to from South Road, Sichuan-Tibet or North Road, the tea exchange horse" that generation that Here it is is well-known, its institute through road by historian and scholar's called after Tea-horse Ancient Road, that name for this road is Yunnan scholar Mr. Li Xu, he had once spent the time of 5 years heavily to walk Tea-horse Ancient Road.Advancing along old road is the route quite having historic significance, is abandoned except small part road is hidden in mountain, most of section be today Highway house exist.
The mountain range, Qionglai of the Shi Jin Yaan, line of demarcation of west Sichuan plateau and Chengdu Plain is west Sichuan plateau to the west of mountain range, though both sides, Erlongshan Mountains are separated by, tens of km has the weather of large phase footpath birth, many times overcast and rainy continuous in the east and to the west of Erlongshan Mountains be bright sun fine day.If Xikang-Tibet culture and landscape deeply will be experienced, outside the Pass that preferably goes to, outside the Pass what is called be Kang Baren for a physiogeographic statement, namely go out Kangding toward north climb over the many mountains of high folding be to outside the Pass.Outside the Pass be the more imposing and strange pretty world, grassland is vast, and snow mountain is towering, and pastoral song is melodious, is the flower of the soul of happiness in full bloom under blue sky.
The western high-cold steppe in river is positioned in the middle part of state, Szechwan Ganzi, reaches 70,000 square kilometres with Litang, Ganzi, Xinlong, white jade, grassland, Batang for die area.Meadow height above sea level 3800-4500 rice, mountain plateau and Hilly Plateau landform evlution are fully, smooth broad.Summer affects by Indian Ocean warm moist air, and hydrothermal condition is good.Tailo and mountain plateau face are magnificent subalpine meadow and Alpine meadow, and its meadow aesthetic feeling is among the best in the high-cold steppe of Qinghai-Tibet.The Pastoral Areas that grassland of West Sichuan Ye Shi China is traditional, the yak bodily form is large, gives milk many, meadow also abounds with the valuable ingredient of traditional Chinese medicine such as Cordyceps sinensis, the bulb of fritillary and Fruit of Panax ginseng.World-famous Kangding love song, the folk dance of the Zang nationality dance of gorgeous jump ... make people so enchanted by the scenery as to forget to return.Get a bird's eye view grassland of West Sichuan, just as the green ocean of a slice, cannot see exposed loess, it is the green guardian preventing the water and soil loss of upper reaches, the Changjiang river.
But along with the continuous change of ecotope, present grassland of West Sichuan by desertification slowly, photography paradise once slowly from us away from go, the how permanent succession of the existing beautiful scenery of effective guarantee, real for improvement urgently needed for.
Summary of the invention
The object of the invention is to design a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil, can effectively administer on grassland of West Sichuan by the soil of desertification, and the method that a kind of ecological vegetation adopted is administered, ensureing the economic benefit that can also improve whole meadow while grassland of West Sichuan is not by desertification, whole method has the characteristics such as scientific and reasonable, economic worth is high.
The present invention is achieved through the following technical solutions: a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil, comprises following concrete steps:
1) pasturing reserve is carried out to grassland of West Sichuan Desertification Soil, take the mode of engineering fence or Biology fence, the plot of grassland of West Sichuan desertification is strictly protected, clear stipulaties ecological vegetation is built district and is forbidden to herd, forbid livestock and artificial destruction, the ecosystem is rehabilitated, accelerates the clear-cutting forestland of vegetation;
2) different measure is taked according to different geographical, promote steppe vegetation clear-cutting forestland or manual reversion, specifically: for large-area natural meadow, particularly hydrothermal condition poor, there is no way power improvement and the place of setting up sown pasture taking fencing to protect, namely the mode of engineering fence is adopted to seal administering plot, forbid that livestock enters to gnaw and artificial destruction, rehabilitated in meadow, promote steppe vegetation clear-cutting forestland;
Or adopt the measure of loosening the soil to plough loose sod horizon soil, to improve deteriorate grassland soil aeration situation;
Or on the meadow of vegetation coverage 10%-30%, bare area area ratio more than 70%, but has the meadow of clear-cutting forestland ability to carry out after-culture;
Or in heavy saline, plant the plant of Salt And Alkali Tolerance, improve the physicochemical character of soil;
3) irrigate:
1 year herbage sprout to branching stage of tillering, autumn herbage respectively once irrigate to the root stored nutrient goods and materials phase, each irrigation quantity is 0.51-0.55 cubic meter/mu;
When carrying out described irrigation, the irrigation method of employing is: surface irrigation and sprinkling irrigation, and described surface irrigation comprises border irrigation, irrigates through furrow, basins irrigation and flood irrigation;
Described sprinkling irrigation is the irrigation method of a kind of advanced person, uses in the salt affected soil area of rugged complex topographic area territory or phreatic high; Namely the use of sprinkling irrigation reaches irrigation object, maintains soil structure again, has water-saving characteristic;
4) grassland fertilization, improves Productivity rapidly, improves careless group and divides, and regulates nutrient inventory, improves the measure of forage yield; The kind of described grassland fertilization comprises fertilizer, chemical fertilizer, composite fertilizer and micro-fertilizer; When carrying out described grassland fertilization, every 3-4 carries out earth's surface, a meadow and spreads fertilizer over the fields barnyard manure, and amount of application is fertilizer 50-100kg/ mu, and chemical fertilizer is 1-3kg/ mu, and composite fertilizer is 1-2kg/ mu, and micro-fertilizer is 0.2-0.3kg/ mu;
The barnyard manure that described fertilizer mainly becomes thoroughly decomposed completely, compost peat; Described chemical fertilizer is sulphur ammonium, urea, superphosphate, fused calcium magnesium phosphate, potassium sulfate, potassium chloride mainly; Described composite fertilizer is two ammoniums, NPK composite fertilizer mainly; Described micro-fertilizer mainly contains boron fertilizer, molydbenum fertilizer, rare earth;
When carrying out grassland fertilization, should grasp flexibly according to fertilizer chemical composition, nutrient inventory, when composite fertilizer uses as base manure, long employing is singly executed or is mixed with fertilizer the mode executed and uses, and amount of application is: row replacement 1-1.5kg/ mu, spreads fertilizer over the fields 1.5-2kg/ mu;
5) through step 1), 2), 3), 4) after the cover degree of grassland of West Sichuan vegetation that improves reach more than 80%, but the ecological meadow that economic benefit is lower, to carry out comprehensively or the higher seeds of perennial economic worth, grass seeds are introduced a fine variety in local; To improve the upper force of labor in soil; Also be one and promote that ecological grass is to the measure of the careless transition of economy, progressively improveing again through administering the meadow having grown vegetation, optimizing herbaceous stem, promoting that it develops into best Eco-economy System;
6) on the grassland of step 5) after improvement, build ecological grass shelter forest, namely in measures of eco-grass development district, according to the principle of matching species with the site, build shrub, tall filling combines or arbor forest network; Its seeds are mainly resistance to dust storm, drought-resistant, the Chinese tamarisk of Salt And Alkali Tolerance, matrimony vine, sea-buckthorn, willow, willow and pinus sylvestris var. mongolica etc., and forest network density is every 50 hectares of meshes.Administer achievement to reach to consolidate, improve the object of the ecological benefits on meadow.
Further to better implement the present invention, described step 2) in, adopt the measure of loosening the soil to plough loose sod horizon soil, to improve the concrete technology of deteriorate grassland soil aeration situation be:
Poor for topsoil consolidation permeability, and Soil Microorganism activity is weak, the plot that grassland productivity declines, loose sod horizon soil is ploughed in the employing measure of loosening the soil, to improve deteriorate grassland soil aeration situation, strengthen soil microbial activity, promote organic decomposition, selected meadow is rhizome type or rhizome-thin clump type dogstail is main meadow;
The described measure of loosening the soil comprises:
One, sod cutting, depth of implements is 10-15 centimetre, line-spacing 30-60 centimetre; Activity duration is early spring or late fall;
Two, pine rake, pine soil depth 10-15 centimetre, line-spacing 35-40 centimetre, the activity duration is at the beginning of autumn late summer;
Three, L. chinensis, carries out L. chinensis at the loam or desert soil being greater than 15 centimetres based on the soil thickness on the meadow of rhizome type dogstail; When carrying out described L. chinensis, machinery of turning over is tractor-drawn three turnplow or five-furrow plough, and tilth 15-20 centimetre, the time is summer.
Further to better implement the present invention, described step 2) on the meadow of vegetation coverage 10%-30%, bare area area ratio is more than 70%, but have the meadow of clear-cutting forestland ability to carry out in the technique of after-culture, the location of described after-culture comprises: the place that original vegetation sparse or overgrazing are degenerated; Indiscriminate to plough, dig excessively and make vegetation deterioration, cause the place of water and soil loss or hazards of sand storms; Remove the place of shrub, poisonous weeds and other imperfect plant; Original vegetation feeding value or kind single, need the place increasing pulse family or other good forage; The old-field of letting a piece of farmland go to waste after the reclamation of wasteland.
The local requirements soil texture of after-culture can ensure plant germination and growth, has certain soil layer, and annual precipitation is no less than 150 millimeters, has certain protection and management condition after broadcasting; The selection of after-culture herbage variety, mainly should consider adaptability, utilize object, productivity and feeding value; After-culture generally after rainy season set to before autumn has set in.
Further, to better implement the present invention, described step 2) in heavy saline, plant the plant of Salt And Alkali Tolerance, the concrete technology improving the physicochemical character of soil is:
Heavy saline plants Chinese tamarisk, and every 50 meters of 2 row of planting, seeding row spacing is 1 meter × 2 meters; Or at more than pH9, show in the heavy saline-alkali grassland plantation Salt And Alkali Tolerance grass seeds alkali thatch of the underground water source abundance of native salt content 1.0%-2.5%, speedwell, roe hair grass one or more, reach manual reversion grassland vegetation, the object of improvement ecotope.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention can effectively administer on grassland of West Sichuan by the soil of desertification, and the method that a kind of ecological vegetation adopted is administered, ensureing the economic benefit that can also improve whole meadow while grassland of West Sichuan is not by desertification, whole method has the characteristics such as scientific and reasonable, economic worth is high.
The present invention effectively can improve local ecotope, increases economic efficiency, and increases the output of herbage.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
Utilize ecological vegetation to administer a method for grassland of West Sichuan Desertification Soil, comprise following concrete steps:
1) pasturing reserve is carried out to grassland of West Sichuan Desertification Soil, take the mode of engineering fence or Biology fence, the plot of grassland of West Sichuan desertification is strictly protected, clear stipulaties ecological vegetation is built district and is forbidden to herd, forbid livestock and artificial destruction, the ecosystem is rehabilitated, accelerates the clear-cutting forestland of vegetation;
2) different measure is taked according to different geographical, promote steppe vegetation clear-cutting forestland or manual reversion, specifically: for large-area natural meadow, particularly hydrothermal condition poor, there is no way power improvement and the place of setting up sown pasture taking fencing to protect, namely the mode of engineering fence is adopted to seal administering plot, forbid that livestock enters to gnaw and artificial destruction, rehabilitated in meadow, promote steppe vegetation clear-cutting forestland;
Or adopt the measure of loosening the soil to plough loose sod horizon soil, to improve deteriorate grassland soil aeration situation;
Or on the meadow of vegetation coverage 10%-30%, bare area area ratio more than 70%, but has the meadow of clear-cutting forestland ability to carry out after-culture;
Or in heavy saline, plant the plant of Salt And Alkali Tolerance, improve the physicochemical character of soil;
3) irrigate:
1 year herbage sprout to branching stage of tillering, autumn herbage respectively once irrigate to the root stored nutrient goods and materials phase, each irrigation quantity is 0.51-0.55 cubic meter/mu;
When carrying out described irrigation, the irrigation method of employing is: surface irrigation and sprinkling irrigation, and described surface irrigation comprises border irrigation, irrigates through furrow, basins irrigation and flood irrigation;
Described sprinkling irrigation is the irrigation method of a kind of advanced person, uses in the salt affected soil area of rugged complex topographic area territory or phreatic high; Namely the use of sprinkling irrigation reaches irrigation object, maintains soil structure again, has water-saving characteristic;
4) grassland fertilization, improves Productivity rapidly, improves careless group and divides, and regulates nutrient inventory, improves the measure of forage yield; The kind of described grassland fertilization comprises fertilizer, chemical fertilizer, composite fertilizer and micro-fertilizer; When carrying out described grassland fertilization, every 3-4 carries out earth's surface, a meadow and spreads fertilizer over the fields barnyard manure, and amount of application is fertilizer 50-100kg/ mu, and chemical fertilizer is 1-3kg/ mu, and composite fertilizer is 1-2kg/ mu, and micro-fertilizer is 0.2-0.3kg/ mu;
The barnyard manure that described fertilizer mainly becomes thoroughly decomposed completely, compost peat; Described chemical fertilizer is sulphur ammonium, urea, superphosphate, fused calcium magnesium phosphate, potassium sulfate, potassium chloride mainly; Described composite fertilizer is two ammoniums, NPK composite fertilizer mainly; Described micro-fertilizer mainly contains boron fertilizer, molydbenum fertilizer, rare earth;
When carrying out grassland fertilization, should grasp flexibly according to fertilizer chemical composition, nutrient inventory, when composite fertilizer uses as base manure, long employing is singly executed or is mixed with fertilizer the mode executed and uses, and amount of application is: row replacement 1-1.5kg/ mu, spreads fertilizer over the fields 1.5-2kg/ mu;
5) through step 1), 2), 3), 4) after the cover degree of grassland of West Sichuan vegetation that improves reach more than 80%, but the ecological meadow that economic benefit is lower, to carry out comprehensively or the higher seeds of perennial economic worth, grass seeds are introduced a fine variety in local; To improve the upper force of labor in soil; Also be one and promote that ecological grass is to the measure of the careless transition of economy, progressively improveing again through administering the meadow having grown vegetation, optimizing herbaceous stem, promoting that it develops into best Eco-economy System;
6) on the grassland of step 5) after improvement, build ecological grass shelter forest, namely in measures of eco-grass development district, according to the principle of matching species with the site, build shrub, tall filling combines or arbor forest network; Its seeds are mainly resistance to dust storm, drought-resistant, the Chinese tamarisk of Salt And Alkali Tolerance, matrimony vine, sea-buckthorn, willow, willow and pinus sylvestris var. mongolica etc., and forest network density is every 50 hectares of meshes.Administer achievement to reach to consolidate, improve the object of the ecological benefits on meadow.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, and described step 2) in, adopt the measure of loosening the soil to plough loose sod horizon soil, to improve the concrete technology of deteriorate grassland soil aeration situation be:
Poor for topsoil consolidation permeability, and Soil Microorganism activity is weak, the plot that grassland productivity declines, loose sod horizon soil is ploughed in the employing measure of loosening the soil, to improve deteriorate grassland soil aeration situation, strengthen soil microbial activity, promote organic decomposition, selected meadow is rhizome type or rhizome-thin clump type dogstail is main meadow;
The described measure of loosening the soil comprises:
One, sod cutting, depth of implements is 10-15 centimetre, line-spacing 30-60 centimetre; Activity duration is early spring or late fall;
Two, pine rake, pine soil depth 10-15 centimetre, line-spacing 35-40 centimetre, the activity duration is at the beginning of autumn late summer;
Three, L. chinensis, carries out L. chinensis at the loam or desert soil being greater than 15 centimetres based on the soil thickness on the meadow of rhizome type dogstail; When carrying out described L. chinensis, machinery of turning over is tractor-drawn three turnplow or five-furrow plough, and tilth 15-20 centimetre, the time is summer.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further to better implement the present invention, described step 2) on the meadow of vegetation coverage 10%-30%, bare area area ratio is more than 70%, but have the meadow of clear-cutting forestland ability to carry out in the technique of after-culture, the location of described after-culture comprises: the place that original vegetation sparse or overgrazing are degenerated; Indiscriminate to plough, dig excessively and make vegetation deterioration, cause the place of water and soil loss or hazards of sand storms; Remove the place of shrub, poisonous weeds and other imperfect plant; Original vegetation feeding value or kind single, need the place increasing pulse family or other good forage; The old-field of letting a piece of farmland go to waste after the reclamation of wasteland.
The local requirements soil texture of after-culture can ensure plant germination and growth, has certain soil layer, and annual precipitation is no less than 150 millimeters, has certain protection and management condition after broadcasting; The selection of after-culture herbage variety, mainly should consider adaptability, utilize object, productivity and feeding value; After-culture generally after rainy season set to before autumn has set in.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, described step 2) in heavy saline, plant the plant of Salt And Alkali Tolerance, the concrete technology improving the physicochemical character of soil is:
Heavy saline plants Chinese tamarisk, and every 50 meters of 2 row of planting, seeding row spacing is 1 meter × 2 meters; Or at more than pH9, show in the heavy saline-alkali grassland plantation Salt And Alkali Tolerance grass seeds alkali thatch of the underground water source abundance of native salt content 1.0%-2.5%, speedwell, roe hair grass one or more, reach manual reversion grassland vegetation, the object of improvement ecotope.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (5)
1. utilize ecological vegetation to administer a method for grassland of West Sichuan Desertification Soil, it is characterized in that: comprise following concrete steps:
1) pasturing reserve is carried out to grassland of West Sichuan Desertification Soil, take the mode of engineering fence or Biology fence, the plot of grassland of West Sichuan desertification is strictly protected, clear stipulaties ecological vegetation is built district and is forbidden to herd, forbid livestock and artificial destruction, the ecosystem is rehabilitated, accelerates the clear-cutting forestland of vegetation;
2) different measure is taked according to different geographical, promote steppe vegetation clear-cutting forestland or manual reversion, specifically: for large-area natural meadow, particularly hydrothermal condition poor, there is no way power improvement and the place of setting up sown pasture taking fencing to protect, namely the mode of engineering fence is adopted to seal administering plot, forbid that livestock enters to gnaw and artificial destruction, rehabilitated in meadow, promote steppe vegetation clear-cutting forestland;
Or adopt the measure of loosening the soil to plough loose sod horizon soil, to improve deteriorate grassland soil aeration situation;
Or on the meadow of vegetation coverage 10%-30%, bare area area ratio more than 70%, but has the meadow of clear-cutting forestland ability to carry out after-culture;
Or in heavy saline, plant the plant of Salt And Alkali Tolerance, improve the physicochemical character of soil;
3) irrigate:
1 year herbage sprout to branching stage of tillering, autumn herbage respectively once irrigate to the root stored nutrient goods and materials phase, each irrigation quantity is 0.51-0.55 cubic meter/mu;
When carrying out described irrigation, the irrigation method of employing is: surface irrigation and sprinkling irrigation, and described surface irrigation comprises border irrigation, irrigates through furrow, basins irrigation and flood irrigation;
4) grassland fertilization, improves Productivity rapidly, improves careless group and divides, and regulates nutrient inventory, improves the measure of forage yield; The kind of described grassland fertilization comprises fertilizer, chemical fertilizer, composite fertilizer and micro-fertilizer; When carrying out described grassland fertilization, every 3-4 carries out earth's surface, a meadow and spreads fertilizer over the fields barnyard manure, and amount of application is fertilizer 50-100kg/ mu, and chemical fertilizer is 1-3kg/ mu, and composite fertilizer is 1-2kg/ mu, and micro-fertilizer is 0.2-0.3kg/ mu;
The barnyard manure that described fertilizer mainly becomes thoroughly decomposed completely, compost peat; Described chemical fertilizer is sulphur ammonium, urea, superphosphate, fused calcium magnesium phosphate, potassium sulfate, potassium chloride mainly; Described composite fertilizer is two ammoniums, NPK composite fertilizer mainly; Described micro-fertilizer mainly contains boron fertilizer, molydbenum fertilizer, rare earth;
5) through step 1), 2), 3), 4) after the cover degree of grassland of West Sichuan vegetation that improves reach more than 80%, but the ecological meadow that economic benefit is lower, to carry out comprehensively or the higher seeds of perennial economic worth, grass seeds are introduced a fine variety in local;
6) on the grassland of step 5) after improvement, build ecological grass shelter forest, namely in measures of eco-grass development district, according to the principle of matching species with the site, build shrub, tall filling combines or arbor forest network; Its seeds are mainly resistance to dust storm, drought-resistant, the Chinese tamarisk of Salt And Alkali Tolerance, matrimony vine, sea-buckthorn, willow, willow and pinus sylvestris var. mongolica etc., and forest network density is every 50 hectares of meshes.
2. a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil according to claim 1, it is characterized in that: described step 2) in, loose sod horizon soil is ploughed in the employing measure of loosening the soil, and to improve the concrete technology of deteriorate grassland soil aeration situation is:
Poor for topsoil consolidation permeability, and Soil Microorganism activity is weak, the plot that grassland productivity declines, loose sod horizon soil is ploughed in the employing measure of loosening the soil, to improve deteriorate grassland soil aeration situation, strengthen soil microbial activity, promote organic decomposition, selected meadow is rhizome type or rhizome-thin clump type dogstail is main meadow;
The described measure of loosening the soil comprises:
One, sod cutting, depth of implements is 10-15 centimetre, line-spacing 30-60 centimetre; Activity duration is early spring or late fall;
Two, pine rake, pine soil depth 10-15 centimetre, line-spacing 35-40 centimetre, the activity duration is at the beginning of autumn late summer;
Three, L. chinensis, carries out L. chinensis at the loam or desert soil being greater than 15 centimetres based on the soil thickness on the meadow of rhizome type dogstail; When carrying out described L. chinensis, machinery of turning over is tractor-drawn three turnplow or five-furrow plough, and tilth 15-20 centimetre, the time is summer.
3. a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil according to claim 1 and 2, it is characterized in that: described step 2) on the meadow of vegetation coverage 10%-30%, bare area area ratio is more than 70%, but have the meadow of clear-cutting forestland ability to carry out in the technique of after-culture, the location of described after-culture comprises: the place that original vegetation sparse or overgrazing are degenerated; Indiscriminate to plough, dig excessively and make vegetation deterioration, cause the place of water and soil loss or hazards of sand storms; Remove the place of shrub, poisonous weeds and other imperfect plant; Original vegetation feeding value or kind single, need the place increasing pulse family or other good forage; The old-field of letting a piece of farmland go to waste after the reclamation of wasteland.
4. a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil according to claim 3, is characterized in that: described step 2) in heavy saline, plant the plant of Salt And Alkali Tolerance, the concrete technology improving the physicochemical character of soil is:
Heavy saline plants Chinese tamarisk, and every 50 meters of 2 row of planting, seeding row spacing is 1 meter × 2 meters; Or at more than pH9, show in the heavy saline-alkali grassland plantation Salt And Alkali Tolerance grass seeds alkali thatch of the underground water source abundance of native salt content 1.0%-2.5%, speedwell, roe hair grass one or more.
5. a kind of method utilizing ecological vegetation to administer grassland of West Sichuan Desertification Soil according to claim 1 and 2, is characterized in that: described step 2) in heavy saline, plant the plant of Salt And Alkali Tolerance, the concrete technology improving the physicochemical character of soil is:
Heavy saline plants Chinese tamarisk, and every 50 meters of 2 row of planting, seeding row spacing is 1 meter × 2 meters; Or at more than pH9, show in the heavy saline-alkali grassland plantation Salt And Alkali Tolerance grass seeds alkali thatch of the underground water source abundance of native salt content 1.0%-2.5%, speedwell, roe hair grass one or more.
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Cited By (11)
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| CN105660148A (en) * | 2016-02-25 | 2016-06-15 | 中国科学院成都生物研究所 | Desertification grassland recovery method |
| CN107124931A (en) * | 2017-05-22 | 2017-09-05 | 内蒙古百合生态科技有限公司 | A kind of desert saline ground method of water conservation drought resisting in afforestation |
| CN108293624A (en) * | 2018-01-29 | 2018-07-20 | 西南大学 | A kind of degeneration Steppe fertilising rejuvenation method of combination rainfall |
| CN108739122A (en) * | 2018-06-22 | 2018-11-06 | 内蒙古蒙草生态环境（集团）股份有限公司 | The maintenance process of grassland region devastated land vegetation and grassland region ecological restoring method |
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| CN105660148A (en) * | 2016-02-25 | 2016-06-15 | 中国科学院成都生物研究所 | Desertification grassland recovery method |
| CN105660148B (en) * | 2016-02-25 | 2019-04-19 | 中国科学院成都生物研究所 | A kind of Sandy Grassland restoration methods |
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| CN108293624A (en) * | 2018-01-29 | 2018-07-20 | 西南大学 | A kind of degeneration Steppe fertilising rejuvenation method of combination rainfall |
| CN108770405A (en) * | 2018-06-19 | 2018-11-09 | 江苏东珠景观股份有限公司 | A kind of soil function restoration methods on hardened grassland of degenerating |
| CN108739122A (en) * | 2018-06-22 | 2018-11-06 | 内蒙古蒙草生态环境（集团）股份有限公司 | The maintenance process of grassland region devastated land vegetation and grassland region ecological restoring method |
| CN108901647A (en) * | 2018-06-22 | 2018-11-30 | 内蒙古蒙草生态环境（集团）股份有限公司 | The restoration methods and grassland region ecological restoring method of grassland region devastated land vegetation |
| CN109089745A (en) * | 2018-07-17 | 2018-12-28 | 中国科学院西北高原生物研究所 | It is a kind of for restoring the sown grassland method on permafrost region Degraded Alpine meadow |
| CN109042098A (en) * | 2018-07-27 | 2018-12-21 | 内蒙古蒙草生态环境（集团）股份有限公司 | The herbage breeding method of degeneration native pasture |
| CN109618824A (en) * | 2018-11-07 | 2019-04-16 | 中国林业科学研究院林业新技术研究所 | A kind of restorative procedure of alpine meadow ecosystem vegetation |
| CN110073889A (en) * | 2019-06-13 | 2019-08-02 | 左会军 | A kind of ecological fence and preparation method thereof for grassland and waste mountain waste |
| CN115568381A (en) * | 2022-09-08 | 2023-01-06 | 鄂尔多斯市林业和草原调查勘验中心 | Method for controlling grassland desertification land by using ecological vegetation |
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