CN111727683A - Method for restoring vegetation of deteriorated grassland in mouse wasteland - Google Patents
Method for restoring vegetation of deteriorated grassland in mouse wasteland Download PDFInfo
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- CN111727683A CN111727683A CN202010603546.1A CN202010603546A CN111727683A CN 111727683 A CN111727683 A CN 111727683A CN 202010603546 A CN202010603546 A CN 202010603546A CN 111727683 A CN111727683 A CN 111727683A
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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
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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Abstract
A method for restoring vegetation of deteriorated grasslands on mouse wasteland is characterized by comprising the following steps: utilize microenvironment configuration technique, artificial configuration slope is to and the slope, forms the microenvironment that is favorable to the community to be stable, carries out the mixed seeding with local grass seeds commonly used again, does benefit to the moisturizing after the microenvironment forms, protects the soil moisture, prevents off to prevent and removes off and makes different grass seeds stably colonize and the intergrowth in the microenvironment in combination with weeds, has created the environment that is unfavorable for rodent to perch simultaneously, has prevented the emergence of rat damage to reach the purpose of repairing the degradation meadow. The method has an important effect on the recovery of deteriorated alpine meadow vegetation in a rat wasteland type, the water and soil conservation and the water source conservation at the upstream of a yellow river, effectively prevents the re-occurrence of rodents, and enables the deteriorated meadow in the alpine meadow to be effectively recovered.
Description
Technical Field
The invention relates to a method for restoring vegetation of deteriorated grasslands on mouse wasteland, belonging to the technical field of ecological restoration.
Background
The rat wasteland is the secondary bare land formed by the pest rat after destroying grassy vegetation. In various grasslands and peripheral areas, after vegetation is extremely or severely damaged by dominant species of rats represented by plateau rats, plateau zokors, gerbils, yellow rats, brookfield rats and the like, the destruction rate of a grass layer of the original vegetation reaches over 80 percent, first-year and second-year weed species grow, the vegetation is sparse, the structure of a plant community lamellar sheet is simplified, the coverage of the vegetation is less than 10 percent, the quantity of overground plants is almost lost, soil is loose and drought is formed, soil organic matters and soil matrix are pushed to the ground surface by the pests and the rats together, the texture becomes heavy after weathering, and the plants are gradually desertified to form secondary bare land with desertification landscape, namely a rat wasteland. On a mouse wasteland, the ground surface becomes sore and holes due to abandoned mouse holes, mouse dunes, erosion ditches and the like, the ground surface is broken, the characteristic micro landform characteristic of the mouse-damaged grassland is formed, the ground is rolled in a yellow dragon mode every time the wind blowing season for unfreezing the soil comes, and if head wind is met, the surface soil is wrapped by a winch and lifted by hundreds of meters, and sand waves are raised by dozens of kilometers. The mouse land accelerates the process of grassland desertification, seriously threatens the whole grassland ecological environment, destroys the production capacity of the grassland and is one of the main reasons for the impoverishment of the life of herdsmen in the pasturing area.
The alpine meadow is the main grassland of the Tibet plateau and occupies 65 percent of the area of the whole natural grassland. Due to excessive grazing, rat damage and the like, bald patches are formed on alpine meadows, and primary vegetation of the alpine meadows is degraded into secondary weed grasslands or bald bare lands through wind erosion, water erosion and the like to form 'rat wastelands'. The spreading of the secondary toxic weed plants in the mouse wasteland threatens the normal ecological and production functions of the high-cold grassland in the Qinghai-Tibet plateau and the animal husbandry. With the gradual reduction of the soil nutrient supply level and the transformation capability, the loss of the living environment of plants such as fleabane and grass, and the like, toxic weeds start to invade, develop and spread. Deterioration of the grassy system is affected by the weakening and loss of soil function, which also accelerates the deterioration of grassy vegetation. The height and the coverage of the deteriorated vegetation of the grassland are reduced, a proper environmental condition is provided for the occurrence and the spread of the rat damage, the pest rats bite pasture, dig tunnels and the like to destroy the grassland activity and aggravate the further deterioration of the grassland, a vicious circle of 'deterioration-rat damage-aggravation deterioration' is formed, the native vegetation on the ground surface disappears, the soil aggregate structure is damaged, the soil fertility is continuously reduced, the nutrient conversion is hindered, the adsorbability is remarkably reduced, the production and the ecological function of the grassland are lost, and the rat wasteland is formed. Meanwhile, the height and the coverage of the deteriorated vegetation in the grassland are reduced, a proper environmental condition is provided for the occurrence and the spread of the rat damage, the pest damage damages grassland activities such as grazing of pasture, digging of tunnels and the like aggravate the further deterioration of the grassland, a vicious circle of 'deterioration-rat damage-aggravation of deterioration' is formed, the primary vegetation on the ground surface disappears, the soil aggregate structure is damaged, the soil fertility is continuously reduced, the nutrient conversion is hindered, the adsorbability is remarkably reduced, and the production and the ecological functions of the grassland are lost. The expansion of the rat wasteland damages the ecological environment of the alpine meadow and restricts the continuous development of the animal husbandry, so that the treatment of the rat wasteland and the maintenance of the ecological balance of the alpine meadow are urgent matters for the continuous and stable development of the alpine meadow animal husbandry.
The distribution areas of alpine meadows are mostly cold, moist and frequent in temperature reduction, and the winter is long without summer and the spring and autumn are short. Low annual average temperature, no absolute frost-free period, short growth period of pasture and the like. Taking Luqu county, south-Gannan as an example, the sunshine hours in the whole county are 2222 hours on average. The percentage of sunshine is 50% and the annual total radiation theoretical value is 123 kcal/cm. The annual average precipitation is 633-782 millimeters, the concentrated precipitation is mostly in autumn, the evaporation capacity is low, and the annual average precipitation is 1205 millimeters. The rain and heat are in the same season, which is beneficial to the growth of the pasture. The unique characteristics of alpine meadow provide an examination for repairing measures such as meadow reseeding and the like.
Currently, most of the existing repair measures are natural recovery after grazing is prohibited by fences. However, the natural recovery of the common deteriorated grassland has the problems of frequent recovery period, difficult effect taking and the like. For mouse wasteland type deteriorated grasslands and with the aggravation of succession, the natural recovery is retrograde succession, and the recovery of the grasslands can hardly be realized; general artificial grassland planting and no-tillage reseeding have the characteristics of low germination rate, incapability of overwintering the reseeded grass seeds, incapability of updating, poor stability, shallow grass root layer and thin grass root layer due to soil texture and the like, cannot achieve soil moisture preservation and water retention, is unstable in community, and cannot achieve true restoration; the influence and the prevention on rodents are not considered in the general repaired environment, so that the rodents are easy to colonize again, a vicious cycle is formed, and a new technology is urgently needed to make up for the existing defects.
Disclosure of Invention
The invention provides a vegetation restoration method for deteriorated grasslands in mouse wastelands, which is not beneficial to inhabitation of rodents and can effectively restore the deteriorated grasslands in alpine meadows.
The technical scheme adopted by the invention is as follows:
the utility model provides a mouse wasteland type deteriorated grassland vegetation restoration method, utilizes microenvironment configuration technique, artificially configures the slope to and the slope, forms the microenvironment that is favorable to the community to be stable, carries out the mixed seeding with local grass seeds commonly used again, does benefit to the moisturizing after the microenvironment forms, protects soil moisture, combines weeds to prevent and remove off and makes different grass seeds stably colonize and the intergrowth in the microenvironment, has created the environment that is unfavorable for rodent perching simultaneously, has prevented the reoccurrence of rat damage to reach the mesh of restoreing the deteriorated grassland. The specific operation steps are as follows:
(1) enclosing: enclosing the deteriorated grassland to be repaired by using 15-20 meshes of wire netting, and then broadcasting fertilizer according to the using amount of 7500-15000 kg/ha; the deteriorated grassland to be repaired is a rat wasteland type alpine meadow deteriorated grassland.
(2) Harrowing: harrowing soil with a medium-sized cultivator or manually, wherein the harrowing depth is 12-20 cm.
(3) Removing impurities: aiming at local dominant weeds (such as elsholtzia densa and ligularia straminea) the biological preparation medicine is sprayed to prevent and kill the weeds.
(4) Microenvironment configuration: and manually configuring a microenvironment with a certain slope direction and a certain slope gradient, wherein the ridge height is 10-15 cm, the ridge width is 15-25 cm, and the ridge distance is 30-50 cm.
(5) Seed selection: the local common grass seeds are selected from perennial grass seeds, annual grass seeds, rhizome type grass seeds, sparse cluster type grass seeds, 2 or 3 combined mixed sowing.
(6) Sowing: and manually broadcasting the selected seeds to the bottom of a furrow formed after ridging, and manually covering soil for 1-2 cm after broadcasting.
(7) And (5) enclosing and cultivating in a fence for 2-3 years.
The invention has the beneficial effects that: aiming at the characteristics of thin soil layer, variable climate, unstable community, barely exposed soil of deteriorated grassland of rat wasteland type and the like in alpine meadow pasture areas, a microenvironment configuration technology is provided, and a stable microenvironment is formed. The local common grass seeds are reused for combined mixed sowing, the emergence rate of the grass seeds and the later-stage rapid growth and symbiosis can be guaranteed, sufficient nutrients in soil are guaranteed due to the addition of the fertilizer, seed and nutrient conditions are provided for the vegetation restoration of the mouse wasteland type deteriorated grassland, sufficient vegetation restoration is guaranteed within 2-3 years, and the method is suitable for the restoration of the mouse wasteland type deteriorated grassland. And after the artificial ridging, the change of the microenvironment influences the construction of the underground rat cave, reduces the settlement and the reproduction of rodents, and also hinders the occurrence of the number of two kinds of subsequent alpine meadows with the advantages of rodents (alpine zokor and alpine rabbits). The method has an important effect on the recovery of deteriorated alpine meadow vegetation in a rat wasteland type, the water and soil conservation and the water conservation at the upstream of a yellow river, and can effectively recover the deteriorated grasslands in alpine meadows. The invention has the following characteristics:
(1) the pretreatment of sowing and the high-density seed application amount ensure that the seedling generation rate is higher and the seedling supplement source is enough under the condition of high altitude and in the severe climate environment.
(2) The slope direction and the slope gradient formed by the microenvironment configuration technology are beneficial to the water retention, the heat preservation, the soil moisture preservation and the like of the grasslands, and can ensure the seedling emergence and the colonization of the grass seeds.
(3) The furrow formed by the microenvironment configuration technology changes the inhabitation environment of the rodents. For underground rats (plateau zokors), the shallow soil layer at the bottom of the furrow is not beneficial to digging holes and the like of the plateau zokors, so that the settlement and the multiplication of the underground rats are reduced; for the ground mouse, the top of the ridge obstructs the visual field of the ground mouse and the plateau mouse, so that the ground mouse and the plateau mouse are not beneficial to the colonization and the multiplication of the ground mouse and the plateau mouse.
(4) The control action overcomes the chemical sensation and the like, and reduces the competitive advantage of weeds. And enough fertilizer provides enough carbon and nitrogen sources for soil microorganism metabolism to provide nutrients for plants, and the fertilizer with higher C: N ratio can improve the utilization rate of nitrogen fertilizer.
Detailed Description
The sedge and gramineae plants in the rat wasteland type deteriorated grassland are greatly reduced in proportion, the proportion of weeds (such as elsholtzia densa, ligularia stramonium, artemisia anomala, and the like) is increased, the vegetation coverage is reduced, grass damage begins to destroy turf, more and more bare land is left, rodents are bitten by the rodents to destroy vegetation, the bare land is obviously increased, the rat wasteland type deteriorated grassland is formed, and the grassland is not suitable for grazing any more.
The implementation principle of the invention is as follows: through enclosing, harrowing, weeds prevent and remove off, microenvironment configuration, the kind of selection, step such as seeding and earthing, utilize the regeneration and the conversion of microenvironment configuration technique and soil environment and microbial manure, make the meadow can the moisturizing, protect fertilizer, protect soil moisture and keep warm etc. broadcast the local grass species of commonly using, the microenvironment provides colonization and the intergrowth of different grass species, the emergence rate of grass species has been guaranteed, the recumbency of rodent has also been prevented, harm has been reduced, order about the natural recovery on degradation meadow.
At first, define the mouse wasteland type degradation meadow that needs to be restoreed to enclose the processing of sealing with 15 ~ 20 mesh's wire netting, the wire netting not only can prevent the livestock to get into the meadow, because the aperture of wire netting is less, can also play the effect that blocks the rodent of type roughly and get into in addition, reduced ground rodent's quantity to a certain extent, have the positive effect to the meadow protection. The grassland is firstly broadcast fertilizer after being enclosed and sealed, and then harrowing is carried out, the fertilizer is fully mixed with soil blocks, because the fertilizer contains various nutrient substances and floras, the soil quality can be obviously improved, the soil fertility is kept, meanwhile, weed control is carried out, the influence of allelopathy and the like on subsequent vegetation is reduced, microenvironment configuration is carried out again on the basis, certain slope and slope direction are artificially configured, the fertilizer preservation, the soil moisture preservation, the heat preservation and the like of the grassland can be increased, and seed selection and sowing are carried out again on the basis. When raking the soil, the rake depth is 12-20 cm, and compared with the rake depth which is a shallow rake on the surface layer in the prior art, the rake depth can ensure that the applied fertilizer can be fully combined with the soil to ferment in the soil, thereby providing a good environment for the rapid growth of grass seeds and having important significance for the rapid restoration of vegetation in high and cold grassland.
According to the invention, a microenvironment configuration technology is utilized, the raked grassland is artificially built into the ridge and furrow to form a slope and a slope direction, grass seeds are sowed at the bottom of the furrow, so that the effects of soil moisture preservation, heat preservation, water preservation and fertilizer preservation are favorably realized, and the emergence rate of the grass seeds can be ensured even if the local common grass seeds are sowed. In addition, the grassland is fertilized before sowing to improve certain soil texture, ensure the germination rate of the grass seeds and ensure the subsequent normal growth of the vegetation.
By utilizing the microenvironment configuration technology, the ridges on the ground obstruct the visual field of (ground rats) plateau rats, the risk of predation is increased, the (ground rats) plateau rats are not beneficial to settlement and reproduction, the shallow soil layer at the bottom of the ridges is also not beneficial to digging holes and the like of (underground rats) plateau zokors, and the settlement and reproduction are reduced. The two dominant rodents in the subsequent alpine meadow are blocked.
The technical means of the present invention will be further described below by way of specific examples.
Embodiment 1, a rat wasteland type deteriorated grassland vegetation restoration method utilizes microenvironment configuration technology, artificially configures the slope direction and the slope, forms a microenvironment beneficial to community stabilization, then co-broadcasts the local common grass seeds, is beneficial to water retention and soil moisture preservation after the microenvironment is formed, combines weeds to prevent and kill off different grass seeds to stably colonize and symbiotically in the microenvironment, creates an environment not beneficial to rodent inhabitation simultaneously, prevents the occurrence of rat damage, and thereby achieves the purpose of restoring deteriorated grasslands. The specific operation steps are as follows:
(1) enclosing: enclosing the deteriorated grassland to be repaired by using 15-20 meshes of wire netting, and then broadcasting fertilizer according to the using amount of 7500-15000 kg/ha; the fertilizer is prepared by the following steps: phosphate fertilizer: the weight ratio of the microbial agent =1:1: 20; the microbial agent is a fertilizer containing nitrogen-fixing bacteria and phosphorus-removing bacteria, so that nitrogen fertilizer in the fertilizer is fully decomposed by soil, and the absorption of vegetation is facilitated.
(2) Harrowing: harrowing the soil by a medium-sized cultivator or manually, wherein the harrowing depth is 12cm, 15cm, 18cm or 20cm and the like.
(3) Removing impurities: aiming at local dominant weeds (such as elsholtzia densa and ligularia straminea), a biological preparation drug is selected, and the drug is sprayed to prevent and kill the weeds according to the drug use instruction.
(4) Microenvironment configuration: ridging is carried out manually, wherein the height of each ridge is 10cm, 12cm or 15cm, the width of each ridge is 15cm, 20cm or 25cm, and the distance between every two ridges is 30cm, 35cm, 40cm, 45cm or 50 cm; the direction of the ridges is perpendicular to the wind direction.
(5) Seed selection: selecting local common grass seeds which are perennial grass seeds, annual grass seeds, rhizome type grass seeds and sparse grass seeds, wherein 2 or 3 of the perennial grass seeds, the annual grass seeds, the rhizome type grass seeds and the sparse grass seeds are mixed and sowed.
(6) Sowing: manually broadcasting the selected seeds to the bottom of a furrow formed after ridging, and manually covering soil for 1-2 cm after broadcasting is finished; the sowing time is the early stage of meadow green turning, namely the middle-upper ten days in May, and the sowing amount is generally 30 kg/ha-40 kg/ha of shawl weed, 35 kg/ha-40 kg/ha of rye and 160 kg/ha-200 kg/ha of oat.
(7) And (5) enclosing and cultivating in a fence for 2-3 years.
The specific implementation method of the invention is as follows:
(1) enclosing and harrowing: the method comprises the following steps of (1) defining a grassland to be repaired, arranging cement piles or timber piles with the height of about 2m at intervals of 5-10 m around the grassland, enclosing the grassland by using a wire mesh with the diameter of 15-20 meshes, and arranging an access door for people to enter and exit during enclosing; after enclosing, fertilizer is scattered according to the dosage of 7500-15000 kg/ha, and the fertilizer used in the invention preferentially adopts nitrogen fertilizer: phosphate fertilizer: microbial inoculum =1:1:20 ratio; the microbial agent contains azotobacter and phosphate-dissolving bacteria; after the fertilizer is spread, the soil is raked by a medium-sized cultivator or manually, and the rake depth is 12-20 cm, so that the fertilizer and the soil are fully mixed.
(2) Microenvironment configuration: and (3) ridging is carried out manually, wherein the height of each ridge is 10-15 cm, the width of each ridge is 15-25 cm, and the distance between every two ridges is 30-50 cm. The microenvironment configuration has the functions of increasing the heat preservation, soil moisture preservation and water preservation of the grassland soil, and provides a better environment for the emergence rate and the later growth of grass seeds.
(3) Seed selection: annual ryegrass, sparse-clump type perennial ryegrass and rhizome type elymus nutans are selected.
(4) Sowing: sowing 70% of elymus nutans and 30% of oat in a mixed mode, manually sowing, and manually covering soil for 1-2 cm after sowing.
(5) And (5) enclosing and cultivating in a fence for 2-3 years. The enclosure is used for guaranteeing the self-renewal capacity of the grassland and providing guarantee for the renewal of the grassland and the stability of the grass root layer.
Example 2, a method for repairing deteriorated grassland vegetation in a mouse wasteland, wherein a mouse wasteland is a suitable place for rodents, and the control of mice is performed first. The scheme of combining the ground mice and underground mice for artificial capture, fencing, fertilizing, harrowing, microenvironment configuration, sowing, management and the like is adopted, and in addition, if a large amount of weeds exist in the barren lands of the mice, the weeds can be artificially prevented and removed in the current growth prime period. The method comprises the following specific steps:
(1) manually controlling the mouse for the first time: the method is characterized in that ground and underground bandicoots are comprehensively and manually caught by a manual catching method. In addition, in order to guarantee the follow-up effect, compensatory rodent control is required to be carried out on the whole area, the density of rodents is reduced, and the repairing effect is guaranteed.
(2) Weed control: during the full growth period of the current year, before seed setting, the weeds are controlled manually or by medicaments. The control is directed to the control of large-area weeds. After the weeds are prevented and removed, the emergence rate of the reseeding grass seeds is greatly guaranteed.
(3) Harrowing: fertilizing is carried out before harrowing, and nitrogen fertilizers are adopted for fertilizing: phosphate fertilizer: the method comprises the following steps of (1) spreading a fertilizer according to the using amount of 7500-15000 kg/ha by using a microbial agent =1:1:20, wherein the microbial agent contains azotobacter, phosphate-removing bacteria and the like; after the fertilizer is broadcast, raking the soil by using a medium-sized cultivator or manually raking the soil with the rake depth of 12-20 cm, so that the fertilizer and the soil are fully mixed, and soil covering treatment is needed for individual areas with thinner soil layers.
(4) Microenvironment configuration: and (3) ridging is carried out manually, wherein the height of each ridge is 10-15 cm, the width of each ridge is 15-25 cm, and the distance between every two ridges is 30-50 cm. The microenvironment configuration has the functions of increasing the heat preservation, soil moisture preservation and water preservation of the grassland soil, and provides a better environment for the emergence rate and the later growth of grass seeds.
(5) Seed selection: selecting 70% elymus nutans and 30% rye for mixed sowing.
(6) Sowing: and (3) manually broadcasting the selected seeds, and manually covering soil for 1-2 cm after broadcasting.
(7) And (5) enclosing and cultivating in a fence for 2-3 years. The enclosure is used for guaranteeing the self-renewal capacity of the grassland and providing guarantee for the renewal of the grassland and the stability of the grass root layer.
Claims (4)
1. A method for restoring vegetation of deteriorated grasslands on mouse wasteland is characterized by comprising the following steps: utilize microenvironment configuration technique, artificial configuration slope is to and the slope, forms the microenvironment that is favorable to the community stability, carries out the mixed seeding with local grass seeds commonly used again, does benefit to the moisturizing after the microenvironment forms, protects soil moisture, combines weeds to prevent and removes off and makes different grass seeds stably colonize and the intergrowth in the microenvironment, has created the environment that is unfavorable for rodent to perch simultaneously, has prevented the emergence of mouse injury to reach the purpose of repairing the degradation meadow, specific operating procedure is as follows:
(1) enclosing: enclosing the deteriorated grassland to be repaired by using 15-20 meshes of wire netting, and then spreading fertilizer according to the using amount of 7500-15000 kg/hectare;
(2) harrowing: harrowing soil by a medium-sized cultivator or manually, wherein the harrowing depth is 12-20 cm;
(3) removing impurities: spraying a biological source preparation medicament to control weeds aiming at local dominant impurities;
(4) microenvironment configuration: ridging is carried out manually, wherein the height of each ridge is 10-15 cm, the width of each ridge is 15-25 cm, and the distance between every two ridges is 30-50 cm;
(5) seed selection: selecting local common grass seeds which are perennial grass seeds, annual grass seeds, rhizome type grass seeds and sparse cluster type grass seeds, and carrying out 2 or 3 combined mixed sowing;
(6) sowing: manually broadcasting the selected seeds to the bottom of a furrow formed after ridging, and manually covering soil for 1-2 cm after broadcasting is finished;
(7) and (5) enclosing and cultivating in a fence for 2-3 years.
2. The method for repairing vegetation in deteriorated grassland type of mouse as claimed in claim 1, wherein: in the step (1), the fertilizer is prepared by the following steps: phosphate fertilizer: the microbial agent =1:1: 20; the microbial agent is a fertilizer containing nitrogen-fixing bacteria and phosphate-removing bacteria.
3. The method for repairing deteriorated alpine meadow vegetation in a mouse wasteland type according to claim 1, characterized in that: and (4) enabling the direction of the ridges to be perpendicular to the wind direction.
4. The method for repairing deteriorated alpine meadow vegetation in a mouse wasteland type according to claim 1, characterized in that: the sowing time in the step (5) is the early stage of meadow green turning, namely the middle-upper ten days in May, and the sowing amount is generally 30 kg/ha-40 kg/ha of shawl weed, 35 kg/ha-40 kg/ha of rye and 160 kg/ha-200 kg/ha of oat.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112616578A (en) * | 2021-01-18 | 2021-04-09 | 中国科学院西北生态环境资源研究院 | Ecological restoration method for deteriorated grassland |
| CN113170704A (en) * | 2021-04-25 | 2021-07-27 | 中国农业科学院农业环境与可持续发展研究所 | Ecological restoration method for water erosion slope in alpine grassland |
| CN117322190A (en) * | 2023-12-01 | 2024-01-02 | 中国农业科学院草原研究所 | Method for repairing grassland local sand |
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