CN114009173A - Marble-based wetland hydro-fluctuation belt vegetation recovery method - Google Patents
Marble-based wetland hydro-fluctuation belt vegetation recovery method Download PDFInfo
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- CN114009173A CN114009173A CN202111286514.4A CN202111286514A CN114009173A CN 114009173 A CN114009173 A CN 114009173A CN 202111286514 A CN202111286514 A CN 202111286514A CN 114009173 A CN114009173 A CN 114009173A
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention relates to the technical field of ecological management, and provides a method for recovering vegetation in a wetland hydro-fluctuation belt based on a paliurus, which comprises the following steps: s1, excavating planting holes in the height from the revetment of the hydro-fluctuation belt to the revetment below the hydro-fluctuation belt to be 1-2.5 m, placing a double-layer net structure woven by straws on the inner wall of the planting holes in advance, and filling the double-layer net structure with the original planting soil of the seedlings of the paliurus ramosissimus; s2, transplanting the vest seedlings into the planting holes; and S3, when the water-withering period is reached and the soil humidity is 60-90%, sowing the flood-resistant herbaceous plant seeds below the waistcoat, wherein the sowing area accounts for 50-80% of the area of the water-falling zone. The vegetation planted in the hydro-fluctuation belt of the reservoir has good drought resistance and barren resistance, can adapt to water level change, and has good growth vigor, strong flooding resistance, extensive management and maintenance and strong sustainability; the method is simple, has good restoration effect, and has important social effect and application value for restoration and treatment of ecological environment.
Description
Technical Field
The invention relates to the technical field of ecological management, in particular to a method for recovering vegetation in a wetland hydro-fluctuation belt based on a paliurus.
Background
Although the economic technology, ecological environment, industrial development and historical background are different between China and abroad, the domestic and foreign concentration points for vegetation restoration of the hydro-fluctuation belt are almost the same. Researches on reservoir hydro-fluctuation belt vegetation recovery at home and abroad mainly focus on succession researches on the reservoir hydro-fluctuation belt vegetation, composition researches on the hydro-fluctuation belt vegetation, screening researches on suitable plants in the hydro-fluctuation belt, researches on vegetation recovery limiting factors in the hydro-fluctuation belt vegetation, researches on vegetation recovery modes in the hydro-fluctuation belt and the like. Most of the researches on hydro-fluctuation belts in recent years are mainly focused on the three gorges reservoir area, and a small part of hydro-fluctuation belts are researched in south China and the southwest area, and the researches mainly comprise the aspects of ecological environment problems of the hydro-fluctuation belts, vegetation recovery and ecological reconstruction, development, utilization and management of the hydro-fluctuation belts and the like, wherein the vegetation recovery and ecological reconstruction are the most important aspects.
Reservoir hydro-fluctuation belts have some common problems: the method comprises the following steps of (1) carrying out water flooding, water wave erosion and surface runoff all the year round, taking away a large amount of nutrient elements such as nitrogen and the like, wherein the water in the hydro-fluctuation belt is relatively arid, the soil is relatively poor, vegetation is difficult to survive and gradually withers, and the vegetation in most regions disappears; secondly, the water and soil loss is serious, and the geological disasters such as landslide, collapse, debris flow and the like often occur.
The method adopts pioneer species introduction technology and bioengineering measures for the diving degraded riparian zone of Anhui, Zhang Jianchun and the like, designs 2 riparian zone plant community structure optimization configuration modes of Yuanzhu-Chinese ash-sedge mode and Yiyang-purple amorpha-Chinese willow-sedge, and the recovered riparian zone ecological system has increased biological diversity and stability, and improved soil structure and nutrient conditions. Liu Xin an and the like can solve the problems of water and soil loss, water eutrophication and the like of the water-and-land zone by utilizing the vetiver grass and engineering comprehensive technology. Lechaxus et al performed simulation studies on the photosynthetic properties of seedlings of larch and pond fir under the condition of soil moisture change in the hydro-fluctuation zone of the three reservoir areas. The prior art has the defects of poor growth vigor of plants in the hydro-fluctuation belt, poor flooding resistance, poor biomass, difficult management and protection, poor sustainability and the like.
Disclosure of Invention
The invention aims to overcome at least one of the defects of the prior art and provides a wetland hydro-fluctuation belt vegetation recovery method based on the palisade, which is used for introducing the palisade according to the principle of being suitable for trees in place so as to fully exert the good ecological functions of water and soil conservation, water conservation and the like. The purpose of the invention is realized based on the following technical scheme:
the invention provides a method for recovering vegetation in a wetland hydro-fluctuation belt based on a paliurus, which comprises the following steps of:
s1, digging planting holes: placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance within a height of 1-2.5 m from the revetment of the hydro-fluctuation belt to the position below the revetment, and filling the original planting soil of the seedlings of the paliurus chinensis in the double-layer net structure;
s2, planting the waistcoat: transplanting the paliurus ramosissimus seedlings into the planting holes, gradually backfilling after fixing the seedlings, and watering rooting water to complete planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: and when the water is in a dry season and the soil humidity is 60-90%, sowing flooding-resistant herbaceous plant seeds in a water-falling zone below the waistcoat, wherein the sowing area accounts for 50-80% of the area of the water-falling zone.
Aiming at the problems of the hydro-fluctuation belt, the suitable plants in the hydro-fluctuation belt in south China need to have the properties of flooding resistance, drought resistance, wave erosion resistance and the like, and also have the capabilities of barren resistance and higher nutrient element utilization. The paliurus ramosissimus is also called paliurus ramosissimus, is perennial shrub, has strong adaptability, can grow in various soils, and can resist high temperature, severe cold, dryness, early season and waterlogging. The paliurus ramosissimus has excellent flooding resistance and has the ability of growing again after flooding and water withdrawal. The seedlings planted in the same year can grow to more than 1 meter, and can grow to 2-3 meters after 2-3 years, so that the permanent iron fence is formed; the thorns are many and dense, the spikes are densely distributed and overlapped, the anti-theft and anti-livestock effects are quite good, and the thorns are not dare to approach even birds. Therefore, the vest is suitable for the harsh habitat conditions of the water-level-fluctuating zone, has higher water and soil conservation capability and grows faster.
According to the method, firstly, according to the topographic characteristics of a hydro-fluctuation belt, waistcoats are planted at water-land junctions, partial trunks, branches and leaves can be exposed out of the water surface in a water-flooded period, the waistcoats can continue to grow, the hydrological erosion resistance is high, the growth and survival time of the waistcoats is greatly prolonged, the waistcoats can quickly recover to normal growth after water is removed, and dense and stable shrub communities can be formed at the water-land junctions after many years; the flooding-resistant herbaceous plants are applied to the hydrological area, and by utilizing the characteristics of strong water resistance and rapid propagation of the flooding-resistant herbaceous plants, after the plants are matured and bear fruits, the grown seeds can be used for covering the hydro-fluctuation belt again, and the cycle is repeated, so that the hydro-fluctuation belt can be covered rapidly, and the ground cover can be recovered; meanwhile, according to the seasonal characteristics of the hydro-fluctuation belt, the flooding-resistant herbaceous plants are planted in the hydro-fluctuation belt in the dry season when the soil humidity is 60-90%, the soil humidity is high, the environment is suitable, and the germination of the flooding-resistant herbaceous plant seeds and the rapid growth of roots and branches are facilitated.
The double-layer net structure woven by the straws is arranged on the inner wall of the planting hole, so that more water can be kept through the pore passages in the straws, and the soil can better absorb the water; the straws can provide nutrition for the planted waistcoat after being decomposed, and the staggered double-layer straws have more distributed spaces after being decomposed, so that gaps can be provided for the growth of root systems, the root systems can grow deep in the soil, and the soil fixation effect of the waistcoat is improved; in addition, the double-layer net structure is favorable for filling the original planting soil of the vest seedlings in the planting holes, the root systems are surrounded by the original planting soil, the original growing environment can be maintained as much as possible, and the seedling transplanting survival rate is improved.
Preferably, the step S2 is further followed by uniformly arranging nutrient soil on the surface to provide nutrients for the waistcoat and promote growth; then plant seeds are sown on the nutrient soil, the plant seeds form protection on the soil after growing, an excellent soil fixing effect is obtained by combining with the root system of the red waistcoat, and the problem of water and soil loss after transplanting is effectively avoided.
Preferably, the height of the seedlings of the paliurus ramosissimus in the step S2 is 25-60 cm, so that the seedlings are convenient to transplant and easy to survive. And the root system is kept from being damaged as much as possible in the digging and transporting processes, and the transplanting survival rate of the paliurus ramosissimus is ensured.
Preferably, the planting density of the waistcoat in the step S2 is as follows: the transverse spacing is 30-60 cm, and the longitudinal spacing is 30-120 cm.
Preferably, the flooding-resistant herbaceous plants in the step S2 include one or more of polygonum hydropiper, astragalus sinicus, vetiver and wild rice, have excellent flooding resistance, short growth period and rapid seed re-covering, and greatly improve the vegetation recovery efficiency.
Preferably, the planting mode of the flood-resistant herbaceous plant in the step S3 includes scattering and/or hole planting, and the herbaceous plant is soaked in clean water for 24-48 hours before being sowed, so that the sowed seeds can sprout as soon as possible, and the germination rate of the seeds is improved.
Preferably, the sowing distance of the flood-resistant herbaceous plant seeds in the step S3 is 2.5-6 cm
Preferably, the method further comprises the step S4: and after planting, carrying out water and fertilizer management on the waistcoat, and specifically supplementing a compound fertilizer around the waistcoat and/or supplementing water to the Chinese cypress, wherein the application amount of the compound fertilizer is 2-6 kg/mu.
Preferably, the method further comprises the step S5: and when the height of the seedlings is 1-1.5 m, horizontally trimming the growing points at the top of the paliurus ramosissimus at the early spring stage of each year to remove the height of 20-30 cm. After pruning, countless small waistcoat seedlings can be separated from the pocket part of the waistcoat, and after 1-2 years of forest establishment, branches and leaves are more luxuriant.
Preferably, in another aspect of the present invention, there is provided a malpighian-based wetland hydro-fluctuation belt vegetation obtained by any one of the restoration methods.
The invention can obtain at least one of the following beneficial effects:
1. according to the invention, the paliurus ramosissimus and the flood-resistant herbaceous plants are planted in a mixed manner, so that the ecological functions of keeping water and soil, conserving water sources and the like of the paliurus ramosissimus and the flood-resistant herbaceous plants are fully exerted; the method not only can meet the requirements of long-term water logging and long-term bare habitat growth of the reservoir hydro-fluctuation belt, but also has certain biomass, has certain protection effect on landscape ecology and water and soil loss of the reservoir hydro-fluctuation belt, and has obvious restoration effect on the hydro-fluctuation belt. Through double-deck network structure and pack the native planting soil of vest nursery stock in this structure, consolidate soil to the planting of vest, also improve the nursery stock and transplant the survival rate to through handling planting hole and soil around, avoided the problem of transplanting back soil loss, improved the root-pricking ability after the vest is transplanted, also provided more nutrition for the vest, improved the survival rate of vest.
2. According to the invention, the waistcoat is applied to the water-land junction according to the topographic characteristics of the hydro-fluctuation belt, has the advantages of flooding resistance, drought resistance, barren resistance and strong regeneration capacity, is planted along the revetment to form a stable shrub community, keeps the revetment water and soil and repairs vegetation; the flooding-resistant herbaceous plants are applied to the hydrological area and planted according to the seasonal characteristics of the hydro-fluctuation belt, have the characteristics of strong water resistance and rapid propagation, can quickly cover the hydro-fluctuation belt, keep the water and soil of the hydrological area and recover the ground cover; the combination of the two can quickly and efficiently recover the vegetation in the hydro-fluctuation belt, and the water and soil conservation effect is excellent.
3. The vegetation planted in the hydro-fluctuation belt of the reservoir has good drought resistance and barren resistance, can adapt to water level change, and has good growth vigor, strong flooding resistance, extensive management and maintenance and strong sustainability; the method is simple, has good restoration effect, and has important social effect and application value for restoration and treatment of ecological environment.
Drawings
FIG. 1 is a diagram of a vegetation restoration appearance of a wetland hydro-fluctuation belt based on a horse nail according to a preferred embodiment of the invention;
fig. 2 is a view of a portion of the mare's planting in accordance with a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following examples, the horizontal planting density of the paliurus refers to the planting pitch in the revetment direction, and the vertical planting pitch refers to the planting pitch in the direction perpendicular to the revetment. The ordinary water level is obtained after long-term observation of the water level, and 50% of the water level is equal to or exceeds the elevation value of the water level in one year or a plurality of years. The lowest water level refers to the average low water level of the pond falling zone in the near 5 years or the average low water level in the dry period. The double-layer net structure woven by the straws comprises a lower-layer net structure and an upper-layer net structure, wherein the lower-layer net structure is arranged along the inner wall of the planting hole, the upper-layer net structure is separated by native planting soil, and the two layers of net structures are connected by a plurality of straws in a woven mode.
Example 1
A method for recovering vegetation in wetland hydro-fluctuation belts based on malachite comprises the following steps:
s1, digging planting holes: digging a planting hole within 1m from the revetment of the hydro-fluctuation belt to the lower part, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, and filling the double-layer net structure with the original planting soil of the paliurus ramosissimus seedlings;
s2, planting the waistcoat: transplanting caragana sinica seedlings with the seedling height of 25-40 cm into the planting holes, wherein the planting density of the caragana sinica is 30cm in transverse direction and 30cm in longitudinal direction, gradually backfilling after the seedlings are fixed, uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil; watering root fixing water to complete the planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: when the water-withering period is reached and the soil humidity is 60-70%, seeds (the quantity ratio is about 2: 1) of polygonum hydropiper and astragalus sinicus are scattered in a hydro-fluctuation belt below the waistcoat, the seeds are soaked in clear water for 24 hours before sowing, the sowing distance is 2.5-6 cm, and the sowing area is about 80% of the area of the hydro-fluctuation belt.
Example 2
A method for recovering vegetation in wetland hydro-fluctuation belts based on malachite comprises the following steps:
s1, digging planting holes: digging a planting hole within 2.5m from the revetment of the hydro-fluctuation belt to the lower part, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, connecting the layers, and filling the double-layer net structure with the original planting soil of the paliurus ramosissimus seedlings;
s2, planting the waistcoat: transplanting the carapace seedling with the seedling height of 30-50 cm into a planting hole, wherein the planting density of the carapace is 40cm in transverse direction and 60cm in longitudinal direction, gradually backfilling after fixing the seedling, uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil; watering root fixing water to complete the planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: when the water-withering season is in the dry season and the soil humidity is 70-75%, seeds (the quantity ratio is about 1: 1: 1) of polygonum hydropiper, astragalus sinicus and anopheline mossambica are planted in the hydro-fluctuation belt below the waistcoat in a hole mode, the seeds are soaked in clear water for 48 hours before sowing, the sowing distance is about 3cm, and the sowing area is about 55% of the area of the hydro-fluctuation belt;
s4, performing water and fertilizer management on the waistcoat after planting, and specifically supplementing compound fertilizer and water around the waistcoat, wherein the application amount of the compound fertilizer is 3 kg/mu.
Example 3
A method for recovering vegetation in wetland hydro-fluctuation belts based on malachite comprises the following steps:
s1, digging planting holes: digging a planting hole within 1.5m from the revetment of the hydro-fluctuation belt to the lower part, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, and filling the double-layer net structure with the original planting soil of the paliurus ramosissimus seedlings;
s2, planting the waistcoat: transplanting caragana sinica seedlings with the seedling height of 25-50 cm into the planting holes, wherein the planting density of the caragana sinica is 40cm in transverse direction and 50cm in longitudinal direction, gradually backfilling after the seedlings are fixed, uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil; watering root fixing water to complete the planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: when the water is in a dry season and the soil humidity is 85-90%, seeds (the number ratio is about 1: 1: 1) of polygonum hydropiper, astragalus sinicus and anopheles hybrida are planted in the hydro-fluctuation belt under the waistcoat in a hole mode, the seeds are soaked in clear water for 30 hours before sowing, the sowing distance is about 5cm, and the sowing area is about 70% of the area of the hydro-fluctuation belt;
s4, performing water and fertilizer management on the waistcoat after planting, specifically supplementing compound fertilizer and water around the waistcoat, wherein the application amount of the compound fertilizer is 5 kg/mu;
s5, when the height of the seedlings is 1-1.5 m, horizontally trimming the top growing points of the paliurus ramosissimus at the early spring stage of each year to 20-25 cm.
Example 4
A method for recovering vegetation in wetland hydro-fluctuation belts based on malachite comprises the following steps:
s1, digging planting holes: digging a planting hole from the revetment of the hydro-fluctuation belt to the height of 2m below the revetment, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, and filling the double-layer net structure with the original planting soil of the paliurus ramosissimus seedlings;
s2, planting the waistcoat: transplanting caragana sinica seedlings with the seedling height of 25-60 cm into the planting holes, wherein the planting density of the caragana sinica is 50cm in transverse direction and 100cm in longitudinal direction, gradually backfilling after the seedlings are fixed, uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil; watering root fixing water to complete the planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: when the water is in a dry season and the soil humidity is 60-90%, scattering astragalus sinicus, phyllanthus strigosa and wild rice seeds (the quantity ratio is about 2: 2: 1) in a hydro-fluctuation belt below the waistcoat, soaking the seeds for 42 hours in clear water before sowing, wherein the sowing distance is 2.5-6 cm, and the sowing area is about 60% of the area of the hydro-fluctuation belt;
s4, performing water and fertilizer management on the waistcoat after planting, specifically supplementing compound fertilizer and water around the waistcoat, wherein the application amount of the compound fertilizer is 5.5 kg/mu;
s5, when the height of the seedlings is 1-1.5 m, horizontally trimming the top growing points of the paliurus ramosissimus at the early spring stage of each year to 25-30 cm.
Example 5
A method for recovering vegetation in wetland hydro-fluctuation belts based on malachite comprises the following steps:
s1, digging planting holes: digging a planting hole within 1.5m from the revetment of the hydro-fluctuation belt to the lower part, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, and filling the double-layer net structure with the original planting soil of the paliurus ramosissimus seedlings;
s2, planting the waistcoat: transplanting caragana sinica seedlings with the seedling height of 25-50 cm into the planting holes, wherein the planting density of the caragana sinica is 40cm in transverse direction and 80cm in longitudinal direction, gradually backfilling after the seedlings are fixed, uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil; watering root fixing water to complete the planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: when the water-withering period is reached and the soil humidity is 75-80%, seeds (the number ratio is about 1: 1: 1) of polygonum hydropiper, astragalus sinicus and anopheles hybrida are planted in the hydro-fluctuation belt under the waistcoat in a hole mode, the seeds are soaked in clear water for 30 hours before sowing, the sowing distance is about 4cm, and the sowing area occupies about 65% of the area of the hydro-fluctuation belt;
s4, performing water and fertilizer management on the waistcoat after planting, specifically supplementing compound fertilizer and/or moisture around the waistcoat, wherein the application amount of the compound fertilizer is 4 kg/mu;
s5, when the height of the seedlings is 1-1.5 m, horizontally trimming the top growing points of the paliurus ramosissimus at the early spring stage of each year to 20-30 cm.
The vegetation in the hydro-fluctuation zone of the wetland can be quickly recovered in the embodiments 1 to 5, the seeds grown from the flood-resistant herbaceous plants can cover the hydro-fluctuation zone again, the vegetation coverage rate after one hydro-fluctuation period is over 90 percent, and the paliurus can form a stable shrub community near the revetment; the vegetation of the invention can endure long-term flooding, and can quickly recover growth after water falls back.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A method for recovering vegetation in a wetland hydro-fluctuation belt based on malachite is characterized by comprising the following steps:
s1, digging planting holes: digging a planting hole from a revetment of the hydro-fluctuation belt to a height of 1-2.5 m below the revetment, placing a double-layer net structure woven by straws on the inner wall of the planting hole in advance, and filling the original planting soil of the paliurus seedlings in the double-layer net structure;
s2, planting the waistcoat: transplanting the paliurus ramosissimus seedlings into the planting holes, gradually backfilling after fixing the seedlings, and watering rooting water to complete planting of the paliurus ramosissimus;
s3, planting of the flooding-resistant herbaceous plants: and when the water is in a dry season and the soil humidity is 60-90%, sowing flooding-resistant herbaceous plant seeds in a water-falling zone below the waistcoat, wherein the sowing area accounts for 50-80% of the area of the water-falling zone.
2. The method for recovering vegetation in a strait zone of a marsh based on the malachite according to claim 1, wherein the step of backfilling the soil in step S2 is further comprised of uniformly arranging nutrient soil on the surface, and then sowing plant seeds on the nutrient soil.
3. The method for recovering vegetation in the wetland hydro-fluctuation belt based on the paliurus ramosissimus of claim 1, wherein the height of the seedlings of the paliurus ramosissimus in the step S2 is 25-60 cm.
4. The method for recovering vegetation in a wetland hydro-fluctuation belt based on the paliurus ramosissimus of claim 3, wherein the planting density of the paliurus ramosissimus in the step S2 is as follows: the transverse spacing is 30-60 cm, and the longitudinal spacing is 30-120 cm.
5. The method for recovering vegetation in a wetland hydro-fluctuation belt based on equine nails as claimed in claim 1, wherein said flooding-resistant herbaceous plants in step S3 comprise one or more of polygonum hydropiper, astragalus sinicus, vetch, wild rice.
6. The method for recovering vegetation in a wetland hydro-fluctuation belt based on malachite as claimed in claim 1, wherein the sowing manner of the flood-resistant herbaceous plant seeds in step S3 comprises spreading and/or hole planting, and the seeds are soaked in clear water for 24-48 h before sowing.
7. The method for recovering vegetation in a wetland hydro-fluctuation belt based on majia as claimed in claim 1, wherein the seeding pitch of the flood-resistant herbaceous plant seeds in step S3 is 2.5-6 cm.
8. The method for recovering vegetation in a wetland hydro-fluctuation belt based on a horse nail according to claim 1, further comprising the step of S4: and after planting, carrying out water and fertilizer management on the waistcoat, and specifically supplementing compound fertilizer and/or moisture around the waistcoat, wherein the application amount of the compound fertilizer is 2-6 kg/mu.
9. The method for recovering vegetation in a wetland hydro-fluctuation belt based on a horse nail according to claim 1, further comprising the step of S5: and when the height of the seedlings is 1-1.5 m, horizontally trimming the growing points at the top of the paliurus ramosissimus at the early spring stage of each year to remove the height of 20-30 cm.
10. A wetland hydro-fluctuation belt vegetation based on malachite, which is obtained by the restoration method according to any one of claims 1 to 9.
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| CN116897754A (en) * | 2023-07-11 | 2023-10-20 | 中国电建集团重庆工程有限公司 | Vegetation restoration method for hydro-fluctuation belt based on flower thinning water cypress branches |
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