CN110771435A - Method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants - Google Patents
Method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants Download PDFInfo
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- CN110771435A CN110771435A CN201910937901.6A CN201910937901A CN110771435A CN 110771435 A CN110771435 A CN 110771435A CN 201910937901 A CN201910937901 A CN 201910937901A CN 110771435 A CN110771435 A CN 110771435A
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- row spacing
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- verbena
- silvegrass
- perennial
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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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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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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 phytoremediation of river and lake bank vegetation, and provides a method for restoring moisture soil type vegetation by planting perennial wetland plants in a mixed manner, which comprises the following steps: step one, selecting perennial plants which grow in spring, summer and autumn and have developed water-moisture resistant root systems and rhizome systems according to the current situation of vegetation on the banks of rivers and lakes in the middle and lower reaches of Yangtze river; and step two, planting corresponding perennial plants according to different slopes of the location, and reserving the original various plants and the number thereof. The wetland plants have developed root systems, rhizome systems and huge surfaces, not only wrap and fix sand and soil on the banks of rivers and lakes from the surface layer to the deep layer, but also absorb and fix water pollutants, and the purposes of restoring vegetation on the banks of rivers and lakes and water pollution by the wetland plants are achieved.
Description
Technical Field
The invention belongs to the technical field of phytoremediation of river and lake bank vegetation, and particularly relates to a method for phytoremediation of moisture-soil type vegetation by planting perennial wetlands in a mixed manner.
Background
In recent years, with the rapid population increase and the development of industrial and agricultural production, wetland ecosystems including river and lake banks are seriously degraded due to the interference of human activities, and therefore, the restoration of degraded ecosystems and the restoration of ecology become hot spots in the field of international ecological research. The vegetation of the river and lake banks in the middle and lower reaches of the Yangtze river is artificially destroyed, the original hydrological conditions are changed by building the three gorges dam, and the wetland plants to be planted repair and destroy the vegetation, so that the aim of stabilizing the river banks is fulfilled.
Disclosure of Invention
Aiming at the situation, the invention provides a method for restoring moisture and soil type vegetation by mixed planting of perennial wetland plants, which adopts the method of reserving various original plants and the quantity thereof on the bank of rivers and lakes, intensively cultivating perennial plants which grow in spring, summer and autumn and have water and moisture resistance and developed root systems and rhizome systems, effectively controlling and treating water and soil loss and bank collapse, stabilizing the bank of rivers and lakes and absorbing and fixing water pollutants.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a method for restoring moisture soil type vegetation by planting perennial wetland plants in a mixed mode is characterized by comprising the following steps:
step one, selecting perennial plants which grow in all seasons and have developed water and moisture resistant root systems and rhizome systems according to the current situation of tidal soil type river and lake bank vegetation;
and step two, planting corresponding perennial plants according to different slopes of the location, and reserving the original various plants and the number thereof.
Preferably, when the gradient in the second step is in the range of 0-8 degrees, the row spacing of the plants among bermudagrass, paspalum distichum, verbena compressa, verbena officinalis and silvegrass or among the bermudagrass and the verbena officinalis is 10-20 cm, wherein the row spacing of the silvegrass plants is 30-40 cm.
Preferably, when the gradient in the second step is in the range of 8-25 degrees, the row spacing of the plants among bermudagrass, paspalum distichum, verbena compressa, verbena officinalis, phalaris arundinacea, artemisia mud, triarrhena yedoensis, baeckea frutescens, reed and arundo donax or the plants among the arundo donax and the arundo donax are 5-15 cm, wherein the row spacing of the triarrhena yedoensis is 25-35 cm, and the row spacing of the baeckea officinarum, the reed and the arundo donax is 25-40 cm.
Preferably, when the gradient in the second step is in the range of 25-35 degrees, the row spacing of the plants among bermudagrass, paspalum distichum, verbena compressa, verbena officinalis, phalaris arundinacea, artemisia mud, triarrhena yedoensis, baeckea frutescens, reed and arundo donax or the plants among the arundo donax and the arundo donax is 5-15 cm, wherein the row spacing of the triarrhena yedoensis plants is 20-30 cm, and the row spacing of the baeckea officinarum, the reed and the arundo donax is 20-35 cm.
Preferably, when the gradient in the second step is in the range of 35-40 degrees, the row spacing of the plants among bermudagrass, paspalum distichum, verbena compressa, verbena officinalis, phalaris arundinacea, artemisia mud, triarrhena yedoensis, baeckea frutescens, reed and arundo donax or the plants among the arundo donax and the arundo donax are 5-10 cm, wherein the row spacing of the triarrhena yedoensis plants is 15-25 cm, and the row spacing of the baeckea officinarum, the reed and the arundo donax is 15-30 cm.
Preferably, when the gradient in the second step is in the range of 40-90 degrees, planting row spacing between bermuda grass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea, silvegrass, baeckea frutescens, reed and arundo or between the bermuda and the arundo is 5-15 cm by combining with the engineering concrete grid, wherein the row spacing between the silvegrass arundinacea is 15-35 cm, and the row spacing between the baeckea frutescens, the reed and the arundo is 20-40 cm.
The invention has the following beneficial effects:
the invention utilizes the developed root system and rhizome system of the perennial wetland plants to effectively control and manage water and soil loss, stabilize the river and lake bank zone and absorb and fix water body pollutants.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.
The specific embodiment of the invention is as follows:
example 1
The address is selected from the river and lake bank in the middle and lower reaches of Yangtze river in Jingzhou, and the original various plants and the number of the plants on the river and lake bank are reserved.
In the dry period of early spring weed germination, different perennial plants are planted according to the slope of each region, flat ground with the slope of 0 degree is planted with bermudagrass, paspalum distichum, verbena compressa and the mixed colony of the verbena is planted with the row spacing of 20 cm and the row spacing of the silvergrass is 40 cm.
When the slope is 8 degrees, planting bermudagrass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea and artemisia sphaerocephala mixed community row spacing is 15 cm, silvegrass row spacing is 35 cm, baeckea frutescens, reed and arundo donax row spacing is 40 cm.
When the slope is 25 degrees, planting bermudagrass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea and artemisia sphaerocephala mixed community row spacing is 15 cm, triarrhena sacchariflora row spacing is 30 cm, baeckea frutescens, reed and arundo donax row spacing is 35 cm.
When the slope is 35 degrees, the row spacing of mixed communities of bermuda grass, paspalum distichum, verbena compressa, phalaris arundinacea and artemisia selengensis is 10 cm, the row spacing of triarrhena sacchariflora is 25 cm, and the row spacing of baeckia frutescens, reed and arundo donax is 30 cm.
When the gradient is 40 degrees, planting bermuda grass, paspalum distichum, verbena compressa, verbena and phalaris arundinacea mixed community row spacing is 15 cm, triarrhena sacchariflora row spacing is 35 cm, baeckea frutescens, reed and arundo donax row spacing is 40 cm by combining with an engineering concrete grid.
Example 2
The address is selected from the middle and lower river banks of Han river, and the original plants and the number of the plants on the edge of the river bank are reserved.
Planting different perennial plants according to the slope of each area, planting bermudagrass, paspalum distichum, verbena compressa and the mixed colony of the verbena is 10 cm in row spacing and the triarrhena sacchariflora is 30 cm in row spacing in a gentle land with the slope of 8 degrees.
When the slope is 25 degrees, planting bermudagrass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea and artemisia sphaerocephala mixed community row spacing is 5 cm, triarrhena sacchariflora row spacing is 25 cm, baeckea frutescens, reed and arundo donax row spacing is 25 cm.
When the slope is 35 degrees, the row spacing of mixed communities of bermuda grass, paspalum distichum, verbena compressa, phalaris arundinacea and artemisia selengensis is 5 cm, the row spacing of triarrhena sacchariflora is 20 cm, and the row spacing of baeckia frutescens, reed and arundo donax is 20 cm.
When the slope is 40 degrees, planting bermudagrass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea and artemisia sphaerocephala mixed community row spacing is 5 cm, silvegrass row spacing is 15 cm, baeckea frutescens, reed and arundo donax row spacing is 15 cm.
When the gradient is 40 degrees, planting bermuda grass, paspalum distichum, verbena compressa, verbena and phalaris arundinacea mixed community row spacing is 5 cm, the triarrhena arundinacea row spacing is 15 cm, and the baeckea alpina, reed and arundo arundinacea row spacing is 20 cm by combining with the engineering concrete grids.
Example 3
The address is selected from the bank of the river and lake at the middle and lower reaches of the yellow river, and the original various plants and the number of the plants on the bank of the river and lake are reserved.
Planting different perennial plants according to the slope of each area, planting bermudagrass, paspalum distichum, verbena compressa and the mixed colony of the verbena is 15 cm in row spacing and the silvegrass is 35 cm in row spacing in a gentle land with the slope of 4 degrees.
When the slope is 16 degrees, the row spacing of mixed communities of bermuda grass, paspalum distichum, verbena compressa, phalaris arundinacea and artemisia selengensis is 10 cm, the row spacing of triarrhena sacchariflora is 30 cm, and the row spacing of baeckia frutescens, reed and arundo donax is 32 cm.
When the slope is 30 degrees, the row spacing of mixed communities of bermuda grass, paspalum distichum, verbena compressa, phalaris arundinacea and artemisia selengensis is 10 cm, the row spacing of triarrhena sacchariflora is 25 cm, and the row spacing of baeckia frutescens, reed and arundo donax is 27 cm.
When the slope is 37 degrees, planting bermudagrass, paspalum distichum, verbena compressa, verbena, phalaris arundinacea and artemisia sphaerocephala mixed community row spacing is 7 cm, silvegrass row spacing is 20 cm, baeckea frutescens, reed and arundo donax row spacing is 22 cm.
When the gradient is 40 degrees, planting bermuda grass, paspalum distichum, verbena compressa, verbena and phalaris arundinacea mixed community row spacing is 10 cm, triarrhena sacchariflora row spacing is 25 cm, baeckea frutescens, reed and arundo donax row spacing is 30 cm by combining with an engineering concrete grid.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A method for restoring moisture soil type vegetation by planting perennial wetland plants in a mixed mode is characterized by comprising the following steps:
step one, selecting perennial plants which grow in all seasons and have developed water and moisture resistant root systems and rhizome systems according to the current situation of tidal soil type river and lake bank vegetation;
and step two, planting corresponding perennial plants according to different slopes of the location, and reserving the original various plants and the number thereof.
2. The method for mixed planting of perennial wetland vegetation to restore moisture and soil type vegetation according to claim 1, wherein when the slope in step two is in the range of 0 ° to 8 °, the row spacing of the plants planted among bermudagrass, paspalum distichum, verbena compressa, verbena officinalis and silvegrass or among each other is 10 to 20 cm, wherein the silvegrass row spacing is 30 to 40 cm.
3. The method for restoring moisture-soil type vegetation by mixed planting of perennial wetland plants according to claim 1, wherein in step two, when the slope is in the range of 8 ° to 25 °, the row spacing between bermuda grass, paspalum distichum, verbena compressa, phalium phalaris, artemisia phalaris, silvegrass, baptisia formosana, reed, arundo donax or between each other is 5 to 15 cm, wherein the row spacing between the silvegrass is 25 to 35 cm, and the row spacing between the baptisia formosana, reed and arundo donax is 25 to 40 cm.
4. The method for restoring moisture-soil type vegetation by mixed planting of perennial wetland plants according to claim 1, wherein in step two, when the slope is in the range of 25 ° to 35 °, the row spacing between bermuda grass, paspalum distichum, verbena compressa, phalium phalaris, artemisia phalaris, silvegrass, baptisia formosana, reed, arundo donax or between each other is 5 to 15 cm, wherein the row spacing between the silvegrass is 20 to 30 cm, and the row spacing between the baptisia formosana, reed and arundo donax is 20 to 35 cm.
5. The method for restoring moisture-soil type vegetation by mixed planting of perennial wetland plants according to claim 1, wherein in step two, when the slope is in the range of 35 ° to 40 °, the row spacing between bermuda grass, paspalum distichum, verbena compressa, phalium phalaris, artemisia phalaris, silvegrass, baptisia formosana, reed, arundo donax or between each other is 5 to 10 cm, wherein the row spacing between the silvegrass is 15 to 25 cm, and the row spacing between the baptisia formosana, reed and arundo donax linn is 15 to 30 cm.
6. The method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants according to claim 1, wherein in step two, when the slope is in the range of 40 ° to 90 °, the row spacing between the bermuda grass, paspalum distichum, verbena compressa, verbena officinalis, phalaris arundinacea, silvegrass, baeckea frutescens, reed, arundo donax or the planting rows among each other is 5-15 cm in combination with the engineering concrete grid, wherein the silvegrass polygama row spacing is 15-35 cm, and the baeckea frutescens, reed, arundo donax row spacing is 20-40 cm.
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| CN201910937901.6A CN110771435A (en) | 2019-09-29 | 2019-09-29 | Method for restoring moisture soil type vegetation by mixed planting of perennial wetland plants |
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