CN107135922B - Submerged plant planting matrix - Google Patents
Submerged plant planting matrix Download PDFInfo
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- CN107135922B CN107135922B CN201710345351.XA CN201710345351A CN107135922B CN 107135922 B CN107135922 B CN 107135922B CN 201710345351 A CN201710345351 A CN 201710345351A CN 107135922 B CN107135922 B CN 107135922B
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- submerged plant
- steel slag
- raw soil
- plant planting
- submerged
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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
- A01G33/00—Cultivation of seaweed or algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Marine Sciences & Fisheries (AREA)
- Environmental Sciences (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Cultivation Of Seaweed (AREA)
Abstract
The invention belongs to the technical field of water eutrophication restoration, and particularly relates to a planting matrix which is beneficial to planting submerged plants and has a restoration effect on water environment. Raw soil, steel slag and rice hulls are mixed according to the weight ratio of (0.6-1.8): (0.6-1.8): (4-8) in a certain proportion. Also comprises ceramsite and reed stems; the weight ratio of the reed stalks to the raw soil is (0.8-1.2) to 1; the weight ratio of the ceramsite to the raw soil is (0.6-0.8): 1. The submerged plant planting matrix is suitable for propagules such as seedlings, buds and seeds of submerged plants. Greatly improves the survival rate of the submerged plants, and is particularly beneficial to the growth of the eyedrops and the hydrilla verticillata.
Description
Technical Field
The invention belongs to the technical field of water eutrophication restoration, and particularly relates to a planting matrix which is beneficial to planting submerged plants and has a restoration effect on water environment.
Background
With the development of industry and the increase of urbanization level in recent years, a large amount of pollutants such as nitrogen, phosphorus and the like are discharged into a water environment. The eutrophication of water body is highly regarded by the nation. Restoring and rebuilding a water ecosystem is one of the main contents of water eutrophication restoration. In the prior art, aquatic plants are adopted to repair and improve water bodies, and the water body eutrophication repair technology is more and more widely applied. However, how to make the aquatic plants grow well in the eutrophic water body and play a role in water body restoration is still a problem at present.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a planting matrix which is beneficial to planting submerged plants and has a repairing effect on water environment.
The invention is realized by the following technical scheme:
a submerged plant planting matrix is prepared from raw soil, steel slag and rice hulls according to a weight ratio of (0.6-1.8): (0.6-1.8): (4-8) in a certain proportion.
A submerged plant planting substrate, which also comprises ceramsite and reed stems; the weight ratio of the reed stalks to the raw soil is (0.8-1.2) to 1; the weight ratio of the ceramsite to the raw soil is (0.6-0.8): 1.
The raw soil is dug from the deep layer of the original bare land, is not developed and utilized at all, and does not contain plant roots and humus.
The diameter of the ceramsite is less than 1 cm.
The reed rod is formed by cutting a vascular bundle of mature reeds into a cylindrical shape with the height of 4-8 cm by a knife switch.
The diameter of the steel slag is less than 1 cm.
Preferably, the soil is prepared by mixing raw soil, steel slag and rice husk according to the weight ratio of 1:1: 4.
Compared with the prior art, the invention has the following beneficial effects:
1. the removal rate of the rice hulls to the total nitrogen can reach 60 percent, the removal rate of the steel slag to the total nitrogen is only 40 percent, and the rice hulls make up for the deficiency of the steel slag to the removal of the total nitrogen; the steel slag can play a role in regulating gravity, the removal rate of ammonia nitrogen in water by the steel slag reaches 95%, and meanwhile, the steel slag can also remove part of chromium.
2. The rice hulls and steel slag have high removal rate of ammonia nitrogen and total phosphorus in water, and the removal rate of the rice hulls to ss is far more than 90%; meanwhile, the rice hulls belong to porous plant fibers, so that the root systems of the submerged plants have a better morphological development space in the porous plant fibers. In addition, the area of the biological membrane is enlarged by the porous plant fiber, and a large amount of nitrogen and phosphorus in the water body can be absorbed for the submerged plant to grow better. Not only has the function of water body restoration, but also has the function of fixation. Meanwhile, the rice hulls also contain certain nutrients.
3. The raw soil can bond the rice hulls and the steel slag to form a planting matrix with a stable structure underwater, and provides nutrition for the initial development of submerged plant roots;
4. the submerged plant planting substrate replaces the traditional soil planting. The rice husk and reed straw are added to the substrate in order to provide sufficient carbon source for the submerged plants. Meanwhile, the problem that the clay matrix with rich nutrition is used independently in the traditional submerged plant planting method and is easy to separate underwater structures is solved, and the planting matrix can provide a reliable growing environment for submerged plants.
5. The submerged plant planting matrix is suitable for propagules such as seedlings, buds and seeds of submerged plants. Greatly improves the survival rate of the submerged plants, and is particularly beneficial to the growth of the eyedrops and the hydrilla verticillata.
Detailed Description
The present invention is further illustrated by the following examples, but the scope of the present invention is not limited by the examples.
Example 1
A submerged plant planting matrix is formed by mixing raw soil, steel slag and rice hulls according to a weight ratio of 0.6:0.6: 4. The raw soil is dug from the deep layer of the original bare land, is not developed and utilized at all, and does not contain plant roots and humus. The diameter of the steel slag is less than 1 cm.
Example 2
A submerged plant planting matrix is formed by mixing raw soil, steel slag and rice hulls according to a weight ratio of 1.8:1.8: 8. The rest is the same as example 1.
Example 3
A submerged plant planting matrix is formed by mixing raw soil, steel slag and rice hulls according to a weight ratio of 1.2:1.2: 6. The rest is the same as example 1.
Example 4
A submerged plant planting matrix is formed by mixing raw soil, steel slag and rice hulls according to a weight ratio of 1:1: 4. The rest is the same as example 1.
By adopting the technical scheme of the embodiment 1-4, the root system of the submerged plant has better development space in the porous plant fiber. In addition, the area of the biological membrane is enlarged by the porous plant fiber, and a large amount of nitrogen and phosphorus in the water body can be absorbed for the submerged plant to grow better. Not only has the function of water body restoration, but also has the function of fixation. Meanwhile, the rice hulls also contain certain nutrients. The steel slag with a certain proportion can adjust the gravity, the removal rate of the ammonia nitrogen in the water by the steel slag reaches 95%, and part of chromium can be removed. The raw soil can bond the rice hulls and the steel slag to form a planting matrix with a stable structure underwater, and provides nutrition for the initial development of submerged plant roots.
Example 5
A submerged plant planting matrix is prepared from raw soil, steel slag, rice hulls, reed stems and ceramsite by weight: 0.6:0.6:4:0.48: 0.36.
The raw soil is dug from the deep layer of the original bare land, is not developed and utilized at all, and does not contain plant roots and humus.
The diameter of the ceramsite is less than 1 cm.
The reed pole is formed by cutting a vascular bundle of mature reeds into a cylindrical shape with the height of 4cm by a guillotine.
The diameter of the steel slag is less than 1 cm.
Example 6
A submerged plant planting matrix is prepared from raw soil, steel slag, rice hulls, reed stems and ceramsite by weight: 1.8:1.8:8:2.16: 1.44. The reed pole is formed by cutting a vascular bundle of mature reeds into a cylindrical shape with the height of 8cm by a guillotine.
The rest is the same as example 5.
Example 7
A submerged plant planting matrix is prepared from raw soil, steel slag, rice hulls, reed stems and ceramsite by weight: 1.2:1.2:6:1.2: 0.84.
The reed rod is formed by cutting a vascular bundle of mature reeds into a cylindrical shape with the height of 6cm by a guillotine.
The rest is the same as example 5.
Example 8
A submerged plant planting matrix is prepared from raw soil, steel slag, rice hulls, reed stems and ceramsite by weight: 1:0.6:5:1: 0.7.
The reed rod is formed by cutting a vascular bundle of mature reeds into a cylinder with the height of 6.4cm by a guillotine.
The rest is the same as example 5.
Claims (5)
1. The submerged plant planting matrix is characterized by comprising raw soil, steel slag, rice hulls, reed rods and ceramsite in a weight ratio: 0.6:0.6:4:0.48:0.36 or 1.2:1.2:6:1.2:0.84 or 1.8:1.8:8:2.16: 1.44.
2. The submerged plant growing medium of claim 1, wherein the raw soil is soil excavated from the deep layer of the primary open land, which has not been developed and used and does not contain plant roots and humus.
3. The submerged plant planting substrate according to claim 1, wherein the diameter of the ceramsite is less than 1 cm.
4. The submerged plant planting substrate according to claim 1, wherein the reed stalks are formed by cutting bundles of mature reeds into cylinders with a height of 4-8 cm by a guillotine.
5. The submerged plant planting substrate according to claim 1, wherein the steel slag has a diameter of < 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345351.XA CN107135922B (en) | 2017-05-17 | 2017-05-17 | Submerged plant planting matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345351.XA CN107135922B (en) | 2017-05-17 | 2017-05-17 | Submerged plant planting matrix |
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| Publication Number | Publication Date |
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| CN107135922A CN107135922A (en) | 2017-09-08 |
| CN107135922B true CN107135922B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710345351.XA Active CN107135922B (en) | 2017-05-17 | 2017-05-17 | Submerged plant planting matrix |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109247204A (en) * | 2018-09-04 | 2019-01-22 | 武汉秀水生态工程有限公司 | A kind of method of submerged plant rapid field planting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202881048U (en) * | 2012-09-28 | 2013-04-17 | 中国科学院烟台海岸带研究所 | Multi-medium constructed wetland water treatment system |
| CN104944593B (en) * | 2015-07-15 | 2016-11-09 | 广东东篱环境股份有限公司 | Submerged plant planting matrix and utilize submerged plant repair eutrophic water body device |
| CN106517365A (en) * | 2015-09-14 | 2017-03-22 | 袁振 | Water body eutrophication prevention and treatment floating particles prepared from agricultural and forestry wastes |
| CN206089200U (en) * | 2016-06-29 | 2017-04-12 | 环境保护部南京环境科学研究所 | Farmland benthophyte ecological ditch canal |
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