CN111213520A - Ecological engineering product and preparation method and application thereof - Google Patents
Ecological engineering product and preparation method and application thereof Download PDFInfo
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- CN111213520A CN111213520A CN202010105877.2A CN202010105877A CN111213520A CN 111213520 A CN111213520 A CN 111213520A CN 202010105877 A CN202010105877 A CN 202010105877A CN 111213520 A CN111213520 A CN 111213520A
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0291—Planting receptacles specially adapted for remaining in the soil after 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
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Abstract
The invention discloses an ecological engineering product and a preparation method and application thereof, and the ecological engineering product is a degradable ecological engineering product which is prepared by utilizing cement, stones, sand, plant fibers, humus, a microbial strain enveloped body and a plant nutrient substance enveloped body and is used for coast permanent planting mangrove forest with strong wave flow dynamics. The functional microorganism bacillus amyloliquefaciens in the engineering product promotes the mangrove seedling to rapidly extend roots and inhibit plant pathogenic bacteria, and meanwhile, plant fibers are decomposed in the ecological engineering product; adjusting the pH value of the raw material by humus; the film-coated plant nutrient element substances continuously provide nutrient substances such as nitrogen, phosphorus, potassium and the like; the plant fiber is beneficial to the degradation of ecological engineering products after the mangrove plants are planted. The engineering product creates a stable living environment for the seedling germination and early growth of the mangrove plant, and promotes the rooting and planting of the mangrove plant. Experiments show that the engineering product is beneficial to early planting of mangrove plants in the coast with strong wave flow dynamics, and the survival rate of the plant seedlings is improved by 10-15 times.
Description
Technical Field
The invention belongs to the technical field of vegetation restoration ecology and engineering materials, and particularly relates to an ecological engineering product and a preparation method and application thereof.
Background
The mangrove forest is a vegetation community growing in tropical and subtropical intertidal zones, has good salt tolerance, plays a great role in eliminating waves, promoting silt, purifying sewage, resisting typhoon and the like, provides habitation sites for coastal organisms to live on, and maintains ecological balance of the coastal zones.
Since the 70-80 th century in the 20 th century, the mangrove forest area worldwide has sharply decreased due to the influence of various factors such as beach reclamation, aquaculture activities and the like caused by the population growth in coastal areas, and 20% of the mangrove forest worldwide has disappeared during the 1980-2005 period, which is reported by the statistics of grain and agriculture organizations in the united nations. In recent decades, people have recognized the necessity of restoring the ecosystem of mangrove and actively pursued technical measures for restoring mangrove.
The mangrove plant growth conditions are very harsh. Taking avicennia marina seedlings as an example, weak wave flow dynamic conditions are needed during seedling raising, seawater infiltration is needed, mangrove forest mostly grows in the tidal zone, periodic seawater scouring cannot be avoided, the mangrove forest is easy to take away by seawater scouring when the seeds are not rooted, and the sapiens forest cannot be rooted and planted even germinates, so that the sapiens forest is basically infeasible to be planted with the seeds directly in the coastal zone. The mangrove plant has no forestation stage, the capability of resisting larger storm is very weak, and the stronger storm surge can pull up the mangrove plant which grows for 5 years on the beach with root. Therefore, the rapid mangrove plant afforestation technology is very important for mangrove forest repair in coastal areas.
The propagules of the existing mangrove planting technology are seeds or young seedlings, the method for cultivating mangrove plants is the same as that of conventional green seedling raising, the nursery garden is used for seed germination, then the mangrove seedlings are transplanted to the beach, in the process, the root systems of the seedlings are damaged, the stress resistance of the mangrove plants is seriously weakened, and the growth speed of the mangrove plants is reduced; compared with a nursery environment, the beach environment is quite severe, and a large amount of seedling plants can be lost when transplanted mangrove seedlings adapt to the beach environment. The process of artificial seedling raising and transplanting is complicated, the survival rate of seedlings in the transplanting process is low, and the working efficiency of large-area mangrove forest restoration is seriously hindered.
At the present stage, particularly, landscape engineering areas are involved, in order to improve the survival rate of mangrove plants, measures such as embedding a steel plate in front of the seedlings, constructing a dike and the like are adopted to protect the seedlings from being impacted by waves and tides, the cost of the engineering measures is high, secondary construction is required in the later stage in consideration of the growth limitation and landscape requirements of the mangrove plants, and the landscape environments are damaged.
Disclosure of Invention
The purpose is as follows: in order to solve the defects of the prior art, the invention provides an ecological engineering product, a preparation method and application thereof, which are used for planting mangrove plants under the condition of strong wave flow power coast, the germination and growth rate of the mangrove plants are improved by adjusting the pH value of cement through humus, the growth of the plants is promoted through microorganisms, the strength and the degradability of the mangrove seedlings are considered, the impact of waves on the mangrove seedlings is reduced through the shape of a module, and the planting and planting efficiency of the mangrove forest is effectively improved.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the ecological engineering product is degradable, and the raw materials comprise cement, stones, sand, plant fibers, humus, a microbial strain coating body and a plant nutrient substance coating body, wherein the contents of the microbial strain coating body, the humus, the plant nutrient substance coating body and the plant fibers are respectively 0.5-1%, 1-2%, 2-3% and 3-8%, and the percentages are mass percentages;
the ecological engineering product is provided with an accommodating cavity for fixing and planting seedlings and mature seedlings of mangrove plants;
the shape of the ecological engineering product is a linear type with wave-reducing kinetic energy.
In some embodiments, the cross-section of the bioengineered article is streamlined to attenuate wave impact energy; can resist the waves with the water flow velocity of 2m/s and the effective wave height of 2 m. The method for reducing wave energy depends on the raw material composition and the shape thereof, the current situation of wave flow power is investigated in advance aiming at the specific use area of the engineering product, and the engineering product can reduce the impact of waves on the pile foundation formed by the engineering product and the mangrove plants fixedly planted on the pile foundation.
In some embodiments, the water content of the bacterial powder in the enveloped body of the microbial strain is not higher than 10%, the water-soluble state of the resin and the bacterial powder are in a ratio of 1: spraying and coating the film at the mass ratio of 0.2-0.5;
further, the strain adopts Bacillus amyloliquefaciens IAEBacillus amyloliquefaciensIAE, the preservation number of the strain is CCTCC NO: m2013086, which is preserved in China center for type culture Collection in 2013, 3, 15 and 3 months, wherein the preservation address is Wuhan city Wuchang Lojia mountain.
In some embodiments, the plant nutrient material capsule has a water content of no more than 10% and the water-soluble resin and plant nutrient material are present in a ratio of 1: and (3) carrying out guniting coating at the mass ratio of 1-3.
In some embodiments, the plant fiber is selected according to the wave current power condition of the application scene, and plant straws, branches, bamboos and the like can be adopted.
In some embodiments, the containing cavity of the ecological engineering product is arranged in a vertical direction, the top of the containing cavity is communicated with the outside, and the bottom of the containing cavity is communicated with the outside through one or more drainage holes.
In some embodiments, the middle part and the upper part of the containing cavity of the ecological engineering product are smaller, and the lower part of the containing cavity is larger, so that a plant root growing space is provided.
In a second aspect, a method for preparing the ecological engineering product is provided, which comprises:
step a, uniformly mixing cement, stones and sand according to a water-cement ratio of 0.25-0.40;
b, sequentially putting plant fibers, humus, a microbial strain envelope body and a plant nutrient substance envelope body into the substance formed in the step a, and uniformly stirring;
c, filling the mixture formed in the step b into a mold, filling the mixture into the mold twice, wherein the first filling modulus is 50-60%, then placing the mold on a horizontal vibration table for compacting for about 5-10 min, the second filling modulus is 30-40%, then placing the mold on the horizontal vibration table for vibration until water slightly seeps out of the cement surface, and at the moment, immediately stopping vibration;
d, placing the product formed in the step c in an environment with the temperature of 20 +/-5 ℃ and the humidity of more than 30% for curing for 36-72 hours;
and e, taking out the product cured in the step d from the mold, and continuously curing for 20-30 d in the same environment as that in the step d to obtain the ecological engineering product.
According to the preparation method of the ecological engineering product, the pH value of the raw material mixture is adjusted through humus, and the pH value is 5-10.
And in the third aspect, the application of the ecological engineering product in planting mangrove forest on the coast with strong wave flow dynamics is provided, mangrove plant seedlings or mature seedlings are fixed and planted in the ecological engineering product to form an ecological engineering product and a plant complex, and the complex is placed on the upper layer of the sediment or is buried in the sediment to realize the planting of mangrove plants.
After the mangrove plants are planted, the ecological engineering products are gradually decomposed (the 3-year degradation rate is 30-50% in a strong wave dynamic area), the growth of the mangrove plants is not limited, and the coastline environment is not damaged.
Has the advantages that: the ecological engineering product and the preparation method and the application thereof provided by the invention have the following advantages: a degradable mangrove plant field planting engineering product is prepared by utilizing microorganisms, humus, plant nutrient substances, plant fibers, cement, sand and stones. Compared with other engineering products for cultivating and planting mangrove plants, the method has the following advantages:
(1) at present, no product with similar functions to the ecological engineering product exists in engineering practice.
(2) The product is neutralized by humic substances and alkaline substances in cement, so that the pH value of the cement is reduced, a natural mangrove forest habitat is created, and the germination rate of mangrove plant seeds and the seedling root stretching capacity are improved.
(3) Based on the plant fiber coarse aggregate product, the early strength can effectively resist wave and tidal scouring, the mangrove plant can be naturally decomposed after field planting, and the mud flat habitat is not polluted and damaged.
(4) The product is added with microbial strains which are derived from natural habitat and non-chemical additives, and the generated auxin and antibiotics promote the growth of mangrove plants, inhibit pathogenic bacteria and obviously improve the survival rate of the mangrove plants; the microbial strain can decompose plant fiber from the interior of the ecological engineering product, is beneficial to the later decomposition of the ecological engineering product, and can not limit the growth of mangrove plants.
(5) The slow release effect of the plant nutrient substance inclusion body provides stable nutrition for mangrove seedlings, and meanwhile, the seaweed water environment is not polluted.
(6) The invention can realize the plant seed germination and the root-extending field planting of the plant seedlings of the coast mangrove forest with strong wave flow power, can carry out one-time construction, and improves the survival rate of the seedlings and the recovery efficiency of the mangrove forest on the beach.
The functional microorganism bacillus amyloliquefaciens in the engineering product promotes the mangrove seedling to rapidly extend roots and inhibit plant pathogenic bacteria, and meanwhile, plant fibers are decomposed in the ecological engineering product; adjusting the pH value of the raw material by humus; the film-coated plant nutrient element substances continuously provide nutrient substances such as nitrogen, phosphorus, potassium and the like; the plant fiber is beneficial to the degradation of ecological engineering products after the mangrove plants are planted. The engineering product creates a stable living environment for the seedling germination and early growth of the mangrove plant, and promotes the rooting and planting of the mangrove plant. Experiments show that the engineering product is beneficial to early planting of mangrove plants in the coast with strong wave flow dynamics, the survival rate of the plant seedlings is improved by 10-15 times, and the mangrove forest restoration and ecological disaster reduction effects in the coast area are obviously improved. The ecological engineering product can effectively reduce the impact of waves and tides on mangrove plant seedlings, simultaneously promotes the growth of the plant seedlings, saves manpower by utilizing engineering construction, does not damage the shoreline environment in the later period of mangrove forest construction, and has very wide prospect in the aspect of quickly recovering mangrove forest vegetation in coastal areas with strong wave flow dynamics.
Drawings
FIG. 1 is a diagram of the effect of the application of the ecological engineering product;
FIG. 2 is an overall schematic view of an bioengineered article;
3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 ( 3 section 3 A 3- 3 A 3) 3 of 3 the 3 bioengineered 3 article 3; 3
FIG. 4 is a cross-sectional view (section B-B) of the bioengineered article;
in the figure: 1 ecological engineering product, 2 holding chambers, 3 drain holes and 4 mangrove plant seedlings.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are only for illustrating the performance of the present invention more clearly and are not limited to the following examples.
An ecological engineering product for coastal permanent planting mangrove plants with strong wave flow dynamics comprises cement, gravels, yellow sand, humus, straws, polyurethane coating slow-release plant nutrient substances and a bacillus amyloliquefaciens coating body, wherein the strength grade of the used cement is 42.5, the bacillus amyloliquefaciens IAE coating body (provided by river and sea university strains and microbial inoculum, and the bacterial content of the coating body is 2 multiplied by 1010cfu g-1) Humic substances (vinegar residue decomposed finished product, granulation, organic matter content 68%, pH value 7.2), slow-release plant nutrient substance coating body (N-P-K = 15: 15: 15) the proportion of the straw fragments (2-5 cm) to the total weight (w: w) of the cement, the broken stone and the yellow sand is respectively as follows: 0.5 percent, 1 percent, 2 percent and 3 percent, evenly mixing, controlling the water-cement ratio to be 0.3, and specifically comprising the following steps:
1) 1 ton of 42.5-grade ordinary portland cement, 2 tons of stones and 4 tons of sand are added with water according to the water-cement ratio of 0.3 and stirred uniformly;
2) adding an envelope body (provided by river sea university) of Bacillus amyloliquefaciens IAE with the bacterial content of 2 multiplied by 10 into the substance formed in the step 1)10cfu g-1) Humic substances (vinegar residue decomposed finished product, granulation, organic matter content 68%, pH value 5.2), slow-release plant nutrient substance coating body (N-P-K = 15: 15: 15) 35kg, 70kg, 140 kg and 21 kg of the straw fragments (2-5 cm) of the cord grass respectively0kg of the mixture is mixed and stirred evenly;
3) loading the mixture formed in the step 2) into a whale type streamline mold, loading the mixture in two times, wherein the first loading modulus is 60%, then placing the mixture on a horizontal vibration table for compacting for about 5min, the second loading modulus is 35%, then placing the mixture on the horizontal vibration table for vibration until water slightly seeps out of the surface, and immediately stopping vibration;
4) placing the product formed in the step 3) in an environment with the temperature of 20 +/-3 ℃ and the humidity of more than 50% for curing for 36 hours;
5) pouring the product cured in the step 4) out of the mold and continuing curing for 28d under the same environment as the step 4).
6) The weight of the formed product is 10kg-12kg, the height is 30cm, the diameter of the middle hole is 5cm, and the diameter of the big hole at the bottom opening is 20 cm. As shown in fig. 1-4.
FIG. 1 is a diagram of the effect of the application of the ecological engineering product; placing the product in intertidal zone at 1 month and 2 days, the climax is 0.5m, and planting Kandelia candel in the holes of the ecological engineering product at 4 months and 27 daysKandelia candel) Hypocotyls, while the intertidal zone deposits are directly planted on the hypocotyls of the Kandelia candel. And (3) transplanting the ecological engineering product and the Kandelia candel seedlings to a tidal zone of 1.6m in 20 days 6 months in the next year, monitoring that the maximum water flow speed is 1.2m/s and the maximum effective wave height is 1.5m, burying the engineering product and the root systems of the Kandelia candel seedlings into sediments in the tidal zone, and simultaneously directly transplanting the common seedling-cultured Kandelia candel seedlings to the same coastal area to allow the Kandelia candel to grow. The survival rate of the Kandelia candel is determined 30 days 10 months in the third year, the survival rate of the Kandelia candel in the common seedling growing area is directly planted is 8%, and the survival rate of the Kandelia candel planted by adopting the measures of ecological engineering products is 100%.
Example 2
An ecological engineering product for coastal permanent planting mangrove plants with strong wave flow dynamics comprises cement, gravels, yellow sand, humus, straws, polyurethane coating slow-release plant nutrient substances and a bacillus amyloliquefaciens coating body, wherein the strength grade of the used cement is 42.5, the bacillus amyloliquefaciens IAE coating body (provided by river and sea university strains and microbial inoculum, and the bacterial content of the coating body is 2 multiplied by 1010cfug-1) Humus (cassava dregs are decomposed into finished products, granulated, the organic matter content is 70 percent, and the pH value is 6.9) And a slow-release plant nutrient substance inclusion body (N-P-K = 15: 15: 15) adding the mixture and straw fragments (5-10 cm) which are respectively 0.5 percent, 1 percent, 2 percent and 3 percent of the mass of cement, uniformly mixing, controlling the water-cement ratio to be 0.35, and specifically comprising the following steps:
1) 1 ton of 42.5-grade ordinary portland cement, 2 tons of broken stone and 4 tons of yellow sand are added with water according to the water-cement ratio of 0.35 and stirred uniformly;
2) adding an envelope body (provided by river sea university) of Bacillus amyloliquefaciens IAE with the bacterial content of 2 multiplied by 10 into the substance formed in the step 1)10cfu g-1) Humus (a finished product of cassava residue is decomposed and granulated, the organic matter content is 70%, and the pH value is 6.9), a slow-release plant nutrient substance coating body (N-P-K = 15: 15: 15) mixing with straw fragments (5-10 cm) 35kg, 70kg, 140 kg and 210kg respectively, and stirring;
3) loading the mixture formed in the step 2) into a comma-type streamline die, loading the mixture in two times, wherein the first loading modulus is 60%, placing the mixture on a horizontal vibrating table for compacting for about 5min, the second loading modulus is 35%, placing the mixture on the horizontal vibrating table for vibrating until water slightly seeps out from the surface, and immediately stopping vibrating;
4) placing the product formed in the step 3) in an environment with the temperature of 20 +/-3 ℃ and the humidity of more than 50% for curing for 36 hours;
5) pouring the product cured in the step 4) out of the mold and continuing curing for 28d under the same environment as the step 4).
6) The weight of the formed product is 50kg-55kg, the height is 50cm, the diameter of the middle hole is 10cm, and the diameter of the big hole at the bottom opening is 30 cm.
On the edge of the landscape coastline, a mangrove seedling region can not be planted by conventional measures, the maximum water flow speed is monitored to be 1.8m/s, the maximum effective wave height is monitored to be 2m, and an outline whale body engineering product module (on which 33 months of white bone loam is bred) is placed in the sediment in 15 days after 9 monthsAricennia marinaSeedling), the engineering product module is placed into the sediment with the depth of 50cm, and the avicennia marina grows automatically. The survival rate of the avicennia marina is measured to be 90% in the next 11 months and 30 days.
Example 3
Strong wave flow dynamic coast mangrove plant field planting methodThe ecological engineering product consists of cement, pebbles, sand, humus, bamboo, urea-formaldehyde resin coated slow-release plant nutrient substances and a bacillus amyloliquefaciens coated membrane body, wherein the strength grade of the used cement is 42.5, and the bacillus amyloliquefaciens IAE coated membrane body (provided by river and sea university strain and microbial inoculum, the bacterial content of the coated membrane body is 2 multiplied by 10)10cfug-1) Humus (straw rotten finished product, granulation, organic matter content 58%, pH 7.0), slow-release plant nutrient substance coating body (N-P-K = 15: 15: 15) adding the bamboo chips (5-25 cm) and the bamboo chips according to the proportion of 1%, 3% and 5% of the weight of cement (w: w), mixing uniformly, controlling the water-cement ratio to be 0.4, and specifically comprising the following steps:
1) 1 ton of 42.5-grade ordinary portland cement, 2 tons of stones and 4 tons of sand are added with water according to the water-cement ratio of 0.4 and stirred uniformly;
2) adding an envelope body (provided by river sea university) of Bacillus amyloliquefaciens IAE with the bacterial content of 2 multiplied by 10 into the substance formed in the step 1)10cfu g-1) Humus (straw rotten finished product, granulation, organic matter content 58%, pH 7.0), plant nutrient substance coating body (N-P-K = 15: 15: 15) mixing with bamboo pieces (5-10 cm) 70kg, 210kg and 350kg respectively, and stirring;
3) loading the mixture formed in the step 2) into a spindle-type streamline die, loading the mixture in two times, wherein the first loading modulus is 60%, then placing the mixture on a horizontal vibrating table for compacting for about 5min, the second loading modulus is 35%, then placing the mixture on the horizontal vibrating table for vibrating until water slightly seeps out from the surface of cement, and immediately stopping vibrating;
4) placing the product formed in the step 3) in an environment with the temperature of 20 +/-3 ℃ and the humidity of more than 50% for curing for 36 hours;
5) pouring the product cured in the step 4) out of the mold and continuing curing for 28d under the same environment as the step 4).
6) The weight of the formed product is 300kg-350kg, the height is 100cm, the diameter of the middle hole is 30cm, and the diameter of the big hole at the bottom opening is 100 cm.
Planting 2-year-old Avicennia marina seedlings in the finished product, after culturing for 20 months, transplanting ecological engineering products and Avicennia marina seedlings in the intertidal zone with the height of 1.5m, monitoring the maximum wave water flow rate of 2m/s and the maximum effective wave height of 2m, and burying the engineering products in the sediments in the intertidal zone. The survival rate of the avicennia marina is determined to be 100% in 10 days of 12 months in the next year.
The present invention has been disclosed in terms of the preferred embodiment, but it is not intended to be limited to the embodiment, and all technical solutions obtained by substituting or converting the equivalent embodiments fall within the scope of the present invention.
Claims (10)
1. An ecological engineering product is characterized in that the ecological engineering product is degradable, and raw materials comprise cement, stones, sand, plant fibers, humus, a microbial strain coating body and a plant nutrient substance coating body, wherein the contents of the microbial strain coating body, the humus, the plant nutrient substance coating body and the plant fibers are respectively 0.5-1%, 1-2%, 2-3% and 3-8%, and the percentages are mass percentages;
the ecological engineering product is provided with an accommodating cavity for fixing and planting seedlings and mature seedlings of mangrove plants;
the shape of the ecological engineering product is a linear type with wave-reducing kinetic energy.
2. The ecological engineering product of claim 1, wherein the cross-sectional edges of the ecological engineering product are streamlined to reduce wave impact energy designed for the current situation of wave current dynamics in the area of use; can resist the waves with the water flow velocity of 2m/s and the effective wave height of 2 m.
3. The ecological engineering product according to claim 1, wherein in the microbial strain envelope, the water content of the bacterial powder is not higher than 10%, and the water solubility of the resin and the bacterial powder are in a ratio of 1: spraying and coating the film at the mass ratio of 0.2-0.5;
the strain adopts Bacillus amyloliquefaciens IAEBacillus amyloliquefaciensIAE, the preservation number of the strain is CCTCC NO: m2013086, which is preserved in China center for type culture Collection in 2013, 3, 15 and 3 months, wherein the preservation address is Wuhan city Wuchang Lojia mountain.
4. The ecological engineering product of claim 1, wherein in the plant nutrient substance coating body, the water content of the plant nutrient element substance is not higher than 10%, and the water-soluble state of the resin and the plant nutrient element substance are in a ratio of 1: and (3) carrying out guniting coating at the mass ratio of 1-3.
5. The ecological engineering product of claim 1, wherein the plant fibers are selected according to wave flow dynamics of an application scenario.
6. The ecological engineering product of claim 1, wherein the containing cavity of the ecological engineering product is vertically arranged, the top of the containing cavity is communicated with the outside, and the bottom of the containing cavity is communicated with the outside through one or more drainage holes.
7. The ecological engineering product of claim 1, wherein the containing cavity of the ecological engineering product is smaller in the middle and upper parts and larger in the lower part, and is used for providing a plant root growing space.
8. The method for preparing the ecological engineering product according to claim 1, which comprises:
step a, uniformly mixing cement, stones and sand according to a water-cement ratio of 0.25-0.40;
b, sequentially putting plant fibers, humus, a microbial strain envelope body and a plant nutrient substance envelope body into the substance formed in the step a, and uniformly stirring;
c, filling the mixture formed in the step b into a mold, filling the mixture into the mold twice, wherein the first filling modulus is 50-60%, then placing the mold on a horizontal vibration table for compacting for about 5-10 min, the second filling modulus is 30-40%, then placing the mold on the horizontal vibration table for vibration until water slightly seeps out of the cement surface, and at the moment, immediately stopping vibration;
d, placing the product formed in the step c in an environment with the temperature of 20 +/-5 ℃ and the humidity of more than 30% for curing for 36-72 hours;
and e, taking out the product cured in the step d from the mold, and continuously curing for 20-30 d in the same environment as that in the step d to obtain the ecological engineering product.
9. The method for preparing ecological engineering products, according to claim 8, wherein the pH value of the raw material mixture is adjusted by humus, and the pH value is 5-10.
10. Use of the ecologically engineered product of any one of claims 1 to 7 in strong wave dynamic coastal permanent planting of mangrove forest, fixing and planting seedlings or adult seedlings of mangrove plants in the ecologically engineered product to form a complex of the ecologically engineered product and the plants, and placing the complex on the upper layer of the sediment or burying the complex in the sediment to realize permanent planting of the mangrove plants.
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| CN116746420A (en) * | 2023-05-31 | 2023-09-15 | 海南省林业科学研究院(海南省红树林研究院) | Seedling raising method for birth control mangrove plant tinospora sinensis |
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| US10123926B2 (en) * | 2015-04-08 | 2018-11-13 | Biolife, Llc | Biodegradable urn planting system |
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| CN116746420A (en) * | 2023-05-31 | 2023-09-15 | 海南省林业科学研究院(海南省红树林研究院) | Seedling raising method for birth control mangrove plant tinospora sinensis |
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| CN111213520B (en) | 2021-09-03 |
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