CN101543180A

CN101543180A - Preparation method of graminaceous plant blanket for biological floating bed

Info

Publication number: CN101543180A
Application number: CN200910026734A
Authority: CN
Inventors: 王国祥; 周晓红
Original assignee: Nanjing Normal University
Current assignee: Nanjing Normal University
Priority date: 2009-05-05
Filing date: 2009-05-05
Publication date: 2009-09-30

Abstract

The invention discloses a preparation method of a graminaceous plant blanket for a biological floating bed, comprising the following steps: firstly, paving a layer of red bricks used for architecture on a smooth ground, then covering a layer of waterproof plastic film with raised circumference on the surfaces of the red bricks, and then covering a layer of planting net on the waterproof plastic film; and secondly, culturing graminaceous plants without soil to form the graminaceous plant blanket. The graminaceous plant blanket is prepared by the method ensures that the seed germination of seeds is high, the introduction process is rapid and convenient, one graminaceous plant seed can be planted for one plant, or different plant seeds are mixed to plant according to a certain proportion to form the embedded combination of different plants. The invention can realize mass and factory production of graminaceous plant blankets, thereby providing enough species resources for the large-scale use of the biological floating bed in the field.

Description

A kind of preparation method who is used for biological floating bed grass family class plant blanket

One, technical field

The invention belongs to the preparation method of the biological floating bed grass family class floating bed plant of the water quality reparation that is used for the river course in the ecotope field of engineering technology, in particular to a kind of preparation method who is used for biological floating bed grass family class plant blanket.

Two, background technology

The water quality of river contamination phenomenon is very serious, and at this type of present situation, the water correction technology of employing roughly is divided into physics method, chemical method and biology/ecological method.Generally speaking, there is the cost height in the physics method, problem such as cure the symptoms, not the disease, there is the treatment effect instability in chemical method, and deal with improperly and easily cause secondary pollution problems, and biology/ecological technique becomes the major technique means that water pollution is administered owing to have plurality of advantages such as safety, economy, practicality, systematicness.Wherein, biological floating bed ecological purification technology for a kind of water correction of growing up in recent years, such technology is passed through plant absorbing, the microhabitat that root system of plant attached microbial and aquatic animal thereof are formed, form one group of water pollution organism treating apparatus, wherein, floating bed plant in biological floating bed reparation water body process in occupation of leading position, gramineous plants has higher biomass, can once plant, repeatedly harvesting, and root system is very flourishing, therefore is widely used as biological floating bed desirable species, uses more gramineous plants at present on the floating bed and mainly contains perennial ryegrass, Festuca Arundinacea, Sudan grass etc.

At present about biological floating bed grass family class plant introduction, still there is not system research, the most of employing on cystosepiment by the certain spacing punching, method according to pore size individual plant or many strains plantation gramineous plants, also the someone adopts the artificial vermiculite bag cultivating, promptly is sewn into sack with window screening, fills vermiculite in the bag, seal the full bag in back and float on the water surface, gramineous plants seed points such as Annual Ryegrass are introduced a fine variety in vermiculite.Though these technology of introducing a fine variety can guarantee to have on biological floating bed the growth of plant, but no matter be with cystosepiment punching cultivation or by the artificial vermiculite bag cultivating, introduce a fine variety technical elements at floating bed plant and still have following shortcomings and deficiencies, be further improved, these defectives comprise the technology of (1) punching cultivation gramineous plants, need pre-incubated plant is excavated and transports, in process such as excavating, very easily cause the physiological damage of root system of plant etc., thereby influence plant introduction survival rate and remediation efficiency; (2) technology of introducing a fine variety of dibbling gramineous plants seed in the vermiculite bag, seed germination often is subjected to many interference of external environment, causes seed germination rate lower, can not farthest realize the ecological functions of biological floating bed reparation polluted-water; (3) have gramineous plants now in the time-consuming effort again of the technology of introducing a fine variety on biological floating bed, and can not realize the production of mass, scale.

Therefore, at the defective of introducing a fine variety of existing biological floating bed grass family class plant, inventing a kind of grass family class floating bed plant turf blanket, to introduce a fine variety technology necessary, and need to solve following problem: introduce a fine variety in the process and can not cause the gramineous plants physiological damage; Gramineous plants is introduced a fine variety the back seed germination rate and wants high; Introduction method is wanted fast, and is convenient, time saving and energy saving, and can realize mass, large-scale production.

Three: summary of the invention

The present invention is directed to the defective of introducing a fine variety of existing biological floating bed grass family class plant; a kind of preparation method who is used for biological floating bed grass family class plant blanket is provided; this method can be carried out introducing a fine variety of floating bed plant fast, easily; can not cause tradition to introduce a fine variety physiological damage and the physical damnification that in the process plant is caused, and can realize the production of scale, batch production.

According to a kind of preparation method who is used for biological floating bed grass family class plant blanket of the present invention, its technical scheme branch following steps are finished:

Step 1 is laid one deck common brick for building on ground grading, purpose is to stop root system of plant vertically to be pricked down, makes root system to the horizontal direction cross growth, impels the wrong knot of mutual coiling between the root system, and the root that forms densification is netted; At the waterproof plastic foil of common brick surface coverage one deck, lifted up around the film then, purpose is to stop under the moisture to blend the water that can keep certain depth; On waterproof plastic foil, cover one deck plantation net again.Described plantation net can be nylon wire (weaving webbed nylon mesh), plastic wire (weaving webbed plastics gauze), glass fiber mesh.

Step 2, soilless culture grass family class plant then form grass family class plant blanket; That is: at the online evenly sowing of plantation grass family class plant seed, pouring contains the water of nutrient solution, cultivates the seed germination growth, makes the root system dish of grass family class plant tie formation blanket shape.

The inventive method is prepared grass family class plant blanket roll immigration biological floating bed upward (introducing a fine variety biological floating bed), introduce a fine variety the process rapid and convenient, plant introduction is after biological floating bed going up, the fast upright field planting of the plant of plant, coil to form and penetrate in the water body after netted root system stretches gradually, by absorbing the nutritive elements such as nitrogen phosphorus in the water body, the degradations such as microorganism that root system adheres to are implemented to repair to polluted-water, reach the purpose of purification of water quality.

The present invention has following characteristics:

(1), the grass family class plant for preparing with the inventive method, tile after can directly rolling biological floating bed on, that has avoided thus that tradition introduces a fine variety link such as excavates, and effectively avoids the process of excavating to the physiological damage that plant plant, root system etc. cause, and has improved the survival rate that floating bed plant is introduced a fine variety greatly.

(2), since the inventive method be carry out on land seed broadcast plant with the management, the interference that is subjected to external environment is less, the seed germination rate height, germination rate can reach more than 90%.

(3), grass family class plant blanket can roll from an end after forming, can conveniently transport.

(4), in the inventive method, the gramineous plants seed can singly be planted to broadcast and be planted, and also can by a certain percentage different plant seeds be mixed broadcast and plant, and forms the combination of inlaying of different plants.

(5), the grass family class plant blanket of the present invention preparation, can carry out the design of art pattern according to shape and people's needs of floating bed.Be, will plant net and be cut into consistent with the floating bed shape or the needed pattern of people that seed is with the sowing of plantation net figure specifically, what present after final turf blanket forms is exactly the pattern that designs in advance, has good ornamental value.

(6), the inventive method, can realize the production of the scale of grass family class plant blanket, batch production, use the source of species that provides sufficient for biological floating bed field is extensive.

Four: embodiment

Below in conjunction with embodiment the inventive method is described further.

The preparation and the migration process of the inventive method grass family class plant blanket:

The first step: select smooth ground, lay common brick for building on the ground, lay area and make by oneself according to floating bed specification or people's needs with ventilation condition.

Second step: fluid-tight plastic foil shop is layed onto the common brick surface, lays area and be consistent, put a mao bamboon respectively in the bottom on each limit of plastic foil, four limits are lifted slightly with common brick, purpose be assurance moisture do not flow out, non-leakage;

The 3rd step: will plant the net plastic foil surface of tiling, the area that plantation is netted is made by oneself according to floating bed specification or people's needs;

The 4th step: the gramineous plants seed evenly is seeded into the plantation net surface; Planting seed density to be covering whole plantation net surface, and each seed is not overlapping is advisable.

The 5th step: the flexible pipe of putting an internal diameter 10mm at place, four right angles of fluid-tight plastic foil respectively, the flexible pipe other end is put into the water tank (water tank contains 90% water) that adds nutrient solution, the back is by the siphon method, water in the water tank is flowed in the plantation net, guarantee the required moisture content of seed germination, water velocity adopts iron clamp control in the flexible pipe, observes the water yield and timely interpolation the in the water tank every day, and nutrient solution regularly adds.

The 6th step: treat the gramineous plants seed germination, sprout seedling and grow to 20-25cm, and the root system dish ties, during dish knot thickness 1-1.5cm, the gramineous plants blanket forms, after the gramineous plants blanket is rolled from an end, moves into biological floating bed going up and tiles.

The 7th step: moves into the gramineous plants blanket plant on biological floating bed, after the recovery through a break time, the upright field planting of plant, root stretches and penetrates in the water and grows, and begins to realize the ecological functions of its reparation polluted-water.

Embodiment one:

Operation sequence according to turf blanket specific embodiments, under ventilation condition, laying area on ground grading is the common brick for building of 2m * 2m, and the waterproof plastic foil of same area is laid in the back on the common brick surface, and the mao bamboon in that a long 2m is put in bottom, the every limit of plastic foil lifts four limits slightly; With the nylon wire of two the 1 * 2m plastic foil surface of tiling, after ryegrass seed evenly is seeded into the nylon wire surface, adopt the water body that the siphon method will contain nutrient solution that ryegrass seed is watered, ryegrass seed began to sprout in 4-5 days, 92% seed germination about 7 days, when treating that ryegrass seed is sprouted seedling and grown to 20-25cm, and root system dish knot thickness is when being the 1.2cm left and right sides, and the turf blanket forms.The perennial ryegrass turf blanket that forms is rolled from an end, move into the biological floating bed tiling of going up, move into the perennial ryegrass turf blanket on biological floating bed, about the 4th day, the root that the upright field planting of 90% left and right sides plant, 3-4 days hub disks are tied begins to stretch and penetrates in the water and begin growth, perennial ryegrass fast speed over recovery phase, enter vegetative period, realize the ecological functions of its reparation polluted-water.

Embodiment two:

Identical with the program of example one, gramineous plants is changed to Festuca Arundinacea, sprouts after 7 days, and the turf blanket forms after 20 days, the about 30cm of plant height, root system dish knot thickness 1.0cm, roll move into biological floating bed after, whole field planting of plant in the 5th day and root system stretching, extension penetrate in the water grows.

Embodiment three:

Identical with the program of example one, gramineous plants is changed to the mixing of perennial ryegrass and tall fescue seed, the seed mixed proportion is 1:1, after seed is broadcast and planted, sprouts in 5-7 days, the turf blanket forms after 20-25 days, the about 25cm of perennial ryegrass plant height wherein, the about 30cm of Festuca Arundinacea plant height, root system dish knot thickness 1.5cm, the turf blanket roll move into biological floating bed after, whole field planting of plant in 4-6 days and root system stretch to penetrate in the water and grow.

Claims

1, a kind of preparation method who is used for biological floating bed grass family class plant blanket, its step is as follows:

Step 1 is laid one deck common brick for building on ground grading; At the waterproof plastic foil of common brick surface coverage one deck, lifted up around the film then; On waterproof plastic foil, cover one deck plantation net again;

Step 2, soilless culture grass family class plant then form grass family class plant blanket.

2, according to the described a kind of preparation method who is used for biological floating bed grass family class plant blanket of claim 1, it is characterized in that: described plantation net can be nylon wire, plastic wire or glass fiber mesh.

3, according to claim 1 or 2 described a kind of preparation methods that are used for biological floating bed grass family class plant blanket, it is characterized in that: described soilless culture grass family class plant, form grass family class plant blanket, its detailed process is, at the online evenly sowing of plantation grass family class plant seed, pouring contains the water of nutrient solution, cultivates the seed germination growth, makes the root system dish of grass family class plant tie formation blanket shape.