CN107047257A - The red intensive culture apparatus of duckweed germ plasm resource - Google Patents
The red intensive culture apparatus of duckweed germ plasm resource Download PDFInfo
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- CN107047257A CN107047257A CN201710146179.5A CN201710146179A CN107047257A CN 107047257 A CN107047257 A CN 107047257A CN 201710146179 A CN201710146179 A CN 201710146179A CN 107047257 A CN107047257 A CN 107047257A
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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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus 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
- A01G24/00—Growth substrates; Culture media; 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Abstract
The present invention provides a kind of red intensive culture apparatus of duckweed germ plasm resource, and the device is made up of cultivation bed and planting panel, and planting panel is double-decker, is placed on cultivation bed;Planting panel is placed in cultivation cup aperture provided with cultivation cup aperture, cultivation net cup;Described cultivation net cup is made up of saucer and cup net;Described cup net is network structure, and screen distance is less than the average diameter of red duckweed individual.Main advantages of the present invention are:Different cultivars can be achieved to cultivate while (be) red duckweed, solve multi items (being) red duckweed simultaneously conservation, the problem of expand numerous, and light simple row;Can effectively shading, suppress algal grown in nutrient solution, be that the growth of red duckweed creates favorable conditions;Effectively realize the intensive culture of red duckweed;Not only save, and improve efficiency, reduce workload, it is easy to operate, with larger application and popularization value.
Description
Technical field
The invention belongs to agriculture field, and in particular to a kind of red intensive culture apparatus of duckweed germ plasm resource.
Background technology
Red duckweed is pteridophyte, and category Azolla imbricata section, is the small-sized floating plant being grown in paddy field or pond.In green when young
Color, growth is rapid, often grows up on the water surface a piece of.Green, becomes red, can carry out photosynthesis after autumn;Red duckweed is often with there is fixed nitrogen
The Anabaena symbiosis gas of effect, breeding quickly, is born in paddy field or lakes and marhshes, China southeast and the west and south are generally distributed.It can
It using the Fine green manure as paddy rice, can also make the feed of fish and domestic animal, can extract organic chemistry raw material.
Red duckweed main nutrient composition and amino acid rich in animal feed etc., can provide cheap for organic fowl, poultry, fish production
Feed source;Red duckweed carries out biological nitrogen fixation in breeding process, and can be enriched with rice plant and can not directly utilize micro potassium, makes
It turns into the natural N of green organic rice production, potash fertilizer source;Red duckweed has the ability of enriched in metals ion, is put in a suitable place to breed in rice field
Red duckweed, can be acted on heavy metal pollution landing dirt, be put in a suitable place to breed in breeding water body, to the clearance of NH3-N, TP in breeding water body
More than 30%;" rice-duckweed-fish " Land use models can reduce paddy field greenhouse gas methane discharge more than 30%.
Biosphere two is the closed ecological life-support systems (CELSS) that American scientist is set up, numerous
Participate in the experiment in pionner, red duckweed is also listed.The leading plant that red duckweed can develop as the outer space, NASA is by red duckweed in recent years
It is classified as the pioneer crop for establishing Mars earth station.
Needed to provide production and scientific research, cultivating red duckweed needs to protect duckweed, expands numerous, the existing stem apex group of azolla germplasm resource preservation
Training, Greenhouse Water Culture, solarium's earth culture three-level preserve system.Wherein Greenhouse Water Culture is usually the basin that a kind of red duckweed is placed on to a closing
Cultivated in son, nutrient solution in Sheng pulls red duckweed out, outwells old nutrient solution after a period of time, change new nutrient solution, workload is big, and
And a basin can only once cultivate the red duckweed of a kind, efficiency is low.Red duckweed species is various, it is existing up to 508 strains it
Many, if multi items are cultivated simultaneously, not only floor space is big, and management inconvenience, and workload is extremely huge, for production and scientific research
Bring great difficulty.
The content of the invention
It is an object of the invention to provide a kind of red intensive culture apparatus of duckweed germ plasm resource, available for Greenhouse Water Culture, solve
Multi items (being) red duckweed simultaneously conservation, expand it is numerous the problem of, be production and scientific research facility is provided.
In order to realize the above object technical scheme is as follows:
The red intensive culture apparatus of duckweed germ plasm resource, is made up of, planting panel is double-decker, is put cultivation bed and planting panel
In on cultivation bed;Several cultivation cup aperture are uniformly provided with described planting panel, cultivation net cup is placed in cultivation cup aperture;It is described
Cultivation net cup be made up of saucer and cup net;Described cup net is network structure, and screen distance is less than the average diameter of red duckweed individual.
Further, described saucer uses PVC material, thickness 2-3mm, saucer shape square-outside and round-inside, outer for square,
Length of side 85-90mm, interior is circle, diameter 75-80mm;Saucer bilayer superposition is used, with clamp, fixed cup net;Described
Cup net uses nylon material, and preferably aperture 0.1mm can block the hybridization of the red duckweed of different cultivars.
Further, the described a diameter of 80mm of cultivation cup aperture, cup aperture spacing is no less than 10mm.
Further, described planting panel uses PVC material, thickness 20mm, the spacing 10-20mm of two-layer panel.
Saucer and planting panel use PVC material, and planting panel is arranged to double-decker, be for appropriate shading or
Cover, algal grown in Restraining culture groove nutrient solution is more beneficial for the growth of red duckweed, also for making cultivation net cup put more steady,
As far as possible reduce the red duckweed of different cultivars between influencing each other.
Further, described cultivation groove height is 80-100cm, and enough depth of water depth ensure that red duckweed preferably grows.
Described cultivation bed one end is provided with feed tube, and feed tube extends to cultivation bed above cultivation bed through planting panel
Close to cultivation trench bottom, 10mm is no less than with the distance of cultivation trench bottom as far as possible for inside, feed tube outlet;The cultivation bed other end is set
There is a liquid back pipe, liquid back pipe is extended to inside cultivation bed below cultivation bed, liquid back pipe entrance and highly consistent, the guarantor with lower floor panel
Card nutrient solution will not overflow cultivation bed;Liquid back pipe entry position is higher than feed tube outlet port.
During cultivation, described cultivation net cup is placed in cultivation cup aperture, and cultivation net cup bottom is with the distance for cultivating trench bottom
50mm, sufficiently long cultivation net cup ensures that red duckweed root growth has the space of abundance.
Further, the concentration that each composition in nutrient solution, nutrient solution is housed in described cultivation bed is P3+9.4ppm, K+
24.0ppm, Ca2+40.0ppm, Mg2+4.0ppm, Fe3+0.93ppm, B3+0.05ppm, Mo2+0.177ppm, Mn2+0.53ppm,
Zn2+4.98ppm, Cu2+2.05ppm, Se4+0.03ppm, nutrient solution reusable edible.
Further, described feed tube is connected with the feed liquid pipeline of nutrition liquid pool, described liquid back pipe and nutrition liquid pool
It is connected;It is contained in the nutrient solution in nutrition liquid pool to be improved after pressure by water pump, is drawn into certain flow in feed liquid pipeline,
Then flowed into by one end of cultivation bed through feed tube in cultivation bed, supply is grown on red duckweed therein with nutrient, moisture and root system
Oxygen needed for breathing;The liquid back pipe that nutrient solution passes through the other end positioned at cultivation bed flows back to nutrition liquid pool.Nutrient solution is cultivated herein
In system, all the time in circulating state.Nutrient solution is managed using the method for control nutrient solution electrical conductivity (EC) and liquid level.
Application of the described red intensive culture apparatus of duckweed germ plasm resource in the intensive cultivation of red duckweed.
Main advantages of the present invention are:
(1) in a cultivation bed, the red duckweed of a kind is cultivated by using cultivation net cup, i.e., one a cultivation net cup,
Different cultivars can be achieved to cultivate while (be) red duckweed, solve multi items (being) red duckweed simultaneously conservation, the problem of expand numerous, and light letter
It is easy.
(2) planting panel use lighttight PVC material, can effectively shading, suppression nutrient solution in algal grown, be red duckweed
Growth creates favorable conditions.
(3) cultivation net cup is designed to the network structure of small-bore, can effectively block the hybridization between different cultivars (being) red duckweed,
It even if the red duckweed of different cultivars is close to culture in cultivation, will not also influence each other, effectively realize the intensive culture of red duckweed.
(4) nutrient solution can share use, recycling.During red duckweed culture, nutrient solution is supplied by way of circulating,
The nutritional need of different cultivars (being) red duckweed can be ensured, not only saved, and improve efficiency, workload, operation side is reduced
Just, with larger application and popularization value.
(5) using the culture apparatus of the present invention, the intensive culture of red duckweed germ plasm resource can be achieved, occupation of land face is greatly reduced
Product, is that production and scientific research provide facility.
Brief description of the drawings:
The intensive culture apparatus schematic diagram of the red duckweed germ plasm resources of Fig. 1
Fig. 2 planting panel schematic diagrames
Fig. 3 cultivates net cup schematic diagram
Fig. 4 culture apparatus nutrient solution flow schematic diagrams
In figure, 1- cultivation beds, 2- planting panels, 3- cultivation cup aperture, 4- cultivation net cups, 5- saucers, 6- glasss of nets, 7- feed liquors
Pipe, 8- liquid back pipes, 9- water pumps, 10- nutrition liquid pools, 11- feed liquid pipelines.
Embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in figures 1-4, a kind of red intensive culture apparatus of duckweed germ plasm resource, is made up of cultivation bed 1 and planting panel 2, is planted
Training panel 2 be double-decker, be divided into above and below two layers, be placed on cultivation bed 1.Several cultivation cups are uniformly provided with planting panel 2
Hole 3, cultivation net cup 4 is placed in cultivation cup aperture 3.Cultivation net cup 4 is made up of saucer 5 and cup net 6, and cup net 6 is network structure, mesh
Footpath is less than the average diameter of red duckweed.Cultivation net cup 4 is mainly designed to realize physical isolation.
General leaflet the Azolla imbricata wide 0.3-1cm of duckweed body, the card state Azolla imbricata wide 1.2-1.7cm of duckweed body, azolla pinnata duckweed body
Wide 1-3cm.Red duckweed duckweed 2 × 2cm of body, side shoot 0.5-1cm, the stem apex that may have grown into after fracture on duckweed body, side shoot also may have grown into duckweed body,
Megasporocarp is more than (including a megaspore, megaspore is equivalent to ovum) 1mm, and microsporocrap (includes multiple microspores, small spore
Son is equivalent to sperm) it is more than 3-5mm, spore leaves cystocarp and can not survived, and the intermolecular hybrid affinity of red duckweed kind is very poor, and together
When can produce Microspore and megaspore fruit kind it is seldom.Red duckweed, which is mainly to be broken by side shoot, carries out vegetative propagation, it is contemplated that red duckweed
Sprout and spore size, realize being adequately isolated between different cultivars (being) red duckweed, the selection of cup net 6 less than red duckweed average diameter,
More preferably less than 1mm.
The height of cultivation bed 1 is 80-100cm, and enough depth of water depth ensure that red duckweed growth has nutrient, moisture and the root of abundance
It is the oxygen needed for breathing.
The a diameter of 80mm of cup aperture 3 is cultivated, cup aperture spacing is no less than 10mm, i.e., when cultivating red duckweed with cultivation net cup 4, cultivate net
Distance minimum between cup 4 can reach 10mm, can realize intensive culture using the confined space to greatest extent.
Planting panel 2 uses PVC material, thickness 20mm, and the spacing of two-layer panel is 10-20mm.Planting panel 2 is not using
Light transmissive material, and planting panel is arranged to double-decker, can suitably shading or concealment, algae in the nutrient solution of Restraining culture groove 1
Growth, so as to be more beneficial for the growth of red duckweed, also makes cultivation net cup 4 put more steady, reduces the mutual shadow between the red duckweed of different cultivars
Ring.
The growth scope that size limit red duckweed of net cup 4 is cultivated, when hot duckweed covers with cultivation net cup 4, you can protected
Plant, expand numerous.Saucer 5 uses PVC material, thickness 2-3mm, the shape square-outside and round-inside of saucer 5, outer for square, length of side 85-90mm,
Interior is circle, diameter 75-80mm.Cup net 6 uses nylon material, the preferred 0.1mm in aperture, for blocking the miscellaneous of the red duckweed of different cultivars
Hand over.Because red duckweed is by the automatic dialysis progress vegetative propagation of side shoot, so the nylon material of small-bore can effectively block different cultivations
The red duckweed of different cultivars influences each other in net cup.Saucer 5 is used for the fixation of cup net 6, and bilayer superposition is used, can fixed with clip,
Prevent from floaing when nylon layer from flowing with water.During cultivation, described cultivation net cup 4 is placed in cultivation cup aperture 3, the bottom of cultivation net cup 4
Distance with the bottom of cultivation bed 1 is 50mm, and sufficiently long cup net ensures that red duckweed root growth has the space of abundance.
The one end of cultivation bed 1 is provided with feed tube 7, and feed tube 7 extends to cultivation bed 1 from the top of cultivation bed 1 through planting panel 2
Inside, the outlet of feed tube 7 is no less than 10mm as far as possible close to the bottom of cultivation bed 1 with the distance of the bottom of cultivation bed 1, so more
Be conducive to mixing and circulation of the new nutrient solution in cultivation bed 1, and current rushing to the red duckweed that is cultivated on liquid level can be reduced
Hit, red duckweed will not fluctuate;The other end of cultivation bed 1 is provided with liquid back pipe 8, and liquid back pipe 8 extends to cultivation bed from the lower section of cultivation bed 1
Inside 1, the entrance of liquid back pipe 8 and lower floor planting panel are highly consistent, it is ensured that nutrient solution will not overflow cultivation bed 1;The entrance of liquid back pipe 8
Position is higher than the outlet port of feed tube 7.Feed tube 7 is connected with the feed liquid pipeline 11 of nutrition liquid pool 10, liquid back pipe 8 and nutrition liquid pool
10 are connected.
The wide deep liquid stream water culture technique of current domestic and international application is taken in red duckweed cultivation, and is suitably modified, and has
Body method is as follows:
First, the nutrient solution being contained in nutrition liquid pool 10 is improved after pressure by water pump 9, is drawn into certain flow
In feed liquid pipeline 11, then flowed into by one end of cultivation bed 1 through feed tube 7 in cultivation bed 1, allow cultivation bed 1 to fill nutrient solution.This
When, the liquid level of nutrient solution is concordant with lower floor planting panel 2, and the other end that unnecessary nutrient solution passes through positioned at cultivation bed 1 returns liquid
Flowed back in pipe 8 in nutrition liquid pool 10.
During cultivation, red duckweed trophosome is placed in cultivation net cup 4, cultivation net cup 4 is placed on the cultivation cup of planting panel 2
In hole 3.Each cultivation net cup 4 can place the red duckweed of different cultivars, while being cultivated.Red duckweed system aquatic fern, individual
Height very little, directly swims in liquid level growth.Now, red duckweed floats on the growth of lower floor's planting panel position.Hot duckweed covers with cultivation
When training net cup 4, you can carry out conservation or expand numerous.
Nutrient solution supply is grown on red duckweed therein with the oxygen needed for nutrient, moisture and root system respiration.Using control battalion
The method management nutrient solution of nutrient solution electrical conductivity (EC) and liquid level, i.e., monitor the electrical conductivity of nutrient solution in cultivation bed 1 with conductivity meter
Change, the liquid level of nutrient solution in cultivation bed 1 is monitored with liquid level meter.When the reduction of nutrient solution electrical conductivity or liquid level reduction, open
Water pump 9 is opened, the nutrient solution allowed in nutrition liquid pool 10 is swapped by feed tube 7 with the nutrient solution in cultivation bed 1, be red duckweed life
Long supplement nutrient, moisture and oxygen, old or unnecessary nutrient solution is from the interlayer and liquid back pipe 8 between two layers of planting panel 2 up and down
Flow back in nutrition liquid pool 10.Nutrient solution is in this cultivation system, all the time in the state that circulates, and nutrient composition keeps phase
To stable, liquid level holding stabilization.When the nutritional ingredient of nutrient solution be consumed or nutrient solution moisture evaporation, from nutrition liquid pool 10 to
New nutrient solution is gradually supplemented in cultivation bed 1, red duckweed growth is supplied, without changing whole nutrient solutions every time.
Wherein, the concentration of each composition of nutrient solution is P in cultivation bed 13+9.4ppm, K+24.0ppm, Ca2+40.0ppm, Mg2+
4.0ppm, Fe3+0.93ppm, B3+0.05ppm, Mo2+0.177ppm, Mn2+0.53ppm, Zn2+4.98ppm, Cu2+2.05ppm,
Se4+0.03ppm, nutrient solution reusable edible.The setting of each composition of nutrient solution is the design feature for having considered culture apparatus
With the growth characteristics of red duckweed.
Red duckweed in nature is faint class plant and anabena homobium, and growth of Anabaena is in red duckweed phyllocyst, and red duckweed enters
Row photosynthesis is there is provided carbohydrate to anabena, and anabena fixed nitrogen can provide the nitrogen nutrition needed for red duckweed growth.It is full
The red duckweed of foot is to the demands of various nutrition, and P, K, Mg, Fe, Mn, Zn, B are relevant with the photosynthesis of red duckweed, and Cu, Mo are mainly with fish raw meat
Algae nitrogen fixation is relevant.
Red duckweed dry not only 7-11% containing crude fibre, the mineral element such as potassium, calcium, sulphur, selenium, molybdenum, also containing crude protein 25-
35%, and Se is the trace element that red duckweed protein metabolism needs.Se is added in nutrient solution4+, it is more beneficial for egg in red duckweed growth
The accumulation of white matter.
The present invention is cultivated while can realizing multi items red duckweed, and ensures growth of the red duckweed in whole breeding process
Environment keeps relative stability, i.e., nutrient composition is stable, and red duckweed is highly stable in cultivation net cup.The culture apparatus of the present invention
Assembling extension can be also carried out as needed.
Embodiment 2
As shown in figures 1-4, a kind of red intensive culture apparatus of duckweed germ plasm resource, is made up of cultivation bed 1 and planting panel 2, is planted
Training panel 2 be double-decker, be divided into above and below two layers, be placed on cultivation bed 1.Several cultivation cups are uniformly provided with planting panel 2
Hole 3, cultivation net cup 4 is placed in cultivation cup aperture 3.
The height of cultivation bed 1 is 80cm.Cultivate cup aperture 3 a diameter of 80mm, cup aperture spacing 10mm.Planting panel 2 uses PVC materials
Material, thickness 20mm, the spacing of two-layer panel is 10mm.
Cultivation net cup 4 is made up of saucer 5 and cup net 6.Cultivation net cup 4 limits the growth scope of red duckweed, and hot duckweed covers with cultivation
When training net cup 4, you can carry out conservation, expand numerous.Saucer 5 uses PVC material, and thickness 2mm, the shape square-outside and round-inside of saucer 5 is outer for just
It is square, length of side 85mm, interior is circle, diameter 80mm.Cup net 6 uses nylon material, aperture 0.1mm, for blocking different cultivars
The hybridization of red duckweed.Saucer 5 is used for the fixation of cup net 6, and bilayer superposition is used, fixed with clip, when preventing that nylon layer from flowing with water
Float.During cultivation, described cultivation net cup 4 is placed in cultivation cup aperture 3, and the distance of the bottom of cultivation net cup 4 and the bottom of cultivation bed 1 is
50mm, it is ensured that red duckweed root growth has the space of abundance.
The one end of cultivation bed 1 is provided with feed tube 7, and feed tube 7 extends to cultivation bed 1 from the top of cultivation bed 1 through planting panel 2
Inside, the outlet of feed tube 7 is 10mm with the distance of the bottom of cultivation bed 1 as far as possible close to the bottom of cultivation bed 1, so more favourable
In mixing and circulation of the new nutrient solution in cultivation bed 1, and current can be reduced to the impact of the red duckweed cultivated on liquid level, it is red
Duckweed will not fluctuate;The other end of cultivation bed 1 is provided with liquid back pipe 8, and liquid back pipe 8 is extended in cultivation bed 1 from the lower section of cultivation bed 1
Portion, the entrance of liquid back pipe 8 and lower floor planting panel are highly consistent, it is ensured that nutrient solution will not overflow cultivation bed;The entry position of liquid back pipe 8
Higher than the outlet port of feed tube 7.
Feed tube 7 is connected with the feed liquid pipeline 11 of nutrition liquid pool 10, and liquid back pipe 8 is connected with nutrition liquid pool 10;It is contained in battalion
Nutrient solution in nutrient solution pond 10 is improved after pressure by water pump 9, is drawn into certain flow in feed liquid pipeline 11, then by planting
The one end for training groove 1 is flowed into cultivation bed 1 through feed tube 7, and supply is grown on red duckweed therein with nutrient, moisture and root system respiration institute
The oxygen needed;The liquid back pipe 8 that nutrient solution passes through the other end positioned at cultivation bed 1 flows back to nutrition liquid pool 10.Nutrient solution is cultivated herein
In system, all the time in circulating state.
Embodiment 3
As shown in figures 1-4, a kind of red intensive culture apparatus of duckweed germ plasm resource, is made up of cultivation bed 1 and planting panel 2, is planted
Training panel 2 be double-decker, be divided into above and below two layers, be placed on cultivation bed 1.Several cultivation cups are uniformly provided with planting panel 2
Hole 3, cultivation net cup 4 is placed in cultivation cup aperture 3.
The height of cultivation bed 1 is 90cm, and nutrient, moisture and the root system that enough depth of water depth ensure red duckweed growth and have abundance are exhaled
Oxygen needed for inhaling.
Cultivate cup aperture 3 a diameter of 80mm, cup aperture spacing 20mm.Planting panel 2 uses PVC material, thickness 20mm, two aspects
The spacing of plate is 15mm.Planting panel 2 uses light-proof material, and planting panel is arranged to double-decker, can suitably shading
Or cover, algal grown in the nutrient solution of Restraining culture groove 1, so as to be more beneficial for the growth of red duckweed, also makes cultivation net cup 4 put more
Surely, influencing each other between the reduction red duckweed of different cultivars.
Cultivation net cup 4 is made up of saucer 5 and cup net 6.Cultivation net cup 4 limits the growth scope of red duckweed, and hot duckweed covers with cultivation
When training net cup 4, you can carry out conservation, expand numerous.Saucer 5 uses PVC material, thickness 2.5mm, and the shape square-outside and round-inside of saucer 5 is outside
Square, length of side 88mm, interior is circle, diameter 77mm.Cup net 6 uses nylon material, aperture 0.5mm, for blocking different product
Plant the hybridization of red duckweed.Saucer 5 is used for the fixation of cup net 6, and bilayer superposition uses, fixed with clip, prevent nylon layer from being flowed with water
When float.During cultivation, described cultivation net cup 4 is placed in cultivation cup aperture 3, the distance of the bottom of cultivation net cup 4 and the bottom of cultivation bed 1
For 50mm, it is ensured that red duckweed root growth has the space of abundance.
The one end of cultivation bed 1 is provided with feed tube 7, and feed tube 7 extends to cultivation bed 1 from the top of cultivation bed 1 through planting panel 2
Inside, the outlet of feed tube 7 is 30mm with the distance of the bottom of cultivation bed 1 as far as possible close to the bottom of cultivation bed 1, so more favourable
In mixing and circulation of the new nutrient solution in cultivation bed 1, and current can be reduced to the impact of the red duckweed cultivated on liquid level, it is red
Duckweed will not fluctuate;The other end of cultivation bed 1 is provided with liquid back pipe 8, and liquid back pipe 8 is extended in cultivation bed 1 from the lower section of cultivation bed 1
Portion, the entrance of liquid back pipe 8 and lower floor planting panel are highly consistent, it is ensured that nutrient solution will not overflow cultivation bed;The entry position of liquid back pipe 8
Higher than the outlet port of feed tube 7.
Feed tube 7 is connected with the feed liquid pipeline 11 of nutrition liquid pool 10, and liquid back pipe 8 is connected with nutrition liquid pool 10;It is contained in battalion
Nutrient solution in nutrient solution pond 10 is improved after pressure by water pump 9, is drawn into certain flow in feed liquid pipeline 11, then by planting
The one end for training groove 1 is flowed into cultivation bed 1 through feed tube 7, and supply is grown on red duckweed therein with nutrient, moisture and root system respiration institute
The oxygen needed;The liquid back pipe 8 that nutrient solution passes through the other end positioned at cultivation bed 1 flows back to nutrition liquid pool 10.Nutrient solution is cultivated herein
In system, all the time in circulating state.
Embodiment 4
As shown in figures 1-4, a kind of red intensive culture apparatus of duckweed germ plasm resource, is made up of cultivation bed 1 and planting panel 2, is planted
Training panel 2 be double-decker, be divided into above and below two layers, be placed on cultivation bed 1.Several cultivation cups are uniformly provided with planting panel 2
Hole 3, cultivation net cup 4 is placed in cultivation cup aperture 3.
The height of cultivation bed 1 is 100cm, and enough depth of water depth ensure that red duckweed growth has nutrient, moisture and the root system of abundance
Oxygen needed for breathing.
Cultivate cup aperture 3 a diameter of 80mm, cup aperture spacing 30mm.Planting panel 2 uses PVC material, thickness 20mm, two aspects
The spacing of plate is 20mm.Planting panel 2 uses light-proof material, and planting panel is arranged to double-decker, can suitably shading
Or cover, algal grown in the nutrient solution of Restraining culture groove 1, so as to be more beneficial for the growth of red duckweed, also makes cultivation net cup 4 put more
Surely, influencing each other between the reduction red duckweed of different cultivars.
Cultivation net cup 4 is made up of saucer 5 and cup net 6.Cultivation net cup 4 limits the growth scope of red duckweed, and hot duckweed covers with cultivation
When training net cup 4, you can carry out conservation, expand numerous.Saucer 5 uses PVC material, and thickness 3mm, the shape square-outside and round-inside of saucer 5 is outer for just
It is square, length of side 90mm, interior is circle, diameter 80mm.Cup net 6 uses nylon material, aperture 0.1mm, for blocking different cultivars
The hybridization of red duckweed.Saucer 5 is used for the fixation of cup net 6, and bilayer superposition is used, fixed with clip, when preventing that nylon layer from flowing with water
Float.During cultivation, described cultivation net cup 4 is placed in cultivation cup aperture 3, and the distance of the bottom of cultivation net cup 4 and the bottom of cultivation bed 1 is
50mm, it is ensured that red duckweed root growth has the space of abundance.
The one end of cultivation bed 1 is provided with feed tube 7, and feed tube 7 extends to cultivation bed 1 from the top of cultivation bed 1 through planting panel 2
Inside, the outlet of feed tube 7 is 50mm with the distance of the bottom of cultivation bed 1 as far as possible close to the bottom of cultivation bed 1, so more favourable
In mixing and circulation of the new nutrient solution in cultivation bed 1, and current can be reduced to the impact of the red duckweed cultivated on liquid level, it is red
Duckweed will not fluctuate;The other end of cultivation bed 1 is provided with liquid back pipe 8, and liquid back pipe 8 is extended in cultivation bed 1 from the lower section of cultivation bed 1
Portion, the entrance of liquid back pipe 8 and lower floor planting panel are highly consistent, it is ensured that nutrient solution will not overflow cultivation bed;The entry position of liquid back pipe 8
Higher than the outlet port of feed tube 7.
Feed tube 7 is connected with the feed liquid pipeline 11 of nutrition liquid pool 10, and liquid back pipe 8 is connected with nutrition liquid pool 10;It is contained in battalion
Nutrient solution in nutrient solution pond 10 is improved after pressure by water pump 9, is drawn into certain flow in feed liquid pipeline 11, then by planting
The one end for training groove 1 is flowed into cultivation bed 1 through feed tube 7, and supply is grown on red duckweed therein with nutrient, moisture and root system respiration institute
The oxygen needed;The liquid back pipe 8 that nutrient solution passes through the other end positioned at cultivation bed 1 flows back to nutrition liquid pool 10.Nutrient solution is cultivated herein
In system, all the time in circulating state.
Presently preferred embodiments of the present invention is the foregoing is only, all equivalent changes done according to the present patent application patent are with repairing
Decorations, should all belong to the covering scope of the present invention.
Claims (10)
1. the red intensive culture apparatus of duckweed germ plasm resource, it is characterised in that:Described device is made up of cultivation bed and planting panel, is planted
Training panel is double-decker, is placed on cultivation bed;Described planting panel is placed in cultivation cup provided with cultivation cup aperture, cultivation net cup
Kong Shang;Described cultivation net cup is made up of saucer and cup net;Described cup net is network structure, and screen distance is less than red duckweed individual
Average diameter.
2. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:Described saucer is used
PVC material, thickness 2-3mm, saucer shape square-outside and round-inside, outer is square, length of side 85-90mm, and interior is circle, diameter 75-
80mm, saucer bilayer superposition is used, and is fixed with clip;Described cup net uses nylon material, aperture 0.1mm.
3. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:Described cultivation cup aperture is straight
Footpath is 80mm, and cup aperture spacing is no less than 10mm.
4. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:Described planting panel is adopted
With PVC material, thickness 20mm, the spacing 10-20mm of two-layer panel.
5. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:Described cultivation groove height
For 80-100cm.
6. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:During cultivation, described cultivation
Training net cup is placed in cultivation cup aperture, and the distance of cultivation net cup bottom and cultivation trench bottom is 50mm.
7. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1, it is characterised in that:Described cultivation bed one end
Provided with feed tube, feed tube is extended to inside cultivation bed above cultivation bed through planting panel, and feed tube outlet is as far as possible close
Trench bottom is cultivated, with cultivating the distance of trench bottom no less than 10mm;The cultivation bed other end is provided with liquid back pipe, and liquid back pipe is from cultivation bed
Lower section is extended to inside cultivation bed, and liquid back pipe entrance and lower floor panel are highly consistent;Liquid back pipe entry position goes out higher than feed tube
Mouth position.
8. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1 or 7, it is characterised in that:Described cultivation bed
In nutrient solution is housed, the concentration of each composition is P in nutrient solution3+9.4ppm, K+24.0ppm, Ca2+40.0ppm, Mg2+4.0ppm,
Fe3+0.93ppm, B3+0.05ppm, Mo2+0.177ppm, Mn2+0.53ppm, Zn2+4.98ppm, Cu2+2.05ppm, Se4+
0.03ppm, nutrient solution is recycled.
9. the red intensive culture apparatus of duckweed germ plasm resource according to claim 1 or 7, it is characterised in that:Described feed tube
It is connected with the feed liquid pipeline of nutrition liquid pool, described liquid back pipe is connected with nutrition liquid pool;It is contained in the nutrient solution in nutrition liquid pool
Improved after pressure, be drawn into certain flow in feed liquid pipeline, then by one end of cultivation bed through feed tube stream by water pump
Enter in cultivation bed;The liquid back pipe that nutrient solution passes through the other end positioned at cultivation bed flows back to nutrition liquid pool;Nutrient solution is in this cultivation system
In, in circulating state.
10. according to any described red intensive culture apparatus of duckweed germ plasm resource in claim 1 to 7 in the intensive cultivation of red duckweed
Using.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108887169A (en) * | 2018-09-06 | 2018-11-27 | 福州立农环保科技有限公司 | A kind of new and effective polyhouse-based agriculture cultivation apparatus without soil |
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CN202143380U (en) * | 2011-06-11 | 2012-02-15 | 谢朝栋 | Square tube parallel type soilless culture system |
CN203492501U (en) * | 2013-06-18 | 2014-03-26 | 余汉强 | Hydroponic cultivation system adopting nutrient film technology |
CN204682107U (en) * | 2015-06-09 | 2015-10-07 | 热作两院种苗组培中心 | One Plants automatic water training device |
CN206686830U (en) * | 2017-03-13 | 2017-12-01 | 福建省农业科学院土壤肥料研究所 | The red intensive culture apparatus of duckweed germ plasm resource |
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CN201499503U (en) * | 2009-09-03 | 2010-06-09 | 北京中环易达设施园艺科技有限公司 | Novel movable pipeline cultivation device |
CN202143380U (en) * | 2011-06-11 | 2012-02-15 | 谢朝栋 | Square tube parallel type soilless culture system |
CN203492501U (en) * | 2013-06-18 | 2014-03-26 | 余汉强 | Hydroponic cultivation system adopting nutrient film technology |
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