CN103798119B - Multi-functional duckweed cultivates net cage in pond - Google Patents
Multi-functional duckweed cultivates net cage in pond Download PDFInfo
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- CN103798119B CN103798119B CN201410085127.8A CN201410085127A CN103798119B CN 103798119 B CN103798119 B CN 103798119B CN 201410085127 A CN201410085127 A CN 201410085127A CN 103798119 B CN103798119 B CN 103798119B
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- Prior art keywords
- net cage
- duckweed
- buoyancy aid
- functional
- pond
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- 244000207740 Lemna minor Species 0.000 title claims abstract description 66
- 235000006439 Lemna minor Nutrition 0.000 title claims abstract description 66
- 235000001855 Portulaca oleracea Nutrition 0.000 title claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 33
- 239000004575 stone Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 8
- 239000002023 wood Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 4
- 241000252229 Carassius auratus Species 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 230000009191 jumping Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019629 palatability Nutrition 0.000 description 2
- 241000209524 Araceae Species 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000339996 Lemna obscura Species 0.000 description 1
- 241000209501 Spirodela Species 0.000 description 1
- 240000000818 Wolffia arrhiza Species 0.000 description 1
- 235000002740 Wolffia arrhiza Nutrition 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses the multi-functional duckweed in a kind of pond and cultivate net cage, it comprises: net cage, and its upper surface is open surface, and it is provided with sinker; Buoyancy aid block, it is arranged at net cage upper end in the mode being surrounded on net cage upper end-face edge; Outer hoddy, it is netted lamellar body, and it is connected with buoyancy aid block and around being layed in around net cage upper end, and it is provided with float to float on the water surface; Net cage is in the acting in conjunction low suspension of buoyancy aid block and the buoyancy of float and the settling capacity of sinker water, and the mode that buoyancy aid block surfaces with the first half floats on the water surface, and buoyancy aid block is provided with at least one foodstuff mouth.The present invention has good duckweed and cultivates and conservation function, constantly for fish provide edible duckweed, can play again the effect of purification pond water quality.In addition, the present invention also can cultivate and cultivate the fancy fishes such as goldfish, and the net cage of supporting temporarily that also can be used as fish if desired uses.
Description
Technical field
The present invention relates to technical field of aquaculture, particularly the multi-functional duckweed in a kind of pond cultivates net cage.
Background technology
Duckweed refers to that wolffia arrhiza, little duckweed, duckweed spirodela etc. belong to the aquatic floating plant of Lemnaceae.The content of duckweed crude protein and vitamin is high, nutritious, good palatability, and reproduction speed is fast, is the high-quality bait of phytophagy and ominivore-fish, and it also has certain medical value.Utilizing duckweed to breed fish and can not only cultivate the large and neat fingerling of specification, and also have great importance in the cultivation of adult fish, is reduce feed cost, the effective way of increasing economic efficiency.In addition, in pond, cultivate the effect that duckweed also can play purification and regulation and control water quality.
Duckweed primary growth is on the surface of water body, and the growth water temperature that it is comparatively suitable for is 20-30 DEG C, and duckweed both can be cultivated in existing fish pond, also can be cultivated by special pond.Need to arrange special pond in addition owing to carrying out the cultivation of special pond, and special artificial culture and fishing for will be dropped into throw something and feed, cost is higher, so method seldom adopts, and the method adopting existing fish pond to carry out duckweed cultivation is comparatively general, in the water surface of limpid, low nutrition, duckweed not only poor growth, and fiber, ash and carbohydrate content in its body is high, protein content is low.On the contrary, in the eutrophic water surface, duckweed growth is vigorous, and protein content is high, raw fiber and the ash content of coal low.
At present, duckweed cultivation is carried out and the method for carrying out fish culture is in existing fish pond: after the beginning of spring, before fingerling is thrown in pond, first pond is introduced to the duckweed of some, along with temperature turns warm, quickly, therefore duckweed is just covered with whole pond to duckweed reproduction speed very soon.At this time, when proper temperature, just in pond, throw in fingerling to cultivate, in breeding process, along with the continuous growth of fish, the feed of throwing something and feeding toward pond is also along with increase, this water body tired is tending towards eutrophication more, in theory, this water body is applicable to the duckweed growth in pond very much, duckweed also should corresponding growth very vigorous.But present situation is for a long time, the adult fish culture stage in fishing breeding pond can not see duckweed (unless temporarily again putting duckweed in pond) at all.Its reason is: due to the good palatability of duckweed; along with the continuous growth of fish; owing to lacking relevant safeguard measure to duckweed, the duckweed in whole pond has easily been eaten by fish, causes pond to be difficult to cultivate duckweed continuously while adult fish culture.
For above-mentioned technological deficiency, how enabling pond can also continue to cultivate duckweed while cultured fishes is a problem needing solution badly.
Summary of the invention
The present invention can not continue to cultivate the technological deficiency of duckweed simultaneously in order to overcome existing pond of breeding fish, invent the multi-functional duckweed in a kind of pond and cultivate net cage, it can ensure cultured fishes simultaneously and cultivation duckweed in pond, and can also use as the net cage of supporting temporarily of common fish or ornamental fish, structure is simple, easy to use.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Multi-functional duckweed cultivates net cage in a kind of pond, and it comprises:
Net cage, its upper surface is open surface, and it is provided with sinker;
Buoyancy aid block, it is arranged at described net cage upper end in the mode being surrounded on described net cage upper end-face edge;
Outer hoddy, it is netted lamellar body, and it is connected with described buoyancy aid block and around being layed in around described net cage upper end, and it is provided with float to float on the water surface;
Described net cage is in the acting in conjunction low suspension of described buoyancy aid block and the buoyancy of float and the settling capacity of described sinker water, and the mode that described buoyancy aid block surfaces with the first half floats on the water surface.
Preferably, described sinker is several and hang on the edge of described net cage lower end.
Preferably, described sinker material is stone material or metal.
Preferably, described sinker is fusiformis shape or oval spherical.
Preferably, described float is several and hang on the edge of described outer hoddy.
Preferably, the material of described float is bamboo and wood materials, plastics or rubber.
Preferably, described float is fusiformis shape or oval spherical or spherical.
Preferably, the material of described buoyancy aid block is bamboo and wood materials, plastics or rubber.
Preferably, described buoyancy aid block is that rectangular-shaped floating bar or cylindrical float tube are formed by connecting by some.
Preferably, also comprise a fixture and rest on specific region for the described net cage of restriction.
Preferential, described fixture is at least one and is fixed on the dead lever be fixedly connected with in pond and with described net cage.
Preferably, described fixture comprise at least one block of stone and at least one described stone is connected to the rope on described net cage
Preferably, also comprise a door, it can be covered on described buoyancy aid block upper end.
Preferably, described buoyancy aid block is provided with at least one outwardly foodstuff mouth, and described foodstuff mouth communicates with described net cage open upper end face.
Preferably, described outer hoddy is connected with the upper surface of described buoyancy aid block, and the top of described foodstuff mouth cover by described outer hoddy.
Preferably, described foodstuff mouth is four and is distributed in described buoyancy aid block front, rear, left and right four direction respectively.
The present invention compared with prior art, has following beneficial effect:
1, the multi-functional duckweed in a kind of pond of the present invention cultivates net cage, by the acting in conjunction of buoyancy aid block, float and sinker, net cage is suspended in pond waters to carry out duckweed cultivation, buoyancy aid block and net cage can prevent duckweed from leaving in casing or fish trip network access case, and by arranging outer hoddy, can prevent fish from jumping in net cage, cultured fishes simultaneously can be ensured in pond and and duckweed is cultivated and conservation.
2, a further advantage of the invention is structure simple, suspension effect is good, easy to use, and cost is lower.
3, further advantage is the material of buoyancy aid block and float is bamboo and wood materials, plastics or rubber etc. in the present invention, and sinker material is stone material or metal etc., and it is easily manufactured, and cost is lower.
4, the present invention further advantage be provided with foodstuff mouth for fish duckweed, automatically can feed fish and can protect duckweed again.
5, the present invention further advantage be can also be used for cultivating and fancy fishes such as cultivation goldfish etc., if desired, that also can work as fish supports net cage use temporarily, and its applicability is strong.
6, the present invention further advantage be provided with door, cover in buoyancy aid block upper end so that net cage open surface built by door at strong wind or rain etc. in weather, avoid duckweed all to be scraped by wind and fly or be blown into foodstuff mouth.
7, the present invention further advantage be provided with positioner, it can limit net cage and rest on specific region, avoids net cage arbitrarily to drift about, convenient management.
Accompanying drawing explanation
Accompanying drawing 1 is the perspective view that the multi-functional duckweed in pond of the present invention cultivates net cage;
Accompanying drawing 2 is vertical view of the present invention;
Accompanying drawing 3 is buoyancy aid stop block structure schematic diagram of the present invention;
Wherein:
1, net cage;
2, sinker;
3, outer hoddy;
4, float;
5, foodstuff mouth;
6, buoyancy aid block;
7, rope;
8, stone.
Embodiment
Further describe the present invention referring to accompanying drawing in conjunction with embodiment, to make those skilled in the art can implement according to this with reference to specification word, but be to be understood that protection scope of the present invention by the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, "left", "right", "front", "rear" all with the direction shown in each figure for benchmark, these words being used for limiting direction are only used to be convenient to illustrate, do not represent the restriction to the concrete technical scheme of the present invention.
Embodiment
As depicted in figs. 1 and 2, the multi-functional duckweed in a kind of pond cultivates net cage, and it comprises net cage 1, sinker 2, outer hoddy 3, float 4, foodstuff mouth 5 and buoyancy aid block 6, wherein:
Net cage 1 is in prismatoid shape or cubic, the upper surface of net cage 1 is open surface, and it opens wide using the opening as net cage 1, and other sides are netted, the mesh sheet that net cage 1 can adopt synthetic fibers to weave is sewed up and is formed, for cultivating duckweed in the open surface of net cage 1.
Sinker 2 has several and hang on the four edges edge of net cage 1 lower surface equably, sinker 2 needs for net cage 1 provides enough settling capacities, therefore its material density should be greater than the density of water, the present invention preferably its material is stone material or metal, and sinker 2 is in oval spherical or fusiformis shape, so that binding is arranged on the edge of net cage 1 lower surface, and sinker 2 does not have seamed edge effectively to reduce weares and teares to the netting twine of net cage 1.
Buoyancy aid block 6 is arranged at the upper end of net cage 1 so that the upper end of net cage 1 is surrounded in the mode being surrounded on net cage 1 upper end four edges edge, the front, rear, left and right four direction of buoyancy aid block 6 is respectively arranged with four outwardly foodstuff mouths 5, foodstuff mouth 5 is square-shaped, and former and later two foodstuff mouths 5 are symmetrical, two the foodstuff mouths 5 in left and right are symmetrical, the open surface of foodstuff mouth 5 and net cage 1 upper end.Buoyancy aid block 6 to need to swim on the water surface and provides buoyancy for net cage 1, therefore it should be less than the buoyancy material of the density of water for density, the present invention preferably its material is bamboo and wood materials, foam, plastics or rubber, and its material also can be other composite fibre materials or high molecular polymer.As shown in Figure 3, buoyancy aid block 6 sequentially can be formed by connecting by some float tubes cylindrically or rectangular-shaped floating bar.
Outer hoddy 3 is netted lamellar body, inside it corresponding with net cage 1 upper end and inside it with the connection of float tube block 6, and the lateral extension of outer hoddy 3 launches to be layed on the water surface around net cage 1 open upper end face, edge outside outer hoddy 3 is evenly provided with several floats 4, the material of float 4 is bamboo and wood materials, foam, plastics or rubber, its material also can be other composite fibre materials or high molecular polymer, its profile is fusiformis shape or oval spherical or spherical, float 4 makes outer hoddy 3 keep launching and floating on the water surface so that the water surface near water tank 1 is covered.To need to float on the water surface due to float 4 and provide buoyancy for net cage 1, therefore its material density should be less than the density of water, the present invention preferably its material is bamboo and wood materials, foam, plastics or rubber, and its material also can be other composite fibre materials or high molecular polymer.
The acting in conjunction low suspension of the buoyancy that net cage 1 produces at buoyancy aid block 6 and float 4 and the settling capacity that sinker 2 produces is in water, and buoyancy aid block 6 floats on the water surface so that duckweed is surrounded in the open surface of net cage 1 in the mode that a part surfaces.Drop after outer hoddy 3 can prevent from fish from jumping near net cage 1 getting up and enter in net cage 1.Because the open surface of foodstuff mouth 5 with net cage 1 upper end communicates, duckweed can flow out to foodstuff mouth 5 and eat for fish, and the side of net cage 1 can prevent fish from entering in net cage 1 from foodstuff mouth 5.Outer hoddy 3 also can be set to be connected with the upper surface of buoyancy aid block 1, and the top of foodstuff mouth 3 cover by outer hoddy 3, outer hoddy 3 also can stop fish to jump into net cage 1 from foodstuff mouth 5.When duckweed growth is covered with the open surface of net cage 1, duckweed just can be extruded in foodstuff mouth 5, and simultaneously owing to also floating on the water surface outside outer hoddy 3, therefore outer hoddy 3 can also prevent duckweed toward external diffusion to be concentrated in foodstuff mouth 5 by duckweed.
To be scraped in weather at strong wind or rain etc. for avoiding duckweed and fly and leave net cage 1, one door (figure does not look) also can be set in addition, door both can be netted lamellar body also can be other tabular objects, when needing, to cover in buoyancy aid block 6 upper end so that net cage 1 open surface is built by door, avoid duckweed all to be scraped by wind and fly or be blown into foodstuff mouth 5.
In addition, cultivating and management to facilitate for net cage 1 restriction being rested on specific region, a positioner also can be set and arbitrarily drift about to avoid net cage.Positioner comprises at least one block of heavier stone 8 and at least one and stone 8 is connected to rope 7 on net cage 1, and stone 8 to sink at the bottom of pond and hauls net cage by rope 7, can limit net cage 1 and distally drift about.Positioner can also be some and be fixed on the backstay (scheming not look) be connected in pond and with net cage 1.
Net cage 1, buoyancy aid block 6, outer hoddy 3, float 4 and sinker 2 are connected by netting twine and gang rope by the present invention.When cultivating in the open surface that duckweed is positioned over net cage 1 of the present invention, can prevent from fish from jumping entering in net cage 1 or duckweed leaves net cage 1, and fish only to ingest duckweed by foodstuff mouth 5, can effectively avoid duckweed to be consumed because of excessive the eating of fish.The present invention has good duckweed and cultivates and conservation function, constantly for fish provide edible duckweed, can play again the effect of purification pond water quality.In addition, the present invention also can cultivate and cultivate the fancy fishes such as goldfish, and what also can be used as fish if desired supports net cage operative installations temporarily.
Be only specific embodiments of the invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of, as all protection scope of the present invention fallen into.
Claims (9)
1. the multi-functional duckweed in pond cultivates a net cage, it is characterized in that: it comprises:
Net cage, its upper surface is open surface, and it is provided with sinker;
Buoyancy aid block, it is arranged at described net cage upper end in the mode being surrounded on described net cage upper end-face edge;
Outer hoddy, it is netted lamellar body, and it is connected with described buoyancy aid block and around being layed in around described net cage upper end, and it is provided with float to float on the water surface;
Described net cage is in the acting in conjunction low suspension of described buoyancy aid block and the buoyancy of float and the settling capacity of described sinker water body, and the mode that described buoyancy aid block surfaces with the first half floats on the water surface.
2. the multi-functional duckweed in pond according to claim 1 cultivates net cage, it is characterized in that: described sinker is several and hang on the edge of described net cage lower end.
3. the multi-functional duckweed in pond according to claim 2 cultivates net cage, it is characterized in that: described sinker material is stone material or metal.
4. the multi-functional duckweed in pond according to claim 1 cultivates net cage, it is characterized in that: described float is several and hang on the edge of described outer hoddy.
5. the multi-functional duckweed in pond according to claim 4 cultivates net cage, it is characterized in that: the material of described float is bamboo and wood materials, plastics or rubber.
6. the multi-functional duckweed in pond according to claim 1 cultivates net cage, it is characterized in that: the material of described buoyancy aid block is bamboo and wood materials, plastics or rubber.
7. the multi-functional duckweed in pond according to claim 1 cultivates net cage, it is characterized in that: also comprise a fixture and rest on specific region for the described net cage of restriction.
8. multi-functional duckweed cultivates net cage to the pond according to any one of claim 1-7, it is characterized in that: described buoyancy aid block is provided with at least one outwardly foodstuff mouth, and described foodstuff mouth communicates with the open surface of described net cage upper end.
9. the multi-functional duckweed in pond according to claim 8 cultivates net cage, it is characterized in that: described foodstuff mouth is four and is distributed in described buoyancy aid block front, rear, left and right four direction respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085127.8A CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085127.8A CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
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| Publication Number | Publication Date |
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| CN103798119A CN103798119A (en) | 2014-05-21 |
| CN103798119B true CN103798119B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410085127.8A Expired - Fee Related CN103798119B (en) | 2014-03-10 | 2014-03-10 | Multi-functional duckweed cultivates net cage in pond |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105453939A (en) * | 2016-01-21 | 2016-04-06 | 湖南省森林植物园 | Method for fabricating simple royal water lily cultivation container |
| CN108244002B (en) * | 2018-03-20 | 2023-06-13 | 中冶节能环保有限责任公司 | Ecological method and system for controlling sudden growth of duckweed by using fingerling |
| CN109997671A (en) * | 2019-05-14 | 2019-07-12 | 中铁四川生态城投资有限公司 | A kind of suspension polyculture method of chrysanthemum bladderwort and duckweed |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4536988A (en) * | 1984-01-31 | 1985-08-27 | The Lemna Corporation | Aquatic biomass containment barrier and method of assembling same |
| US5050341A (en) * | 1990-05-02 | 1991-09-24 | Penda Corporation | Thermoplastic aquatic biomass containment barrier with reinforced hinge |
| CN100487198C (en) * | 2007-01-25 | 2009-05-13 | 河北农业大学 | Urban water bank ecological restoration device |
| US9894856B2 (en) * | 2009-04-20 | 2018-02-20 | Parabel Ltd. | Cultivation, harvesting and processing of floating aquatic species with high growth rates |
| DE102009033574B4 (en) * | 2009-07-16 | 2011-07-28 | Rogmans, Maria, 47546 | Method and device for producing biomass |
| CN202272773U (en) * | 2011-08-25 | 2012-06-13 | 上海海洋大学 | Net cage type ecological mattress with adjustable sinking position |
| CN102531183B (en) * | 2012-01-04 | 2013-09-11 | 上海海洋大学 | Method for controlling eutrophication of fish farming area in freshwater cage by floating plants |
| CN102550260B (en) * | 2012-01-30 | 2013-09-18 | 上海海洋大学 | Method of ecological construction of upright revetment-type lakeside zone |
| CN202697336U (en) * | 2012-06-28 | 2013-01-30 | 张朝峰 | Water planting and breeding combined device |
| CN103332790B (en) * | 2013-06-20 | 2014-06-25 | 河海大学 | Light enhancing oxygen-enriched organism structural system for synchronously repairing eutrophicated water bodies in rivers and lakes and sediments in situ |
| CN203708986U (en) * | 2014-03-10 | 2014-07-16 | 广西大学 | Pond multifunctional duckweed cultivation net cage |
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