CN101898834A - Artificially cultivated underwater lawn - Google Patents
Artificially cultivated underwater lawn Download PDFInfo
- Publication number
- CN101898834A CN101898834A CN2010102350092A CN201010235009A CN101898834A CN 101898834 A CN101898834 A CN 101898834A CN 2010102350092 A CN2010102350092 A CN 2010102350092A CN 201010235009 A CN201010235009 A CN 201010235009A CN 101898834 A CN101898834 A CN 101898834A
- Authority
- CN
- China
- Prior art keywords
- adherance
- underwater lawn
- underwater
- lawn
- tame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y02W10/18—
Landscapes
- Cultivation Of Plants (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an artificially cultivated underwater lawn. The invention relates to a method for forming an underwater lawn by cultivating submerged plants on a netlike structural attaching base, wherein the underwater lawn has strong purification effect on water. The artificially cultivated underwater lawn is characterized in that: the artificially cultivated underwater lawn is cultivated by the following steps of: (1) selecting an attaching base which is a structural body with a netlike structure; (2) applying fertilizer; (3) cultivating seeds or buds of the submerged plants on the attaching base; (4) placing the attaching base attached with the seeds or the buds of the submerged plants into a cultivation pool, and cultivating the underwater lawn; and (5) after cultivation forming, spreading the underwater lawn consisting of the submerged plants and the attaching base in an application water body. The artificially cultivated underwater lawn consisting of the submerged plants and the netlike attaching base can be randomly cut and spread in the application water body, and can play a role in purifying the water body and decorating the water bottom.
Description
Technical field
The present invention a kind ofly forms a kind of underwater lawn by submerged plant plantation is adhered to method on the basis at reticulated structure, and this underwater lawn has very strong cleaning action to water quality.Its approach that purifies water has two, an evolution effect that is submerged plant itself to water body, and the 2nd, by attached to the microorganism on submerged plant and the netted adherance, water quality there is extremely strong cleaning action.
Background technology
Submerged plant is generally approved by people the cleaning action of water quality.It not only can pass through N, P in root, stem, the leaf absorption water, reduces the eutrophication degree of water body, can also discharge the material that suppresses the algae reproduction growth, improves water transparency.By kind of a planting submerged plant, administer and pollute, improve water quality, extensively applied to the restoration of the ecosystem in lake, river course; Also being taken as simultaneously ecology, low-carbon (LC), method for saving energy is applied in the middle of landscape water at the bottom of the various soil properties handles.But still nobody can be applied to the cleaning action of submerged plant to water body not have in the water pollution processing at the native hard bottom at present.The invention solves this difficult problem.
Along with the raising of people's living condition, living environment is also required more and more higher, in a lot of residential quarters and some public places, all built the water body of hardgrounds such as some concrete, as people's leisure place.What have has also supported fish such as bright and beautiful carp therein, allows people view and admire.These water body times have been grown, and all can grow algae, and the water body of the feeding of especially breeding fish more can break into a large amount of algal bloom, has polluted water quality environment, has influenced appreciation effect.Be to take method such as power-equipment filtration at present to the treatment process of this class water quality.This is the cost height not only, and routine maintenance current consumption is big, does not meet the notion of " low-carbon (LC), energy-conservation " fully.
Summary of the invention
Goal of the invention of the present invention is: underwater lawn is complete ecological to the cleaning action of water body, utilization only be sun power, also absorbed carbonic acid gas simultaneously by photosynthesis, played the effect that subtracts carbon.The invention solves the hardground water body and can't carry out the problem of purification of water quality with the method for ecology.
For finishing the foregoing invention purpose, the present invention is achieved in that a kind of tame underwater lawn, it is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) seed or the bud of submerged plant are cultivated on this adherance;
(4) will be placed on the cultivation pond with the seed of submerged plant or the adherance of bud, underwater lawn will be cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
The present invention can allow submerged plant be laid in the water body at the hard bottom of not having soil, solving submerged plant can also can grow in the hardground water body, must solve the problem that waterplant root, select the cancellated adherance of having of a kind of artificial production, plant root can be walked arbitrarily therein, cancellated adherance is extraordinary a kind of method.Submerged plant is cultivated after on this adherance, can in the application water body, be laid as required as the lawn.According to various submerged plant root characteristics, the netted root adherance of the different big fine meshes of design.
The time that the cultivation of described underwater lawn in cultivating the pond is shaped can be 15 days～60 days.Mainly be that the depth according to water body decides the underwater lawn length of the cultivation time in cultivating the pond, if answer water deep, the time of cultivation just should be grown a bit accordingly, after cultivating 15 days, can according to circumstances select suitable height that submerged plant is routed to and answer in the water.
Described fertilising can be to fill artificial culture starting stage necessary for plant growth nutritive substance in adherance, also can be nutritive medium to be poured into cultivate in the pond.In adherance, fill necessary nutritive substance of submerged plant initial growth stage (amount of nutritive substance is the key of controlling plant growth, also can not fill, and relies on nutrition or the existing nutrition of plant seed itself in the water).Described nutritive substance is equipped with according to waterplant primary growth needs, is formed by vinasse, soil ulmin, nutrition soil, earth mix.This nutritive substance can will provide the necessary nutrition of plant-growth initial stage, help submerged plant growth.
Do not fill under the situation of nutritive substance in the described cancellated adherance, the nutritive medium of using artificial preparation carries out the waterplant of starting stage and cultivates.The prescription of described nutritive medium is;
Nitre attitude N 80-120mg/l;
Ammonia attitude N 15mg/l;
P 10-30mg/l；
Ca 70-150mg/l；
K 100-200mg/l；
Mg 30-50mg/l；
Fe 5mg/l；
S 50mg/l；
The trace element a little.Plant materials except that elements such as needs potassium, phosphorus, nitrogen as the nutriment, the elements such as iron, boron, arsenic, manganese, copper, cobalt, molybdenum that also need to absorb minute quantity are as nutriment, these requirements are few, but are again the necessary elements of vital movement.
Adherance is put into the water quality at the hard end, sprinkle the seed of submerged plant or hibernaculum in the above and other can develop into a certain weave construction of the plant of waterplant strain body.The growth conditionss that the temperature of giving and being fit to, illumination etc. are necessary allow its germination and growth, and the control depth of water must not be as the criterion less than the height of plant with the depth of water, utilizes the present invention batch production to produce underwater lawn.
Such scheme is done further refinement: described cancellated adherance can be reduced arbitrarily.The depth of water of described application water body must not be less than the height of plant.Can come at random the size of cancellated adherance to be reduced according to the size of laying the place, the arbitrariness height can optionally be selected the size of adherance according to characteristics.According to these characteristics of submerged plant evolution water quality, submerged plant must be planted under water, this has just determined that the depth of water of application water body must not be less than the height of plant.Technology of the present invention is simple and convenient, and cost is low, and is effective to the evolution of water quality, and can be applied to does not especially have in the water body at the native hard bottom.
Useful effect of the present invention is: the tame underwater lawn that this submerged plant and netted adherance are formed, can reduce arbitrarily to be laid on and use in the water body, it not only can play cleaning action to water body, also decoration function is played at the bottom, and underwater lawn provides people good visual effect.
A kind of tame underwater lawn is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) adherance is placed in the cultivation pond;
(4) seed or the bud of submerged plant are cultivated on this adherance, underwater lawn is cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
After earlier being placed on adherance in the water, seed or bud cultivation with submerged plant mainly is because seed of submerged plant or bud are put into water after formerly being placed on the adherance again at adherance again, may cause seed or the position of bud on adherance of submerged plant to be moved, and produce the phenomenon of density unevenness.
The invention solves the hardground water body and can't carry out the problem of purification of water quality with the method for ecology.The present invention can be applied to soft water body equally, and is convenient because it is laid, and takes out simple.Manually can very easily control.Utilize the present invention can make up the waters ecosystem easily.By various waterplant of reasonable proportioning and animal, form ecological chain.Make up an equilibrated ecosystem.Underwater lawn among the present invention plays a part the producer in ecological chain, oxygen supply in water simultaneously.
Embodiment
A kind of tame underwater lawn is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) seed or the bud of submerged plant are cultivated on this adherance;
(4) will be placed on the cultivation pond with the seed of submerged plant or the adherance of bud, underwater lawn will be cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
The present invention can allow submerged plant be laid in the water body at the hard bottom of not having soil, solving submerged plant can also can grow in the hardground water body, must solve the problem that waterplant root, select the cancellated adherance of having of a kind of artificial production, plant root can be walked arbitrarily therein, cancellated adherance is extraordinary a kind of method.Submerged plant is cultivated after on this adherance, can in the application water body, be laid as required as the lawn.According to various submerged plant root characteristics, the netted root adherance of the different big fine meshes of design.
The time that the cultivation of described underwater lawn in cultivating the pond is shaped can be 15 days～60 days.Mainly be that the depth according to water body decides the underwater lawn length of the cultivation time in cultivating the pond, if answer water deep, the time of cultivation just should be grown a bit accordingly, after cultivating 15 days, can according to circumstances select suitable height that submerged plant is routed to and answer in the water.
Described fertilising can be to fill artificial culture starting stage necessary for plant growth nutritive substance in adherance, also can be nutritive medium to be poured into cultivate in the pond.In adherance, fill necessary nutritive substance of submerged plant initial growth stage (amount of nutritive substance is the key of controlling plant growth, also can not fill, and relies on nutrition or the existing nutrition of plant seed itself in the water).Described nutritive substance is equipped with according to waterplant primary growth needs, is formed by vinasse, soil ulmin, nutrition soil, earth mix.This nutritive substance can will provide the necessary nutrition of plant-growth initial stage, help submerged plant growth.
Do not fill under the situation of nutritive substance in the described cancellated adherance, the nutritive medium of using artificial preparation carries out the waterplant of starting stage and cultivates.The prescription of described nutritive medium is;
Nitre attitude N 80-120mg/l;
Ammonia attitude N 15mg/l;
P 10-30mg/l；
Ca 70-150mg/l；
K 100-200mg/l；
Mg 30-50mg/l；
Fe 5mg/l；
S 50mg/l；
The trace element a little.Plant materials except that elements such as needs potassium, phosphorus, nitrogen as the nutriment, the elements such as iron, boron, arsenic, manganese, copper, cobalt, molybdenum that also need to absorb minute quantity are as nutriment, these requirements are few, but are again the necessary elements of vital movement.
Adherance is put into the water body at the hard end, sprinkle the seed of submerged plant or hibernaculum in the above and other can develop into a certain weave construction of the plant of waterplant strain body.The growth conditionss that the temperature of giving and being fit to, illumination etc. are necessary allow its germination and growth, and the control depth of water must not be as the criterion less than the height of plant with the depth of water, utilizes the present invention batch production to produce underwater lawn.Such scheme is done further refinement: described cancellated adherance can be reduced arbitrarily.The depth of water of described application water body must not be less than the height of plant.Can come at random the size of cancellated adherance to be reduced according to the size of laying the place, the arbitrariness height can optionally be selected the size of adherance according to characteristics.According to these characteristics of submerged plant evolution water quality, submerged plant must be planted under water, this has just determined that the depth of water of application water body must not be less than the height of plant.Technology of the present invention is simple and convenient, and cost is low, and is effective to the evolution of water quality, and can be applied to does not especially have in the water body at the native hard bottom.
A kind of tame underwater lawn is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) adherance is placed in the cultivation pond;
(4) seed or the bud of submerged plant are cultivated on this adherance, underwater lawn is cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
After earlier being placed on adherance in the water, seed or bud cultivation with submerged plant mainly is because seed of submerged plant or bud are put into water after formerly being placed on the adherance again at adherance again, may cause seed or the position of bud on adherance of submerged plant to be moved, and produce the phenomenon of density unevenness.
The application of underwater lawn:
(1) is layed in the water body at any hard bottom, purifies water, improve cell environment.
(2) utilize this underwater lawn to be equipped with the ecosystem that hydrocoles makes up little water body for the basis.
(3) underwater lawn that utilizes the present invention to plant is laid on and views and admires in the bathtub, can purify water, and improves appreciation effect
Useful effect of the present invention is: the tame underwater lawn that this submerged plant and netted adherance are formed, can reduce arbitrarily to be laid on and use in the water body, it not only can play cleaning action to water body, also decoration function is played at the bottom, and underwater lawn provides people good visual effect.
The invention solves the hardground water body and can't carry out the problem of purification of water quality with the method for ecology.The present invention can be applied to soft water body equally, and is convenient because it is laid, and takes out simple.Manually can very easily control.Utilize the present invention can make up the waters ecosystem easily.By various waterplant of reasonable proportioning and animal, form ecological chain.Make up an equilibrated ecosystem.Underwater lawn among the present invention plays a part the producer in ecological chain, oxygen supply in water simultaneously.
The present invention can also be applied in the various Shui nationality viewing cylinders (case).Improve water quality in the cylinder, increase appreciation effect simultaneously.
The invention solves the hardground water body and can't carry out the problem of purification of water quality with the method for ecology.The present invention can be applied to soft water body equally, and is convenient because it is laid, and takes out simple.Manually can very easily control.Utilize the present invention can make up the waters ecosystem easily.By various waterplant of reasonable proportioning and animal, form ecological chain.Make up an equilibrated ecosystem.Underwater lawn among the present invention plays a part the producer in ecological chain, oxygen supply in water simultaneously.
Can be as required after will cultivating submerged plant in the pond and being transplanted in the water body of application, in the water body of using, add suitable earth, if the water pollution of using is more serious, underwater lawn can utilize these pollutent growths, thereby plays the effect that purifies water.Needs according to growth or transplanting can no longer provide nutritive substance or nutritive medium after 15 days.Like this, the plant that has been shaped just no longer grows up, and so can survive but appoint.After application, can be as required, control its growth or do not grow, can or utilize the pollutent in the water body just can grow at the underneath point on lawn soil, after after a while, underwater lawn may grow tall in the application water body, but must soak the needs of growth in water according to underwater lawn, can prune underwater lawn, but must keep certain-length after pruning, cannot all slice off.
Claims (7)
1. tame underwater lawn, it is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) seed or the bud of submerged plant are cultivated on this adherance;
(4) will be placed on the cultivation pond with the seed of submerged plant or the adherance of bud, underwater lawn will be cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
2. tame underwater lawn according to claim 1 is characterized in that: described fertilising can be to fill artificial culture starting stage necessary for plant growth nutritive substance in adherance, also can be nutritive medium to be poured into cultivate in the pond.
3. tame underwater lawn according to claim 2 is characterized in that: described nutritive substance is equipped with according to waterplant primary growth needs, is formed by vinasse, soil ulmin, nutrition soil, earth mix.
4. tame underwater lawn according to claim 2 is characterized in that: the prescription of described nutritive medium is;
Nitre attitude N 80-120mg/l;
Ammonia attitude N 15mg/l;
P 10-30mg/l；
Ca 70-150mg/l；
K 100-200mg/l；
Mg 30-50mg/l；
Fe 5mg/l；
S 50mg/l；
The trace element a little.
5. tame underwater lawn according to claim 1 is characterized in that: the time that the cultivation of described underwater lawn in cultivating the pond is shaped can be 15 days～60 days.
6. tame underwater lawn according to claim 1 is characterized in that: described cancellated adherance can be reduced arbitrarily.
7. tame underwater lawn, it is characterized in that: the cultivation step of described tame underwater lawn is as follows;
(1) select adherance, adherance is to be cancellated structure;
(2) fertilising;
(3) adherance is placed in the cultivation pond;
(4) seed or the bud of submerged plant are cultivated on this adherance, underwater lawn is cultivated;
(5) after cultivation is shaped, just the underwater lawn of being made up of submerged plant and adherance can be laid on and uses in the water body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102350092A CN101898834A (en) | 2010-07-23 | 2010-07-23 | Artificially cultivated underwater lawn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102350092A CN101898834A (en) | 2010-07-23 | 2010-07-23 | Artificially cultivated underwater lawn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101898834A true CN101898834A (en) | 2010-12-01 |
Family
ID=43224817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102350092A Pending CN101898834A (en) | 2010-07-23 | 2010-07-23 | Artificially cultivated underwater lawn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101898834A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172154A (en) * | 2011-02-25 | 2011-09-07 | 北京市水利科学研究所 | Method for culturing submerged plant seeds |
| CN102329001A (en) * | 2011-06-22 | 2012-01-25 | 上海太和水环境科技发展有限公司 | Modular waterweed planting method and waterweed culture module in underwater ecological restoration |
| CN102498910A (en) * | 2011-11-21 | 2012-06-20 | 中国科学院水生生物研究所 | Preparation method of submerged vegetation patch |
| CN103109656A (en) * | 2012-12-11 | 2013-05-22 | 镇江山水湾生态农业开发有限公司 | Submerged plant underwater turf cultivation structure and submerged plant underwater turf planting method |
| CN105393908A (en) * | 2015-11-16 | 2016-03-16 | 水生藻安生物科技（武汉）有限公司 | Rapid modularization planting method for submerged plant tissue culture seedlings and modularization combination |
| CN114946557A (en) * | 2022-05-27 | 2022-08-30 | 沧州临港海益水产养殖有限公司 | Aquatic ditch grass plant planting propagation-expanding cultivation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10147939A (en) * | 1996-11-20 | 1998-06-02 | Takenaka Komuten Co Ltd | Planting base board establishing method and planting block |
| JPH1121855A (en) * | 1997-07-02 | 1999-01-26 | Muneo Hiratani | Environmental maintenance block |
| CN1349024A (en) * | 2000-12-26 | 2002-05-15 | 吉林省吉水土工合成材料研究所 | Plant/concrete block and its making process |
| CN1560377A (en) * | 2004-02-19 | 2005-01-05 | 中国水利水电科学研究院 | Flexible revetment for protecting bank |
| CN101487242A (en) * | 2009-02-23 | 2009-07-22 | 河海大学 | Ecological shore protection system with plant-replaceable carrier |
-
2010
- 2010-07-23 CN CN2010102350092A patent/CN101898834A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10147939A (en) * | 1996-11-20 | 1998-06-02 | Takenaka Komuten Co Ltd | Planting base board establishing method and planting block |
| JPH1121855A (en) * | 1997-07-02 | 1999-01-26 | Muneo Hiratani | Environmental maintenance block |
| CN1349024A (en) * | 2000-12-26 | 2002-05-15 | 吉林省吉水土工合成材料研究所 | Plant/concrete block and its making process |
| CN1560377A (en) * | 2004-02-19 | 2005-01-05 | 中国水利水电科学研究院 | Flexible revetment for protecting bank |
| CN101487242A (en) * | 2009-02-23 | 2009-07-22 | 河海大学 | Ecological shore protection system with plant-replaceable carrier |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172154A (en) * | 2011-02-25 | 2011-09-07 | 北京市水利科学研究所 | Method for culturing submerged plant seeds |
| CN102172154B (en) * | 2011-02-25 | 2013-02-27 | 北京市水利科学研究所 | Method for culturing submerged plant seeds |
| CN102329001A (en) * | 2011-06-22 | 2012-01-25 | 上海太和水环境科技发展有限公司 | Modular waterweed planting method and waterweed culture module in underwater ecological restoration |
| CN102498910A (en) * | 2011-11-21 | 2012-06-20 | 中国科学院水生生物研究所 | Preparation method of submerged vegetation patch |
| CN103109656A (en) * | 2012-12-11 | 2013-05-22 | 镇江山水湾生态农业开发有限公司 | Submerged plant underwater turf cultivation structure and submerged plant underwater turf planting method |
| CN105393908A (en) * | 2015-11-16 | 2016-03-16 | 水生藻安生物科技（武汉）有限公司 | Rapid modularization planting method for submerged plant tissue culture seedlings and modularization combination |
| CN105393908B (en) * | 2015-11-16 | 2018-07-31 | 水生藻安生物科技（武汉）有限公司 | The method and modular combination of the quick modularization plantation of submerged plant tissue-cultured seedling |
| CN114946557A (en) * | 2022-05-27 | 2022-08-30 | 沧州临港海益水产养殖有限公司 | Aquatic ditch grass plant planting propagation-expanding cultivation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104430079B (en) | Vegetable, Oryza sativa L., flower planting support, with net cage set, the apparatus and method combined | |
| CN102204484B (en) | Submerged plant propagating and culturing device and propagating and culturing method utilizing same | |
| CN104098187A (en) | Solar micro-power self-watering dry type ecological floating island | |
| CN104160864A (en) | Movable submerged plant lawn block production method | |
| CN102282999A (en) | Underwater turf planting method for modularized submerged plants | |
| CN101898834A (en) | Artificially cultivated underwater lawn | |
| CN101822201A (en) | Rhododendron delavayi float seedling method | |
| CN105432410A (en) | Peat soil and hokutolite complex culture medium for southern magnolia and preparation method thereof | |
| CN102487861A (en) | High-yield high-efficiency technology for cultivating sinonovacula constricta in pond | |
| CN104488480A (en) | Cultivation method for flowers on water | |
| CN204490613U (en) | Based on the short underwater lawn modular system without flower eel grass | |
| CN101990833A (en) | Submerged plant seedling-raising device and application thereof in biologic ecosystem restoration of water body | |
| CN115490333A (en) | Construction method for ecological restoration and landscape improvement of eutrophic water body | |
| CN102783334B (en) | A kind of aquatic culture method for wild trident maple plant stump bonsai | |
| CN203985221U (en) | Removable submerged plant lawn piece implant bed | |
| CN102633367A (en) | Ecological restoration method for treating eutrophic water body by utilizing Nuphar sinensis | |
| CN109329131B (en) | Green low-carbon cultivation method for mangrove forest region | |
| CN109430120B (en) | Method for breeding big-elastic mudskipper by utilizing mariculture wastewater in mangrove forest area | |
| CN106576809A (en) | Method for lowering heavy-metal lead-cadmium content of Ipomoea aquatica | |
| CN1745619A (en) | Cultivation of Chinese yew | |
| CN103039350B (en) | Seedling cultivating method for improving emergence rate and growth rate of sargassum thunbergii | |
| CN111557206B (en) | Method for cultivating Kandelia candel seedlings by using culture tail water | |
| CN104770285A (en) | Zostera marina young seedling manual culture method | |
| CN103693744B (en) | The method of willow part waterflooding method purification eutrophic water body and application | |
| CN103053310B (en) | Method for cultivating vallisneria natans seedlings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20101201 |