WO2000004757A1 - Milieux artificiels aqueux - Google Patents
Milieux artificiels aqueux Download PDFInfo
- Publication number
- WO2000004757A1 WO2000004757A1 PCT/JP1999/003967 JP9903967W WO0004757A1 WO 2000004757 A1 WO2000004757 A1 WO 2000004757A1 JP 9903967 W JP9903967 W JP 9903967W WO 0004757 A1 WO0004757 A1 WO 0004757A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- polymer
- aqueous
- artificial medium
- absorbing polymer
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
Definitions
- the present invention relates to an aqueous artificial medium suitable as a medium instead of soil for plants such as potted plants and cut flowers.
- water-absorbing polymers in plant media is already known.
- a polymer such as cross-linked polyacrylate, starch / polyacrylate, etc. is mixed with a part of the soil to form a medium, but in order to obtain a medium suitable for plant cultivation, It is particularly necessary that the water retention and water supply provided by the water-absorbing polymer be balanced. From these viewpoints, a water-absorbing polymer having improved performance has recently been proposed.
- JP-A-8-256592 teaches an artificial medium containing 0.3 to 10% by weight of a crosslinked homopolymer or copolymer of N-vinylcarboxylic acid amide. These polymers balance water retention and water supply to plants and are said to have no effect on plant growth.
- Japanese Patent Application Laid-Open No. 8-266147 discloses that a medium containing a cross-linked polymer having a temperature-dependent equilibrium water absorption, such as a poly-N-substituted (meth) acrylamide derivative, in an amount of about 0.1 to 10% by weight is used. It discloses the adjustment of water supply according to changes.
- a water-absorbing polymer especially a polyacrylic acid-based anionic water-absorbing polymer
- the polyacrylic acid remaining as soluble generally has an adverse effect on plants, and tends to cause poor growth.
- waste from plant bodies and tap water It is known that the growth of colloid particles and bacterial cells inhibits the growth of cut flowers.However, an artificial medium consisting only of a water-absorbing polymer is not sufficient for such problems, and it grows as well as soil It was difficult to obtain sex. Disclosure of the invention
- the present invention provides an aqueous artificial medium and a polymer composition comprising 0.01 to 10% by weight of a water-absorbing polymer and 0.001 to 10% by weight of a cationic polymer. Further, the present invention provides an aqueous artificial medium and a polymer composition comprising a porous water supply support having communication holes. When the remainder is water, tap water is usually used, but pure water or ion-exchanged water can also be used.
- the water-absorbing polymer is selected from an anionic polymer, a nonionic polymer, and a mixture thereof.
- a porous water supply support having communication holes may be contained.
- the ratio by weight of water-absorbing polymer: cationic polymer may be 1: 0.01 to 1:10. May further include fertilizer.
- the present invention relates to a method for growing a plant in an aqueous artificial medium containing 0.01 to 10% by weight of a water-absorbing polymer and 0.001 to 10% by weight of a cationic polymer, and a polymer comprising a water-absorbing polymer and a cationic polymer.
- a use of the composition in an aqueous artificial medium is provided.
- the present invention provides a polymer composition for an aqueous artificial medium, comprising a water-absorbing polymer and a cationic polymer in a weight ratio of 1: 0.01 to 1:10, wherein the weight ratio of the water-absorbing polymer to the cationic polymer is 1: 0.01 to
- An aqueous artificial medium material comprising a polymer composition for an aqueous artificial medium containing 1:10 and a porous water supply support having communication holes.
- BEST MODE FOR CARRYING OUT THE INVENTION The water-absorbing polymer used in the present invention is obtained by slightly cross-linking (three-dimensionally) a water-soluble resin to make it insoluble in water, and is generally an anionic polymer or a nonionic polymer.
- anionic polymers examples include polyacrylates, isobutylene nomaleate, starch / polyacrylate, vinyl alcoholnoacrylate, carboxymethylcellulose, acrylate / acrylamide, and acetic acid. Saponified vinylyl acrylate, polyacrylonitrile, starch Z acrylonitrile graft polymer, polysaccharide acrylate, alginate, polysulfonate, and vinyl acetate acrylate copolymer And saponified compounds.
- One or more of these polymers can be used as a mixture. These are generally in powdered or fibrous form, and may take the form of composite fibers such as polyacrylonitrile inner core Z polyacrylate skin.
- nonionic polymer examples include polyvinyl alcohol, starch Z polyacrylonitrile, polyoxyethylene, vinyl acetate Z maleic anhydride, poly (N-vinylacetamide), and polyacrylamide. One or more of these can also be used as a mixture, and generally have a powdery or fibrous product form.
- water-absorbing polymers those based on polyacrylates, isobutylene maleate, starch polyacrylate, polyvinyl alcohol, vinyl acetate Z maleic anhydride, poly N-acetoamide Is preferred. More preferably, from the viewpoints of water absorption, water retention, water permeability, etc. Vinyl alcohol, vinyl acetate, maleic anhydride, and poly N-acetamide water-absorbing polymers are used.
- the amount of water-absorbing polymer used is the minimum amount that can hold water, that is, from 0.01% to 10% by weight. If the amount is less than 0.01% by weight, the water-absorbing polymer becomes liquid without solidifying. On the other hand, if it exceeds 10% by weight, the water absorption is too strong, the water release is weak, and the plant does not grow easily.
- the amount of water-absorbing polymer used is between 0.1 and 10% by weight.
- the cationic polymer any cationic polymer which is soluble or insoluble in an aqueous solution or an aqueous salt solution can be used. Examples of the soluble one include cationized cellulose, cationized starch, cationized chitosan, cationized polyvinyl alcohol, and cationized guar gum.
- Acid ester polymer for example, Amberlite IRA-458: manufactured by Organo Co., Ltd.
- styrene polymer modified with a group having a quaternary ammonium salt styrene / divinyl modified with a group having a quaternary ammonium salt
- Benzene copolymers for example, Diaion series: manufactured by Mitsubishi Chemical Co., Ltd., Amberlite series: manufactured by Organo Co., Ltd., Dowex series: manufactured by Dow Chemical Co., Duolite series: manufactured by Chemical Process Co.
- an anion exchange resin When used as the cationic polymer, its structure may be any of gel type and MR (giant network structure) type.
- the counter ion may be either OH type or C1 type. Total ion exchange capacity should exceed 2.0 mg equivalent Z dry resin 1 g Good. Further, a porous anion exchange resin is preferable.
- anion exchange resins examples include Amberlite IRA-67 (manufactured by Organo Corporation, total ion exchange capacity: 5.6 mg equivalent, dry resin: 1 g), Dowex MSA-1 (manufactured by Dow Chemical Co., total ion exchange capacity: 4.2 mg equivalent / dry resin 1 g), Duolight A-101D (Chemical Process Co., total ion exchange capacity 4.1 mg equivalent / dry resin 1 g), Amberlite IRA-904, Amberlite XT5007 (both from Organo Corporation) And Porous) and Diaion (porous, manufactured by Mitsubishi Kasei) can be used.
- the amount of the cationic polymer used is 0.001 to 10% by weight. If the amount is less than 0.001% by weight, the toxicity of the water-absorbing polymer cannot be removed, and the effect of addition cannot be obtained. If it exceeds 10% by weight, the growth of the plant may be adversely affected.
- the amount of the cationic polymer used is preferably from 0.01 to 7% by weight, particularly preferably from 0.1 to 5% by weight, from the viewpoint that the addition effect is sufficiently exhibited and the plant growth is improved.
- the addition ratio of the water-absorbing polymer to the cationic polymer is preferably in the range of water-absorbing polymer 1: cationic polymer 1: 0.0] to 1:10 by weight. More preferably, the ratio is 1: 0.1 to 1: 5, particularly preferably 1: 0.1 to 1: 2. When the ratio is within this range, the effect of adding the cationic polymer is sufficiently exerted, and the viability of the plant is remarkably increased. improves.
- the aqueous artificial medium of the present invention can be prepared by adding a required amount of water to the water-absorbing polymer and the cationic polymer. When adding water, it is preferable to perform gentle stirring.
- the aqueous artificial medium can further contain a surfactant.
- a surfactant a nonionic surfactant, an anionic surfactant, a cationic surfactant or an amphoteric surfactant, or a mixture thereof can be used.
- Surfactants are preferably used in amounts of 0.0001 to 20% by weight, especially 0.001 to 1% by weight. Good.
- nonionic surfactant examples include polyoxyalkylene alkyl or alkenyl ether such as polyoxyethylene lauryl ether and polyoxyethylene oleyl ether; polyoxyalkylene alkyl aryl ether; polyoxyalkylene alkyl aryl ether formaldehyde condensation Polyoxyalkylene aryl ether; Sorbine fatty acid ester; Polyoxyalkylene sorbitan fatty acid ester; Polyoxyalkylene sorbitol fatty acid ester; Glycerin fatty acid ester; Polyoxyalkylene glycerin fatty acid ester; Polyoxyalkylene fatty acid ester; Oxyalkylene block copolymer; polyoxyalkylene block copolymer dalyserin fatty acid ester; polyoxyalkyl poly Glycosidic; polyoxyalkylene alkyl polyglycoside; poly O carboxymethyl ethylene alkyl amine, polyoxyethylene hardened castor oil; Arukirua Luke alkan
- cationic surfactants include: monoalkyl primary amines; monoalkyl di-lower alkyl amines; dialkyl mono-lower alkyl amines; evening monoamine ethylene oxide adducts, oleylamine ethylene oxide adducts, soil amine ethylene oxide adducts Alkylamine ethylene oxide adducts such as cocoamine ethylene oxide adducts, synthetic alkylamine ethylene oxide adducts, octylamine ethylene oxide adducts; alkylamine propylene oxide adducts; Alkanolamine fatty acid esters such as triethanolamine difatty acid ester; alkanolamine fatty acid ester alkylene oxide adduct Ether ethers; ether amine alkylene oxide adducts; salts of these acid salts (for example, salts with inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, or salts with organic acids
- anionic surfactants typical ones can be obtained in an aqueous solution or in a solid state, and examples thereof include fatty acids such as caprylic acid, lauric acid, stearic acid, oleic acid, and salts thereof, and salts thereof.
- Polycarboxylates alkyl benzene sulfonates; alkyl naphthalene sulfonates; naphthylene sulfonic acid formalin condensates; alkyl sulfosuccinates; hydroxyalkane sulfonates; alkene sulfonates; Acid salts: poly-acyl-methyl-taurate; mono- or dialkyl sulfates such as sodium lauryl sulfate and triethanolamine lauryl sulfate; polyoxyalkylene mono- or dialkyl ether sulfates; polyoxyalkylene alkyl aryl ether sulfate Salt; alkyl diphenyl Alkyl ether phosphate; polyoxyalkylene alkyl ether phosphate; polyoxyalkylene alkyl aryl ether phosphate; polyoxyalkylene ether acetic acid or a salt thereof; A chain or branched-chain alkylamide
- amphoteric surfactants examples include lauryl dimethyl amine oxide, trade name Armox C / 12, imidazolininium betain (trade name Milanol), alkyl betaine, trade name The name Lonzaine is a mixture of these.
- cationic surfactants and nonionic surfactants are preferably used, and more preferably, cationic surfactants are used.
- the aqueous artificial medium can further contain "a porous water supply support having a communication hole".
- the “porous water supply support having a communication hole” has a water-incorporating ability and a sustained-release ability, and has a strength capable of fixing and supporting a plant by inserting a natural product or a synthetic product.
- a resin foam is particularly preferable.
- the resin include a urethane resin, a phenol resin, a polyester resin, and a urea resin, and a resin resin, a resin resin, a phenol resin, and a polyester resin are preferable.
- the urethane resin is preferably an open-cell foam having communicating holes (for example, an open-cell foam disclosed in JP-A-49-63796, a urethane foam which is communicated in the same direction as disclosed in JP-A-56-143227).
- the urethane foam may be rigid, semi-rigid, or soft, but a rigid urethane foam having a communication hole is preferable.
- urethane which has been subjected to a hydrophilic treatment such as a hydrophilic urethane foam disclosed in JP-A-48-94797 is preferable.
- urethanes having excellent biodegradability such as urethanes described in JP-A-9-12588, are preferred.
- phenol resin a water-absorbing phenol resin foam as disclosed in JP-A-8-157634 and JP-A-7-207058 is preferred. It is preferable to use a fibrous polyester resin, for example, water-retentive, air-permeable polyester fibers for plant cultivation used in JP-A-53-33836.
- urea resin examples include a urea resin composition for a water-absorbent foam described in JP-A-9-176360.
- the amount of water supply support used is in the range from 0.01 to 50% by weight, preferably from 0.05 to 20, particularly preferably from 0.1 to 10% by weight. Within this range, both the plant supporting effect and the water supply effect are excellent.
- the plant support of the present invention is characterized in that both the water-absorbing polymer and the water-supply support hold water. As a result, water evaporation can be prevented, the total water content can be maintained, and when plants absorb water from the water supply support, the water is further transferred from the water-absorbing polymer to the water supply support.
- the volume ratio of the water-absorbing polymer and the water-supplying support is about 1/9 to 9/1 in a state of being impregnated with water.
- the water supply to the plant is easier from the water supply support than from the water-absorbing polymer. Therefore, according to the plant support of the present invention, the water-absorbing polymer alone or mainly containing the water-absorbing polymer is used. Good growth is possible compared to conventional artificial media.
- the plant can be sufficiently supported by the water supply support, and the plant grows and exerts sufficient effects on large plants.
- the relationship between the two is, for example, that (a) the two-layer type, the upper layer is the polymer composition and the lower layer is the support, and (b) the polymer composition and the support are uniformly dispersed. And the like.
- the aqueous artificial medium can further contain a fertilizer component.
- Fertilizer components include nitrogenous fertilizers, phosphate fertilizers, potash fertilizers, organic fertilizers, compound fertilizers, calcareous fertilizers, silicate fertilizers, masonry fertilizers, manganese fertilizers, boronaceous fertilizers, and microelement composites. Examples include ordinary fertilizers such as fertilizers and other special fertilizers.
- These fertilizer components are liquid or solid, such as powder, and are added to the water-absorbing polymer together with the cationic polymer, or contained in the water injected into the water-absorbing polymer, to form an aqueous artificial medium. Can be present.
- the aqueous artificial medium of the present invention can further contain one or more of a freshness preserving agent, a vitalizing agent, a preservative, an insecticide, a soil modifying agent, a plant hormone agent, a polymer degradation inhibitor and the like. These components can also be added to the water-absorbing polymer when adding the cationic polymer, or can be contained in the water injected into the water-absorbing polymer.
- preservatives include inorganic substances such as ozone such as ozone and sodium hypochlorite.
- Chlorine compounds such as trim, iodine compounds such as iodine, peroxides such as aqueous hydrogen peroxide, boron compounds such as sodium borate, copper compounds such as copper sulfate, zinc compounds such as zinc sulfate, lime polysulfide, etc.
- Examples include zeolite-based, calcium-based such as calcium oxide, and silver-based such as silicofluoride-natrium and thiosulfite silver complexes.
- Natural extracts include Hinokitiol, Moso bamboo, and creosote oil.
- Organic and aliphatic compounds include organic tin compounds, cyclopentane derivatives, halogen derivatives, monohydric alcohols, dihydric alcohol derivatives, saturated aldehydes, saturated monocarboxylic acids, unsaturated monocarboxylic acids, unsaturated ethers, lactones, Secondary amines, amino acid derivatives, sulfonic acid derivatives, hydroxamic acid derivatives, cyanuric acid derivatives, cyanic acid derivatives, thiocarbamide derivatives, guanidine derivatives, hydantoins, dithiols, arsine derivatives, phosphate esters and the like.
- Organic and aromatic compounds include carbonates,
- Quaternary ammonium salt monoamine derivative, diamine derivative, hydroxylamine derivative, anilide derivative, nitrile derivative, imidazole derivative, benzothiazole derivative, isothiazole derivative, thiadiazole derivative, triazine derivative, guanidine derivative, pyridine derivative, pyrazo Mouth pyridine derivative, benzofuran derivative, monocyclic hydrocarbon derivative, octogenobenzene derivative, sulfone derivative, benzenesulfonic acid derivative, mercaptocarboxylic acid derivative, hydroxycarboxylic acid derivative, monovalent phenol derivative, divalent phenol derivative, phenol ether derivative , Phenol ester derivatives, halogenophenol derivatives, phenyl derivatives, biphenyl, monovalent naphthol, naphthalene derivatives, pyrol derivatives, quinone derivatives There are conductors, quinoline derivatives, isoquinoline derivatives, organophosphate derivatives and the like.
- any preservative that does not harm the plant can be used.
- quaternary ammonium salts such as sodium hypochlorite, sodium borate, silver thiosulfite complex, benzalkonium chloride, and 1,2-benzisothia
- benzothiazole derivatives such as zolin-3-one and quinoline derivatives such as hydroxyquinoline salt.
- Polymer degradation inhibitors include phenol-based radical scavengers, aromatic amine-based compounds, hindered amine-based compounds, and antioxidants such as thioether-based antioxidants, phosphorus-based antioxidants, phenol-based antioxidants, and ultraviolet absorbers.
- Benzotriazoles, benzophenones, salicylates, cyanoacrylates, quenchers include nickel complexes, and light shielding agents include titanium oxide and alumina.
- the aqueous artificial medium of the present invention can be an artificial medium in the form of a mixture with at least one of soil, sand, inorganic substances, a support, and the like. Even in such a case, the aqueous artificial medium of the present invention has a better effect on plants than conventional water-absorbing polymers, and is therefore more preferable for plants than conventional water-absorbing polymer-containing media.
- the mixing ratio of the aqueous artificial medium of the present invention to soil and the like is not particularly limited.For example, in the case of cultivation of a potted plant, the aqueous artificial medium is used in a volume ratio of about 0.1 to 1.0. be able to.
- the soil includes Akadama soil, black soil, beet moss, culture soil, mulch, lime, Kanuma soil, mountain moss, Hyuga soil, water moss, and keto soil.
- Sand and minerals include river sand, mountain sand, Yahagi sand, Kiryu sand, Fuji sand, Asahi sand, and porous minerals such as crushed stone, vermiculite, perlite, zeolite, osmanda, slag, pumice, masonry lime, and dream ball. , Fume ash, volcanic ash, etc., but not limited thereto.
- a support is a substrate that can be a support for fertilizers, fresheners and other additives, such as sawdust, pulp, paper, corrosive soil, chips, dust, bark, rice straw, straw, vermiculite, rock wool. , Gypsum, porous ceramics and the like.
- Industrial applicability As described above, according to the present invention, an aqueous artificial medium useful for growing plants is provided. This aqueous artificial medium is useful for growing potted plants, germinating seeds, rooting, growing, maintaining freshness of cut flowers and extending their life, and is applicable to all plants that can be cultivated in soil or hydroponics. is there.
- a water-absorbing polymer selected from the following a to g was added to a hydroponic cultivation container in such an amount that water absorption capacity (weight ratio) indicated for each of them when tap water was added.
- cationic polymer 1. cationized cellulose (manufactured by Amacol, polymer JR-400), 2. quaternized styrene (trade name: Amber, manufactured by Organo Corporation) 1 Light XT5007], 3. Cationized cellulose (Amakor, polymer JR-400) and quaternized styrene [Amberlite XT5007, trade name, manufactured by Organo Co., Ltd.] It was added so as to be 5000 ppm (3 was 2500 ppm each).
- a growth maintenance test of a plant with roots was performed for each of them.
- the soil was carefully washed away with running water so as not to damage the roots, and transplanted to a 300 ml hydroponic culture container containing an aqueous artificial medium.
- the plants were then grown at a temperature of 20 ° C, a humidity of 60% and an illuminance of 10,000 lux.
- the periphery of the plant was sealed so that water did not evaporate except from the plant, the total weight of the plant and the cultivation vessel was measured over time, and the amount of transpiration by the plant was measured.
- the amount of transpiration was measured every day, and the solute concentration in the container was kept constant by replenishing tap water as needed for the amount of transpiration. Growth maintenance was evaluated both visually and by transpiration. Table 2 shows the results of visual evaluation and total transpiration on the 10th day of cultivation. Compared to the water-absorbing polymer alone systems of Comparative Examples 1 to 6, the system using the aqueous human culture medium in which the cationic polymer was added to the water-absorbing polymer of the example had good flower vigor in all the examples, The amount of transpiration was large and the effect of maintaining growth was high.
- aqueous artificial media obtained in Examples 1 to 18 and Comparative Examples 1 to 6 was placed in a 300 ml hydroponic cultivation vessel, and 20 morning glory seeds (Yukiki Seedling Co., Ltd.) were sown. The plants were then grown under the conditions of a temperature of 20 ° C, a humidity of 60% and shading (illumination of 10,000 lux after germination). The weight of the container was measured daily, and the amount of water evaporated and evaporated was replenished with tap water as needed. Evaluation was made by visual observation of germination rate, rooting ability on day 20, and upper growth. Table 3 shows the results.
- water-absorbing polymer was added in such an amount that water absorption capacity (weight ratio) when tap water was added.
- Proxel BDN was added as a preservative to all artificial aqueous media for cut flowers to a final concentration of 200 ppm. After that, dilute the mixture with tap water so that the total volume becomes 300 ml with gentle stirring, stir for a few minutes, and then stand still for about 2 hours.A total of 12 types of upper layers are water-absorbing polymer layers and lower layers are water layers. A cut flower artificial medium, which is a supply support layer, was obtained. Here, a system without addition of the cationic polymer was defined as a ratio. Table 5 shows the! ⁇ Table 5
- Example 11 1 ⁇ - ⁇ -h ';: Lacetamito "3.30% rigid urethane foam 1%
- Mini roses (littlewitz) immediately after flowering were used as cut flowers.
- the cut flowers cut sharply so that the conduit was not blocked at 20 cm below the flowers was inserted into the water supply support of the artificial medium for cut flowers prepared in (5-1).
- the plants were grown under the conditions of a temperature of 20 ° C, a humidity of 60% and an illuminance of 10,000 lux.
- the effect of maintaining freshness and prolonging life was evaluated by visual observation of flower arrangement.
- Table 6 shows the results on the eighth day of cultivation.
- the system using the artificial medium comprising the water-absorbing polymer, the water-supplying support, and the cationic polymer according to the present invention is: Flowering was good in all Examples.
- the growth maintenance evaluation was evaluated as 100 points when the flower arrangement was good by visual evaluation. Table 7 shows the results of the visual evaluation on the 30th day of cultivation. Comparative example? It was observed that the system to which the cationic polymer was added had a good flower vigor and a high growth maintaining effect in all Examples as compared with the systems of the water-absorbing polymer and the water-supplying support of ⁇ 12. .
- JP9 / 97 In the present invention shown above, when the polymer composition is used in an aqueous artificial medium, Examples 1 to 3 are used.When the polymer composition is used together with a plant support, Examples 19, 22, 25, and 28 are used. preferable. The present invention can be applied to both rooted plants and cut flowers.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/744,332 US6560923B1 (en) | 1998-07-23 | 1999-07-23 | Aqueous artificial media |
EP99931520A EP1097630B1 (en) | 1998-07-23 | 1999-07-23 | Aqueous artificial media |
DE69931260T DE69931260T2 (de) | 1998-07-23 | 1999-07-23 | Wässriges künstliches medium |
JP2000560764A JP4060033B2 (ja) | 1998-07-23 | 1999-07-23 | 水性人工培地 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/208042 | 1998-07-23 | ||
JP20804298 | 1998-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000004757A1 true WO2000004757A1 (fr) | 2000-02-03 |
Family
ID=16549692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003967 WO2000004757A1 (fr) | 1998-07-23 | 1999-07-23 | Milieux artificiels aqueux |
Country Status (6)
Country | Link |
---|---|
US (1) | US6560923B1 (ja) |
EP (1) | EP1097630B1 (ja) |
JP (1) | JP4060033B2 (ja) |
DE (1) | DE69931260T2 (ja) |
ES (1) | ES2260920T3 (ja) |
WO (1) | WO2000004757A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9816784D0 (en) * | 1998-07-31 | 1998-09-30 | Allied Colloids Ltd | Soil treatment compositions and their use |
NL1017460C2 (nl) * | 2001-02-28 | 2002-09-03 | Sluis Cigar Machinery B V V D | Kweekmedium. |
FR2886813B1 (fr) * | 2005-06-09 | 2009-02-20 | Jean Yves Plat | Housses de suspension de sacs de culture en vue de la vegetalisation de surfaces verticales |
US20090019905A1 (en) * | 2007-07-19 | 2009-01-22 | Absorbent Technologies, Inc. | Superabsorbent polymer suspension for use in agriculture |
EP2346323B1 (en) * | 2008-10-17 | 2015-08-26 | Appvion, Inc. | An agriculture actives delivery composition comprising boron and persulfate ion-crosslinked polyvinyl alcohol microcapsules and metod of use thereof |
UA109772C2 (uk) * | 2009-07-02 | 2015-10-12 | Агент для підвищення гідрофільності ґрунту і способи його застосування | |
JP5634446B2 (ja) * | 2012-06-29 | 2014-12-03 | 東洋ゴム工業株式会社 | 粒状植物育成体 |
CN104394684A (zh) * | 2012-06-29 | 2015-03-04 | 东洋橡胶工业株式会社 | 人工土壤及其制造方法 |
US9566685B2 (en) * | 2013-02-21 | 2017-02-14 | Fujimi Incorporated | Polishing composition and method for producing polished article |
WO2015066576A2 (en) * | 2013-11-03 | 2015-05-07 | Polymerium, Llc | Polymeric crop protection system |
SI3148319T1 (sl) * | 2014-05-29 | 2022-04-29 | Rockwool International A/S | Rastni substrat |
US10694685B2 (en) * | 2014-09-23 | 2020-06-30 | HGXE Holdings, LLC | Active polymer material for agricultural use |
ES2686518T3 (es) | 2015-09-17 | 2018-10-18 | SWISS KRONO Tec AG | Estera de fibras de madera para el uso como sustrato vegetal |
CN105766579A (zh) * | 2016-03-11 | 2016-07-20 | 无锡佳培科技有限公司 | 用于水培蔬菜育苗的人工栽培土及无土栽培育苗的方法 |
US20180057731A1 (en) | 2016-08-31 | 2018-03-01 | Battelle Memorial Institute | Polymer Matrix Particles For Inhibitingscale Formation In Oil And Gas Wells |
CN111286271A (zh) * | 2020-03-16 | 2020-06-16 | 武汉思越化学技术有限公司 | 一种农用岩棉用亲水剂的制作方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01101325U (ja) * | 1987-12-28 | 1989-07-07 | ||
JPH0213306A (ja) * | 1988-06-30 | 1990-01-17 | Lion Corp | 植物栽培装置 |
JPH02211808A (ja) * | 1989-02-13 | 1990-08-23 | Kyoritsu Yuki Co Ltd | 植物培養土の製造法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793650A (fr) | 1972-11-06 | 1973-07-03 | Union Carbide Corp | Polymeres particulaires meubles, insolubles et gonflables et procede pour les preparer |
US3798836A (en) * | 1972-12-04 | 1974-03-26 | Dow Chemical Co | A hydroponic bed for growing plants |
US4194998A (en) * | 1976-12-06 | 1980-03-25 | The United States Of America As Represented By The Secretary Of Agriculture | Highly absorbent polyhydroxy polymer graft copolymers without saponification |
DE3372635D1 (en) * | 1982-08-17 | 1987-08-27 | Allied Colloids Ltd | Water absorbing polymers |
JPH0629299B2 (ja) * | 1985-10-21 | 1994-04-20 | 三菱油化株式会社 | ビ−ズ状高吸水性ポリマ−の製造方法 |
FR2614555B1 (fr) | 1987-04-28 | 1989-06-09 | Coatex Sa | Composition polymere chargee en matiere minerale pulverulente a haute capacite d'absorption en eau |
JP2646676B2 (ja) | 1988-06-30 | 1997-08-27 | スズキ株式会社 | ロッカアームシャフトの廻り止め構造 |
WO1992019095A1 (en) | 1991-05-09 | 1992-11-12 | E.I. Du Pont De Nemours And Company | Plant growing matrix |
US5514191A (en) * | 1994-04-05 | 1996-05-07 | Deerpoint Industries, Inc. | Polymeric media amendment for growing mushrooms |
JPH08256592A (ja) | 1995-03-24 | 1996-10-08 | Showa Denko Kk | 人工培土 |
JP2986362B2 (ja) | 1995-03-30 | 1999-12-06 | 有限会社向山蘭園 | 植物体栽培用支持体、土壌改質剤および植物体の栽培方法 |
JPH09191870A (ja) * | 1996-01-19 | 1997-07-29 | Chisso Corp | 培 地 |
US5738794A (en) * | 1996-10-03 | 1998-04-14 | Cytec Technology Corp. | Cationic water-soluble polymer preciptation in salt solutions |
US6041546A (en) * | 1998-05-26 | 2000-03-28 | Nodirt Exotic Planters, Inc. | Planter pouch |
-
1999
- 1999-07-23 US US09/744,332 patent/US6560923B1/en not_active Expired - Fee Related
- 1999-07-23 EP EP99931520A patent/EP1097630B1/en not_active Expired - Lifetime
- 1999-07-23 ES ES99931520T patent/ES2260920T3/es not_active Expired - Lifetime
- 1999-07-23 WO PCT/JP1999/003967 patent/WO2000004757A1/ja active IP Right Grant
- 1999-07-23 JP JP2000560764A patent/JP4060033B2/ja not_active Expired - Fee Related
- 1999-07-23 DE DE69931260T patent/DE69931260T2/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01101325U (ja) * | 1987-12-28 | 1989-07-07 | ||
JPH0213306A (ja) * | 1988-06-30 | 1990-01-17 | Lion Corp | 植物栽培装置 |
JPH02211808A (ja) * | 1989-02-13 | 1990-08-23 | Kyoritsu Yuki Co Ltd | 植物培養土の製造法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1097630A4 * |
Also Published As
Publication number | Publication date |
---|---|
DE69931260D1 (de) | 2006-06-14 |
JP4060033B2 (ja) | 2008-03-12 |
EP1097630A4 (en) | 2002-08-07 |
DE69931260T2 (de) | 2007-05-16 |
EP1097630A1 (en) | 2001-05-09 |
US6560923B1 (en) | 2003-05-13 |
ES2260920T3 (es) | 2006-11-01 |
EP1097630B1 (en) | 2006-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2000004757A1 (fr) | Milieux artificiels aqueux | |
EP0072213B1 (en) | Particulate compositions useful as plant growing media additives | |
KR100478742B1 (ko) | 식물 보수용 담체 | |
US4906276A (en) | Plant transplant and plant preservation medium | |
WO1997004652A1 (fr) | Granules pesticides enrobes a usage agricole, procede de fabrication et mode d'emploi | |
US4985061A (en) | Plant transplant and plant preservation medium | |
US4985062A (en) | Method of improving crop yield | |
JP2974215B2 (ja) | 土壌改良剤および土壌改良方法 | |
WO1991003149A1 (en) | Water retentive matrix incorporating plastic for growing seeds and plants | |
JP3998822B2 (ja) | 植物支持体 | |
JP3905178B2 (ja) | 水性人工培地 | |
JP2002171831A (ja) | 機械定植用育苗培土 | |
JP5010162B2 (ja) | 農園芸用粒状殺菌剤組成物とそれを利用したいもち病の防除方法 | |
JPH10164975A (ja) | 撥水性抑制型ピートモス及び農園芸用資材 | |
CA2287352A1 (en) | Polyacrylate gel for horticultural use | |
US20240238758A1 (en) | A polymeric material composition | |
JP2012055275A (ja) | 土付き苗用の培土 | |
JP2000053965A (ja) | 植物育成用カルボキシメチルセルロースゲル組成物、その製造方法および使用方法 | |
JP3475504B2 (ja) | 園芸用培土 | |
JP4603663B2 (ja) | 高濃度希釈用種子消毒製剤 | |
JP2000032843A (ja) | 移植用結合性培土 | |
JPH11289863A (ja) | 植物栽培用マトリックス | |
JPH04264191A (ja) | 土質改良剤 | |
JPS58201903A (ja) | 育苗方法 | |
JPH1094325A (ja) | 園芸用育苗培土 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
ENP | Entry into the national phase |
Ref country code: JP Ref document number: 2000 560764 Kind code of ref document: A Format of ref document f/p: F |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1999931520 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09744332 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1999931520 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1999931520 Country of ref document: EP |