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WO1979000480A1 - Dispositif pour adjoindre des substances nutritives aux liquides et pour les aerer dans les cultures hydroponiques - Google Patents

Dispositif pour adjoindre des substances nutritives aux liquides et pour les aerer dans les cultures hydroponiques Download PDF

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Publication number
WO1979000480A1
WO1979000480A1 PCT/GB1979/000009 GB7900009W WO7900480A1 WO 1979000480 A1 WO1979000480 A1 WO 1979000480A1 GB 7900009 W GB7900009 W GB 7900009W WO 7900480 A1 WO7900480 A1 WO 7900480A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
liquid
pipe
plant
aeration
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.)
Ceased
Application number
PCT/GB1979/000009
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English (en)
Inventor
K Dunn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO1979000480A1 publication Critical patent/WO1979000480A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • 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
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/04—Flower-pot saucers
    • A01G9/047—Channels or gutters, e.g. for hydroponics
    • 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

Definitions

  • This invention relates to the growing of plants of all types and varieties in the manner known as soilless cultiv3.tion, also referred to as hydroponics.
  • soilless cultiv3.tion also referred to as hydroponics.
  • Gravel Culture wherein a gravel or sand/gravel mixture is retained within walls on a firm base or in a lined pit. Irrigation is provided by flushing the gravel with water which can contain nutrients, or the nutrients are sprinkled onto the surface of the gravel. Alternatively, vermiculite or perlite, or some other subsrate is used instead of the gravel.
  • the irrigation liquid is used with the frequency required by the growth of the plants and the climate, and is either returned to a reservoir via a pump, or is allowd to drain away on a total loss system.
  • Nutrient Film Technique wherein a seedling or plant is transferred to a plastic channel of thin material, the top edges of which are folded up to constrain the stem of the plant and then held in place by clips. Liquid containing nutrients are re-circulated into and around the channels through thin pipes, the bore of which in relation to the pressure rating of the pump regulates the flow rate of the liquid into the channels. The maximum depth of the liquid in the channel is 1mm.
  • Dr. Alan Cooper has produced books and articles on this subject, and is the named inventor of British Patent Number 1,245,581, the title of which is 'Cultivation, of Plants'. J. Deep Water Culture - a re-circulatory system where the liquid exceeds 1mm in depth, and has in the past required the transfer of a plant to the channel, a method of germinating seedilngs for retention in the channel is the subject of a British Complete Specification by the applicant.
  • Past work has been that of Dr W.F. Gericke (United States of America), and more recently by P. Van Lune and B. J. Van Goor at the Institute for Soil Fertility, Karen, The Netherlands.
  • the invention is a series of innovations which ideally group together as as a unity of invention, but which may under certain circumstances be used independently.
  • the Gravity Feed Bar (1) a closed container having an inlet point through which the liquid is fed to the Gravity Feed Bar from the pump (2), or from a reservoir situated at a level higher than that of the Gravity Feed Bar; An outlet or outlets (3) shown in the diagram as valved, which supplies liquid from the Gravity Feed'Bar to the channel or channels (4 ) ; and an overspill cascade outlet (5), for the return to the sump (15) of excess liquid provided to the Gravity Feed Bar by the pump which is rated to provide a greater rate of flow to the Gravity Feed Bar than is required to be transferred to the channel or channels through the valved outlets.
  • the valves may be replaced by any means of flow restfictor, and the Gravity Feed Bar may be in any position above the channel.
  • the purpose of the Gravity Feed Bar is to provide a constant 'head' of liquid to the valves thus ensuring a regulated flow of liquid to the channels; and, from the overspill cascade to provide an escape for the excessive input from the pump to the Gravity Feed Bar which produces an aeration of the liquid during the overspill and in the cascade return to the sump.
  • this cascading at Gravity Feed Bar, in the return pipes, and at the sump, provides a complete re-mixing of the nutrient chemicals within the liquid from which the plants feed, thus ensuring that on displacement into the channel the dangers of imbalance in nutrient strengths is appreciably minimised.
  • Inlet Baffle (6) against which the liquid from the valve is projected into the channel, creating another aeration and nutrient intermix, and by the displacement of the baffle at an angle projects the liquid to the rear of the channel and against the channel end cap in such a way that the spray effect produced creates a fast moving film on the surface of the liquid in the channel, the hydraulic drag of which tumbles the freshly aerated film into the underneath layers of the liquid within the channel to remove stagnated areas in and around the plant roots, passing the stale liquid towards the outlet end of the channel.
  • Outlet/Level Setting Pipe (7) at the exit of the channel providing, through a hole, or holes, a means by which the surplus liquid in the channel passes back through piping to the sump.
  • the pipe may be shortened to permit escape over the top of the pipe.
  • the pipe is connected through the channel by a seal (14), and, when moved vertically through the seal, can determine the depth of the liquid within the channel. Removal of the pipe from the seal in the channel permits the channel to be emptied of liquid for flushing and cleaning with the plants remaining in situ.
  • Narrow slots (9) can be cut into the Outlet/Level Setting Pipe, below the main liquid exit orifice to permit exit of the lower levels of the liquid within the channel at a rate flower than that of the inlet and main outlet.
  • the slots can be displaced inany way convenient or desired, and in any size or number found to be suitable for the purpose intended.
  • the size of the Outlet/Level Setting Pipe is such that further cascade and nutrient intermixing takes place during the exit of the liquid from the channel through the orifice, and again when returning to the sump and falling onto the surface of the liquid within the sump.
  • Demountable Plant Carrier (10) having, by the design of the side sections, the facility to be clipped onto the top of the channel walls across the channel. The clipping protrusions on the side section may be so displaced as to allow the Plant Carrier to be inverted (11) so permitting the relationship between the base of the Plant Carrier and the surface of the liquid in the channel to be reduced or increased independently of the other Plant Carriers on the same channel.
  • the Plant Carrier has one inner section which is removable (12, permitting the Plant Carrier to be opened to facilitate to installation or removal of a plant from the Plant Carrier whether or not the plant is retained in a separate plant container, such a removal or installation will not damage the root or foliage of the plant.
  • a clip, bolt, or other form of retaining method may be used to secure the removable section of the Plant Carrier to the main body, against unintentional separation.
  • the side rail of the Plant Carrier having an opening to the top at the side whichever way the Plant Carrier is affixed to the channel will allow the fitting and securing (13) of a material (16) ideally a soft plastic, which can similarly be connected to an adjacent Plant
  • the softness of the material will allow a concertina effect (25) permitting the Plant Carriers to be moved along the channel in relationship to each other to change the spacing between any or all of the Plant Carriers according to the size and space requirement of the plant held in the Plant Carrier.
  • the material will additionally protect the interior of the channel from entry of extraneous matter, and, in hot climates, reduce the evaporation rate of the liquid within the channel.
  • the material can be ensure surface closure.
  • a top cover may be provided (22) for protection of the channel where the distance between the plant carriers is then determined by the length of the cover. Variation of the distances between plant carriers will be then determined by the change of length of the covers.
  • the plant carrier can have the addition of a tongue projecting to the underside (24) which may be permanently fixed or located between the two members of the plant carrier (10) and (11) in such a manner as to allow transfer to either face when the plant carrier is inverted.
  • the projection hereinafter referred to ae the Weir, only partially closes the channel or tube to permit the liquid within the channel or tube to pass over the upper face of the Weir at the point of, or adjacent to the plant roots.
  • a further advantage is the avoidance of flooding to the plant or overspill from the plant carrier orifices at the lower gradient points of the channel or pipe.
  • the Weir blade may be solid, or perforated, and does not of necessity need to be a tight fit into the channel or pipe.
  • the Weir or a suitable gauze at the plant carrier or at any point along the channel or pipe associated or disassociated with the Weir will act as a barrier to retain a substrate within which the root crop or bulb will grow.
  • the aeration and nutrient intermxing will not be affected by the intermittent flow operated by the closing and opening of the valve or valves at suitable intervals, insomuch that the pumping of liquid to the Gravity Feed Bar, or supply from a header tank continuing overspill cascade back to the sump may be continued with the valve or valves opened or closed as part of a shortened cycle of operation without detriment to the function of the equipment.
  • the innovation at 4. extends the use and applications of 1., 2., and 3. by making the best possible use of the space provided in the channel to suit differing growth rates of plants and different types and sizes of plants. Making the system more flexible whilst reducing the demand on resources.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Hydroponics (AREA)

Abstract

Le dispositif comprend des moyens pour faire varier de facon continue ou pour arreter le debit du liquide s'ecoulant vers les canaux individuels (4) dans les cultures hydroponiques et des moyens pour faire varier le niveau du liquide dans chaque canal tout en produisant automatiquement une aeration complete et un melange complet du liquide avec les substances nutritives. De plus, la place disponible a l'interieur d'un canal hydroponique est augmentee grace a un support de plant demontable qui permet une preadaptation continue de la distance entre les plants en croissance dans un canal sans risque d'endommagement tout en fournissant une couverture du canal pour empecher l'entree de la lumiere ou de substances suspendues dans l'air. Le support de plant comprend des moyens supplementaires permettant de fixer ou d'enlever des plants sans risque de dommage aux feuilles ou a la racine, et des moyens permettant la fixation d'un barrage lorsque le canal est incline ou comporte une chute trop importante.
PCT/GB1979/000009 1978-01-05 1979-01-05 Dispositif pour adjoindre des substances nutritives aux liquides et pour les aerer dans les cultures hydroponiques Ceased WO1979000480A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB30478 1978-01-05
GB30578 1978-01-05
GB303/78 1978-01-05
GB30378 1978-01-05

Publications (1)

Publication Number Publication Date
WO1979000480A1 true WO1979000480A1 (fr) 1979-07-26

Family

ID=27253697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1979/000009 Ceased WO1979000480A1 (fr) 1978-01-05 1979-01-05 Dispositif pour adjoindre des substances nutritives aux liquides et pour les aerer dans les cultures hydroponiques

Country Status (5)

Country Link
EP (1) EP0008289A1 (fr)
CH (1) CH644490A5 (fr)
DE (1) DE2953945A1 (fr)
FR (1) FR2500720A1 (fr)
WO (1) WO1979000480A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010737A1 (fr) * 1978-10-31 1980-05-14 Ein-Gedi, Kvutzat Poalim Lehityashvut Haklait Shitufit B.M. Appareils et système de culture hydroponique
NL9402079A (nl) * 1993-12-10 1995-07-03 Kuraray Co Werkwijze voor het kweken in een hydrocultuur, een voedingsoplossing hiervoor en de toepassing hiervan.
LU503106B1 (en) * 2022-11-24 2024-05-24 Hyswiss Sa System and method for the cultivation of plants

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3344945A1 (de) * 1983-12-13 1985-06-20 Graf von Wolkenstein Patentverwertungsgesellschaft mbH, i.G., 6093 Flörsheim Verfahren und vorrichtung zur erdlosen aufzucht und kultivierung von pflanzen auf schiefen ebenen, vorzugsweise im freien
DE3633390A1 (de) * 1986-10-01 1988-04-14 A Prof Dr Rer Nat Weber Behaelter fuer pflanzen und gewaechse zur begruenung von insbesondere trockenen standorten u. verfahren zur anzucht von pflanzen und gewaechsen mittels des behaelters
ES2130020B1 (es) * 1996-01-04 2000-01-16 Valcarcel Escolar Eduardo Dispositivo para el cultivo hidroponico automatizado.
EP1031276B1 (fr) * 1999-02-27 2003-07-30 BRM GmbH Appareil pour la culture de chicorée
ES1080382Y (es) * 2013-05-14 2013-08-26 Com J Huete S L Dispositivo soporte para cultivos
CN107980608B (zh) * 2017-12-21 2020-06-26 绍兴儒林生物科技有限公司 一种铁皮石斛培养系统
IT201900022191A1 (it) * 2019-11-26 2021-05-26 Zero Srl Impianto per la coltivazione di prodotti vegetali e relativo metodo di funzionamento

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062755A (en) * 1936-03-04 1936-12-01 Frank F Lyons System of water culture
US3660933A (en) * 1970-03-02 1972-05-09 Weingarten & Wong Enterprises Hydroponics system and method
US3925926A (en) * 1973-11-08 1975-12-16 Kyowa Kagaku Kogyo Kk Method and apparatus for water and air culture of plants
FR2341263A1 (fr) * 1976-02-18 1977-09-16 Phytotronic Hydroponic Res Dispositif de culture sans sol

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE285783C (fr) * 1914-06-24 1915-07-13
US1576790A (en) * 1925-01-21 1926-03-16 Roessner George Irrigation system
US2134647A (en) * 1936-10-10 1938-10-25 Ernest L Savage Grass plot foundation
AT232780B (de) * 1962-09-06 1964-04-10 Heinrich Sterlich Einbettungsmaterial für die Heranzucht von Pflanzen in und über einer Nährlösung
AT326940B (de) * 1973-11-08 1976-01-12 Kyowa Kagaku Kogyo Kk Verfahren zum betrieb einer luft-wasser-kultur und vorrichtung zur durchfuhrung des verfahrens
GR59889B (en) * 1975-02-27 1978-03-15 A Anselm Channel-like structure for horticulture and floriculture

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062755A (en) * 1936-03-04 1936-12-01 Frank F Lyons System of water culture
US3660933A (en) * 1970-03-02 1972-05-09 Weingarten & Wong Enterprises Hydroponics system and method
US3925926A (en) * 1973-11-08 1975-12-16 Kyowa Kagaku Kogyo Kk Method and apparatus for water and air culture of plants
FR2341263A1 (fr) * 1976-02-18 1977-09-16 Phytotronic Hydroponic Res Dispositif de culture sans sol

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010737A1 (fr) * 1978-10-31 1980-05-14 Ein-Gedi, Kvutzat Poalim Lehityashvut Haklait Shitufit B.M. Appareils et système de culture hydroponique
NL9402079A (nl) * 1993-12-10 1995-07-03 Kuraray Co Werkwijze voor het kweken in een hydrocultuur, een voedingsoplossing hiervoor en de toepassing hiervan.
LU503106B1 (en) * 2022-11-24 2024-05-24 Hyswiss Sa System and method for the cultivation of plants
WO2024110659A1 (fr) 2022-11-24 2024-05-30 Hyswiss Sa Système et procédé de culture de plantes

Also Published As

Publication number Publication date
CH644490A5 (fr) 1984-08-15
FR2500720A1 (fr) 1982-09-03
FR2500720B1 (fr) 1984-05-25
EP0008289A1 (fr) 1980-02-20
DE2953945A1 (de) 1986-04-17

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