ZA737452B - Tensiometer and automatic irrigation control system utilizer same - Google Patents

Tensiometer and automatic irrigation control system utilizer same

Info

Publication number
ZA737452B
ZA737452B ZA737452*A ZA737452A ZA737452B ZA 737452 B ZA737452 B ZA 737452B ZA 737452 A ZA737452 A ZA 737452A ZA 737452 B ZA737452 B ZA 737452B
Authority
ZA
South Africa
Prior art keywords
utilizer
tensiometer
control system
same
irrigation control
Prior art date
Application number
ZA737452*A
Other languages
English (en)
Inventor
A Tal
Original Assignee
A Tal
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 A Tal filed Critical A Tal
Publication of ZA737452B publication Critical patent/ZA737452B/xx

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
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1842—Ambient condition change responsive
    • Y10T137/1866—For controlling soil irrigation
    • Y10T137/189—Soil moisture sensing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Driven Valves (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Measuring Fluid Pressure (AREA)
ZA737452*A 1972-09-29 1973-09-20 Tensiometer and automatic irrigation control system utilizer same ZA737452B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL40467A IL40467A (en) 1972-09-29 1972-09-29 Tensiometer and automatic irrigation control system utilizing same

Publications (1)

Publication Number Publication Date
ZA737452B true ZA737452B (en) 1974-07-31

Family

ID=11046714

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA737452*A ZA737452B (en) 1972-09-29 1973-09-20 Tensiometer and automatic irrigation control system utilizer same

Country Status (7)

Country Link
US (1) US3910300A (fr)
JP (1) JPS4988576A (fr)
AU (1) AU6056673A (fr)
FR (1) FR2201029B3 (fr)
IL (1) IL40467A (fr)
IT (1) IT995478B (fr)
ZA (1) ZA737452B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040436A (en) * 1975-08-08 1977-08-09 Caldwell Dave L Means and method of irrigation control
US4396149A (en) * 1980-12-30 1983-08-02 Energy Management Corporation Irrigation control system
US4696319A (en) * 1984-02-10 1987-09-29 Martin Gant Moisture-actuated apparatus for controlling the flow of water
ATE50395T1 (de) * 1985-01-18 1990-02-15 Ipaco Int Patent & Const Co Einrichtung zur steuerung der wasserzufuhr von pflanzen.
US4922945A (en) * 1987-05-04 1990-05-08 Irro-Controls Group Self-servicing hydraulic tensiometer with electrical switching and response capabilities
US4938248A (en) * 1987-05-04 1990-07-03 Irro-Controls Group Moisture and pressure sensitive fluid control circuit
US4884436A (en) * 1988-10-20 1989-12-05 Iowa State University Research Foundation, Inc. Automated tension infiltrometer
US5113888A (en) * 1990-01-23 1992-05-19 Robert Beggs Pneumatic moisture sensitive valve
US5269337A (en) * 1990-03-27 1993-12-14 Aaron Goldsmith Water control apparatus
DE4025690A1 (de) * 1990-08-14 1992-02-20 Gardena Kress & Kastner Gmbh Bewaesserungs-regelvorrichtung
US5161407A (en) * 1990-10-16 1992-11-10 Iowa State University Research Foundation, Inc. Means and method of soil water desorption
US5156179A (en) * 1991-09-24 1992-10-20 The United States Of America As Represented By The Secretary Of The Agriculture Tensiometer irrigation valve
US5348227A (en) * 1993-04-20 1994-09-20 Eli Polonsky Irrigation system having ground moisture responsive control jar valve regulation
US5758538A (en) * 1995-02-21 1998-06-02 Lockheed Martin Idaho Technologies Company Tensiometer and method of determining soil moisture potential in below-grade earthen soil
US5848494A (en) * 1996-01-31 1998-12-15 Spelt; Jacob Self-watering apparatus for plant
US7178391B2 (en) * 2002-10-31 2007-02-20 Battelle Energy Alliance, Llc Insertion tube methods and apparatus
US6772621B2 (en) * 2002-10-31 2004-08-10 Bechtel Bwxt Idaho, Llc Tensiometer methods and apparatus
US6976386B1 (en) 2002-10-31 2005-12-20 Battelle Energy Alliance, Llc Tensiometer methods
US7311011B2 (en) * 2002-10-31 2007-12-25 Battelle Energy Alliance, Llc Apparatuses for interaction with a subterranean formation, and methods of use thereof
US20040244833A1 (en) * 2003-06-05 2004-12-09 Kirk Buhler Rain detector for automatic irrigation systems
CA2611196A1 (fr) * 2005-06-07 2006-12-14 Plantcare Ag Dispositif s'utilisant avec un capteur pour ameliorer la precision et capteur a precision amelioree
US7403839B1 (en) * 2006-12-19 2008-07-22 Joshua Kaplan Water shut-off system
EP2508065A1 (fr) * 2007-08-20 2012-10-10 Netafim Ltd. Système de commande d'irrigation
US9335315B2 (en) * 2012-07-05 2016-05-10 Odd Hauge Wetland meter
BR102013009772B1 (pt) * 2013-04-22 2020-10-27 Embrapa - Empresa Brasileira De Pesquisa Agropecuária sensor de tensão de água, sistema para caracterização e medições contínuas de água no solo, sistema de indicação de tensão crítica no solo e haste de irrigação
CN103721877A (zh) * 2014-01-16 2014-04-16 常熟市天豪机械有限公司 一种自动喷灌节水设备
DE102016000659B4 (de) * 2016-01-22 2019-03-14 Utz Wagner Vorrichtung zur Anzeige der Erdfeuchte
CN114673506B (zh) * 2022-03-28 2024-11-22 中铁十九局集团轨道交通工程有限公司 单护盾双模盾构在tbm模式下穿越破碎带掘进施工工法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418536A (en) * 1943-05-06 1947-04-08 Fremont E Wood Automotive oil pressure safety switch
US2661022A (en) * 1945-01-09 1953-12-01 Merlin Gerin Fluid control device
US2445717A (en) * 1945-08-06 1948-07-20 Lorenzo A Richards Means and method of irrigating plants
US2878671A (en) * 1956-04-09 1959-03-24 Prosser Soil moisture indicating instrument
US3642204A (en) * 1969-11-28 1972-02-15 Edward W Mccloskey Waterflow-controlling apparatus for an automatic irrigation system

Also Published As

Publication number Publication date
AU6056673A (en) 1975-03-27
JPS4988576A (fr) 1974-08-23
IL40467A (en) 1974-12-31
US3910300A (en) 1975-10-07
FR2201029A1 (fr) 1974-04-26
FR2201029B3 (fr) 1976-08-20
IT995478B (it) 1975-11-10
IL40467A0 (en) 1972-11-28

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