ZA737452B - Tensiometer and automatic irrigation control system utilizer same - Google Patents
Tensiometer and automatic irrigation control system utilizer sameInfo
- 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
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)
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 (27)
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 |
WO1986004212A1 (fr) * | 1985-01-18 | 1986-07-31 | Ipaco, International Patent And Construction Compa | Dispositif de reglage de l'arrosage de plantes |
US4938248A (en) * | 1987-05-04 | 1990-07-03 | Irro-Controls Group | Moisture and pressure sensitive fluid control circuit |
US4922945A (en) * | 1987-05-04 | 1990-05-08 | Irro-Controls Group | Self-servicing hydraulic tensiometer with electrical switching and response capabilities |
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 |
US6976386B1 (en) | 2002-10-31 | 2005-12-20 | Battelle Energy Alliance, Llc | Tensiometer methods |
US7178391B2 (en) * | 2002-10-31 | 2007-02-20 | Battelle Energy Alliance, Llc | Insertion tube methods and apparatus |
US7311011B2 (en) * | 2002-10-31 | 2007-12-25 | Battelle Energy Alliance, Llc | Apparatuses for interaction with a subterranean formation, and methods of use thereof |
US6772621B2 (en) * | 2002-10-31 | 2004-08-10 | Bechtel Bwxt Idaho, Llc | Tensiometer methods and apparatus |
US20040244833A1 (en) * | 2003-06-05 | 2004-12-09 | Kirk Buhler | Rain detector for automatic irrigation systems |
AU2006255410A1 (en) * | 2005-06-07 | 2006-12-14 | Plantcare Ag | Device for using with a sensor for improving accuracy, and sensor with an improved accuracy |
US7403839B1 (en) * | 2006-12-19 | 2008-07-22 | Joshua Kaplan | Water shut-off system |
EP2180778B1 (fr) * | 2007-08-20 | 2013-04-03 | Netafim Ltd. | Système de régulation 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 |
Family Cites Families (5)
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 |
-
1972
- 1972-09-29 IL IL40467A patent/IL40467A/en unknown
-
1973
- 1973-09-20 ZA ZA737452*A patent/ZA737452B/xx unknown
- 1973-09-21 AU AU60566/73A patent/AU6056673A/en not_active Expired
- 1973-09-21 US US399508A patent/US3910300A/en not_active Expired - Lifetime
- 1973-09-24 IT IT29285/73A patent/IT995478B/it active
- 1973-09-25 JP JP48107889A patent/JPS4988576A/ja active Pending
- 1973-09-26 FR FR7334439A patent/FR2201029B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4988576A (fr) | 1974-08-23 |
FR2201029B3 (fr) | 1976-08-20 |
IT995478B (it) | 1975-11-10 |
IL40467A (en) | 1974-12-31 |
IL40467A0 (en) | 1972-11-28 |
US3910300A (en) | 1975-10-07 |
FR2201029A1 (fr) | 1974-04-26 |
AU6056673A (en) | 1975-03-27 |
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