FR2372433B3 - - Google Patents
Info
- Publication number
- FR2372433B3 FR2372433B3 FR7735230A FR7735230A FR2372433B3 FR 2372433 B3 FR2372433 B3 FR 2372433B3 FR 7735230 A FR7735230 A FR 7735230A FR 7735230 A FR7735230 A FR 7735230A FR 2372433 B3 FR2372433 B3 FR 2372433B3
- Authority
- FR
- France
- 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.)
- Expired
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
- G01N31/222—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating moisture content
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Soil Sciences (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74473876A | 1976-11-24 | 1976-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2372433A1 FR2372433A1 (fr) | 1978-06-23 |
FR2372433B3 true FR2372433B3 (fr) | 1980-08-14 |
Family
ID=24993810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7735230A Granted FR2372433A1 (fr) | 1976-11-24 | 1977-11-23 | Indicateur d'humidite de la terre |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5374095A (fr) |
BE (1) | BE861156A (fr) |
CA (1) | CA1091987A (fr) |
DE (1) | DE2752508A1 (fr) |
FR (1) | FR2372433A1 (fr) |
GB (1) | GB1556577A (fr) |
NL (1) | NL189480C (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3911151A1 (de) * | 1989-04-06 | 1990-10-11 | Joachim Schmidt | Messgeraet zur bestimmung von bodeneigenschaften |
FR2665049B1 (fr) * | 1990-07-26 | 1993-12-03 | Michel Chamoulaud | Procede pour determiner la quantite d'eau necessaire a un substrat de culture et bac de culture adaptee a son utilisation. |
GB9019377D0 (en) * | 1990-09-05 | 1990-10-17 | Hettiaratchi Daniel B P | Irrigation sensor device |
DE102009019901A1 (de) * | 2009-05-04 | 2011-03-03 | Pawel Alexander Adamczyk | Gerät zur Messung der Feuchtigkeit von Pflanzenerde |
JP5692826B2 (ja) * | 2013-06-06 | 2015-04-01 | キャビノチェ株式会社 | 土壌用水分インジケータ |
CN103776982B (zh) * | 2014-01-27 | 2015-09-16 | 甘肃省交通科学研究院有限公司 | 质量式岩土干湿循环实验装置及实验方法 |
DE102014226204A1 (de) * | 2014-12-17 | 2016-06-23 | Siemens Aktiengesellschaft | Verfahren und Anordnung zum Überwachen einerEinrichtung auf innere Zustandsänderungen |
CN105784703B (zh) * | 2014-12-24 | 2018-07-20 | 中国科学院大连化学物理研究所 | 一种不溶性纳米湿度指示材料及其制备与应用 |
CN105548472A (zh) * | 2015-12-10 | 2016-05-04 | 廖健恒 | 一种用于室内的湿度监测系统 |
EP3680656A4 (fr) * | 2017-09-08 | 2021-11-10 | Cabinotier Co., Ltd. | Indicateur d'humidité du sol, unité de détection d'eau utilisée dans l'indicateur d'humidité du sol, boîtier de corps, procédé de fabrication d'unité de détection d'eau et procédé de fabrication d'indicateur d'humidité du sol |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2716338A (en) * | 1954-04-08 | 1955-08-30 | Welford C Blinn | Button type package humidity indicator |
US2787238A (en) * | 1955-04-04 | 1957-04-02 | Richard W Luce | Hygrometric indicator |
US3019638A (en) * | 1959-11-02 | 1962-02-06 | William F Klein | Moisture indicating device |
US3702755A (en) * | 1971-07-21 | 1972-11-14 | Walter E Palmer | Moisture indicator for plants |
US3951098A (en) * | 1975-02-12 | 1976-04-20 | Enviro-Gro, Inc. | House plant water content indicator |
-
1977
- 1977-11-21 CA CA291,278A patent/CA1091987A/fr not_active Expired
- 1977-11-23 FR FR7735230A patent/FR2372433A1/fr active Granted
- 1977-11-23 GB GB4882577A patent/GB1556577A/en not_active Expired
- 1977-11-23 NL NL7712911A patent/NL189480C/xx not_active IP Right Cessation
- 1977-11-24 JP JP14105977A patent/JPS5374095A/ja active Granted
- 1977-11-24 BE BE182897A patent/BE861156A/fr not_active IP Right Cessation
- 1977-11-24 DE DE19772752508 patent/DE2752508A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
NL7712911A (nl) | 1978-05-26 |
GB1556577A (en) | 1979-11-28 |
BE861156A (fr) | 1978-03-16 |
DE2752508A1 (de) | 1978-06-01 |
FR2372433A1 (fr) | 1978-06-23 |
NL189480C (nl) | 1993-04-16 |
CA1091987A (fr) | 1980-12-23 |
JPS6339865B2 (fr) | 1988-08-08 |
DE2752508C2 (fr) | 1987-01-22 |
JPS5374095A (en) | 1978-07-01 |