FR2722643B1 - Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes - Google Patents

Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes

Info

Publication number
FR2722643B1
FR2722643B1 FR9408921A FR9408921A FR2722643B1 FR 2722643 B1 FR2722643 B1 FR 2722643B1 FR 9408921 A FR9408921 A FR 9408921A FR 9408921 A FR9408921 A FR 9408921A FR 2722643 B1 FR2722643 B1 FR 2722643B1
Authority
FR
France
Prior art keywords
plants
measuring
moisture degree
crop substrate
crop
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.)
Expired - Fee Related
Application number
FR9408921A
Other languages
English (en)
Other versions
FR2722643A1 (fr
Inventor
Michel Pourcier
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.)
SPMP SA
Original Assignee
SPMP SA
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 SPMP SA filed Critical SPMP SA
Priority to FR9408921A priority Critical patent/FR2722643B1/fr
Publication of FR2722643A1 publication Critical patent/FR2722643A1/fr
Application granted granted Critical
Publication of FR2722643B1 publication Critical patent/FR2722643B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • G01N33/246—Earth materials for water content
FR9408921A 1994-07-19 1994-07-19 Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes Expired - Fee Related FR2722643B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9408921A FR2722643B1 (fr) 1994-07-19 1994-07-19 Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9408921A FR2722643B1 (fr) 1994-07-19 1994-07-19 Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes

Publications (2)

Publication Number Publication Date
FR2722643A1 FR2722643A1 (fr) 1996-01-26
FR2722643B1 true FR2722643B1 (fr) 1996-12-20

Family

ID=9465527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9408921A Expired - Fee Related FR2722643B1 (fr) 1994-07-19 1994-07-19 Dispositif pour la mesure du degre d'humidite d'unsubstrat de culture pour plantes

Country Status (1)

Country Link
FR (1) FR2722643B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2461000C2 (ru) * 2010-09-30 2012-09-10 ФГОУ ВПО Курганская государственная сельскохозяйственная академия имени Т.С. Мальцева Устройство для определения влажности почвы
GB2517172B (en) * 2013-08-13 2016-01-27 Mohammed Iftkhar Conductive probe based moisture detection sensor
CN108802340B (zh) * 2018-08-21 2020-12-08 上海达恩贝拉环境科技发展有限公司 一种基于互联网的区域性土壤在线监控装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968428A (en) * 1974-09-30 1976-07-06 Minoru Numoto Portable soil moisture tester
DK70076A (da) * 1976-02-20 1977-08-21 V Johansen Fugtighedsmaler
GB2132767B (en) * 1982-10-02 1987-01-28 Dr Mahmood Salehi Monitoring the property of a medium
US4514722A (en) * 1983-05-18 1985-04-30 Batcheler Jerry H Domestic automatic continuously monitoring soil moisture monitor/indicator
US4931775A (en) * 1987-05-26 1990-06-05 Sheriff Jack W Plant watering need monitor
GB8806796D0 (en) * 1988-03-22 1988-04-20 Cross D J Soil moisture alarm
FR2635872A1 (fr) * 1988-08-30 1990-03-02 Jossier Patrick Appareil de surveillance de la condition d'un objet

Also Published As

Publication number Publication date
FR2722643A1 (fr) 1996-01-26

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110218