DE2752508C2 - Bodenfeuchtigkeitsmesser - Google Patents

Bodenfeuchtigkeitsmesser

Info

Publication number
DE2752508C2
DE2752508C2 DE19772752508 DE2752508A DE2752508C2 DE 2752508 C2 DE2752508 C2 DE 2752508C2 DE 19772752508 DE19772752508 DE 19772752508 DE 2752508 A DE2752508 A DE 2752508A DE 2752508 C2 DE2752508 C2 DE 2752508C2
Authority
DE
Germany
Prior art keywords
moisture meter
soil moisture
soil
meter according
flat
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
Application number
DE19772752508
Other languages
German (de)
English (en)
Other versions
DE2752508A1 (de
Inventor
William P. Mchenry Ill. Heinrich
Bernard Highland Park Ill. Slepak
John E. Cincinnati Ohio Tucker
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 DE2752508A1 publication Critical patent/DE2752508A1/de
Application granted granted Critical
Publication of DE2752508C2 publication Critical patent/DE2752508C2/de
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22Investigating 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
    • G01N31/222Investigating 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)
DE19772752508 1976-11-24 1977-11-24 Bodenfeuchtigkeitsmesser Expired DE2752508C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74473876A 1976-11-24 1976-11-24

Publications (2)

Publication Number Publication Date
DE2752508A1 DE2752508A1 (de) 1978-06-01
DE2752508C2 true DE2752508C2 (de) 1987-01-22

Family

ID=24993810

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772752508 Expired DE2752508C2 (de) 1976-11-24 1977-11-24 Bodenfeuchtigkeitsmesser

Country Status (7)

Country Link
JP (1) JPS5374095A (fr)
BE (1) BE861156A (fr)
CA (1) CA1091987A (fr)
DE (1) DE2752508C2 (fr)
FR (1) FR2372433A1 (fr)
GB (1) GB1556577A (fr)
NL (1) NL189480C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
JP7231938B2 (ja) * 2017-09-08 2023-03-02 キャビノチェ株式会社 土壌用水分インジケータ、土壌用水分インジケータに用いられる水検出ユニット、本体ケース、水検出ユニットの製造方法、及び土壌用水分インジケータの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2372433B3 (fr) 1980-08-14
CA1091987A (fr) 1980-12-23
FR2372433A1 (fr) 1978-06-23
NL189480C (nl) 1993-04-16
JPS5374095A (en) 1978-07-01
BE861156A (fr) 1978-03-16
NL7712911A (nl) 1978-05-26
DE2752508A1 (de) 1978-06-01
JPS6339865B2 (fr) 1988-08-08
GB1556577A (en) 1979-11-28

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G01N 21/81

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee