JPH01317342A - 自動灌水制御装置 - Google Patents

自動灌水制御装置

Info

Publication number
JPH01317342A
JPH01317342A JP63293475A JP29347588A JPH01317342A JP H01317342 A JPH01317342 A JP H01317342A JP 63293475 A JP63293475 A JP 63293475A JP 29347588 A JP29347588 A JP 29347588A JP H01317342 A JPH01317342 A JP H01317342A
Authority
JP
Japan
Prior art keywords
irrigation
culture medium
water
water level
level detection
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.)
Granted
Application number
JP63293475A
Other languages
English (en)
Japanese (ja)
Other versions
JPH056977B2 (enrdf_load_stackoverflow
Inventor
Akio Suzuki
明夫 鈴木
Tatsuo Akamatsu
赤松　達雄
Masaru Suematsu
優 末松
Eiichi Sugano
栄一 菅野
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.)
Z KOGYO KK
Sumitomo Electric Industries Ltd
Taiyo Kogyo Co Ltd
Original Assignee
Z KOGYO KK
Sumitomo Electric Industries Ltd
Taiyo Kogyo Co Ltd
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 Z KOGYO KK, Sumitomo Electric Industries Ltd, Taiyo Kogyo Co Ltd filed Critical Z KOGYO KK
Priority to JP63293475A priority Critical patent/JPH01317342A/ja
Publication of JPH01317342A publication Critical patent/JPH01317342A/ja
Publication of JPH056977B2 publication Critical patent/JPH056977B2/ja
Granted legal-status Critical Current

Links

Classifications

    • Y02P60/216—

Landscapes

  • Hydroponics (AREA)
JP63293475A 1987-11-30 1988-11-22 自動灌水制御装置 Granted JPH01317342A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63293475A JPH01317342A (ja) 1987-11-30 1988-11-22 自動灌水制御装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-299824 1987-11-30
JP29982487 1987-11-30
JP63293475A JPH01317342A (ja) 1987-11-30 1988-11-22 自動灌水制御装置

Publications (2)

Publication Number Publication Date
JPH01317342A true JPH01317342A (ja) 1989-12-22
JPH056977B2 JPH056977B2 (enrdf_load_stackoverflow) 1993-01-27

Family

ID=26559436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63293475A Granted JPH01317342A (ja) 1987-11-30 1988-11-22 自動灌水制御装置

Country Status (1)

Country Link
JP (1) JPH01317342A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6719488B2 (en) 1999-12-22 2004-04-13 Ebara Corporation Soil pf value measuring method, and irrigation control method and irrigation control device
KR100864475B1 (ko) * 2007-05-07 2008-10-22 경기도농업기술원 순환식 수경재배용 배액 전극법 관수시스템 및 그수경재배방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6719488B2 (en) 1999-12-22 2004-04-13 Ebara Corporation Soil pf value measuring method, and irrigation control method and irrigation control device
KR100864475B1 (ko) * 2007-05-07 2008-10-22 경기도농업기술원 순환식 수경재배용 배액 전극법 관수시스템 및 그수경재배방법

Also Published As

Publication number Publication date
JPH056977B2 (enrdf_load_stackoverflow) 1993-01-27

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