JPH056977B2 - - Google Patents
Info
- Publication number
- JPH056977B2 JPH056977B2 JP63293475A JP29347588A JPH056977B2 JP H056977 B2 JPH056977 B2 JP H056977B2 JP 63293475 A JP63293475 A JP 63293475A JP 29347588 A JP29347588 A JP 29347588A JP H056977 B2 JPH056977 B2 JP H056977B2
- Authority
- JP
- Japan
- Prior art keywords
- irrigation
- culture medium
- water
- water level
- electrode
- 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
Links
Classifications
-
- Y02P60/216—
Landscapes
- Hydroponics (AREA)
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 |
|---|---|---|---|
| JP29982487 | 1987-11-30 | ||
| JP62-299824 | 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 JPH01317342A (ja) | 1989-12-22 |
| JPH056977B2 true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230673C (zh) | 1999-12-22 | 2005-12-07 | 株式会社荏原制作所 | 粗土壤pF值的测定方法和浇水控制方法 |
| KR100864475B1 (ko) * | 2007-05-07 | 2008-10-22 | 경기도농업기술원 | 순환식 수경재배용 배액 전극법 관수시스템 및 그수경재배방법 |
-
1988
- 1988-11-22 JP JP63293475A patent/JPH01317342A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01317342A (ja) | 1989-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0309059B1 (en) | Apparatus for automatically watering plants | |
| US4527353A (en) | Irrigation/fertilization control and distribution system | |
| CA2694399C (en) | Plant-controlled atmometer for measuring crop evapotranspiration | |
| US3407608A (en) | Subsurface irrigation system | |
| JP2010099062A (ja) | 容器に植えた植物の地下部環境制御装置及び地下部環境制御方法 | |
| JPH056977B2 (enrdf_load_stackoverflow) | ||
| JP6680514B2 (ja) | 栽培装置及び栽培方法 | |
| KR200433817Y1 (ko) | 분화재배용 소형 텐시오미터 | |
| JP2009017792A (ja) | 灌液制御システムの制御方法および灌液制御システム | |
| WO1984003414A1 (en) | A method and an apparatus for controlling of fluid flow, particularly in automatic irrigation systems in greenhouses | |
| RU78033U1 (ru) | Система автоматического полива растений для приусадебного хозяйства | |
| DK154462B (da) | Apparat til automatisk vanding af planter, der gror i fri luft eller iet drivhus, og et reguleringsapparat til anvendelse i forbindelse dermed | |
| JPS6336720A (ja) | 養液栽培における培養液の給液方法およびその装置 | |
| US3048032A (en) | Irrigation indicator | |
| JP4959888B2 (ja) | 自動給水システム | |
| JPS6324828A (ja) | 養液栽培用液肥灌水制御装置 | |
| JPH0523065A (ja) | 無灌水式プランター | |
| JP2548975Y2 (ja) | 種苗用自動灌水装置 | |
| CN223379693U (zh) | 智能调温式花盆 | |
| JP2000023580A (ja) | 給水装置およびそれが装着された植木鉢 | |
| JPH0284117A (ja) | 植物生育培地水分制御法 | |
| CN212487496U (zh) | 实时检测调控植物水分的控根容器 | |
| JPH1033074A (ja) | 自動潅水式プランター | |
| JPH0735865B2 (ja) | 自動潅水装置 | |
| RU2221416C1 (ru) | Устройство автономного автоматического полива |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |