Hydroponic cultivation system and hydroponic cultivation method

By integrating an algae culture tank and a control device to manage the transfer of algal growth inhibitors, the system addresses algae proliferation in hydroponic tanks, ensuring stable plant growth and reduced manual intervention.

JP2026099085APending Publication Date: 2026-06-18METAWATER CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
METAWATER CO LTD
Filing Date
2024-12-06
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Existing hydroponic cultivation systems face issues with algae proliferation in hydroponic cultivation tanks, which can lead to eutrophic conditions and hinder stable plant growth.

Method used

Incorporating an algae culture tank to produce an algal growth inhibitor, which is transferred to the hydroponic cultivation tank via a culture solution supply pipe, along with a control device to manage the transfer based on algae density or cultivation time, ensuring effective suppression of algae growth.

Benefits of technology

The system effectively suppresses algae growth in hydroponic cultivation tanks by introducing algal growth inhibitors, maintaining optimal conditions for plant cultivation and reducing the need for manual monitoring.

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Abstract

This makes it easier to suppress the growth of algae in hydroponic cultivation tanks. [Solution] This hydroponic cultivation system 1 comprises a hydroponic cultivation tank 30 for hydroponically cultivating plants using hydroponic water, an algae cultivation tank 40 for cultivating algae using hydroponic water, and a culture solution supply pipe 70 for transferring at least a portion of the culture solution containing an algae growth inhibitor, which is produced after cultivating algae in the algae cultivation tank 40, to the hydroponic cultivation tank 30. With the above configuration, the transfer of the algae growth inhibitor to the hydroponic cultivation tank 30 makes it easier to suppress the growth of algae that occur in the hydroponic cultivation tank 30.
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