Plant husbandry – Water culture – apparatus or method
Patent
1978-09-29
1980-07-01
Bagwill, Robert E.
Plant husbandry
Water culture, apparatus or method
A01G 3102
Patent
active
042099447
ABSTRACT:
A method of hydroponic culture in which plants are cultured while a nutrient solution is continuously circulated within a culture tank. The method comprises determining a scheduled growth curve for a plant to be cultured, programming the flow rate increase and liquid level drop of the nutrient solution by approximate correspondence with the scheduled growth curve, and supplying the nutrient solution under control in accordance with the program.
REFERENCES:
patent: 3925926 (1975-12-01), Nozawa
patent: 4149970 (1979-04-01), Atkins et al.
Bagwill Robert E.
Kyowa Kagakukogyo Kabushiki Kaisha
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