Apparatus for automatically watering plants

Details Apparatus for automatically watering plants Apparatus for automatically watering plants

1988-09-23

1990-06-19

Raduazo, Henry E.

Plant husbandry

Water culture, apparatus or method

Nutrient recirculation system

41 79, A01G 3100

Patent

active

049340964

ABSTRACT:
Apparatus for automatically watering plants, comprising a fluid tight reservoir containing a substrate onto which the plants are positioned, means to apply fluid to said plants and means to receive the not directly absorbed fluid and conduct said fluid to a measuring reservoir. Analog level detectors are used to generate level proportional signals to a processor in which these signals are compared with reference signals to generate control signals to said means for applying fluid.

REFERENCES:
patent: 3543437 (1970-12-01), Gains
patent: 3807088 (1974-04-01), Jones
patent: 4037362 (1977-07-01), Finck
patent: 4248013 (1981-02-01), Allen
patent: 4302906 (1981-12-01), Kawabe
patent: 4557071 (1985-12-01), Fah

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