Irrigation/fertilization control and distribution system

Details Irrigation/fertilization control and distribution system Irrigation/fertilization control and distribution system

1983-04-04

1985-07-09

Hafer, Robert A.

Plant husbandry

Water culture, apparatus or method

47 79, 222 54, A01G 3100

Patent

active

045273537

ABSTRACT:
An irrigation and fertilization control/distribution system characterized by a distribution network and a control assembly coupling the distribution network to a pressurized water source. The control assembly includes an on/off valve mechanism operative to supply water to the distribution network when the ambient temperature exceeds a predetermined level, and a fertilizer metering mechanism operative to supply liquid fertilizer to the distribution network on the rising portion of a temperature cycle. The distribution network can include an inclined, hydroponic growth tube and a drip/mist tube.

REFERENCES:
patent: 2336730 (1943-12-01), Hayter
patent: 2965117 (1960-12-01), Gallacher
patent: 3361359 (1968-01-01), Chapin
patent: 3422833 (1969-01-01), Kitrilakis
patent: 3807088 (1974-04-01), Jones
patent: 4178716 (1979-12-01), Harper et al.
patent: 4272919 (1981-06-01), Schmidt
patent: 4304528 (1981-12-01), Jordan
patent: 4310990 (1982-01-01), Payne

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