Hydroponic system convertible to an open or closed system

Details Hydroponic system convertible to an open or closed system Hydroponic system convertible to an open or closed system

1976-02-11

1977-05-10

Eickholt, E. H.

Plant husbandry

Water culture, apparatus or method

Nutrient recirculation system

47 80, A01G 3100

Patent

active

040219640

ABSTRACT:
A new and improved hydroponic system including a plant supporting chamber having an inert, supportive medium therein; a collection reservoir positioned below the plant supporting chamber; a pump reservoir for containing a nutrient solution and delivering the nutrient solution to the plant supporting chamber and first and second valve means for operating the hydroponic system as either a closed or an open hydroponic system as desired.

REFERENCES:
patent: 1992878 (1935-02-01), Muller
patent: 2188875 (1940-01-01), Ellis
patent: 2336755 (1943-12-01), Sejarto
patent: 2674828 (1954-04-01), Tegner
patent: 2855725 (1958-10-01), Carothers
patent: 3292584 (1966-12-01), Brodrick
patent: 3768201 (1973-10-01), Yoo
patent: 3916565 (1975-11-01), Runyon
"Secrets of Successful Tank Farming," Popular Science Monthly, vol. 134, No. 4, Apr. 1939, pp. 144-147.

Affiliated with

Also associated with

Rating

Hydroponic system convertible to an open or closed system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydroponic system convertible to an open or closed system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydroponic system convertible to an open or closed system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1976827