Plant plug

Details Plant plug Plant plug

1976-06-17

1978-02-21

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 64R, 71 64G, 119 3, 47 58, 47DIG7, C05F 1102

Patent

active

040749975

ABSTRACT:
A molded nutrient-containing plant-growth medium secured to a weighted base permits the growth of plants in an aquarium without contaminating water in the aquarium with floating soil.

REFERENCES:
patent: 2961994 (1960-11-01), Kopietz
patent: 3336129 (1967-08-01), Herrett
patent: 3799755 (1974-03-01), Rack
patent: 3812619 (1974-05-01), Wood et al.
patent: 3877172 (1975-04-01), Schwab et al.
patent: 3961445 (1976-06-01), Rack
patent: 3973355 (1976-08-01), McKenzie

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