Nutrient depleting envelopes containing aquatic plants

Details Nutrient depleting envelopes containing aquatic plants Nutrient depleting envelopes containing aquatic plants

1988-07-12

1989-12-26

Friedman, Carl D.

Plant husbandry

Algae culture

47 59, A01G 3102

Patent

active

048889121

ABSTRACT:
A non-chemical method and system for depleting plant nutrient compounds in open bodies of water by cultivating aquatic plants in a container placed in the body of water. The container comprises an aquatic plant support, a phyto-compatible envelope surrounding the support surface and flotation means appended to the system for providing sufficient buoyancy to maintain the container within the photic zone. The system is not limited to any specific aquatic plant with the use of Ceratophyllum demersum being preferred for fresh water. The method and system are advantageous because they permit environmentally safe control of undesirable eutrophication of the water and prevent contamination of the system with the plant being used for depletion.

REFERENCES:
patent: 3955317 (1976-05-01), Gudin
patent: 4169050 (1979-09-01), Serfling
patent: 4233958 (1980-11-01), Heden
patent: 4235043 (1980-11-01), Harasawa
patent: 4487588 (1984-12-01), Lewis et al.
patent: 4536988 (1985-08-01), Hogan
patent: 4695384 (1987-09-01), Ripl

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