Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1988-02-08
1990-10-09
Hollrah, Glennon H.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 79, 4241951, A01N 6500
Patent
active
049617745
ABSTRACT:
In the process for the hydroponic cultivation of aquatic plants and, in particular, water hyacinth, the plants are cultivated in a nutrient aqueous solution containing at least one nitrogen compound and elements such as P, K, Ca, Mg, S and Fe.
The nitrogen compound is formed by adding urea to the nutrient solution.
Use of the juice extracted from the resulting aquatic plant as a bio-stimulant for plant growth and seed germination.
REFERENCES:
patent: 2949700 (1960-08-01), Kathrein
patent: 3402506 (1968-09-01), Renfro
patent: 4169716 (1979-10-01), Ashmead
patent: 4169717 (1979-10-01), Ashmead
patent: 4251508 (1981-02-01), Monsod, Jr.
patent: 4251508 (1981-02-01), Monsod, Jr.
patent: 4297130 (1981-10-01), Moore, Jr.
patent: 4404015 (1983-09-01), Menon et al.
Hollrah Glennon H.
Owens Amelia A.
Spie Batignolles
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