The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 1990
Filed:
Feb. 08, 1988
Applicant:
Inventor:
Jose Brochier, Castries, FR;
Assignee:
Spie Batignolles, Puteaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
71 77 ; 71 79 ; 4241951 ;
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.