Concentrated extract of algae, production method thereof and use of same in agriculture
OwnerPaul Heryinventor
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Abstract
The present invention relates to a concentrated algal extract having a percentage dry matter of between 6 and 100%, the preparation process thereof and also the uses thereof alone or combined with another nutritive, biostimulating or plant-protecting technology, especially to promote plant emergence, growth, development and reproduction and to prevent birds from eating the seeds. The invention also targets a process for applying the concentrated algal extract of the present invention, and also a seed coated with said extract.
Claims10
A process for preparing a concentrated algal extract, the concentrated algal extract having a percentage dry matter of between 6 and 100%, and containing 0 to 5%, by weight of alginate or of cellulose relative to the weight of said extract, the method comprising
- grinding the algae until the cells rupture;
- homogenizing the ground algal material in aqueous solution;
- removing the alginate and the cellulose from the homogenate by flocculation and filtration;
- concentrating the filtrate to reach a percentage dry matter of between 6 and 100%, preferably between 9 and 70%, more preferentially between 12 and 50%.
Dependencies are inferred from the claim text.