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1. (WO2017209613) DISPOSITIF DE CULTURE DE PLANTE SANS SYSTÈME DE DRAINAGE
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

Claims

1. A plant growing device (1) comprising

a container for feed in water for the plants (2), a container for fertilizer (2a), a container for water (2b), a container for acid (2c) and optionally a mixer;

one or more growing trays (3) for one or more plants in a substrate;

a tube (6) from said container for feed in water for the plants (2) to the one or more growing trays (3) for the transport of said feed to the plants;

means (7) to condensate the water vapour leading to

a tube (8) to lead back the condensed water to the container for water (2b).

2. A plant growing device (1) according to claim 1 wherein the growing trays (3) comprise water permeable holders (5) for the plants and passageways (4) along the holders (5).

3. A plant growing device (1) according to claim 1 or 2 wherein one or more of the plants are in a pot.

4. A plant growing device (1) according to anyone of the claims 1-3 wherein the means (7) to condensate essentially consists of a tube at a temperature of about 20 -22°C.

5. A method to grow plants by applying a plant growing device (1) according to anyone of the claims 1 - 4 by:

filling the container for fertilizer (2a) with fertilizer, the container for water (2b) with water, a container for acid (2c) with acid, and the container for feed in water for the plants (2) filling with water, fertilizer and optionally acid from the respective containers, optionally with mixing;

pumping the feed in water through tube (6) to the one or more growing trays (3), optionally by an inlet water pipe so that the plants suck the water by capillary force;

allowing the water transpired and evaporated to condensate on means (7) and

using optionally artificial light.

6. The method to grow plants according to claim 5 by filling the container for feed in water for the plants (2) with fertilizer from container (2a), water from the container for water (2b) and acid from container for acid (2c) with the amounts preferably based on the electrical conductivity data collected from the substrate.

7. The method to grow plants according to claim 5 or 6 wherein the fertilizer from container (2a) used to fill the container for feed in water (2) comprises organic fertilizer.

8. The method to grow plants according to claim 7 wherein the organic fertilizer comprises worm manure.

9. The method to grow plants according to any one of the claims 5 - 8 wherein the acid is an organic acid.

10. The method to grow plants according to claim 9 wherein the organic acid is citric acid or acetic acid.