Device comprising: a. a first compartment with at least one organic amendment containing seeds of at least one plant species, b. a second compartment comprising at least one pH amendment, and c. a connecting element between the two compartments that allows one of the compartments to be placed on top of the other compartment while maintaining the unit of the device, where each compartment is individually covered by a closed envelope of a water-soluble polymer film.1. Dispositivo que comprende: a. un primer compartimento con al menos una enmienda orgánica que contiene semillas de al menos una especie vegetal, b. un segundo compartimento que comprende al menos una enmienda de pH, y c. un elemento de unión entre los dos compartimentos que permite que uno de los compartimentos se coloque encima del otro compartimento manteniendo la unidad del dispositivo, donde cada compartimento está recubierto individualmente por una envoltura cerrada de un film de un polímero hidrosoluble.
