1. Table culture, formed by four side plates, two longitudinal and two transverse interrelated and fixed to as many support legs, further comprising a support base for the growing medium, characterized in that the support base is formed by a plurality of flexible plates, the center of which includes a hole for drainage, going mounted said plates sliding in grooves provided for this purpose on the internal face of the lateral longitudinal plates of the table, leaving the end edges of the plates the base end coupled in slots established for this purpose in the transverse plates of the same table. 2. Cultivation Table according to claim 1, wherein the legs are formed by angle profiles with holes for fixing both longitudinal plates and transverse table, also having the end edges of the longitudinal plates with holes for fixing by screws shear plates. 3. Cultivation Table according to previous claims, characterized in that a piece of rubber is included as a supported cuvette is positioned inside the plates which constitute the support base, establishing a means of protection and isolation for both the continent as the contents of the entire table. 4. Cultivation Table according to claim 1, wherein the central flexible plate is fixed to the longitudinal side plates by screws.