Fuente: WIPO "tomato" The present disclosure relates to a hydroponic growth medium comprising at least two vertical pieces, each comprising a top downwardly tapered portion and a bottom elongated portion, the pieces being configured and adapted to be assembled together to form a rooting structure having a top conical body including a top wide opening and gradually tapering downwards to a junction transitioning to the bottom narrow extension where the bottom elongated portions come into longitudinal contact with each other to form a narrow extension distal to the top wide opening; and a circular element for securing the rooting structure, wherein the at least two vertical pieces comprise at least one ester-linked polymer. Also disclosed is a method of cultivating a plant, a method of manufacturing the hydroponic growth medium, and a kit relating to the hydroponic growth medium.