Cultivation enclosure, has walls widened from bottom to top, lower part that is narrow in length and width directions if enclosure is rectangle or irrespective of polygonal shape of enclosure, where enclosure is raised from ground
The enclosure has walls (4) that are widened from bottom to top, and a lower part that is narrow in length and width directions if the enclosure is rectangle or irrespective of polygonal shape of the enclosure. A leg assembly (3) maintains a compartment and a floor (2) of the enclosure above ground such that the enclosure is raised from ground, where the assembly is constituted by a stack of wood billet sections. A frame made of porous material regulates water flow and protects the billet sections.