Provided is an apparatus for hydroponic plant production including a tray; having interior and exterior bottom surfaces; a plurality of drip holes disposed within a bottom portion of the tray, the drip holes passing from the exterior bottom surface of the bottom portion of the tray through to the interior bottom surface; a support medium; a plurality of first spacers configured to suspend the support medium above the interior bottom surface, forming an space between the support medium and the interior bottom surface; and a dome defining an interior volume, the dome disposed above the tray and removably attached thereto; wherein the interior volume is configured to accommodate a plurality of plants growing; and the support medium is configured to provide a matrix supporting roots of the plants and convey a nutrient medium to the roots. Also provided is a grow bed to hold a plurality of claimed trays.