Abstract: The present invention entails a plant/seedling/plug growing tray/container plants and their matrix transfer and transplanting systems and methods which includes trays/containers with a plurality of individual plant/seedling/plug cells/pots and manual, mechanical, pneumatic, hydraulic, and/or electrical systems that are operative to induce plants to a planting area or receptacle such as flats, pots, containers, or the field. The trays/containers also serve as a plant supply cartridges for air-pruned plants/seedlings/plugs so that they can be manually, semi-automatically or automatically removed from the open tray cell top or bottom for matrix transfer and transplanting, using manual, mechanical, pneumatic, hydraulic and/or electrical means.