Abstract: A rack system for growing crops includes a first stand, a second stand, and a base supporting the first and second stands. At least one tray holder is positioned on each of the first and second stands, and at least one rack tray has a plurality of attachment points at opposite ends of the at least one rack tray. The attachment points allow the at least one rack tray to tilt to a plurality of predetermined angles. The rack can be pre-fabricated or composed of multiple independent pieces. The trays tilt to various calibrated angles and provide a maximum amount of light on the trays. Further, the rack system can have various attachments and can be optionally setup in a controlled environment. The rack system can be set up over existing arable land or in un-utilized locations where irrigation is sourced from below a body of water.