An assemblable and disassemblable planter box for propagation, growing, transporting, and planting. The planter box has two sides and a bottom saucer. The sides are attached by engaging assembly a tongue along one edge with a groove formed by side by side lips along a corresponding edge, and inserting locks through the tongue and lips. The bottom saucer attaches the assembled sides to complete the planter box. The bottom saucer may be attached to the sides by bottom saucer locks inserted through bottom saucer slots and into side bottoms. Slots near side tops may receive horizontal planks and diagonal rods reaching up from corner tops help stabilize trees in the planter box. The bottom saucer may includes fork lift passages to facilitate movement of large planter boxes. The sides and bottom saucer may be made from High Density PolyEthylene (HDPE) or from PolyPropylene (PP), both recyclable materials.

A system having an elongated body defining a hollow passageway therethrough, which includes as a first opening disposed about a longitudinal upper half of the elongated body, and at least two second openings disposed about longitudinal side zones of the elongated body, wherein each of the at least two second opening has an area of between 80 and 700 cm.sup.2.

A method and system for planting seedlings including a seedling handling system, a seedling chute system and a planting head. The seedling handling system retrieves the seedlings and then the seedling chute system transfers the seedlings from the seedling handling system to the planting head which then plants the seedlings. The method includes retrieving a row of seedlings and then delivering the row of seedlings to the planting head for individual planting of the seedlings. The method and system provide for continuous tree planting.

A method and system for planting seedlings including a seedling handling system, a seedling chute system and a planting head. The method includes retrieving a row of seedlings and then delivering the row of seedlings to the planting head for individual planting of the seedlings.

A system having an elongated body defining a hollow passageway therethrough, which includes as a first opening disposed about a longitudinal upper half of the elongated body, and at least two second openings disposed about longitudinal side zones of the elongated body, wherein each of the at least two second opening has an area of between 80 and 700 cm.sup.2.

A method and system for planting seedlings including a seedling handling system, a seedling chute system and a planting head. The method includes retrieving a row of seedlings and then delivering the row of seedlings to the planting head for individual planting of the seedlings.