Improved Plastic Tubes for Seedlings
Considerable attention has been given to planting trees using a tube in which seed has been germinated under controlled conditions and out-Planted in the field 6 or 8 weeks after germination. This technique has improved survival and initial height growth of longleaf pine, wlanut, and oak. Tubelings more adequately supply water demands of seedlings with large root systems than of nursery grown root-pruning stock.
Download this file:

Details
Author(s): Gary D. Schlaeger
Publication: Tree Planters' Notes - Volume 19, Number 4 (1969)
Volume: 19
Number: 4