Helicopter Cone Harvesting- Is It Practical?
An aerial cone rake was used by the Vermont State Tree Nursery and the GeorgiaPacific Nursery to efficiently harvest large quantities of balsam fir (Abies balsamea) cones. During the same collection period a crew was employed to collect balsam fir cones by hand. Cost and production records were maintained for both efforts.
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Author(s): William A. Baron
Event:
Northeastern Area Nurserymen's Conference
1986 - State College, Pennsylvania