Three mechanized tree harvesting systems are being used to harvest jack
pine timber crops in northern Minnesota. A study of the effect of these
systems on factors influencing jack pine regeneration was made in the summer
of 1969 at the University of Minnesota Forest Research Center at
Cloquet. This report describes the residual site conditions existing after the
final harvest of a mature jack pine stand by each harvesting method and
evaluates them according to conditions required for securing pine reproduction.
It is one of a series of studies to be made on the effect of mechanized
harvesting on environmental factors that influence regenerating a new forest.
Zasada, Z.A.; Alm, A.A..
Effect of Mechanized Tree Harvesting on Jack Pine Regeneration Requirements.
Minnesota Agricultural Experiment Station.
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