1-7 of 7 Books

When to pick pine cones
By Lake States Forest Experiment Station (Saint Paul, Minn.)

Testing cone ripeness
By Lake States Forest Experiment Station (Saint Paul, Minn.)

Five-year results of a growing-stock density study in 85-year-old white pine
By Robert E. Buckman

Some forest overstory effects on microclimate and related white pine blister rust spread
By E. P. Van Arsdel
The economics of white pine blister rust control in the Lake States
The economics of white pine blister rust control in the Lake States
By United States. Forest Service.
Some aspects of apical dominance in Pinus strobus L
Some aspects of apical dominance in Pinus strobus L
By Charles Harrison Anthony Little

Incidence of white pine blister rust infection in the Lake States
By D. B. King