Nodules on black locust (robinia pseudoacacia) with rhizobium bacteria nitrogen-fixing; see slides #42 and 43. Alfisol, HF, BSY.

Nodules on roots of Alnus glutinosa from Dorset area; x10.

Normal purpling of jack pine after the onset of the first frosts. Jack pine, winter "purpling."

Normal storage. Hardwoods, storage, heeling-in.

Normal white spruce planted in poorly-drained, old field sandy loam, Larose Forest, Limerick. Person is J.R.M. (Mack) Williams

North Florida, foreground area for planting, background are 8 yr plantation of slash pine on diked and bedded lands

North Florida, disking and bedding for planting with slash pine

North Saskatchewan River - near Grade Cache

Northern Forest Biology Centre under construction. Lakehead University. Thunder Bay. Person is Keith McClain.

Northern Maine- Appalachians