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Ten Year Results of the Bear Mountain Mixedwood Trial (EP 1077)
David Jay CoopersmithBob SagarDoug Thompson
其他書名
The Effect of Overtopping Aspen Canopies on White Spruce Seedling Growth and Seedling Microclimate
出版Prince George Forest Region, Forest Resources & Practices Team, 2000
URLhttp://books.google.com.hk/books?id=abXyjwEACAAJ&hl=&source=gbs_api