by Robert H. Ruth
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Management of western hemlock-Sitka spru...
A 4-year record of Sitka spruce and west...
Forest residues in hemlock-spruce forest...
Ten-year history of an Oregon coastal pl...
Plantation survival and growth in two br...
Reducing wind damage in the forests of t...
Determining individual tree shade length
Fiziologicheskie osnovy tenevynoslivosti...
An evaluation of glass prisms in boat do...
Richtige Anwendung und zweckmässige baul...
Injuries to shade trees from electricity
Use of saran shade cloth in greenhouse t...