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harry w yawney
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Introducing white pine into poor-site hardwood stands in West Virginia
Harry W. Yawney · Northeastern Forest Experiment Station, Forest Service, United States Department of Agriculture
10 sayfa · 1961
White pine / Hardwoods / Forests and forestry
Oak soil-site relationships in the ridge and valley region of West Virginia and Maryland
Harry W. Yawney · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
19 sayfa · 1968
Forest site quality / Soils / Oak
Storage requirements for sugar maple seeds
Harry W. Yawney · Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station
Sayfa sayısı yok · 1974
Seeds / Storage / Sugar maple
A sugar maple planting study in Vermont
Harry W. Yawney · Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
14 sayfa · 1970
Sugar maple