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By: Ruth, Robert H.Edition:Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970Volume: no.96Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Effect of shade on Forest ecology Germination Northwest, Pacific Plants SalmonberryBHL Collections:
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By: Cook, O. F. (Orator Fuller),Edition:Publication info: Washington, U.S. Dept. of Agriculture, Division of Botany, 1901Volume: no.25Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Coffee Effect of shade on PlantsBHL Collections:
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By: Ryker, Russell A. - Potter, Dale R. - Intermountain Forest and Range Experiment Station (Ogden, Utah)Edition:Publication info: Ogden, Utah, U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, 1970Volume: no.119Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Douglas fir Effect of shade on Plants SeedlingsBHL Collections: