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Growth of Douglas-fir, ponderosa pine, and western larch seedlings following seed treatment with 30 percent hydrogen peroxide

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By: Edgren, James W., - Trappe, James M. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service, [1970]

Holding Institution: U.S. Department of Agriculture, National Agricultural Library
Growth of frost-damaged Douglas-fir seedlings

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By: Edgren, James W., - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Publication info: [Portland, Or.], Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1970

Holding Institution: U.S. Department of Agriculture, National Agricultural Library