DeBell, Dean S. - Biodiversity Heritage Library

Effects of different sources of fertilizer nitrogen on growth and nutrition of western hemlock seedlings

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By: Radwan, M. A., - DeBell, Dean S. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1980

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

Effects of manganese and manganese-nitrogen applications on growth and nutrition of Douglas-fir seedlings

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By: Radwan, M. A., - Shumway, John S. - DeBell, Dean S. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.

Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1979

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

Variation in damage from growing-season frosts among open-pollinated families of red alder

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By: Peeler, Kevin C. - DeBell, Dean S. - Pacific Northwest Research Station (Portland, Or.)

Publication info: [Portland, Or.?], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1987]

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