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r o strothmann

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R.O. Strothmann and Z.A. Zasada

Rudolph Otto Strothmann · Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture

26 sayfa · 1957

Aspen

A field test of the Baker seed tool in northeastern Minnesota

Rudolph Otto Strothmann · Lake States Forest Experiment Station

Sayfa sayısı yok · 1960

Direct seeding / Conifers / Sowing

Evaluating the growth potential of aspen lands in northern Minnesota

Rudolph Otto Strothmann · Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, and Office of Iron Range Resources and Rehabilitation

20 sayfa · 1960

Forest management / Aspen

Douglas firRegeneration of Douglas-fir in the Klamath Mountains Region, California and OregonRudolph Otto Strothmann

Regeneration of Douglas-fir in the Klamath Mountains Region, California and Oregon

Rudolph Otto Strothmann · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

35 sayfa · 1984

Douglas fir

ReforestationRegeneration of Douglas-fir cutblocks on the Six Rivers National Forest in northwestern CaliforniaRudolph Otto Strothmann

Regeneration of Douglas-fir cutblocks on the Six Rivers National Forest in northwestern California

Rudolph Otto Strothmann · Forest Service, U.S. Dept. of Agriculture, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1979

Douglas fir / Reforestation

SeedlingsDouglas-fir seedlings planted by four methodsRudolph Otto Strothmann

Douglas-fir seedlings planted by four methods

Rudolph Otto Strothmann · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1976

Tree planting / Douglas fir / Seedlings

Douglas firDouglas-fir in northern CaliforniaRudolph Otto Strothmann

Douglas-fir in northern California

Rudolph Otto Strothmann · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

10 sayfa · 1972

Fir / Douglas fir

SeedlingsThe influence of light intensity and soil moisture on the growth and morphology of Red pine seedlingsRudolph Otto Strothmann

The influence of light intensity and soil moisture on the growth and morphology of Red pine seedlings

Rudolph Otto Strothmann · Yayınevi bilinmiyor

176 sayfa · 1964

Norway pine / Growth (Plants) / Seedlings

Douglas firLarge stock and fertilizer improve growth of Douglas-fir planted on unstable granitic soil in northern CaliforniaRudolph Otto Strothmann

Large stock and fertilizer improve growth of Douglas-fir planted on unstable granitic soil in northern California

Rudolph Otto Strothmann · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

Sayfa sayısı yok · 1980

Douglas fir

Plant-soil relationshipsA comparison of the Wilde method of organic matter determination and the official method, with special reference to forest soilsR. O. Strothmann, University of Michigan. School of Natural Resources.

A comparison of the Wilde method of organic matter determination and the official method, with special reference to forest soils

R. O. Strothmann, University of Michigan. School of Natural Resources. · Yayınevi bilinmiyor

Sayfa sayısı yok · 1951

Soils / Composition / Humus / Forest soils / Plant-soil relationships