Showing results under subject: 'soil science'

Effects of stratification and temperature on seed germination speed and uniformity in central Oregon ponderosa pine (Pinus ponderosa Dougl. ex Laws.)

Author: Weber, John C. - Sorensen, Frank C.
Publisher:Portland Or,US Dept of Agriculture, Forest Service, Pacific Northwest Research Station 1990
Abstract: no abstract

Levels-of-growing-stock cooperative study in douglas-fir : report no. 11--Stampede Creek : a 20-year progress report

Author: Curtis, Robert O. - Pacific Northwest Research Station (Portland, Or.)
Publisher:Portland Or,US Dept of Agriculture, Forest Service, Pacific Northwest Research Station 1992
Abstract: no abstract

A guide to forest disease research in the Northeast

Author: Fowler, Marvin E. (Marvin Edward),
Publisher:Upper Darby Pa,Northeastern Forest Experiment Station, Forest Service, US Dept of Agriculture 1963
Abstract: no abstract

Internal parasites & U.S. horses : ascarids

Author: United States. Animal and Plant Health Inspection Service. Veterinary Services. Centers for Epidemiology and Animal Health. - National Animal Health Monitoring System (U.S.)
Publisher:Fort Collins CO,US Dept of Agriculture, Animal and Plant Health Inspection Service 2000
Abstract: no abstract

Minnesota's tax-forfeited land : some trends in revenues and expenses

Author: Lothner, David C. - Kallio, E., - Davis, David T., - North Central Forest Experiment Station (Saint Paul, Minn.) - United States. Forest Service.
Publisher:St Paul Minn,Dept of Agriculture, Forest Service, North Central Forest Experiment Station 1978
Abstract: no abstract

BIA forest lands of North and South Dakota, 1996

Author: Haugen, David E. - Hansen, Mark H.
Publisher:St Paul Minn,US Dept of Agriculture, Forest Service, North Central Research Station 2002
Abstract: no abstract

Guidelines for monitoring populations of neotropical migratory birds on national forest system lands : monitoring task group report

Author: Manley, Patricia N. - United States. Forest Service. Wildlife and Fisheries Staff.
Publisher:Washington DC,US Dept of Agriculture, Forest Service, Wildlife and Fisheries Staff 1993
Abstract: no abstract

Amber sunglasses enhance foliage color discrimination

Author: Wade, Gary L. - Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher:Radnor Pa,US Dept of Agriculture, Forest Service, Northeastern Forest Experiment Station 1997
Abstract: no abstract

Southern forestry notes : No. 126, March 1960

Author: Southern Forest Experiment Station (New Orleans, La.)
Publisher:New Orleans La,US Department of Agriculture, Forest Service, Southern Forest Experiment Station 1960
Abstract: no abstract

Southern forestry notes : No. 116, July 1958

Author: Southern Forest Experiment Station (New Orleans, La.)
Publisher:New Orleans La,US Department of Agriculture, Forest Service, Southern Forest Experiment Station 1958
Abstract: no abstract
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