Yazar
donald f flora
14 cilt bulundu.
Donald F. Flora · University of Washington Center for International Trade in Forest Products
29 sayfa · 1986
Economic aspects of Forest products / Forest products / Lumber trade / Marketing
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
11 sayfa · 1990
Forest products industry / Forests and forestry / Logging / Lumber trade
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
22 sayfa · 1991
Grading / Lumber / Lumber trade / Prices
Donald F. Flora · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
17 sayfa · 1966
Control / Diseases and pests / Dwarf mistletoes / Ponderosa pine / Arceuthobium
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
13 sayfa · 1989
Forest products / Grading / Prices / Timber
Donald F. Flora · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
14 sayfa · 1965
Diseases and pests / Economic aspects / Economic aspects of European pine shoot moth / European pine shoot moth / Ponderosa pine
Donald F. Flora · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
10 sayfa · 1966
Costs / Logging / Ponderosa pine / Thinning
Donald F. Flora · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
16 sayfa · 1966
Arceuthobium / Control / Diseases and pests / Ponderosa pine
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
15 sayfa · 1992
Douglas fir / Lumber trade / Prices / Spotted owl
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
72 sayfa · 1991
Lumber trade
Donald F. Flora · United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
18 sayfa · 1993
Douglas fir / Lumber trade / Prices
Donald F. Flora · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
207 sayfa · 2003
Economic aspects of Forests and forestry / Forests and forestry / Pacific Northwest Research Station (Portland, Or.) / Research
Donald F. Flora · Pacific Northwest Forest and Range Experiment Station
145 sayfa · 1964
Douglas fir / Tree-rings