국립중앙도서관

Proceedings : new and improved techniques for monitoring and evaluating spruce budworm populations : September 13-15, 1983, Holiday Inn, Burlington, VT

• 저자 :

  sponsored by Vermont Department of Forests, Parks and Recreation, USDA Forest Service, State and Private Forestry, CANADA/United States Spruce Budworms R

• 발행처 :

  The Station

• 발행연도 :

  1984

국립중앙도서관

Rooting Sitka spruce from southeast Alaska

• 저자 :

  Donald L. Copes

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

• 발행연도 :

  1987

국립중앙도서관

(The)Western spruce budworm model : structure and content

• 저자 :

  Katharine A. Sheehan ... [et al.]

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

• 발행연도 :

  1989

국립중앙도서관

Proceedings of the US/FRG Research Symposium : effects of atmospheric pollutants on the spruce-fir forests of the eastern United States and the Federal Republic of Germany : October 19-23, 1987, Burlington, Vermont

• 저자 :

  sponsored by USDA Forest Service, Northeastern Forest Experiment Station ... [et al.]

• 발행처 :

  The Station

• 발행연도 :

  1988

국립중앙도서관

Spruce budworms handbook : how to protect individual trees from western spruce budworm by implants and injections

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Cooperative State Research Service

• 발행연도 :

  1984

국립중앙도서관

Influence of overstory removal and western spruce budworm defoliation on growth of advance conifer regeneration in Montana

• 저자 :

  Clinton E. Carlson, Wyman C. Schmidt

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station

• 발행연도 :

  1989

국립중앙도서관

Proceedings : new and improved techniques for monitoring and evaluating spruce budworm populations : September 13-15, 1983, Holiday Inn, Burlington, VT

• 저자 :

  sponsored by Vermont Department of Forests, Parks and Recreation, USDA Forest Service, State and Private Forestry, CANADA/United States Spruce Budworms R

• 발행처 :

  The Station

• 발행연도 :

  1984

국립중앙도서관

Oxyfluorfen safe to use in Engelmann spruce seedbeds

• 저자 :

  John P. Sloan

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

• 발행연도 :

  1993

국립중앙도서관

Potential for forest products in interior Alaska

• 저자 :

  George R. Sampson ... [et al.]

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

• 발행연도 :

  1988

국립중앙도서관

Dispersal of second-instar Western Spruce Budworm above and below forest canopies in western Montana

• 저자 :

  C.E. Carlson, G.J. McCarthy

• 발행처 :

  U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station

• 발행연도 :

  1989