Yazar
nancy j sturdevant
6 cilt bulundu.
Nancy J. Sturdevant · U.S. Dept. of Agriculture, Forest Service, Northern Region
Sayfa sayısı yok · 2009
Mountain pine beetle / Control / Lodgepole pine / Diseases and pests
Nancy J. Sturdevant · United States Department of Agriculture Forest Service, Northern Region
Sayfa sayısı yok · 2016
Pine / Diseases and pests / Control / Sequoia pitch moth / Case studies
Nancy J. Sturdevant · U.S. Dept. of Agriculture, Forest Service, Northern Region
Sayfa sayısı yok · 2000
Spotted knapweed / Biological control / Agapeta zoegana / Cyphocleonus achates
Nancy J. Sturdevant · U.S. Dept. of Agriculture, Forest Service, Northern Region
Sayfa sayısı yok · 2000
Douglas-fir tussock moth
Nancy J. Sturdevant · U.S. Dept. of Agriculture, Forest Service, Northern Region
Sayfa sayısı yok · 2002
Curculionidae / Spotted knapweed / Insects as biological pest control agents / Biological control / Cochylidae
Nancy J. Sturdevant · U.S. Dept. of Agriculture, Forest Service, Northern Region
Sayfa sayısı yok · 2003
Spotted knapweed / Biological control