Yazar
Kurt William Gottschalk
2 cilt bulundu.
Cilt sonuçları
Silvicultural guidelines for forest stands threatened by the gypsy moth
Kurt William Gottschalk · U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
50 sayfa · 1993
Forest management / Gypsy moth / Integrated control
Photographic guide to crown condition of oaks
Kurt William Gottschalk · Northeastern Area, State and Private Forestry, Appalachian Integrated Pest Management Program
Sayfa sayısı yok · 1993
Gypsy moth / Oak dieback / Oak / Biological control / Diseases and pests