Yazar
George P Markin
7 cilt bulundu.
George P. Markin · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Sayfa sayısı yok · 1982
Insecticides / Western spruce budworm
George P Markin · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Sayfa sayısı yok · 1983
Carbaryl / Western spruce budworm
George P Markin · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Sayfa sayısı yok · 1982
Control / Insecticides / Aerial spraying and dusting in forestry / Atmospheric circulation / Forest insects
George P Markin · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Sayfa sayısı yok · 1978
Insecticides / Biodegradation / Biological assay
George P Markin · Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Sayfa sayısı yok · 1978
Spruce budworm / Insecticides / Testing / Douglas-fir tussock moth
George P Markin · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station
Sayfa sayısı yok · 1986
Control / Aerial spraying and dusting in forestry / Western spruce budworm
ROBERT E.. STEVENS, V.M. CAROLIN, AMD GEORGE P. MARKIN · CANADA UNITED STATES SPRUCE BUDWORMS PROGRAM
62 sayfa · 1984
Kategori yok