Yazar
larry r barber
2 cilt bulundu.
Cilt sonuçları
Final report
Larry R. Barber · USDA Forest Service, State and Private Forestry, Southeastern Area, Forest Pest Management
27 sayfa · 1985
Aerial spraying and dusting in agriculture / Dioryctria / Effect of insecticides on / Blister coneworm
A comparison of ground and aerial application at the union camp southern states Lobolly Pine Seed Orchard
Larry R. Barber · USDA Forest Service, State and Private Forestry, Southeastern Area, Forest Pest Management
Sayfa sayısı yok · 1991
Aerial spraying and dusting in agriculture / Spraying and dusting in agriculture