Yazar
Anthony Spuler
5 cilt bulundu.
Cilt sonuçları
The orchard leaf-roller
Anthony Spuler · State College of Washington, Agricultural Experiment Station
Sayfa sayısı yok · 1922
Leafrollers / Fruit / Diseases and pests
Codling moth traps
Anthony Spuler · State College of Washington, Agricultural Experiment Station
12 sayfa · 1927
Control / Codling moth
Spraying experiments for codling moth control
Anthony Spuler · State College of Washington, Agricultural Experiment Station
70 sayfa · 1929
Control / Codling moth
Oil sprays for dormant use
Anthony Spuler · State College of Washington, Agricultural Experiment Station
27 sayfa · 1931
Oil as pesticide / Control / Insect pests
Oil sprays for summer use
Anthony Spuler · State College of Washington, Agricultural Experiment Station
39 sayfa · 1931
Oil as pesticide / Control / Insect pests