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Spraying
A. B. Cordley · Oregon Agricultural Experiment Station
19 sayfa · 1898
Spraying and dusting in agriculture
Apple tree anthracnose
A. B. Cordley · Oregon Agricultural Experiment Station
Sayfa sayısı yok · 1900
Anthracnose / Apple / Diseases and pests
Spraying for peach fruit spot
A. B. Cordley · Oregon Agricultural College Press
15 sayfa · 1909
Control / Peach / Diseases and pests
Orchard spraying
A. B. Cordley · Oregon Agricultural College and Experiment Station
16 sayfa · 1909
Control / Fruit trees / Spraying and dusting in agriculture / Diseases and pests