d j caffrey

D. J. Caffrey · U.S. Dept. of Agriculture

155 sayfa · 1927

European corn borer

D. J. Caffrey · U.S. Dept. of Agriculture

35 sayfa · 1919

Grain / Diseases and pests

D. J. Caffrey · Govt. Print. Off.

Sayfa sayısı yok · 1926

European corn borer

D. J. Caffrey · U.S. Dept. of Agriculture

Sayfa sayısı yok · 1956

Sphingidae / Larvae / Control / Tobacco / Diseases and pests

D. J. Caffrey, L. H. Worthley · U.S. Dept. of Agriculture

45 sayfa · 1922

European corn borer / Control / Corn / Diseases and pests

D. J. Caffrey, L. H. Worthley · U.S. Dept. of Agriculture

48 sayfa · 1927

European corn borer / Control

Ross C. Thompson, D. J. Caffrey · U.S. Dept. of Agriculture

16 sayfa · 1954

Cauliflower / Broccoli