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f w poos
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Cilt sonuçları
The potato leafhopper
F. W. Poos · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1942
Empoasca fabae / Control / Alfalfa / Diseases and pests / Legumes
The meadow spittlebug
F. W. Poos · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1953
Philaenus leucophthalmus / Control / Cercopidae / Legumes / Diseases and pests
The wheat strawworm and its control
W. J. Phillips, F. W. Poos · U.S. Dept. of Agriculture
10 sayfa · 1923
Wheat strawworm / Control / Wheat / Diseases and pests