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d c parman
6 cilt bulundu.
Cilt sonuçları
A box-type trap to aid in the control of eye gnats and blowflies
D. C. Parman · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1932
Insect traps / Control / Blowflies / Insect pests
Screw-worms and other maggots affecting animals
F. C. Bishopp, J. D. Mitchell, D. C. Parman · U.S. Dept. of Agriculture
20 sayfa · 1922
Screwworm / Control / Maggots
Tests of blowfly baits and repellents during 1926
D. C. Parman, United States. Department of Agriculture. National Agricultural Library. · U.S. Dept. of Agriculture
15 sayfa · 1928
Blowflies / Insect baits and repellents / Research
Arsenate of lead as an insecticide against the tobacco hornworms in the dark-tobacco district
A. C. Morgan, D. C. Parman, United States. Department of Agriculture. National Agricultural Library., United States. Bureau of Entomology · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1914
Lead arsenate / Tobacco hornworm / Control / Tobacco / Diseases and pests