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entomology division

18 cilt bulundu.

Cilt sonuçları

The hop plant-louse and the remedies to be used against it ..

United States. Division of Entomology. · Govt. Print. Off.

Sayfa sayısı yok · 1891

Hop plant-louse / Hops / Control / Aphids / Hop-aphis

Insect life

United States. Division of Entomology., United States. Bureau of Entomology. · G.P.O.

441 sayfa · 1893

Kategori yok

Bulletin

United States. Bureau of Entomology., United States. Division of Entomology. · U.S. Govt. Print. Off.

Sayfa sayısı yok · 1898

Kategori yok

The balsam woolly aphid

Canada. Dept. of Agriculture. Entomology Division. · [Queen's Printer]

Sayfa sayısı yok · 1958

Balsam woolly aphid / Balch, R. E / Balch, R. E.

Concentrate spraying in deciduous orchards

Canada. Dept. of Agriculture. Entomology Division. · [Queen's Printer]

47 sayfa · 1958

Diseases and pests / Apples / Spraying and dusting in agriculture / Equipement / Pulvérisation

The squash vine borer

Canada. Dept. of Agriculture. Entomology Division. · Yayınevi bilinmiyor

Sayfa sayısı yok · 1954

Control / Térébrants, Lutte contre les / Squashes / Diseases and pests / Borers (Insects)

CONTROL OF GRASSHOPPERS IN THE PRAIRIE PROVINCES

Canada. Dept. of Agriculture. Entomology Division. · Yayınevi bilinmiyor

10 sayfa

Control / Pests / Grasshoppers

TreesInsects affecting the orangeUnited States. Division of Entomology.

Insects affecting the orange

United States. Division of Entomology. · Sine nomine

265 sayfa · 1885

Control / Citrus fruits / Pests / Trees

United States. Dept. of AgricultureThe Honey Bee: A Manual of Instruction in ApicultureUnited States. Division of Entomology.

The Honey Bee: A Manual of Instruction in Apiculture

United States. Division of Entomology. · Sine nomine

140 sayfa · 1895

Bees / Honey / United States / United States. Dept. of Agriculture

InsecticidesCondensed information concerning some of the more important insecticidesUnited States. Division of Entomology.

Condensed information concerning some of the more important insecticides

United States. Division of Entomology. · Govt. Print. Off.]

Sayfa sayısı yok · 1891

Insecticides

CiltReport of the Dominion EntomologistCanada. Dept. of Agriculture. Entomology Division., Canada Dept of Agriculture Research B

Report of the Dominion Entomologist

Canada. Dept. of Agriculture. Entomology Division., Canada Dept of Agriculture Research B · Creative Media Partners, LLC

Sayfa sayısı yok · 2018

Kategori yok

CiltReport of the Dominion EntomologistCanada. Dept. of Agriculture. Entomology Division.

Report of the Dominion Entomologist

Canada. Dept. of Agriculture. Entomology Division. · Yayınevi bilinmiyor

Sayfa sayısı yok

Kategori yok

Cattle liceControl of cattle lice by W.O. HaufeCanada. Dept. of Agriculture. Entomology Division.

Control of cattle lice by W.O. Haufe

Canada. Dept. of Agriculture. Entomology Division. · Queen's Printer]

Sayfa sayısı yok · 1957

Cattle lice

Diseases and pestsList of insects and mites affecting tree fruits in CanadaCanada. Dept. of Agriculture. Entomology Division.

List of insects and mites affecting tree fruits in Canada

Canada. Dept. of Agriculture. Entomology Division. · Yayınevi bilinmiyor

38 sayfa · 1958

Fruit / Diseases and pests

Carpenter antsCarpenter ant infestation and its ControlCanada. Dept. of Agriculture. Entomology Division.

Carpenter ant infestation and its Control

Canada. Dept. of Agriculture. Entomology Division. · Queen's Printer]

Sayfa sayısı yok · 1957

Carpenter ants

FliesFlies and their controlCanada. Dept. of Agriculture. Entomology Division.

Flies and their control

Canada. Dept. of Agriculture. Entomology Division. · Queen's Printer]

Sayfa sayısı yok · 1955

Control / Flies

CiltEntomology Laboratory, ChathamCanada. Dept. of Agriculture. Entomology Division.

Entomology Laboratory, Chatham

Canada. Dept. of Agriculture. Entomology Division. · Yayınevi bilinmiyor

Sayfa sayısı yok

Kategori yok

ExterminationGranulated insecticides for control of the European corn borer in field cornCanada. Dept. of Agriculture. Entomology Division.

Granulated insecticides for control of the European corn borer in field corn

Canada. Dept. of Agriculture. Entomology Division. · Science Service, Entomology Division, Canada Dept. of Agriculture

Sayfa sayısı yok · 1958

European corn borer / Insecticides / Extermination