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Lignende e-bøger
Aphids Injurious to Orchard Fruits, Currant Gooseberry and Grape
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Gratis
The Apple Maggot Or "railroad Worm" (Rhagoletis [Trypeta] Pomonella Walsh.)
5,0
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Gratis
The Cotton Bollworm: An Account of the Insect, with Results of Experiments in 1903
5,0
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Gratis
The Strawberry Thrips and the Onion Thrips
5,0
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Gratis
Three Injurious Insects: Bean Leaf-roller, Corn Delphax, Canna Leaf-roller
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Gratis
The Apple-tree Tent Caterpillar
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The Leaf Blister Mite of Pear and Apple
5,0
star
Gratis
Some Important Insect Enemies of Cucurbits
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The Spring Canker-worm
5,0
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San Jose Scale [Aspidiotus Perniciosus Comstock] and Its Control
5,0
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Gratis
The Control of the Codling Moth in the Pecos Valley in New Mexico
5,0
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Gratis
A Preliminary Report Upon the Insect Enemies of Tobacco in Florida: Volumes 44-58
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The Periodical Cicada, and Its Occurrence in Maryland in 1902
5,0
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Papers on Deciduous Fruit Insects and Insecticides: The Lesser Apple Worm. (Enarmonia Prunivora Walsh).
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Collected Papers: Volume 1
Gratis
The More Important Aleyrodidæ Infesting Economic Plants: With Description of a New Species Infesting the Orange
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Fumigation of Apples for the San Jose Scale
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The More Important Insect and Fungous Enemies of the Fruit and Foliage of the Apple
5,0
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Life History of the Codling Moth in the Pecos Valley, New Mexico
5,0
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The Oyster-shell Scale and the Scurfy Scale
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Gratis