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1920

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Diseases of cotton, sugar cane, forest trees, ornamentals and miscellaneous plants in the United States in 1919 | Diseases of forest trees, ornamentals and miscellaneous plants in the United States in 1919 Texte intégral

1920

Martin, G. H.

sugar crops trees plants fiber plants united states diseases and pests ornamental
National Agricultural Library - United States of America
Diseases of cotton, sugar cane, forest trees, ornamentals and miscellaneous plants in the United States in 1919 | Diseases of forest trees, ornamentals and miscellaneous plants in the United States in 1919 Texte intégral

1920

Martin, G. Hamilton.

trees plants sugar crops united states fiber plants ornamental diseases and pests
The Biodiversity Heritage Library - United Kingdom