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AGRIS - Sistema Internacional para la Ciencia y Tecnología Agrícola

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University of Copenhagen (103)

Department for Environment, Food and Rural Affairs (79)

Unassigned data from Yugoslavia (35)

National Agricultural Library (33)

Library of Antonin Svehla (23)

Dinamarca (103)

Reino Unido (79)

Antártida (35)

Estados Unidos de América (33)

air pollution (59)

carga contaminante (58)

charge polluante (58)

pollutant load (58)

water pollution (51)

Resultados 321-322 de 322

A guide to major insects, diseases, air pollution injury, and chemical injury of sycamore Texto completo

1999

Leininger, Theodor Daniel

disease surveys insect pests pesticide residues platanus occidentalis diseases and pests united states forest damage plant pathogens sycamores

National Agricultural Library - United States of America

An assessment of the effects of human-caused air pollution on resources within the interior Columbia River basin Texto completo

1999

Schoettle, Anna

air quality air pollution columbia river watershed united states

National Agricultural Library - United States of America

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