Grasshoppers and locusts: the plague of the Sahel
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Format: | Texto biblioteca |
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London (UK) Panos Publications
1993
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Subjects: | ACRIDIDAE, INSECT CONTROL, LIFE CYCLE, INFORMATION NEEDS, AGRICULTURAL WARNING SERVICES, CONTROL METHODS, LUTTE ANTIINSECTE, CONTROL DE INSECTOS, CYCLE DE DEVELOPPEMENT, BESOIN D'INFORMATION, AVERTISSEMENT AGRICOLE, METHODE DE LUTTE, CICLO VITAL, NECESIDADES DE INFORMACION, AVISOS AGRICOLAS, METODOS DE CONTROL, |
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