Current situation and development in plant protection
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| Format: | Texto biblioteca |
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1967
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| Subjects: | PL PPC NE, PLANT PROTECTION, PLANT DISEASES, PESTS OF PLANTS, DISEASE CONTROL, PESTICIDES, QUARANTINE, TRADE, REGULATIONS, PROTECTION DES PLANTES, PROTECCION DE LAS PLANTAS, MALADIE DES PLANTES, RAVAGEUR DES PLANTES, CONTROLE DE MALADIES, PESTICIDE, QUARANTAINE, COMMERCE, REGLEMENTATION, ENFERMEDADES DE LAS PLANTAS, PLAGAS DE PLANTAS, CONTROL DE ENFERMEDADES, PLAGUICIDAS, CUARENTENA, COMERCIO, REGLAMENTACIONES, |
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