Cotton spraying in the Sudan Gezira - 2, Entomological problems arising from spaying.
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| Format: | Texto biblioteca |
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1955
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| Subjects: | ENTOMOLOGY, SPRAYING, COTTON, EPIDEMIOLOGY, PEST INSECTS, CICADELLIDAE, LOSSES, HELIOTHIS, PARATHION, CHEMICAL REACTIONS, BIOLOGY, ALEYRODIDAE, ENTOMOLOGIE, PULVERISATION, COTON, ENTOMOLOGIA, PULVERIZACION, ALGODON, EPIDEMIOLOGIE, INSECTE NUISIBLE, PERTE, REACTION CHIMIQUE, BIOLOGIE, EPIDEMIOLOGIA, INSECTOS DANINOS, PERDIDAS, PARATION, REACCIONES QUIMICAS, BIOLOGIA, |
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