Plant disease situation in the United states.
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Format: | Texto biblioteca |
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1953
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Subjects: | PLANT DISEASES, DISEASE CONTROL, ULMUS, EPIDEMICS, ETIOLATION, PENNISETUM, GRASSES, PUERTO RICO, PRATYLENCHUS, SUGARCANE, ROOTS, NEMATODA, LOUISIANA, MALADIE DES PLANTES, ENFERMEDADES DE LAS PLANTAS, CONTROLE DE MALADIES, EPIDEMIE, ETIOLEMENT, GRAMINEE, PORTO RICO, CANNE A SUCRE, RACINE, LOUISIANE, CONTROL DE ENFERMEDADES, EPIDEMIA, AHILAMIENTO, GRAMINEAS, CANA DE AZUCAR, RAICES, LUISIANA, |
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