Plant disease situation in the United states.
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Format: | Texto biblioteca |
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Published: |
1956
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Subjects: | PLANT DISEASES, MILDEWS, GRASSES, SPORES, MALADIE DES PLANTES, ENFERMEDADES DE LAS PLANTAS, MILDIOU OIDIUM, GRAMINEE, SPORE, MILDIU, GRAMINEAS, ESPORAS, |
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