Ceylon - Plant virus disease investigation and control - Report to the government.
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| Format: | Texto biblioteca |
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| Published: |
1954
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| Subjects: | DISEASE CONTROL, RESEARCH, VIROSES, PLANT PROTECTION, CONTROLE DE MALADIES, RECHERCHE, VIROSE, PROTECTION DES PLANTES, CONTROL DE ENFERMEDADES, INVESTIGACION, VIROSIS, PROTECCION DE LAS PLANTAS, |
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