Observations on crop pests in the Sudan in 1966/67.
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
1967
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| Subjects: | VARIETIES, PESTS OF PLANTS, PLANT PROTECTION, VARIETE, RAVAGEUR DES PLANTES, VARIEDADES, PLAGAS DE PLANTAS, PROTECTION DES PLANTES, PROTECCION DE LAS PLANTAS, |
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