Training course handouts for plant protection officers and crop production officers, 1990/1991
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Gaborone (Botswana)
1991
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| Subjects: | PLANT PROTECTION, PESTS OF PLANTS, PLANT DISEASES, PEST CONTROL, DISEASE CONTROL, WEED CONTROL, LOCUSTA, PESTICIDES, PROTECTION DES PLANTES, RAVAGEUR DES PLANTES, MALADIE DES PLANTES, PROTECCION DE LAS PLANTAS, PLAGAS DE PLANTAS, ENFERMEDADES DE LAS PLANTAS, LUTTE ANTIRAVAGEUR, CONTROLE DE MALADIES, DESHERBAGE, PESTICIDE, CONTROL DE PLAGAS, CONTROL DE ENFERMEDADES, ESCARDA, PLAGUICIDAS, |
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