Diseases and insects of hawthorns and their control
Wedi'i Gadw mewn:
| Prif Awdur: | |
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| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
1966
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Eitemau Tebyg: Diseases and insects of hawthorns and their control
- Diseases and insects of hawthorns and their control
- Diseases and insects of
- Insects in relation to plant disease.
- Communicable Disease Control
- Cost and effectiveness of different insect and disease control practices in New York apple orchards.
- COST and effectiveness of different insect and disease control practices in New York apple orchards