An introduction to the Agricultural Early Warning System
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Main Authors: | , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
Beijing (China) Beijing Agriculture Univ. Press
1994
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Subjects: | AGRICULTURAL WARNING SERVICES, METHODS, PLANNING, AVERTISSEMENT AGRICOLE, AVISOS AGRICOLAS, METHODE, PLANIFICATION, METODOS, PLANIFICACION, |
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