General instructions for the field programme
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| Main Author: | |
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| Format: | Texto biblioteca |
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| Published: |
1972
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| Subjects: | AGL FFHC FP, FERTILIZERS, TRIAL METHODS, EXTENSION ACTIVITIES, FERTILIZER APPLICATION, ENGRAIS, ABONOS, METHODE D'ESSAI, VULGARISATION, FERTILISATION, METODOS DE ENSAYO, EXTENSION, APLICACION DE ABONOS, |
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