Physical and economic summary of trial and demonstration results 1961/62-1964/65.
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| Format: | Texto biblioteca |
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1967
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| Subjects: | FERTILIZERS, SOIL MANAGEMENT, WORLD, TRIAL METHODS, PLANT RESPONSE, YIELDS, ECONOMICS, TESTING, EXTENSION ACTIVITIES, ENGRAIS, GESTION DU SOL, ABONOS, MANEJO DEL SUELO, MONDE, METHODE D'ESSAI, REPONSE DE LA PLANTE, RENDEMENT, ECONOMIE, TESTAGE, VULGARISATION, MUNDO, METODOS DE ENSAYO, RESPUESTA DE LA PLANTA, RENDIMIENTO, ECONOMIA, ENSAYO, EXTENSION, |
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