Methods of estimating national fertilizer requirements.
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| Format: | Texto biblioteca |
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1965
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| Subjects: | PLANT REQUIREMENTS, FERTILIZER APPLICATION, FORECASTING, PLANNING, FERTILIZERS, TRIAL METHODS, TESTING, NUTRIENTS, APPLICATION RATES, EXPERIMENTATION, COSTS, EXIGENCE DES PLANTES, FERTILISATION, TECHNIQUE DE PREVISION, NECESIDADES DE LAS PLANTAS, APLICACION DE ABONOS, TECNICAS DE PREDICCION, PLANIFICATION, ENGRAIS, METHODE D'ESSAI, TESTAGE, SUBSTANCE NUTRITIVE, DOSE D'APPLICATION, COUT, PLANIFICACION, ABONOS, METODOS DE ENSAYO, ENSAYO, NUTRIENTES, DOSIS DE APLICACION, EXPERIMENTACION, COSTOS, |
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