Search Results - Ryser, J.-P

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  1. 1
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    Düngung der Gemüse
    by Gysi, Ch, Ryser, J.-P

    Published 1977
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  2. 2
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    Normes de fumure et état de fertilité des sols
    by Rod, Ph, Ryser, J.-P

    Published 1969
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    Développement d'une prairie ensemencée sous l'influence de différentes formules de fumure
    by Caputa, J., Quinche, J. P., Ryser, J.-P

    Published 1972
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  4. 4
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    Recherches sur l'influence des différents types d'engrais phosphatés, potassiques et des algues marines recommandées comme amendement calcaire, sur prairies naturelles
    by Ryser, J.-P

    Published 1971
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