Search Results - "Potassium fertilizers"

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    Invloed van tipe kaliumbemestingstop op aartappels (Solanum tuberosum L.) by Bester, Gabriel Gerhardus

    Published 2012
    Subjects: “…Potassium fertilizers…”
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    Sommige faktore wat die opname van kalium uit die Arcadia serie deur Nicotiana Tabacum L. beïnvloed by Steenkamp, Christiaan Jacobus

    Published 2012
    Subjects: “…Potassium fertilizers…”
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    Kalium ewewigte in die swart turfgrond en die opname daarvan deur tabak by Steenkamp, Christiaan Jacobus

    Published 2012
    Subjects: “…Potassium fertilizers…”
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