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  • Sheep wool and leather wast... Sheep wool and leather waste as fertilizers in organic production of asparagus (Asparagus officinalis L.) / OVČJA VOLNA IN OSTRUŽKI USNJA KOT GNOJILI V EKOLOŠKI PRIDELAVI ŠPARGLJA (Asparagus officinalis L.)
    Voncina, Andrej; Mihelic, Rok Acta agriculturae slovenica, 09/2013, Volume: 101, Issue: 2
    Journal Article
    Peer reviewed
    Open access

    Sheep's wool and leather shavings tanned without chromium (III) salts would be suitable for fertilization in organic farming, where is the lack of easily accessible fertilizer nitrogen. This ...
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  • Koruzno polje v Metliki

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    Provider: - Institution: - Data provided by Europeana Collections- Leta 1934 so v Metliki izvedli prvi preizkus z umetnimi gnojili v ravnih njivah. Na fotografiji sta pod znakom »NPK« Janko Bračika ...
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