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Translations:Benutzer:Arian/Klett-Mini-Test/1185/en
Aus BiodynWiki
The light-and-shade experiment was a multi-year field trial with numerous variants, examining the effects of farmyard manure compost compared to an application of mineral salts — nitrogen, phosphoric acid, potassium (NPK) — and a treatment with the so-called biodynamic horn silica preparation
