UNE-CEN/TS 17779:2022 Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate (Endorsed by Asociación Española de Normalización in May of 2022.)
2022UNE-CEN/TS 17779:2022 Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrate (Endorsed by Asociación Española de Normalización in May of 2022.)