Soil-biodegradable mulch film: Distinguishing between persistent microplastics and fragments released from certified soil-biodegradable products - Patrizia Marie Schmidt; Lukas Leibig; Lars Meyer; Christian Roth; Patrick Bolduan; Glauco Battagliarin; Andreas Künkel; Sam Harrison; Cansu Uluseker; Wendel Wohlleben (Science of The Total Environment, 2025)