From the study “Accumulations of copper in apple orchard soils: distribution and availability in soil aggregate fractions“, of: Quan-Ying Wang, Jing-Shuang Liu, Yang Wang, and Hong-Wen Yu The accumulations of Cu in aggregate size fractions of apple orchard soils due to the long-term application of Cu-based fungicides remain poorly understood. Soil samples were collected from orchards with 10, 20, 31,…