TY - CPAPER AU - E. Dimitrov AU - Toma Shishkov TI - TRACE ELEMENTS AND SOIL PROPERTIES IN HAPLIC LUVISOLS FROM SOUTHERN RHODOPE MOUNTAINS UNDER PINUS SYLVESTRIS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems PY - 2021 SP - 427 EP - 436 DO - 10.5593/sgem2021/3.1/s13.71 PB - STEF92 Technology ER -