@inproceedings{sgem2019s20080, title = {RETROSPECTIVE STUDIES OF SOIL FERTILITY CHANGE ON THE EXAMPLE OF KHERSON REGION (UKRAINE)}, author = {BREUS, D. and BREUS, Denys and SKOK, S. and RUTTA, O.}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation}, year = {2019}, pages = {645-652}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2019/5.1/s20.080} }