@inproceedings{sgem2018s13033,
  title = {INFLUENCE OF FOLIAR FERTILIZATION WITH 15N-LABELLED FERTILIZERS ON THE SUNFLOWER CROP},
  author = {Daniela Mihalache},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Water Resources. Forest, Marine and Ocean Ecosystems},
  year = {2018},
  pages = {249-256},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/3.2/s13.033}
}