@inproceedings{sgem2017s13054,
  title = {ORGANO-MINERAL FERTILIZERS - EQUILIBRIUM FACTOR IN PLANT NUTRITION},
  author = {Mihail Dumitru and Anca-Rovena Lacatusu and A. Vrinceanu and Nicoleta Marin and Claudia Preda},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Water Resources. Forest, Marine and Ocean Ecosystems},
  year = {2017},
  pages = {413-420},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/32/s13.054}
}