@inproceedings{sgem2012s16v4016, title = {PH OF STARTER MIXED FERTILIZERS}, author = {Lotfi Khiari}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference}, year = {2012}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2012/s16.v4016} }