@article {Ozbek2015, title = {{Estimating the gross nitrogen budget under soil nitrogen stock changes: A case study for Turkey}}, journal = {Agriculture, Ecosystems {\&} Environment}, volume = {205}, year = {2015}, month = {jul}, pages = {48{\textendash}56}, keywords = {agricultural production, budget, carbon, mypublications, nitrogen, soil}, issn = {01678809}, doi = {10.1016/j.agee.2015.03.008}, url = {http://linkinghub.elsevier.com/retrieve/pii/S0167880915000924}, author = {{\"O}zbek, Fethi {\c S}aban and Leip, Adrian} }