Koocheki, A., Nassiri Mahallati, M., Mansoori, H. e Moradi, R. 2013. <b>Assessing nitrogen flow in production and utilization cycle of wheat and maize as a tool to monitor N loss in Iran</b&gt; - doi: 10.4025/actascibiolsci.v35i3.16039. Acta Scientiarum. Biological Sciences. 35, 3 (fev. 2013), 327-334. DOI:https://doi.org/10.4025/actascibiolsci.v35i3.16039.