Diez, J. A., M. Arauzo, P. J. Hernaiz, A. Sanz, and A. Vallejo. 2010. “Comparison of Nitrification Inhibitors to Restrict Nitrate Leaching in a Maize Crop Irrigated under Mediterranean Conditions”. Spanish Journal of Agricultural Research 8 (2), 481-92. https://doi.org/10.5424/sjar/2010082-1212.