Scope and strategies for regulation of nitrification in agricultural systems: Challenges and opportunities - Subbaraoa, Guntur V.; Ito, O.; Sahrawat, K.L.; Berry, W.L.; Nakahara, Kenji; Ishikawa, T.; Watanabe, Toshihiro; Suenaga, Kazuhiro; Rondón, Marco Antonio; Rao, Idupulapati M. (Informa UK Limited, 2006)