目次

Contents Preface Editors Contributors Chapter 1 Benefits and Unintended Consequences of Synthetic Nitrogen Fertilizers B.A. Stewart Chapter 2 Nitrogen Fixation by Pulse Crops and the Use of Nitrogen Isotopic Techniques to Measure the Fixation Capacity Minh-Long Nguyen Chapter 3 The Role of Nitrogen Stable Isotopes to Investigate Soil Nitrogen Transformations and Cycling in Agricultural Systems Minh-Long Nguyen, Jiafa Luo, and Bert F. Quin Chapter 4 Nitrogen Loss in Snowmelt Runoff from Non-Point Agricultural Sources on the Canadian Prairies Kimberley D. Schneider, Arumugam Thiagarajan, Barbara J. Cade-Menun, Brian G. McConkey, and Henry F. Wilson Chapter 5 Denitrification in Soil Mark S. Coyne Chapter 6 Nitrogen Balances and Nitrogen Use Efficiency in the Nordic Countries Anne Falk Øgaard and Marianne Bechmann Chapter 7 Intensive Dairy and Beef Systems: N Loss Mitigations and Barriers to Their Adoption Bert F. Quin Chapter 8 Efficient Nitrogen Management in the Tropics and Subtropics Rajendra Prasad and Peter R. Hobbs Chapter 9 Enhancing Soil Organic Carbon by Managing Nitrogen in China Shou-Tian Ma, Xin Zhao, Chao Pu, Yang Liu, Rattan Lal, Jian-Fu Xue, and Hai-Lin Zhang Chapter 10 Managing Nitrogen in Small Landholder Hill Farms of North Eastern Indian Himalayas Anup Das, Jayanta Layek, Gulab Singh Yadav, S. Babu, D. Sarkar, R.S. Meena, and Rattan Lal Chapter 11 Merits and Limitations of Enhanced Efficiency Fertilizers Matthew D. Ruark, Rogério P. Soratto, and Carl J. Rosen Chapter 12 Economic and Policy Implications of Nitrogen Management Otto C. Doering III, Benjamin M. Gramig, and Dawoon Jeong Chapter 13 Formulations of Slow Release Fertilizers for Enhancing N Use Efficiency Amit Roy Chapter 14 Managing the Soil Nitrogen Cycle in Agroecosystems Richard A. Ferrieri, Eliot Herman, Benjamin Babst, and Michael J. Schueller Chapter 15 Nitrogen: Managing the Necessary Evil Rattan Lal Index