1. A Career Perspective on Soil Management in the Cerrado Region of Brazil Alfredo Scheid Lopes and Luiz Roberto Guimaraes Guilherme 2. The Definition of Soil Since the Early 1800s Alfred E. Hartemink 3. Climate Change and Agriculture: Adaptation Strategies and Mitigation Opportunities for Food Security in South Asia and Latin America Mangi L. Jat, Jagdish C. Dagar, Tek B. Sapkota, Yadvinder-Singh, Bram Govaerts, Santiago L. Ridaura, Yashpal S. Saharawat, Ramesh K. Sharma, Jagdish P. Tetarwal, Huntington Hobbs and Clare Stirling 4. Plant Bioregulators for Sustainable Agriculture: Integrating Redox Signaling as a Possible Unifying Mechanism Ashish Kumar Srivastava, Ratnakumar Pasala, Paramjit Singh Minhas and Penna Suprasanna 5. Iron Redox Cycling Coupled to Transformation and Immobilization of Heavy Metals: Implications for Paddy Rice Safety in the Red Soil of South China Huan-Yun Yu, Fang-Bai Li, Cheng-Shuai Liu, Weilin Huang, Tong-Xu Liu and Wei-Min Yu 6. Organic Farming, Soil Health, and Food Quality: Considering Possible Links Jennifer R. Reeve, Lori A. Hoagland, Juan J. Villalba, Patrick M. Carr, Amaya Atucha, Cynthia Cambardella, Donald R. Davis and Kathleen Delate