Sustainable Management of Soil Resources and Food Security Rattan Lal and B.A. Stewart Global Food Situation and Unresolved and Emerging Issues Shahla Shapouri, Stacey Rosen, and Summer Allen World Soil Resources: Opportunities and Challenges H. Eswaran, P.F. Reich, and E. Padmanabhan Soil Resources and Human Adaptation in Forest and Agricultural Ecosystems in Humid Asia S. Funakawa, T. Watanabe, A. Kadono, A. Nakao, K. Fujii, and T. Kosaki Pedogenetic Acidification in Upland Soils under Different Bioclimatic Conditions in Humid Asia S. Funakawa, T. Watanabe, A. Nakao, K. Fujii, and T. Kosaki Soil Resources Affecting Food Security and Safety in South Asia Tapan J. Purakayastha, Bal Ram Singh, R. P. Narwal, and Promod K. Chhonkar Formation and Management of Cracking Clay Soils (Vertisols) to Enhance Crop Productivity: Indian Experience D. K. Pal, T. Bhattacharyya, and Suhas P. Wani Role of Nuclear and Isotopic Techniques in Sustainable Land Management: Achieving Food Security and Mitigating Impacts of Climate Change Long Nguyen, Felipe Zapata, Rattan Lal, and Gerd Dercon New Paradigm to Unlock the Potential of Rainfed Agriculture in the Semiarid Tropics Suhas P. Wani, Johan Rockstrom, B. Venkateswarlu, and A. K. Singh Land Degradation Freddy O. Nachtergaele, Monica Petri, and Riccardo Biancalani Where Do We Stand 20 Years after the Assessment of Soil Nutrient Balances in Sub-Saharan Africa? E. M. A. Smaling, J. P. Lesschen, C. L. van Beek, A. de Jager, J. J. Stoorvogel, N. H. Batjes, and L. O. Fresco Research Needs for Credible Data on Soil Resources and Degradation Rattan Lal
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