Soil Degradation and Restoration in Africa
暫譯: 非洲土壤退化與修復

土壤退化是非洲普遍存在的問題，導致農業生產力低下，而對食物的需求持續增加。退化的原因包括加速侵蝕、酸化、污染、土壤有機質和植物養分的耗竭，以及鹽鹼化。只有恢復退化的土壤，並以謹慎和可持續的方式管理農業生態系統的土壤，才能實現非洲不斷增長的人口的食物和營養安全。本書描述了非洲的土壤、土壤退化的過程、退化的範圍和嚴重性，以及退化過程對食物和營養安全的影響。

Rattan Lal, PhD, is a Distinguished University Professor of Soil Science and Director of the Carbon Management and Sequestration Center, The Ohio State University, and an Adjunct Professor of University of Iceland. His current research focus is on climate-resilient agriculture, soil carbon sequestration, sustainable intensification, enhancing use efficiency of agroecosystems, and sustainable management of soil resources of the tropics. He received honorary degree of Doctor of Science from Punjab Agricultural University (2001), the Norwegian University of Life Sciences, Aas (2005), and Alecu Russo Balti State University, Moldova (2010). He was president of the World Association of the Soil and Water Conservation (1987-1990), the International Soil Tillage Research Organization (1988-91), the Soil Science Society of America (2005-2007), and is President Elect of International Union of Soil Science. He was a member of the Federal Advisory Committee on U.S. National Assessment of Climate Change-NCADAC (2010-2013), member of the SERDP Scientific Advisory Board of the US-DOE (2011-), Senior Science Advisor to the Global Soil Forum of Institute for Advanced Sustainability Studies, Potsdam, Germany (2010-), member of the Advisory Board of Joint Program Initiative of Agriculture, Food Security and Climate Change (FACCE-JPI) of the European Union (2013-), and Chair of the Advisory Board of Institute for Integrated Management of Material Fluxes and Resources of the United Nation University (UNU-FLORES), Dresden, Germany (2014-2017). Prof. Lal was a lead author of IPCC (1998-2000).

B.A. Stewart is Director of the Dryland Agriculture Institute and a distinguished professor of soil science at West Texas A&M University, Canyon, Texas. He is a former director of the USDA Conservation and Production Laboratory at Bushland, Texas; past president of the Soil Science Society of America; and member of the 1990-1993 Committee on Long-Range Soil and Water Policy, National Research Council, National Academy of Sciences. He is a fellow on the Soil Science Society of America, American Society of Agronomy, Soil and Water Conservation Society, a recipient of the USDA Superior Service Award, a recipient of the Hugh Hammond Bennett Award of the Soil and Water Conservation Society, an honorary member of the International Union of Soil Sciences in 2008. In 2009, Dr. Stewart was inducted into the USDA Agriculture Research Service Science Hall of Fame . Dr. Stewart is very supportive of education and research on dryland agriculture. The B.A. and Jane Ann Stewart Dryland Agriculture Scholarship Fund was established in West Texas A&M University in 1994 to provide scholarships for undergraduate and graduate students with a demonstrated interest in dryland agriculture. Scholarship Fund was established in West Texas A&M University in 1994 to provide scholarship for undergraduate and graduate students with a demonstrated interest in dryland agriculture.

拉坦·拉爾 (Rattan Lal)，博士，是俄亥俄州立大學土壤科學的傑出大學教授及碳管理與封存中心的主任，同時也是冰島大學的兼任教授。他目前的研究重點是氣候韌性農業、土壤碳封存、可持續強化、提高農業生態系統的使用效率，以及熱帶土壤資源的可持續管理。他於2001年獲得旁遮普農業大學的榮譽科學博士學位，2005年獲得挪威生命科學大學的榮譽學位，2010年獲得摩爾多瓦阿列庫·魯索巴爾蒂國立大學的榮譽學位。他曾擔任世界土壤與水土保持協會（1987-1990）、國際土壤耕作研究組織（1988-1991）、美國土壤科學學會（2005-2007）的會長，並且是國際土壤科學聯合會的當選會長。他曾是美國氣候變遷國家評估聯邦諮詢委員會（NCADAC，2010-2013）的成員，美國能源部的SERDP科學諮詢委員會成員（2011-至今），德國波茨坦高級可持續研究所全球土壤論壇的高級科學顧問（2010-至今），歐盟農業、糧食安全與氣候變遷聯合計畫倡議（FACCE-JPI）諮詢委員會成員（2013-至今），以及聯合國大學物質流與資源綜合管理研究所（UNU-FLORES）諮詢委員會主席（2014-2017）。拉爾教授曾是IPCC的主要作者（1998-2000）。

B.A. 斯圖爾特 (B.A. Stewart)是德克薩斯州西德克薩斯農工大學乾地農業研究所的主任及土壤科學的傑出教授。他曾擔任德克薩斯州布什蘭的美國農業部保護與生產實驗室的主任；美國土壤科學學會的前會長；以及1990-1993年國家科學院國家研究委員會長期土壤與水政策委員會的成員。他是美國土壤科學學會、美國農藝學會、土壤與水土保持學會的會士，曾獲得美國農業部卓越服務獎、土壤與水土保持學會的休·哈蒙德·班尼特獎，並於2008年成為國際土壤科學聯合會的榮譽會員。2009年，斯圖爾特博士被納入美國農業部農業研究服務科學名人堂。斯圖爾特博士非常支持乾地農業的教育與研究。B.A.與簡·安·斯圖爾特乾地農業獎學金基金於1994年在西德克薩斯農工大學成立，旨在為對乾地農業有明顯興趣的本科生和研究生提供獎學金。