Advances in Agronomy

DONALD L. SPARKS is the Unidel S. Hallock du Pont Chair and Francis Alison Professor at the University of Delaware. He is internationally recognized for his research in the areas of kinetics of biogeochemical processes and surface chemistry of natural materials. His research has focused on fate and transport of trace metals in soil and water, soil remediation, water quality, and carbon sequestration in soils. Dr. Sparks is the author of two previous editions of Environmental Soil Chemistry and more than 350 refereed papers and book chapters. He is fellow of five scientific societies, and he has been the recipient of major awards and lectureships including the Geochemistry Medal from the American Chemical Society, the Liebig Medal from the International Union of Soil Sciences, the Einstein Professorship from the Chinese Academy of Sciences and the Philippe Duchaufour Medal from the European Geosciences Union. Dr. Sparks served as president of the Soil Science Society of America and the International Union of Soil Sciences, has served on advisory committees for several national laboratories and national and international centers and institutes, and served as chair of the U.S. National Academy of Sciences (NAS) Committee for Soil Sciences and other NAS Committees.

1. Impact of micronutrients in mitigation of abiotic stresses in soils and plants—A progressive step toward crop security and nutritional quality
Salwinder Singh Dhaliwal, Vivek Sharma, and Arvind Kumar Shukla
2. A review of field management practices impacting root health in sugarcane
R. van Antwerpen, P.D.R. van Heerden, M.G. Keeping, L.W. Titshall, A. Jumman, P.B. Tweddle, T. van Antwerpen, P.V. Ramouthar, and P.L. Campbell
3. Soil carbon accumulation in crop-livestock systems in acid soil savannas of South America: A review
Miguel Ayarza, Idupulapati Rao, Lourival Vilela, Carlos Lascano, and Raul Vera-Infanzón
4. Soils in urban and built environments: Pedogenic processes, characteristics, mapping, and classification
Randy L. Riddle, Matthew G. Siebecker, David C. Weindorf, Richard K. Shaw, and Bryant C. Scharenbroch
5. Management of copper for crop 000
Adonis Moreira, Larissa A.C. Moraes, Thadeu Rodrigues de Melo, Reges Heinrichs, and Luiz G. Moretti
6. Diversifying crop rotations enhances agroecosystem services and resilience
Chang Liu, Daniel Plaza-Bonilla, Jeffrey A. Coulter, H. Randy Kutcher, Hugh J. Beckie, Li Wang, Jean-Baptiste Floc'h, Chantal Hamel, Kadambot H.M. Siddique, Lingling Li, and Yantai Gan
7. Competitive sorption and accumulation of organic phosphorus in phosphate-rich soils and sediments
Suwei Xu and Yuji Arai