Advances in Agronomy. Volume 177

Table of Contents

1. Farming systems research: Concepts, design and methodology
   U.K. Behera and James France
2. Soil potassium fertility and management strategies in South Asian agriculture
   Ch. Srinivasarao, Sumanta Kundu, K.V. Rao, A.K. Shukla, A. Subba Rao, Patricia Imas, Nanthi S. Bolan, Rattan Lal, J.V.N.S. Prasad, P.C. Abhilash,
   G. Ranjith Kumar, R.S. Meena, G. Pratibha, G. Narayanaswami, S.K. Bansal, K.C. Nataraj, M. Jagadesh, K. Mrunalini, S. Jayaraman, M.L. Jat, S.N. Malleswari, Anthony Whitbread, and B. Venkateswarlu
3. Sensing technologies for characterizing and monitoring soil functions: A review
   Nelida E.Q. Silvero, Jose A.M. Dematte, Budiman Minasny, N�colas Augusto Rosin, Jessica Garc�a Nascimento, Heidy S. Rodr�guez Albarrac�n, Henrique Bellinaso, and Andres M.R. G�mez
4. Isolation and fractionation of organic matter from soils and waters
   Guixue Song and Michael H.B. Hayes
5. Tolerance mechanism and management concepts of iron toxicity in rice: A critical review
   Hayat Ullah, Sheikh Faruk Ahmed, Raquel Santiago-Arenas, Sushil K. Himanshu, Elsayed Mansour, Suriyan Cha-um, and Avishek Datta
6. Smart sensing and automated irrigation for sustainable rice systems: A state of the art review
   Matthew Champness, Carlos Ballester-Lurbe, Rodrigo Filev-Maia, and John Hornbuckle

Authors

Donald L. Sparks Director, Delaware Environmental Institute, University of Delaware, Newark, DE, USA. 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.