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During the past two centuries, scientists, farmers, and agricultural educators have tended to alternate their views of soil organic matter (SOM) between the extremes of great appreciation and low esteem. As an early 20th century bulletin explained, organic matter was “once extolled as the essential soil ingredient, the bright particular star in the firmament of the plant grower ” before it “ fell like Lucifer ” as a result of the findings of 19th century agricultural chemists that most of the plant structure (C, that is) originated in the atmosphere (Hills et al., 1908) | SOIL ORGANIC MATTER IN SUSTAINABlE AGRICULTURE 2004 by CRC Press LLC Advances in Agroecology Series Editor Clive A. Edwards AgroecosystemSustainability Developing Practical Strategies Stephen R. Gliessman Agroforestry in Sustainable Agricultural Systems Louise E. Buck James p Lassoie and Erick C.M. Fernandes Biodiversity in Agroecosystems Wanda Williams Collins and Calvin o. Qualset Interactions Between Agroecosystems and Rural Communities Cornelia Flora Landscape Ecology in Agroecosystems Management Lech Ryszkowski Multi-Scale Integrated Analysis of Agroecosystems Mario Giampietro SoilEcology in Sustainable Agricultural Systems Lijbert Brussaard and Ronald Ferrera-Cerrato Soil Organic Matter in Sustainable Agriculture Fred Magdoff and Ray R. Weil Soil Tillage in Agroecosystems Adel El Titi Structure and Function in Agroecosystem Design and Management Masae Shiyomi and Hiroshi Koizumi Tropical Agroecosystems John H. Vandermeer Advisory Board Editor-in-Chief Clive A. Edwards The Ohio State University Columbus OH Editorial Board Miguel Altieri University ofCalifornia Berkeley CA LijbertBrussaard Agricultural University Wageningen TheNetherlands David Coleman University ofGeorgia Athens GA D.A. Crossley Jr. University ofGeorgia Athens GA Adel El-Titi Stuttgart Germany Charles A. Francis University ofNebraska Lincoln NE Stephen R. Gliessman University ofCalifornia Santa Cruz Thurman Grove North Carolina State University Raleigh NC Maurizio Paoletti University ofPadova Padova Italy David Pimentel Cornell University Ithaca NY Masae Shiyomi Ibaraki University Mito Japan Sir Colin R.w. Spedding Berkshire England Moham K. Wali The Ohio State University Columbus OH 2004 by CRC Press LLC SOIL ORGANIC MATTER IN SUSTAINABLE AGRICULTURE Edited by Fred Magdoff Ray R. Weil CRC PRESS Boca Raton London New York Washington D.C. 2004 by CRC Press .
