Impact of land use on soil resources / Ademola K. Braimoh, Paul L. G. Vlek -- Soil organic carbon dynamics and land-use change / Pete Smith -- Land-use change and global food production / Navin Ramankutty, Jonathan A. Foley, Nicholas J. Olejniczak -- Soil erosion and conservation in global agriculture / Hans Hurni ... [et al.] -- Soil erosion studies in northern Ethiopia / Lulseged Tamene, Paul L. G. Vlek -- Soil degradation under irrigation / Paul L. G. Vlek, Daniel Hillel, Ademola K. Braimoh -- Nutrient and virtual water flows in traded agricultural commodities / Ulrike Grote, Eric T. Craswell, Paul L. G. Vlek -- The lesson of Drente's "Essen": soil nutrient depletion in sub-Saharan Africa and management strategies for soil replenishment / Henk Breman, Bidjokazo Fofana, Abdoulaye Mando -- Soil quality and methods for its assessment / Diego de la Rosa, Ramon Sobral -- The impact of urbanization on soils / Peter J. Marcotullio, Ademola K. Braimoh, Takashi Onishi.