Nitrogen export by runoff from agricultural plots in two basins in China Weijin YanShen ZhangYijian Tang OriginalPaper Pages: 121 - 129
A study of tile drain nitrate - δ15N values as a tool for assessing nitrate sources in an agricultural region L. M. Kellman OriginalPaper Pages: 131 - 137
Long-term effects of fallow systems and lengths on crop production and soil fertility maintenance in West Africa G. TianB. T. KangF. K. Salako OriginalPaper Pages: 139 - 150
Identification of nutrients limiting cassava yield maintenance on a sedimentary soil in southern Benin, West Africa R. J. CarskyM. A. Toukourou OriginalPaper Pages: 151 - 162
A farm level approach to define successful mitigation strategies for GHG emissions from ruminant livestock systems R. L. M. SchilsA. VerhagenL. B. J. Šebek OriginalPaper Pages: 163 - 175
Methylene urea as a slow-release nitrogen source for processing tomatoes Marja E. KoivunenWilliam R. Horwath OriginalPaper Pages: 177 - 190
Migration of sulphur in limed soils differing in agricultural management Saulius GuzysRamute Aksomaitiene OriginalPaper Pages: 191 - 201
N fertilisation, soil type and cultivars effects on N use efficiency in tef [Eragrostis tef (Zucc.) Trotte] Balesh TulemaFelipe ZapataBishal Sitaula OriginalPaper Pages: 203 - 211