The ideal N fertilization should be defined to satisfy the crop needs, but with minimum environmental risk. For this purpose, N fertilizer recommendations must be as accurate as possible. This study was carried out in a sand-clay soil (22 º 42 ‘ 30 ” S; 47 º 38 ‘ 00 ” W; 546 m asl) and the objective was to evaluate the internal drainage and nitrate leaching during the cycles of three crops in succession under no-tillage at a soil […]