TY - JOUR A1 - Ruiz, L. A1 - Abiven, S. A1 - Durand, P. A1 - Martin, C. A1 - Vertès, F. A1 - Beaujouan, V. T1 - Effect on nitrate concentration in stream water of agricultural practices in small catchments in Brittany: I. Annual nitrogen budgets JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 6 IS - 3 SP - 497 EP - 506 Y1 - 1999/11/30 PB - Copernicus Publications SN - 1027-5606 UR - http://www.hydrol-earth-syst-sci.net/6/497/2002/ L1 - http://www.hydrol-earth-syst-sci.net/6/497/2002/hess-6-497-2002.pdf ER -