Quantifying macropore flow effects on nitrate and pesticide leaching in a structured clay soil: field experiments and modelling with the MACRO and SOILN models

agricultural chemicals clay soils computer software contaminantes leaching lessivage du sol logiciel mouvement de l'eau dans le sol movimiento del agua en el suelo nitrate nitrates nitratos pesticide pesticides plaguicidas polluant pollutants pollution de l'eau produit agrochimique programas de ordenador simulation models sistema poroso del suelo soil pore system soil water movement sol argileux suecia suelo arcilloso sweden water pollution