Water and nitrogen surpluses are major concern for the new intensive olive groves in South of Portugal. In this study, field measurements were integrated with a system model, Root Zone Water Quality Model (RZWQM2) to assess the sustainability and environmental impact of fertigation in an...

Studies quantifying winter annual cover crop effects on water quality are mostly limited to short-term studies at the plot scale. Long-term studies scaling-up water quality effects of cover crops to the watershed scale provide more integrated spatial responses from the landscape. The objective...