For over 25 years, Denmark has implemented differentapproaches to the reduction of nitrogen and phosphorous dis-charges from agricultural farms. These initiatives, which range fromthe initial Action Plan for the Aquatic Environment (APAE) in 1987to the broader Green Growth Agreement in 2009, have mainlybeen implemented using a national-wide approach as opposed tothe designation of vulnerable zones adopted in other EU countries(Smith et al., 2007a). The first APAE, effective in 1987 was followedshortly by APAE II which was implemented in 1998 with the aimof reducing Nitrogen (N) and Phosphorus (P) losses to the aquaticenvironment by 50% and 80% respectively.