The 1992 European Union's Common Agricultural Policy (CAP) set-aside program led to a general increase in the amount of set-aside land after 1992, but had varying effects on soil erosion rates related to the different climatic, environmental and economic conditions of European regions. The study presents new data on, and insights into, the implications of the CAP for land use and land management on subsidy-dependent agricultural zones of Central Spain, particularly how this policy has...