I am currently working on the effect of land use on streams in very small catchments (<30km²) in Germany. We have accurate data (ATKIS) on general land use patterns (forests, agriculture, urban areas etc.). We also try to incorporate information about crop types (CAPRI data) in the agricultural areas into our analysis. However the CAPRI data we use is quite coarse: Aggregated between 2001 and 2003 and a spatial solution of 1000x1000m. http://esdac.jrc.ec.europa.eu/content/european-food-safety-authority-efsa-data-persam-software-tool
Is there any open source data on specific crop types in Europe (or Germany) for certain years other than CAPRI?