Prof. Dr Randolf Kauer
is professor of organic viticulture
at the Geisenheim
University of Applied Sciences and winemaker in Bacharach on the Middle Rhine. Together with Dr Johanna Döring and other scientists, Kauer
has been supervising a comparative trial of organic, biodynamic and integrated cultivation since 2006. The findings show: Organic viticulture
can be the answer to drought stress
. However, the problem of fungal diseases still exists.