even we now will have no idea of the aerial distribution of herbicides and pesticides on a national level because we have however provided fairly clear answers on a regional basis we have shown that the spread of the herbicide penda methyl and is not restricted to the immediate area through a few hundred metres but it could on a ten kilometer scale this also confirms published reports on the issue the question is can all get nicked through to still be produced anywhere in germany. hoffman has found eleven pesticides in the bark two of them in alarming concentrations. not only pending methyl in as expected but also a weed killer called pro salt carb conventional pesticides pose a real problem for bio farmers when i mean for them some rethinking has to be done