Use of 3-cyclohexyl-5,6-(trimethylene)uracil and/or 3-tert-butyl-5-chloro-6-methyluracil to change the biological water quality of open waters

摘要

The invention relates to the use of 3-cyclohexyl-5,6-(trimethylene)uracil and/or 3-tert-butyl-5-chloro-6-methyluracil to change the biological water quality of open waters depending on the purpose of application, the open waters being treated at least once per year with 10 to 500 mu g/l of the said substance(s). <IMAGE>