SUBSTITUTED 1,2,4-TRIAZOLO-(1,5-A)PYRIMIDINE-2-SULFONAMIDES AND COMPOSITIONS AND METHODS OF CONTROLLING UNDESIRED VEGETATION AND SUPPRESSING THE NITRIFICATION OF AMMONIUM NITROGEN IN SOIL

摘要

Novel compounds, e.g., 5,7-dimethyl-N- (2,6-dichlorolphenyl)-1,2,4-triazolo [1,5-a] pyrimidine-2-sulfonamide and their compositions and use in the control of weeds and in the suppression of nitrification of ammonium nitrogen in soil. Other novel compounds and their compositions and use in the inhibition of bolting in sugar beets.