Szmigielski, A.M.Schoenau, J.J.Johnson, E.Sapsford, K.Holm, R.2018-07-232018-07-232012-03-13http://hdl.handle.net/10388/9061enAttribution-NonCommercial-NoDerivs 2.5 CanadaA confounding effect of ammonium toxicity on bioassay detection of thiencarbazone in soilPoster Presentation