Hangs, R.D.Schoenau, J.J.2018-07-192018-07-192015-03-16http://hdl.handle.net/10388/8858enAttribution-NonCommercial-NoDerivs 2.5 CanadaThe residual effect of biochar and animal manure amendments on soil properties, canola yield, and fertilizer 15N recoveryPoster Presentation