00000nam##2200000za#4500 9.695449 CaOODSP 20241203113637 cr ||||||||||| 150407|2011||||xxc|||||o f|0| 0 eng|d 978-1-100-19925-2 CaOODSP eng n-cn--- En14-43/15-2011E-PDF Canada. Environment Canada. Trends in residual soil nitrogen for agricultural land in Canada, 1981-2006 : [electronic resource] Canadian biodiversity : ecosystem status and trends 2010 - technical thematic report no. 15 / published by the Canadian Councils of Resource Ministers. [by] C.F. Drury, J.Y. Yang and R. De Jong. Ottawa - Ontario : Environment Canada c2011. 21p. figs., references, tables 12-33 2012-08-17 Soil quality gcpds de Jong, R. Drury, C.F. Yang, J.Y. Tendances de l'azote résiduel dans le sol pour les terres agricoles du Canada, de 1981 à 2006 : (CaOODSP)9.639585 http://publications.gc.ca PDF 684 KB https://publications.gc.ca/collections/collection_2012/ec/En14-43-15-2011-eng.pdf