00000nam##2200000za#4500 9.696710 CaOODSP 20210624235145 cr ||||||||||| 150407|2011||||xxc|||||o f|0| 0 eng|d CaOODSP eng n-cn--- A59-1/2011E-PDF Canada. Agriculture and Agri-Food Canada. Tillage trade-offs in a Prairie watershed : [electronic resource] effects on environmental and economic performance Ottawa - Ontario : Agriculture and Agri-Food Canada c2011. 4p. graph, table, photographs 12-40 2012-10-05 Effets divers du travail du sol dans un bassin hydrographique des Prairies : (CaOODSP)9.640823 http://publications.gc.ca PDF 325 KB https://publications.gc.ca/collections/collection_2012/agr/A59-1-2011-eng.pdf AAFC No. 11354E