00000nam 2200000zi 4500 9.948649 CaOODSP 20250312074657 m o d f cr mn||||||||| 250303s1955 onca ob f000 0 eng d CaOODSP eng rda CaOODSP n-cn--- x4x5 A52-314/1955E-PDF Ripley, P. O., author. Field Husbandry, Soils and Agricultural Engineering Division, Central Experimental Farm, Ottawa : progress report 1949-1953 / P.O. Ripley. [Ottawa] : Canada, Department of Agriculture, Experimental Farms Service, 1955. 1 online resource (46 pages, 1 unnumbered page) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier "Published by authority of the Rt. Hon. James Gardiner, Minister of Agriculture, …" "6M-19850-6:55." Digitized edition from print [provided by Agriculture and Agri-Food Canada]. Includes bibliographical references. Field crops Research Canada. Soils Research Canada. Agricultural engineering Research Canada. Cultures de plein champ Recherche Canada. Sols Recherche Canada. Génie rural Recherche Canada. Canada. Experimental Farms Service, issuing body. PDF 7.13 MB https://publications.gc.ca/collections/collection_2025/aac-aafc/A52-314-1955-eng.pdf