00000nam 2200000zi 4500 9.900408 CaOODSP 20250303104653 m o d f cr cn||||||||| 210603m19581957onca ob f001 0 eng d CaOODSP eng rda CaOODSP n-cn--- A43-1015/1958E-PDF A43-1015 Martin, Hubert, author. Chemical aspects of ecology in relation to agriculture / by Hubert Martin. Ottawa, Ontario : Department of Agriculture, Science Service, 1958. 1 online resource (96 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier "Digitized by the Internet Archive in 2012 with funding from Agriculture and Agri-Food Canada - Agriculture et Agroalimentaire Canada." "Publication 1015, July 1957." Includes indexes (pages 88-96). Includes bibliographical references. Plant ecology. Agricultural chemistry. Écologie agricole. Chimie agricole. Canada. Department of Agriculture, issuing body. PDF 7.63 MB https://publications.gc.ca/collections/collection_2021/aac-aafc/A43-1015-1958-eng.pdf