00000cam 2200000zi 4500 9.960083 CaOODSP 20260512150553 m o d f cr cn |||||||| 260217t20262026oncb obs f000 0 eng d 9780660985053 CaOODSP eng rda CaOODSP n-cn--- A59-129/2026E-PDF Yang, J. Y., author. Indicator of the risk of water contamination by nitrogen. [Ottawa] : Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, [2026] ©2026 1 online resource (i, 20 pages) : maps text txt rdacontent computer c rdamedia online resource cr rdacarrier Issued also in French under title: Indicateur du risque de contamination de l'eau par l'azote. "Agri-environmental indicators report." "The environmental sustainability of Canadian agriculture, census year 2021." "Agri-environmental indicators report, census year 2021"--Verso of cover. "Status: national coverage, 1981 to 2021"--Verso of cover. "Authors: J.Y. Yang, C.F, Drury and J.G. Liu"--Verso of cover. "AAFC no.: 13350E"--Verso of cover. Water Pollution Canada. Nitrogen in agriculture Environmental aspects Canada. Nitrogen in agriculture Canada. Statistics. Statistics lcgft Canada. Agriculture and Agri-Food Canada, issuing body. Indicateur du risque de contamination de l'eau par l'azote. (CaOODSP)9.960082 PDF 742 KB https://publications.gc.ca/collections/collection_2026/aac-aafc/A59-129-2026-eng.pdf 13350E