00000nam 2200000zi 4500 9.880592 CaOODSP 20241203113652 m o d f cr ||||||||||| 191011e197507##bcca ob f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-bc En42-1/75-4E-PDF Wan, M. T. K.‏, author. Impacts of chlorophenoxy herbicides on a coastal forest environment of British Columbia / by M.T.K. Wan. Vancouver, B.C. : Pollution Abatement Branch, Environmental Protection Service, Pacific Region, July 1975. 1 online resource (viii, 35 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier Surveillance report ; EPS 5-PR-75-4 Digitized edition from print [produced by Environment and Climate Change Canada]. "Environmental Protection Service report series." Includes bibliographical references (pages 27-28). "The 1973-1974 studies demonstrated that amine and ester formulations of 2,4-D and 2,4,5-T were equally effective for roadside alder control. The minimum amount of effective chemical for summer foliar treatment was 1-2 lbs. active material per acre. Two to four weeks were required for the chlorophenoxy compounds to produce their toxic effects on alder. Leaf mortality was used for assessing alder kill"--Abstract. Includes abstract in French. gccst Herbicides gccst Environmental impact Canada. Environment Canada. Canada. Environmental Protection Service. Pacific Region. Environmental Protection Service report series ; EPS-5-PR-75-4. (CaOODSP)9.866031 PDF 1.28 MB https://publications.gc.ca/collections/collection_2019/eccc/en42-1/En42-1-75-4-eng.pdf