00000nam 2200000za 4500 9.828692 CaOODSP 20250303104653 cr ||||||||||| 161206s1934 oncao|| o f000 0 eng d CaOODSP eng n-cn--- A12-2/172-1934E-PDF Davis, M. B. Modern orchard practices [electronic resource] / by M.B. Davis ; with a section on insects affecting the apple / by W.A. Ross ; and a section on apple diseases / by G.C. Chamberlain. Ottawa : Dept. of Agriculture : Division of Horticulture, Dominion Experimental Farms, 1934. 59 p. : ill. Bulletin, New series ; no. 172 Cover title. Historical publication digitized 2013 by Internet Archives [for Agriculture and Agri-Food Canada]. Insects attacking apple trees / by William A. Ross -- Important diseases of the apple / by G.C. Chamberlain. Information on: training of trees; maintaining fertility; symptoms of cultivation; cover crops; spraying; thinning; renovation of neglected orchards; scraping, cleaning and tree surgery; insects attacking apple trees; insecticides; important diseases of the apple. gccst Apples gccst Trees gccst Plant diseases gccst Pests Ross, William A. Chamberlain, G. C. (Gerald Cleveland) . Canada. Department of Agriculture. Dominion Experimental Farms and Stations (Canada) Insects attacking apple trees Important diseases of the apple Bulletin (Canada. Department of Agriculture) no. 172 (CaOODSP)9.812039 PDF 6.88 MB https://publications.gc.ca/collections/collection_2016/aac-aafc/agrhist/A12-2-172-1934-eng.pdf