{"id":82221,"date":"2019-01-30T12:11:28","date_gmt":"2019-01-30T17:11:28","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/"},"modified":"2019-01-30T12:11:28","modified_gmt":"2019-01-30T17:11:28","slug":"effects-ca-fertilizer-types-sugar-maple-vitality","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/","title":{"rendered":"Effects of two Ca fertilizer types on sugar maple vitality"},"content":{"rendered":"\n<p>Published in <strong>Canadian Journal of Forest Research<\/strong><b>\u00a040: 1985-1992<\/b><\/p> <p>Over the last decades, continuous signs of sugar maple (<em>Acer saccharum<\/em> Marsh.) dieback in stands of northeastern North America have promoted the experimentation of corrective measures to restore sugar maple vitality. To verify the hypothesis that K\u2013Mg antagonism may have limited the full response of sugar maple to dolomitic lime application in a previous experiment (CaMg(CO<sub>3<\/sub>)<sub>2<\/sub>, 12% Mg), two Ca fertilizers (CaCO<sub>3<\/sub> and CaSO<sub>4<\/sub>\u00b72H<sub>2<\/sub>O), having negligible Mg content, were applied at rates of 1, 2, and 4 t Ca\u00b7ha<sup>\u20131<\/sup> on sugar maple trees adjacent to the limed area. After 3 years, most of the foliar nutrient concentrations of treated trees were improved, particularly Ca, for both Ca fertilizers, in line with published ranges for healthy sugar maple trees, except for Mg. Moreover, no persistent nutrient antagonism was observed. The crown dieback rate of treated sugar maple was \u22645.8% after 3 years, while it reached 12% for the controls. Also, relative basal area growth showed that both Ca sources can improve growth rate. Growth response following Ca treatments was, however, lower than for the former lime experiment after the same period of time. In this context, our results suggest that Mg nutrition could be more important for sugar maple in this ecosystem than initially thought.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Published in Canadian Journal of Forest Research\u00a040: 1985-1992 Over the last decades, continuous signs of sugar maple (Acer saccharum Marsh.) dieback in stands of northeastern North America have promoted the experimentation of corrective measures to restore sugar maple vitality. To verify the hypothesis that K\u2013Mg antagonism may have limited the full response of sugar maple [&hellip;]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1183,1185,1180,1181],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1099,1102],"class_list":["post-82221","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-ecosystems-and-environment","cptt_theme-forest-ecology","cptt_theme-forestry-research","cptt_theme-forests","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-j-d-moore","cptt_auteurs_ministeriels-r-ouimet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Effects of two Ca fertilizer types on sugar maple vitality - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"Our results suggest that Mg nutrition could be more important for sugar maple in this ecosystem than initially thought.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Effects of two Ca fertilizer types on sugar maple vitality - 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Minist\u00e8re des Ressources naturelles et des For\u00eats","description":"Our results suggest that Mg nutrition could be more important for sugar maple in this ecosystem than initially thought.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/","og_locale":"en_US","og_type":"article","og_title":"Effects of two Ca fertilizer types on sugar maple vitality - Minist\u00e8re des Ressources naturelles et des For\u00eats","og_description":"Our results suggest that Mg nutrition could be more important for sugar maple in this ecosystem than initially thought.","og_url":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/","og_site_name":"Minist\u00e8re des Ressources naturelles et des For\u00eats","article_publisher":"https:\/\/www.facebook.com\/RessourcesNaturellesForets\/","og_image":[{"width":1200,"height":630,"url":"\/wp-content\/uploads\/Image-g%c3%a9n%c3%a9rale-hiver_FB.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@mrnfqc","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/","url":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/effects-ca-fertilizer-types-sugar-maple-vitality\/","name":"Effects of two Ca fertilizer types on sugar maple vitality - 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