{"id":82324,"date":"2021-09-24T09:30:25","date_gmt":"2021-09-24T13:30:25","guid":{"rendered":"https:\/\/mrnf.gouv.qc.ca\/nos-publications\/granular-calcite-peat-substrate-growth-white-spruce-seedlings\/"},"modified":"2021-09-24T09:30:25","modified_gmt":"2021-09-24T13:30:25","slug":"granular-calcite-peat-substrate-growth-white-spruce-seedlings","status":"publish","type":"cpt_publication","link":"https:\/\/mrnf.gouv.qc.ca\/en\/our-publications\/granular-calcite-peat-substrate-growth-white-spruce-seedlings\/","title":{"rendered":"Granular calcite: A new cultural practice to improve the physicochemistry of the peat substrate, growth and morphophysiological quality of white spruce seedlings in forest nurseries"},"content":{"rendered":"\n

Published in Land 10(7): 661. https:\/\/doi.org\/10.3390\/land10070661<\/strong><\/p>\n

Growing\u00a0Picea glauca<\/span>\u00a0seedlings poses many challenges for forest nursery managers, including reaching the target height at the end of the first growing season (1 + 0) and the homogeneity and uniformity of seedling growth. To increase growth and morphophysiological quality of white spruce seedlings (1 + 0), emphasis was placed on improving the physicochemistry of the acidic peat substrate by replacing silica with granular calcite as a covering material. The objective of our study is to compare the effects of silica and calcite on the physicochemistry of the peat substrate, as well as on growth and mineral nutrition of white spruce seedlings (1 + 0) under forest nursery conditions. Three treatments were used to cover the cavities of large white spruce seedlings produced in containers: silica (29 g\/cavity; control treatment), calcite (24 g\/cavity) and calcite + (31 g\/cavity). At the end of the first growing season, the two calcite treatments significantly increased the total dry mass (28%), roots (27%) and shoot (29%) dry masses and height (24%) compared to silica treatments. Average calcium concentration and content of calcite treatments were significantly higher than that of silica treatment.<\/p>\n","protected":false},"excerpt":{"rendered":"

Published in Land 10(7): 661. https:\/\/doi.org\/10.3390\/land10070661 Growing\u00a0Picea glauca\u00a0seedlings poses many challenges for forest nursery managers, including reaching the target height at the end of the first growing season (1 + 0) and the homogeneity and uniformity of seedling growth. To increase growth and morphophysiological quality of white spruce seedlings (1 + 0), emphasis was placed […]<\/p>\n","protected":false},"template":"","format":"standard","cptt_secteur":[1179],"cptt_theme":[1186,1180,1181],"cptt_categ_publi":[1149],"cptt_auteurs_ministeriels":[1065,1093],"class_list":["post-82324","cpt_publication","type-cpt_publication","status-publish","format-standard","hentry","cptt_secteur-forests","cptt_theme-forest-genetics","cptt_theme-forestry-research","cptt_theme-forests","cptt_categ_publi-scientific-article","cptt_auteurs_ministeriels-i-auger","cptt_auteurs_ministeriels-m-lamhamedi"],"acf":[],"yoast_head":"\nGranular calcite: A new cultural practice to improve the physicochemistry of the peat substrate, growth and morphophysiological quality of white spruce seedlings in forest nurseries - Minist\u00e8re des Ressources naturelles et des For\u00eats<\/title>\n<meta name=\"description\" content=\"The effects of silica and calcite on growth and mineral nutrition of white spruce seedlings are compared under forest nursery conditions.\" \/>\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\/granular-calcite-peat-substrate-growth-white-spruce-seedlings\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Granular calcite: A new cultural practice to improve the physicochemistry of the peat substrate, growth and morphophysiological quality of white spruce seedlings in forest nurseries - 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