Canadian Forest Service Publications
Effet de la date de plantation sur la survie et la croissance de l'épinette de Norvège sur sols sablonneux. 1971. Gagnon, J.D.; Demers, A.; Popovich, S. s.n., S.l. Rapport d'information Q-F-X-12. 17 p.
Issued by: Laurentian Forestry Centre
Catalog ID: 15255
Series: Internal Report (LFC - Québec)
Availability: PDF (download)
Two groups of Norway spruce (Picea abies (L.) Karst.) seedlings, (2 + 2 stock) were planted every 14 days during the complete frost-free period of 1965,1966 and 1967. Group A, was planted 24 hours after extraction from nursery; group B, extracted from nursery before the growing season, was packed in sealed polythene bags and kept in the cold room at a temperature of 34 - 40°F until time of planting. Two years after planting, mortality of group A seedlings remained low. In the case of group B seedlings which had been kept in sealed bags in cold room for more than six weeks, mortality was very high independently of the temperature and the precipitation that prevailed during the length of the experiment. Three years after planting, height-growth percentage of group A seedlings varied considerably; those planted after mid-July shown a much height-growth than those planted between mid-May and mid-July. It would then appear that on the Quebec sandy soils, planting of Norway spruce is possible during the whole frost-free period as long as it is performed within 24 hours following extraction from nursery.