1. Adams DL, Graham RT, Wenny DL, Daa M (1991) Effect of fall planting date on survival and growth of three coniferous species of container seedlings in northern Idaho. Tree Planters’ Notes 42(2):52–55
2. Ahtikoski A, Alenius V, Mäkitalo K (2010) Scots pine stand establishment with special emphasis on uncertainty and cost-effectiveness, the case of northern Finland. New For 40:69–84
3. Burton P, Bedford M, Goldstein M, Osberg M (2000) Effects of disk trench orientation and planting spot position on the ten-year performance of lodgepole pine. New For 20:23–44
4. Ericsson A, Lindgren A, Mattsson A (1983) Effects of cold-storage and planting date on subsequent growth, starch and nitrogen content in Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) seedlings. Stud For Suec 165
5. Freij J, Örlander G (1987) Högläggning på mineraljord eller humustäcke—en försöksserie med olika trädslag, planttyper och planteringstidpunkter. SLU, Institutionen för Skogskötsel, Arbetsrapporter 19. (In Swedish)