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Helenius, Pekka
87
results:
Format
Online (87)
Mediatypes
Articles (Online) (46)
OpenAccess-fulltext (41)
Languages
english (72)
finnish (6)
Sorted by: Relevance
Sorted by: Year
?
1
Quantitative magnetic resonance imaging of Scots pine seeds..:
Tuomainen, Teemu V.
;
Himanen, Katri
;
Helenius, Pekka
..
Canadian Journal of Forest Research. 52 (2022) 5 - p. 685-695 , 2022
Link:
https://doi.org/10.1139/..
?
2
Intracone variation explains most of the variance in Picea ..:
Himanen, Katri
;
Helenius, Pekka
;
Ylioja, Tiina
.
Canadian Journal of Forest Research. 46 (2016) 4 - p. 470-477 , 2016
Link:
https://doi.org/10.1139/..
?
3
Regeneration result of excavator-mounted rototiller in dire..:
Helenius, Pekka
;
Saarinen, Markku
Scandinavian Journal of Forest Research. 28 (2013) 8 - p. 752-757 , 2013
Link:
https://doi.org/10.1080/..
?
4
Siementen itäminen ja taimien orastuminen männyn äeskylvöss..:
Nygren, Markku
;
Ikonen, Niina
;
Helenius, Pekka
Metsätieteen aikakauskirja. 2013 (2013) 2 - p. , 2013
Link:
https://doi.org/10.14214..
?
5
Liotuskäsittelyiden vaikutus kuusen siementen itämiseen:
Himanen, Katri
;
Helenius, Pekka
;
Nygren, Markku
Metsätieteen aikakauskirja. 2010 (2010) 2 - p. , 2010
Link:
https://doi.org/10.14214..
?
6
Short-day treatment enhances root egress of summer-plantedP..:
Luoranen, Jaana
;
Helenius, Pekka
;
Huttunen, Liisa
.
Scandinavian Journal of Forest Research. 22 (2007) 5 - p. 384-389 , 2007
Link:
https://doi.org/10.1080/..
?
7
Effect of preplanting drought on survival, growth and xylem..:
Helenius, Pekka
;
Luoranen, Jaana
;
Rikala, Risto
Scandinavian Journal of Forest Research. 20 (2005) 2 - p. 103-109 , 2005
Link:
https://doi.org/10.1080/..
?
8
Effect of thawing regime on growth and mortality of frozen-..:
Helenius, Pekka
New Forests. 29 (2005) 1 - p. 33-41 , 2005
Link:
https://doi.org/10.1007/..
?
9
Extension of the planting period of Norway spruce container..:
Helenius, Pekka
Dissertationes Forestales. 2005 (2005) 3 - p. , 2005
Link:
https://doi.org/10.14214..
?
10
Effect of thawing duration and temperature on field perform..:
Helenius, Pekka
;
Luoranen, Jaana
;
Rikala, Risto
Silva Fennica. 38 (2004) 3 - p. , 2004
Link:
https://doi.org/10.14214..
?
11
Effect of Drought on Growth and Mortality of Actively Growi..:
Helenius, Pekka
;
Luoranen, Jaana
;
Rikala, Risto
.
Scandinavian Journal of Forest Research. 17 (2002) 3 - p. 218-224 , 2002
Link:
https://doi.org/10.1080/..
?
12
Pakkasvarastoitujen kuusen paakkutaimien sulatusajan ja -lä..:
Helenius, Pekka
;
Luoranen, Jaana
;
Rikala, Risto
Metsätieteen aikakauskirja. 2004 (1970) 4 - p. , 1970
Link:
https://doi.org/10.14214..
?
13
Kesällä istutettavien, kasvussa olevien kuusen paakkutaimie..:
Helenius, Pekka
;
Luoranen, Jaana
;
Rikala, Risto
Metsätieteen aikakauskirja. 2002 (1970) 4 - p. , 1970
Link:
https://doi.org/10.14214..
?
14
Quantitative magnetic resonance imaging of Scots pine seeds..:
Tuomainen, Teemu V
;
Himanen, Katri
;
Helenius, Pekka
..
Canadian journal of forest research-revue canadienne de recherche forestiere. , 2022
Link:
https://erepo.uef.fi/han..
?
15
Quantitative magnetic resonance imaging of Scots pine seeds..:
Tuomainen, Teemu Valtteri
;
Himanen, Katri
;
Helenius, Pekka
..
doi:10.1139/cjfr-2021-0273.. , 2022
Link:
https://zenodo.org/recor..
1-15