نتائج البحث - "Pekka Helenius"

1

دورية أكاديمية

Siementen itäminen ja taimien orastuminen männyn äeskylvössä – tapaustutkimus

المؤلفون: Markku Nygren, Niina Ikonen, Pekka Helenius

المصدر: Metsätieteen aikakauskirja, Vol 2013, Iss 2 (2013)

مصطلحات موضوعية: Forestry, SD1-669.5

وصف الملف: electronic resource

Relation: http://www.metsatieteenaikakauskirja.fi/article/6881; https://doaj.org/toc/1455-2515

URL الوصول: https://doaj.org/article/6920be53dccb433c94df44cd9a0a0f4f

Full Text Finder

2

دورية أكاديمية

Liotuskäsittelyiden vaikutus kuusen siementen itämiseen

المؤلفون: Katri Himanen, Pekka Helenius, Markku Nygren

المصدر: Metsätieteen aikakauskirja, Vol 2010, Iss 2 (2010)

مصطلحات موضوعية: Forestry, SD1-669.5

وصف الملف: electronic resource

Relation: http://www.metsatieteenaikakauskirja.fi/article/5737; https://doaj.org/toc/1455-2515

URL الوصول: https://doaj.org/article/0077e6ccc07d4d3fb5f42a10ac20e16f

Full Text Finder

3

Response of the Subarctic Mountain Birch Ecosystem to the Climate Warming in Northern Finland During the Last 40 Years

المؤلفون: Anneli Poska, Annika Saarto, Jüri Vassiljev, Olga Lisitsyna, Tommi Andersson, Pekka Helenius, Kai Ruohomäki, Saija Saarni, Timo Saarinen, Otso Suominen, Ilkka Syvänperä, Elina Vainio, Sheila Hicks

المصدر: SSRN Electronic Journal.

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::fabd3f0e8e1a3b7d11a35bd5cd0b8f2a
https://doi.org/10.2139/ssrn.4146191

4

Intracone variation explains most of the variance in Picea abies seed weight: implications for seed sorting

المؤلفون: Pekka Helenius, Katri Himanen, Markku Nygren, Tiina Ylioja

المصدر: Canadian Journal of Forest Research. 46:470-477

مصطلحات موضوعية: 0106 biological sciences, Global and Planetary Change, Ecology, biology, Sorting (sediment), Variance (land use), Variance component analysis, food and beverages, Sowing, Forestry, Picea abies, Felling, biology.organism_classification, 010603 evolutionary biology, 01 natural sciences, Agronomy, Botany, Seed orchard, 010606 plant biology & botany

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::2f4ae83a76f84dc8cbad3207d7ac17ed
https://doi.org/10.1139/cjfr-2015-0379

5

Regeneration result of excavator-mounted rototiller in direct seeding of Scots pine on forestry-drained peatland

المؤلفون: Markku Saarinen, Pekka Helenius

المصدر: Scandinavian Journal of Forest Research. 28:752-757

مصطلحات موضوعية: Peat, biology, Seedling, Frost, Scots pine, Growing season, Environmental science, Forestry, Vegetation, Seedbed, biology.organism_classification, Scarification

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::14899d6f9230af82af462835fbad0695
https://doi.org/10.1080/02827581.2013.844849

PDF full text from Publisher

6

Short-day treatment enhances root egress of summer-plantedPicea abiesseedlings under dry conditions

المؤلفون: Jaana Luoranen, Liisa Huttunen, Risto Rikala, Pekka Helenius

المصدر: Scandinavian Journal of Forest Research. 22:384-389

مصطلحات موضوعية: Root growth, Drought stress, biology, fungi, food and beverages, Sowing, Forestry, Picea abies, Xylem water potential, biology.organism_classification, Horticulture, Untreated control, parasitic diseases, Botany, Shoot, Day treatment

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::8e34c6afecfae37a404abeb5f52ae8c1
https://doi.org/10.1080/02827580701551382

PDF full text from Publisher

7

Effect of preplanting drought on survival, growth and xylem water potential of actively growing Picea abies container seedlings

المؤلفون: Risto Rikala, Jaana Luoranen, Pekka Helenius

المصدر: Scandinavian Journal of Forest Research. 20:103-109

مصطلحات موضوعية: Root growth, fungi, Water stress, Sowing, Forestry, Picea abies, Xylem water potential, Biology, biology.organism_classification, Horticulture, Dry soil, Seedling, Botany, Water content

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::ddc28d0847cacd6c0819d9e60a3240ba
https://doi.org/10.1080/02827580510008239

PDF full text from Publisher

8

Effect of thawing regime on growth and mortality of frozen-stored Norway spruce container seedlings planted in cold and warm soil

المؤلفون: Pekka Helenius

المصدر: New Forests. 29:33-41

مصطلحات موضوعية: Root growth, Forest regeneration, biology, fungi, food and beverages, Environment controlled, Sowing, Forestry, Picea abies, biology.organism_classification, Horticulture, Soil temperature, Air temperature, Botany, Environmental science

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::81e37275c5470f5a9b2c37aca9c4819c
https://doi.org/10.1007/s11056-004-2940-3

Find this article in full text from Springer Verlag.

Find this article in full text from ProQuest

9

Effect of Drought on Growth and Mortality of Actively Growing Norway Spruce Container Seedlings Planted in Summer

المؤلفون: Kari Leinonen, Pekka Helenius, Risto Rikala, Jaana Luoranen

المصدر: Scandinavian Journal of Forest Research. 17:218-224

مصطلحات موضوعية: 0106 biological sciences, fungi, food and beverages, Sowing, Forestry, Picea abies, 04 agricultural and veterinary sciences, Biology, biology.organism_classification, 01 natural sciences, Horticulture, Botany, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, 010606 plant biology & botany

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::e974ad27792a925358b7b2407f11de45
https://doi.org/10.1080/028275802753742882

PDF full text from Publisher

10

Siementen itäminen ja taimien orastuminen männyn äeskylvössä – tapaustutkimus

المؤلفون: Pekka Helenius, Niina Ikonen, Markku Nygren

المصدر: Metsätieteen aikakauskirja, Vol 2013, Iss 2 (2013)

مصطلحات موضوعية: Forestry, General Medicine, SD1-669.5

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9c1702f97a4c47a8ec795b7156c9b70a
http://www.metsatieteenaikakauskirja.fi/article/6881

تنقيح النتائج