Results 81 to 90 of about 382,176 (172)

Survey of past, current and future Swedish forest tree breeding.

Silva Fennica, 1991
The paper gives an introduction of the tree breeding program of Sweden that started in 1936 by the establishment of an association for the tree breeding. In 1967 the Institute of Forest Improvement was founded and it replaced the earlier association. The
Danell, Öje
doaj   +1 more source

El cuidado espiritual y pastoral de la comunidad educativa de la Universidad Mariana [PDF]

, 2023
La Universidad Mariana (2021), como institución católica regentada por la Congregación de Religiosas Franciscanas de María Inmaculada y, bajo su Estatuto General, capítulo 1, se compromete con la búsqueda de la verdad para recrear, crear y aplicar el ...
Cerón Melo, Anna Lid, Bonilla Chaves, Constanza Enid, Chaves Solarte, Jorge Humberto, Benavides Ponce, Álvaro Javier   +3 more
core  

mariana

, 1979
Picea mariana (Miller) Britton, Sterns & Poggenburghblack spruce;bog spruce;swamp spruceépinette noire;épicéa marial;épinette à bière;épicéa noirmarianaWindsor along Rt.
86453 H. E. Ahles
core  

Black spruce seedling growth response in controlled organic and organic-mineral substrates

Silva Fennica, 2019
In the boreal forest of eastern Canada, a large proportion of black spruce (Picea mariana [Mill.] Britton, Sterns & Poggenb.) stands are affected by paludification.
Mohammed Henneb, Osvaldo Valeria, Nelson Thiffault, Nicole Fenton   +3 more
doaj   +1 more source

The relationship between growth of Picea Glauca (Moench) Voss, Picea Mariana (Mill.) B.S.P. and summer temperatures in sub-arctic Canada.

, 1965
The present investigation is a study of the relationship between growth of Picea glauca. (Moench) Voss, Picea mariana (Mill.) B.S.P. and climatic influences.
Mortenson, Erik.
core  

Pollen frequency of Abies and Picea in peat: A correction on some published records from Indiana bogs and lakes [PDF]

, 1944
An error was introduced in a number of reports on pollen profiles from Indiana bogs and lakes because Picea and Abies were separated on basis of size as presented in a key by Sears, which included only Picea mariana but not Picea ...
Potzger, J. E.
core  

History of Picea abies in west central Sweden [PDF]

, 2006
Early Holocene Picea megafossils found in west central Sweden have challenged the prevailing theory based on pollen analysis that Picea migrated to Scandinavia during the second half of the Holocene.
Stedingk, Henrik von
core   +1 more source

Northeastern united states species treated with copper-based preservatives: Durability in mississippi stake tests

Maderas: Ciencia y Tecnología, 2018
This paper reports on the ground-contact durability of lesser-used wood species of the northeastern United States after treatment with copper-based preservatives.
Stan T. Lebow, Rachel A. Arango, Patricia K. Lebow, Grant T. Kirker, Mark E. Mankowski, Steven A. Halverson   +5 more
doaj  

Analyse des glycosides de Picea Mariana (Mill.) B.S.P. / [PDF]

, 1992
Dans ce projet de recherche nous avons analyse les glycosides de l'epinette noire. Cette analyse comporte deux parties: 1) - l'analyse des glycosides sans transformation chimique. Les glycosides sont extraits du materiel vegetal sec par solvant. Par des techniques de chromatographie liquide (CCM, CLP et CLHP), quatre glycosides phenoliques sont
openaire   +1 more source

mariana

, 1982
Picea mariana (Miller) Britton, Sterns & Poggenburghblack spruce;bog spruce;swamp spruceépinette noire;épicéa marial;épinette à bière;épicéa noirmariana37 km north of Grand Rapids, off highway # 6. Loc. No.
4742 M.J. Shchepanek, A.W. Dugal, 4572 M.J. Shchepanek, A.W. Dugal   +1 more
core