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162  Articles
1 of 17 pages  |  10  records  |  more records»
En este trabajo se compara el valor del módulo de elasticidad local obtenido experimentalmente con el determinado a partir del módulo de elasticidad global de acuerdo a tres criterios reconocidos internacionalmente (UNE-EN 384 2016, INTI-CIRSOC 2016 y Dan... see more

Com este trabalho estudou-se o comportamento do Populus deltoides referente ao seu desenvolvimento, quando submetido a diferentes doses de calcário. A pesquisa foi realizada no Centro Tecnológico de Silvicultura, na Universidade Federal de Santa Maria, mu... see more
< | i> | Populus deltoides< | /i> |  |  estacas |  calagem
No presente estudo, foram avaliadas, entre os anos 1987 e 1995 (idades 1 a 9), as distribuições diamétricas de seis florestas clonais de Populus deltoides Marsh. plantadas em 1986. As funções probabilísticas normal, gama, beta, SB de Johnson e Weibull com... see more

Aims of study: The short- and long-term effects of weed control and fertilization on growth and wood anatomy of 10-y-old Populus deltoides were investigated. Weed control and fertilization usually leads to an increase the growth rate of trees, and consequ... see more

The aim of this study was to assess the growth of clones of Populus spp. in the soil types Hapludolls and Argiudolls, of the mainland in the Buenos Aires province. The study took place in Alberti (34°50’ S, 60°30’ W, 35 m.a.s.l.), Buenos Aires, Ar... see more

Influence of copper ions concentration gradient on the activity of peroxidase prepared from Populus deltoid?s Marsh. leaves was studied in vitro for plants growing near the mercury combine and zinc factory of Donbass and in a city square. Leaf peroxidase ... see more


Fire suppression and grazing on the Great Plains have resulted in alteration of the grassland ecosystem, including an increase in woody trees. Eastern redcedar (Juniperus virginiana L.) is a native but invasive conifer that is rapidly expanding its range ... see more

We characterized the structure and tree species composition of bottomland hardwood forest at Arcadia Lake, Oklahoma County, Oklahoma. Additionally, we quantified the age structure of Fraxinus pennsylvanica Marshall (green ash) at the study site in order t... see more

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