Results 101 to 110 of about 31,203,726 (206)

Composição da madeira e do carvão vegetal de Eucalyptus urophylla em diferentes locais de plantio

open access: yesPesquisa Florestal Brasileira, 2012
Objetivou-se avaliar o efeito do local de plantio na composição química elementar da madeira e na produção e qualidade do carvão vegetal de Eucalyptus urophylla e verificar as relações estatísticas entre as variáveis mensuradas na madeira e no carvão ...
Aliny Aparecida dos Reis   +4 more
doaj   +1 more source

Carbonização de resíduos do processamento mecânico da madeira de eucalipto [PDF]

open access: yesCiência Florestal, 2005
Madeira de Eucalyptus urophylla e três resíduos do processamento mecânico da madeira de Eucalyptus spp (lascas, cascas e maravalhas) foram carbonizados às temperaturas máximas de 400 oC e de 600 oC visando à determinação dos rendimentos gravimétricos em ...
Azarias Machado de Andrade   +1 more
doaj  

Soil Nutrient, Enzyme Activity, and Microbial Community Characteristics of E. urophylla × E. grandis Plantations in a Chronosequence

open access: yesForests
The effects of continuous Eucalyptus cropping on soil properties and microbial characteristics and the specific factors influencing tree species growth remain elusive. In this study, three Eucalyptus stands of three different ages were selected, and soil nutrients, microbial biomass, enzyme activity, microbial community composition, and diversity were ...
Yuhe Zhang   +4 more
openaire   +1 more source

Antifungal Activity of Eucalyptus urophylla Oil Against Aspergillus niger and Fusarium oxysporum

open access: yes, 2017
Essential oils obtained from Eucalyptus posses many bioactivities as fungicidal, antimicrobial, insecticidal and other activities. This study elucidated chemical compounds and antifungal activity of Eucalyptus urophylla leaves oil.
Rini Pujiarti   +2 more
core   +1 more source

Factors Limiting the Growth of Eucalyptus and the Characteristics of Growth and Water Use under Water and Fertilizer Management in the Dry Season of Leizhou Peninsula, China

open access: yesAgronomy, 2019
The growth rate of eucalyptus in the dry season was significantly lower than that in the wet season. However, the limiting factors of eucalyptus growth in the dry season are not clear.
Zhichao Wang   +4 more
doaj   +1 more source

Genetic resistance to rust in Eucalyptus pellita and E. urophylla x E. grandis [PDF]

open access: yes, 2011
A ferrugem do eucalipto causada pelo fungo Puccinia psidii é, atualmente, uma das principais enfermidades da cultura do eucalipto no Brasil. O controle da doença tem sido realizado por meio do plantio de espécies, progênies ou clones resistentes.
Santos, Marisângela Rodrigues dos
core  

Regeneração de raízes de mudas de eucalipto em recipientes e substratos

open access: yesScientia Agricola, 2000
O trabalho teve como objetivo verificar o potencial de regeneração de raízes (P.R.R.) e seu efeito sobre o desempenho após o plantio de mudas de Eucalyptus camaldulensis e E. urophylla, produzidas em tubetes e em blocos prensados, utilizando os seguintes
Deborah Guerra Barroso   +3 more
doaj  

Vegetation Condition and Potential Seed Rain in a Fire-Affected Tropical Forest Ecosystem Dominated by the Endangered Eucalyptus urophylla in Mutis Forest, East Nusa Tenggara-Indonesia

open access: yesEnvironment and Natural Resources Journal
Global deforestation and climate change-induced forest fires disrupt tropical forest functions. On the other hand, fires can be ecologically beneficial by increasing seed rain diversity and regeneration.
Demak E.R. Damanik   +2 more
doaj   +1 more source

Combining ability of elite clones of Eucalyptus grandis and Eucalyptus urophylla with Eucalyptus globulus

open access: yesGenetics and Molecular Biology, 2007
In Brazil, eucalyptus breeding programs for cellulose production has used two species, Eucalyptus grandis and Eucalyptus urophylla. Nevertheless, it would be useful to introgress alleles from other species to improve wood quality and volume.
Odair Bison   +4 more
doaj   +1 more source

Primeiro registro do besouro-amarelo-do-eucalipto em plantio de eucalipto no Estado do Acre

open access: yesRevista Ceres
RESUMO A ocorrência do besouro-amarelo-do-eucalipto, Costalimaita ferruginea (Fabricius) (Coleoptera: Chrysomelidae), foi confirmada em plantio de Eucalyptus pellita F. Muell, Eucalyptus urophylla S. T.
Rodrigo Souza Santos   +2 more
doaj   +1 more source

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