2015
DOI: 10.1590/0100-67622015000500010
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Abstract: RESUMO -Este trabalho objetivou quantificar a biomassa e os nutrientes, bem como os efeitos na produtividade e no sítio, de acordo com a intensidade de colheita, em povoamento de Eucalyptus dunnii com 4 anos, em Alegrete, RS. Realizou-se um inventário da unidade amostral para a caracterização dendrométrica do povoamento. As árvores foram compartimentalizadas em raiz, madeira do tronco, casca do tronco, galhos e folhas. Amostras foram retiradas e analisadas quanto aos teores de nutrientes. A biomassa arbórea to… Show more

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Cited by 19 publications
(16 citation statements)
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“…species was: Mn > Fe > B > Zn > Cu. This trend was similar to that reported by Viera et al (2012) for E. urograndis and by Guimarães et al (2015) for E. dunnii.…”
Section: /10supporting
confidence: 91%
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“…species was: Mn > Fe > B > Zn > Cu. This trend was similar to that reported by Viera et al (2012) for E. urograndis and by Guimarães et al (2015) for E. dunnii.…”
Section: /10supporting
confidence: 91%
“…With the exception of E. benthamii (P2) (N > Ca > K > Mg > P > S) and E. dunnii (Ca > K > N > Mg > S > P), the total quantity of macronutrients had the following order of distribution: Ca > N > K > Mg > S > P. This order was similar to what has been reported for 9-year-old E. grandis in Alegrete, RS, Brazil (Freitas et al, 2004), 4-year-old E. dunnii also in Alegrete (Guimarães et al, 2015), and E. saligna between 2 and 7 years of age in the Region of Guaíba, RS, Brazil . Viera et al (2012), studied 18-month-old E. urograndis of in Piratini, RS, Brazil and observed the same sequence, except for an inversion of the values of S and P.…”
Section: Nutrients In Biomasssupporting
confidence: 85%
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“…In relation to the stemwood biomass, the E. uroglobulus hybrid produced 25 and 44% more than the E. saligna and E. dunnii clones, respectively. Genetic factors (improvement and provenance), edaphoclimatic conditions, and management practices are directly related to the production capacity of the species [18].…”
Section: Aboveground Biomassmentioning
confidence: 99%
“…Thus, it is justified by the fact that the bark presents higher amounts of this nutrient, since it is not very movable in the vegetal tissues and its concentration increases with plant age (Freitas et al, 2004). Coincidentally, Guimaraes et al (2015) in plantings of Eucalyptus dunnii, and Freitas et al (2004) in stands of Eucalyptus grandis, also verified that the Ca was the element that presented greater variation in the exportation when considering the harvest with or without bark.…”
Section: Discussionmentioning
confidence: 84%