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CRESCIMENTO DE CLONE DE Eucalyptus urophylla x E. grandis EM DIFERENTES ESPAÇAMENTOS

Authors: Dereck Halley Anthony Alves Ferreira; Paulo Sérgio dos Santos Leles; Eloá Cabrera Machado; Alan Henrique Marques de Abreu; Fernanda Maria Abílio;

CRESCIMENTO DE CLONE DE Eucalyptus urophylla x E. grandis EM DIFERENTES ESPAÇAMENTOS

Abstract

Este trabalho teve como objetivo avaliar o crescimento de clone de Eucalyptus urophylla x E. grandis em diferentes espaçamentos, entre o terceiro e o sexto ano de idade, em Avaré, SP. Os tratamentos consistiram dos espaçamentos de plantio 3,0 x 1,0; 3,0 x 1,5; 3,0 x 2,0 e 3,0 x 2,5 m. Foram realizadas avaliações de DAP (diâmetro a 1,30 m da superfície do solo) e altura, e aos seis anos foi calculado o volume por árvore. Desde a idade de três anos, as plantas do espaçamento 3,0 x 1,0 m apresentaram valores médios de altura e DAP inferiores às plantas dos demais espaçamentos. Na idade de seis anos, as árvores dos espaçamentos 3,0 x 2,5 e 3,0 x 2,0 m apresentaram crescimento médio significativamente superior as do espaçamento 3,0 x 1,0 m. Com base no diâmetro médio das árvores e na estimativa do volume por hectare, conclui-se que o espaçamento mais indicado para o sítio em que o trabalho foi realizado é o 3,0 x 2,0 m.Palavras-chave: Densidade de plantio; Eucalyptus urograndis; sítio florestal. AbstractGrowth of clone Eucalyptus urophylla x E. grandis in different spacing. This research aims to evaluate the growth of clones of Eucalyptus urophylla x E. grandis at different spacing, between the age of three and six years, in Avaré - SP. Treatments consisted of planting space as follows: 3,0 x 1,0; 3,0 x 1,5; 3,0 x 2,0 and 3,0 x 2,5 m. We evaluated DAP (diameter of soil) and height. We calculated the volume per tree of the six years old ones. Since the age of 3 years, plants in space 3,0 x 1,0 m had mean height and DAP lower than the ones in different spacing. At age 6, the trees of spacing 3,0 x 2,5 and 3,0 x 2,0 m revealed significantly higher average growth than the ones in spacing of 3,0 x 1,0 m. As conclusion, the most appropriate spacing for the region we worked is 3,0 x 2,0 m.Keywords: Planting density; Eucalyptus urograndis; forest site.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
14
Top 10%
Average
Average
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