2010
DOI: 10.1007/s11104-010-0380-8
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Fine root isotropy in Eucalyptus grandis plantations. Towards the prediction of root length densities from root counts on trench walls

Abstract: The objectives of the study were to assess changes in fine root anisotropy and specific root lengths throughout the development of Eucalyptus grandis (W. Hill ex Maiden) plantations and to establish a predictive model of root length density (RLD) from root intercept counts on trench walls. Fine root densities (<1 mm in diameter) were studied in 6-, 12-, 22-, 28-, 54-, 68-and 72-month-old E. grandis plantations established on deep Ferralsols in southern Brazil. Fine root intercepts were counted on 3 faces of 90… Show more

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Cited by 39 publications
(33 citation statements)
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“…Há correspondência entre a maior abundância de raízes nas camadas superficiais do perfil de solo e a maior disponibilidade de água e nutrientes (HODGE, 2004;MAURICE et al, 2010;FINÉR et al, 2011).…”
Section: Discussionunclassified
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“…Há correspondência entre a maior abundância de raízes nas camadas superficiais do perfil de solo e a maior disponibilidade de água e nutrientes (HODGE, 2004;MAURICE et al, 2010;FINÉR et al, 2011).…”
Section: Discussionunclassified
“…Mello et al (1998) constataram que no verão o comprimento de raiz de eucalipto (< 1,0 mm) variou de 5.500 a 25.200 km ha -1 na serapilheira e de 91.400 a 53.100 km ha -1 no perfil do solo, para o melhor clone e para o material propagado por semente, respectivamente. A extensão de raízes finas é característica intrínseca do genótipo, a qual é estreitamente relacionada com o seu comportamento nutricional, potencial produtivo e capacidade de adaptação às condições de estresse ambiental (CRAINE, 2006;OSTONEN et al, 2007;ZOBEL et al, 2007;MAURICE et al, 2010).…”
Section: Discussionunclassified
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“…For instance, the N X coefficient was significantly different from 2 in melaleuca and peach palm (Lopez-Zamora et al 2002) and ranged between 3 and 11 for N X and N AVG . In Eucalyptus grandis, the coefficient for N X and N AVG ranged between 3 and 9 (Maurice et al 2010). Mean values per soil depth are usually considered to establish RLD=2N relationship (Lopez-Zamora et al 2002;Maurice et al 2010), but we used data obtained from individual soil cubes because of small sample size.…”
Section: Relationship Between Root Length Density (Rld) and Root Numbmentioning
confidence: 99%