Chemical and structural characterization of soil humic substances under agroforestry and conventional systems Report as inadecuate




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Francisco Alisson da Silva Xavier ; Eduardo de Sá Mendonça ; João Ambrósio de Araújo Filho ; Teógenes Senna de Oliveira ;Revista Brasileira de Ciência do Solo 2011, 35 5

Author: Gislane M. de Moraes

Source: http://www.redalyc.org/


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Revista Brasileira de Ciência do Solo ISSN: 0100-0683 revista@sbcs.org.br Sociedade Brasileira de Ciência do Solo Brasil de Moraes, Gislane M.; Alisson da Silva Xavier, Francisco; de Sá Mendonça, Eduardo; de Araújo Filho, João Ambrósio; Senna de Oliveira, Teógenes CHEMICAL AND STRUCTURAL CHARACTERIZATION OF SOIL HUMIC SUBSTANCES UNDER AGROFORESTRY AND CONVENTIONAL SYSTEMS Revista Brasileira de Ciência do Solo, vol.
35, núm.
5, 2011, pp.
1597-1608 Sociedade Brasileira de Ciência do Solo Viçosa, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=180221126014 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative CHEMICAL AND STRUCTURAL CHARACTERIZATION OF SOIL HUMIC SUBSTANCES. 1597 Comissão 2.4 - Química do solo CHEMICAL AND STRUCTURAL CHARACTERIZATION OF SOIL HUMIC SUBSTANCES UNDER AGROFORESTRY AND CONVENTIONAL SYSTEMS(1) Gislane M.
de Moraes(2), Francisco Alisson da Silva Xavier(3), Eduardo de Sá Mendonça(4), João Ambrósio de Araújo Filho(5) & Teógenes Senna de Oliveira(6) SUMMARY Studies have proven that the agroforestry systems in the semi-arid region of the State of Ceará, Brazil, induce an increase in soil organic C levels. Notwithstanding, there is no information if this increase also results in qualitative changes in different pools of soil organic matter.
The objective of this study was to verify the possible chemical and structural alterations in fulvic and humic acids of a Luvisol in areas adopting agroforestry, traditional intensive cultivation and native forest in a long-term experiment conducted in the semi-arid region of Ceará State, Brazil.
The study was conducted in an experimental area of the National Goat Research Center (Embrapa) in Sobral, CE.
The following treatments were evaluat...





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