Soil genesis and iron nodules in a karst environment of the apodi plateau Report as inadecuate




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Leo Jakson da Silva Moreira ; Ana Leônia de Araújo Girão ; Ricardo Espíndola Romero ; Tiago Osório Ferreira ;Revista Ciência Agronômica 2014, 45 4

Author: Rodrigo de Oliveira Girão

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Revista Ciência Agronômica ISSN: 0045-6888 ccarev@ufc.br Universidade Federal do Ceará Brasil de Oliveira Girão, Rodrigo; da Silva Moreira, Leo Jakson; de Araújo Girão, Ana Leônia; Espíndola Romero, Ricardo; Osório Ferreira, Tiago Soil genesis and iron nodules in a karst environment of the Apodi Plateau Revista Ciência Agronômica, vol.
45, núm.
4, octubre-diciembre, 2014, pp.
683-695 Universidade Federal do Ceará Ceará, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=195331351006 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 Revista Ciência Agronômica, v.
45, n.
4, p.
683-695, out-dez, 2014 Centro de Ciências Agrárias - Universidade Federal do Ceará, Fortaleza, CE www.ccarevista.ufc.br Artigo Científico ISSN 1806-6690 Soil genesis and iron nodules in a karst environment of the Apodi Plateau1 Gênese de solos e nódulos de ferro em ambiente cárstico na Chapada do Apodi Rodrigo de Oliveira Girão2*, Leo Jakson da Silva Moreira3, Ana Leônia de Araújo Girão2, Ricardo Espíndola Romero2 e Tiago Osório Ferreira4 ABSTRACT - The Apodi Plateau, located in the northeastern part of the state of Ceará in Brazil, has limestone as its parent material, with significant variation in the soils formed in this region, as well as the presence of iron nodules, having been identified.
The iron oxides have been used as indicators for evaluating the weathering processes of some soils, with the nodules being sources of information about pedogenic processes.
Seeking to evaluate the influence of the karstic parent material and of the iron nodules on soil genesis in the Apodi Plateau, the morphological, physical and chemical properties of five profiles were evaluated, as well as of the iron nodules present in some ...





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