2013
DOI: 10.1590/s0100-06832013000600003
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Caracterização de Espodossolos dos Estados da Paraíba e do Pernambuco, Nordeste do Brasil

Abstract: RESUMOEstudos com Espodossolos de ambientes tropicais de tabuleiros costeiros ainda são escassos. Este trabalho visou caracterizar perfis desses solos, tanto nos tabuleiros como em uma restinga nos Estados da Paraíba e do Pernambuco, Nordeste do Brasil. O estudo foi realizado com 14 perfis, inseridos em relevo predominantemente plano e sob cultivo de cana-de-açúcar, em que foram realizadas análises físicas, químicas e mineralógicas. Com relação às condições de drenagem, a maioria dos perfis foi definida como m… Show more

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Cited by 10 publications
(15 citation statements)
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“…Similar results have been observed in soils of the Cabo Basin (Costa, 2012;Carvalho et al, 2013;Neves, 2014) and in soils developed from the alteration of rhyolites in other regions (Heckman and Rasmussen, 2011). The values of K and P, slightly higher in the surface layer (Table 2), are related to greater supplies of organic matter and/or the fertilization applied in the area.…”
Section: Soil Chemical Propertiessupporting
confidence: 80%
“…Similar results have been observed in soils of the Cabo Basin (Costa, 2012;Carvalho et al, 2013;Neves, 2014) and in soils developed from the alteration of rhyolites in other regions (Heckman and Rasmussen, 2011). The values of K and P, slightly higher in the surface layer (Table 2), are related to greater supplies of organic matter and/or the fertilization applied in the area.…”
Section: Soil Chemical Propertiessupporting
confidence: 80%
“…The mineralogical assemblage was simple, with a predominance of kaolinite in the clay fraction and quartz in the sand fraction (Table 3 and Figure 7), as also reported in other studies (CARVALHO et al, 2013;DANTAS et al, 2014;LIMA NETO et al, 2009;MOREAU et al, 2006;OLIVEIRA et al, 2010;SILVA et al, 2012). Quartz, which is usually found in coarse fractions (sand and silt), was also observed in the clay fraction of all studied soils.…”
Section: Soil Mineralogical Attributessupporting
confidence: 87%
“…Coastal Tablelands are distributed along the coast of Brazil, from Rio de Janeiro to Amapá, and are formed predominantly by plain surfaces usually interspersed by deep valleys. These plains are associated with the sediments of the Barreiras Formation, dating from the Tertiary, and occupy approximately 200,000 km 2 (CARVALHO et al, 2013;FILIZOLA et al, 2001). Coastal Tablelands are usually composed of strongly weathered, clayey, sandy-clayey, or sandy soils that are predominantly kaolinitic and iron-poor.…”
Section: Introductionmentioning
confidence: 99%
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“…Estudos têm evidenciado que a pedogênese dos fragipãs e duripãs está relacionada à presença de agentes cimentantes compostos de Fe, Si e, ou, Al (Filizola et al, 2001;Moreau et al, 2006;Carvalho et al, 2013), como também de argilominerais silicatados agindo como ligantes (Norfleet e Karathanasis, 1996;Rolim Neto e Santos, 1994), ou, ainda, aos efeitos dos suscessivos ciclos de umedecimento e secagem, favorescendo a iluviação de argila e silte em subsuperfície, reduzindo a porosidade ou o empacotamento denso pela orientação de partículas (Assallay et al, 1998;Attou e Braund, 1998). Tais horizontes interferem no movimento e armazenamento de água no solo, no crescimento de raízes e, consequentemente, na nutrição mineral de plantas.…”
Section: Introductionunclassified