2016
DOI: 10.1590/18069657rbcs20150384
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Initial Recovery of Organic Matter of a Grass-Covered Constructed Soil after Coal Mining

Abstract: ABSTRACT:Revegetation is essential to improve the quality of constructed soils. This study investigated effects of perennial grasses on total organic carbon (TOC) stock, organic matter (OM) fractions and on quality of a recently constructed soil, after coal mining. Soil samples were collected from the 0.00-0.03 m layer two years after the beginning of the experiment. The treatments consisted of Cynodon dactylon cv vaquero (T1); Urochloa brizantha (T2); Panicum maximun (T3); Urochloa humidicola (T4); Hemarthria… Show more

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Cited by 10 publications
(9 citation statements)
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“…Contudo, esse estado é alterado quando o solo passa a ser utilizado para fins agrícolas (BRAIDA; REICHERT, 2014). Quando o sistema solo perde carbono, devido a redução dos teores de matéria orgânica do solo, gera uma diminuição de sua qualidade (LAL, 2015), interferindo na sua agregação (SOUZA et al, 2016;FONTE et al, 2014), porosidade e densidade (ROSSETTI; CENTURION, 2015).…”
Section: Introductionunclassified
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“…Contudo, esse estado é alterado quando o solo passa a ser utilizado para fins agrícolas (BRAIDA; REICHERT, 2014). Quando o sistema solo perde carbono, devido a redução dos teores de matéria orgânica do solo, gera uma diminuição de sua qualidade (LAL, 2015), interferindo na sua agregação (SOUZA et al, 2016;FONTE et al, 2014), porosidade e densidade (ROSSETTI; CENTURION, 2015).…”
Section: Introductionunclassified
“…Por conta desta importância, diferentes frações da matéria orgânica do solo, como o carbono orgânico particulado (COP) e o carbono associado aos minerais (CAM), vêm sendo utilizados como indicadores de qualidade do solo, por serem mais sensíveis às alterações de manejo do solo do que o carbono orgânico total (COT), conforme observado em Faccin et al (2017), Kunde et al (2016), Leal et al (2016), Salton et al (2012) e Loss et al (2011).…”
Section: Introductionunclassified
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“…In this sense, several studies have already been developed in mining soils to evaluate the effect of revegetation on their chemical (Bitencourt et al, 2015;Stumpf et al, 2016a;Leal et al, 2016), physical (Reis et al, 2014;Stumpf et al, 2016b;Pauletto et al, 2016) and biological (Menta et al, 2014;Oliveira Filho et al, 2015;Frasson et al, 2016;Majumder & Palit, 2017) attributes. Plants play a key role in the recovery of degraded areas, since they promote the increase of organic matter and the improvement of other soil attributes such as aggregation, aeration and water retention, thus creating favorable conditions for increasing the diversity of edaphic organisms, which in turn, influence nutrient recycling and consequently improve soil fertility and ecological balance (Hernani & Padovan, 2014).…”
Section: Introductionmentioning
confidence: 99%