2013
DOI: 10.5433/1679-0359.2013v34n6p2637
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Formas de carbono em latossolo sob sistemas de plantio direto e integração lavoura-pecuária no cerrado, Goiás

Abstract: ResumoO sistema plantio direto (SPD) e mais recentemente, a integração lavoura-pecuária (ILP) são muito utilizados para produção de grãos no bioma Cerrado. Neste, a matéria orgânica do solo (MOS) é um dos principais componentes responsáveis pela manutenção da qualidade dos solos tropicais. Este trabalho objetivou quantificar os teores de carbono orgânico total (COT), nitrogênio total (N-total), carbono solúvel em água (CSA) e carbono das frações húmicas em áreas com diferentes sistemas de uso do solo no Cerrad… Show more

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Cited by 14 publications
(24 citation statements)
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“…Successive applications of P fertilizers result in increased phosphorus lability, due to the gradual occupation of high-affinity P adsorption sites, and the increase in more labile P fractions due to successive fertilizations (BRAVO et al, 2007). Rodrigues (2013) and Bezerra et al (2015) also observed higher labile phosphorus concentrations in NT areas when compared to a Red Latosol under native Cerrado vegetation.…”
Section: Variablesmentioning
confidence: 85%
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“…Successive applications of P fertilizers result in increased phosphorus lability, due to the gradual occupation of high-affinity P adsorption sites, and the increase in more labile P fractions due to successive fertilizations (BRAVO et al, 2007). Rodrigues (2013) and Bezerra et al (2015) also observed higher labile phosphorus concentrations in NT areas when compared to a Red Latosol under native Cerrado vegetation.…”
Section: Variablesmentioning
confidence: 85%
“…These studies showed higher availability of the Pi and Po fractions in NT with and without CLI (BEZERRA et al, 2015). The authors attributed this to higher input of plant material in CLI systems due to the planting of Urochloa, cattle manure left randomly throughout the area, and the application of fertilizers.…”
Section: Introductionmentioning
confidence: 88%
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