2003
DOI: 10.1590/s0100-204x2003000900010
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Decomposition of Arachis pintoi and Hyparrhenia rufa litters in monoculture and intercropped systems under lowland soil

Abstract: -Tropical grasslands under lowland soils are generally underutilized and the litter of forage legumes may be used to recover these degraded pastures. The objective of this work was to study the dynamics of litter decomposition of Arachis pintoi (pinto peanut), Hyparrhenia rufa (thatching grass) and a mixture of both species in a lowland soil. These treatments were analyzed in three areas: grass monoculture, legume monoculture and legume intercropped with the grass during the dry and wet seasons. Litter bags co… Show more

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Cited by 8 publications
(10 citation statements)
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“…A. pintoi had the highest k P in PD and S. guianensis in ARA, consequently the t 1/2 P of both leguminous residues was lowest (17.6 and 19.3 days, respectively). Oliveira et al (2003) reported similar t 1/2 P values of 16.1 days for A. pintoi. Unlike K, generally considered the nutrient with highest release rate, P participates in cell constituents, e.g., phospholipids, nucleic acids and DNA and RNA structures, and is also part of the ATP molecule (Jahnke, 1992;Ha et al, 2007).…”
Section: Nutrient Releasementioning
confidence: 57%
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“…A. pintoi had the highest k P in PD and S. guianensis in ARA, consequently the t 1/2 P of both leguminous residues was lowest (17.6 and 19.3 days, respectively). Oliveira et al (2003) reported similar t 1/2 P values of 16.1 days for A. pintoi. Unlike K, generally considered the nutrient with highest release rate, P participates in cell constituents, e.g., phospholipids, nucleic acids and DNA and RNA structures, and is also part of the ATP molecule (Jahnke, 1992;Ha et al, 2007).…”
Section: Nutrient Releasementioning
confidence: 57%
“…Environmental factors such as temperature, moisture and aeration affect the microbial community and activity (Robertson & Morgan, 1996), and are therefore related to the decomposition process. Oliveira et al (2003) observed significant effects on A. pintoi, when the residue decomposition process was evaluated in the wet and dry seasons. However, Zaharah & Bah (1999) observed no effects of rainfall on the decomposition and nutrient release rates of gliricidia (Gliricidia sepium).…”
Section: Introductionmentioning
confidence: 89%
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“…Alguns trabalhos têm sido desenvolvidos para avaliar o potencial de decomposição e mineralização de várias espécies de plantas de cobertura, especialmente em sistema de plantio direto (Torres et al, 2005) e pastagens consorciadas (Oliveira et al, 2003). Os resultados obtidos na presente pesquisa demonstram o potencial de utilização dessas espécies como plantas de cobertura para a região do Cerrado, principalmente em períodos de entressafra, pois além de acumularem razoável quantidade de biomassa, promovem a reciclagem de nutrientes e sua liberação gradativa, na qual a sua disponibilidade pode ser rápida e intensa, dependendo, dentre outros fatores, do regime de chuvas, da espécie empregada e do tipo de solo (Rosolem et al, 2003).…”
Section: Resultsunclassified
“…Whereas for the number of leave, it shows a non-significant different between all treatment where the p value is 0.944. From the descriptive data, the highest measurement for height of aerobic rice plant is treatment T2 (aerobic rice with Arachis pintoi) because Arachis pintoi has a high nutritive value and low fiber content (Firth et al 2002;Neef 2004) and it has fast nutrient cycling than most plants ( De Oliveira et al 2003).…”
Section: Discussion:-mentioning
confidence: 99%