2008
DOI: 10.1590/s0103-90162008000300010
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Abstract: Productive systems in which green manure is the source of nutrients must develop more efficient ways to improve soil nutrient dynamics. A well-synchronized balance must be established between specific crop demands and supply of nutrients from decomposition. However, scientific data and information to help improve green manure management in Brazil is still insufficient. For that reason, a number of arboreal species was first chemically characterized and then subjected to decomposition analysis in order to estab… Show more

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Cited by 18 publications
(18 citation statements)
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“…Compared to nutrient-poor species, the concentrations of P, K, S, and B in most nutrient-rich species was twoto fourfold higher. Variation among plant species is well-known, and has previously also been reported for green-manure crops (Marstorp and Kirchmann, 1991;Sorensen, 1992;Silva et al, 2008). However, within a plant species, the chemical composition is influenced by the developmental stage.…”
Section: Nutrient-rich Mobile-green-manure Crops (Experiments 1)mentioning
confidence: 77%
See 1 more Smart Citation
“…Compared to nutrient-poor species, the concentrations of P, K, S, and B in most nutrient-rich species was twoto fourfold higher. Variation among plant species is well-known, and has previously also been reported for green-manure crops (Marstorp and Kirchmann, 1991;Sorensen, 1992;Silva et al, 2008). However, within a plant species, the chemical composition is influenced by the developmental stage.…”
Section: Nutrient-rich Mobile-green-manure Crops (Experiments 1)mentioning
confidence: 77%
“…Previously, it has been demonstrated that the release of nutrients from organic material is very much influenced by the concentration of carbon in relation to the concentration of nutrients (especially C : N, C : P, and C : S), and to the concentration of highly resistant constituents such as lignin and cellulose (Frankenberger and Abdelmagid, 1985;Eriksen et al, 2004;Müller and von Fragstein und Niemsdorff, 2006;Ha et al, 2008). Both Müller and von Fragstein und Niemsdorff (2006) and Silva et al (2008) found that the lignin-to-N ratio was highly correlated with the N release.…”
Section: Nutrient-rich Mobile-green-manure Crops (Experiments 1)mentioning
confidence: 99%
“…The amounts of N fixed from the atmosphere by diazotrophic bacteria associated with legumes may be substantial and vary from 30 to more than 200 kg ha -1 N (Herridge et al, 2008, Silva et al, 2008. Ambrosano (2009) studied the fate of nitrogen from green manure legumes and found that the efficiency of using this nitrogen source by maize was 30%, for the above-ground part of sunn hemp incorporated to an Ultisol.…”
Section: Introductionmentioning
confidence: 99%
“…Repeated green manure applications can provide more long-term Kimaro et al, 2007;Makumba et al, 2007) or more short-term (Sangakkara et al, 2004;Reddy et al, 2008;Silva et al, 2008) benefits. However, there are not always positive effects (Pandey & Rai, 2007;Marin et al, 2007).…”
Section: Introductionmentioning
confidence: 99%