2008
DOI: 10.1016/j.soilbio.2007.08.015
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Nitrogen and phosphorus limitation of soil microbial respiration in two tropical agroforestry parklands in the south-Sudanese zone of Burkina Faso: The effects of tree canopy and fertilization

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Cited by 87 publications
(56 citation statements)
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“…Although the generalization is unlikely to hold true for all tropical forests due to varying rates of rock weathering and dust deposition (Porder and Hilley 2011), P-limitation of microbial C metabolism has been demonstrated for numerous tropical forests where experimental P-addition increased microbial mineralization of dissolved organic matter ) and increased soil CO 2 efflux , and where elevated P concentration in litter increased decomposition rates (Hobbie and Vitousek 2000). Another study concluded P-limitation of microbial metabolism of C in a tropical soil when CO 2 efflux increased more rapidly following an addition of C with P compared to C with N (Gnankambary et al 2008).…”
Section: Introductionmentioning
confidence: 97%
“…Although the generalization is unlikely to hold true for all tropical forests due to varying rates of rock weathering and dust deposition (Porder and Hilley 2011), P-limitation of microbial C metabolism has been demonstrated for numerous tropical forests where experimental P-addition increased microbial mineralization of dissolved organic matter ) and increased soil CO 2 efflux , and where elevated P concentration in litter increased decomposition rates (Hobbie and Vitousek 2000). Another study concluded P-limitation of microbial metabolism of C in a tropical soil when CO 2 efflux increased more rapidly following an addition of C with P compared to C with N (Gnankambary et al 2008).…”
Section: Introductionmentioning
confidence: 97%
“…Deve-se destacar que o efeito de outros fatores reguladores do metabolismo não foi avaliado. Vários autores têm destacado que outros fatores além do P são importantes, a exemplo do C e de N (Howard & Howard, 1993;Schmidt et al, 1999;Teklay et al, 2006;Gnankambary et al, 2008), quando a umidade e a temperatura forem constantes.…”
Section: Discussionunclassified
“…Vários pesquisadores têm relatado que o P é o principal nutriente limitante no solo devido a sua baixa disponibilidade (Ilstedt & Singh, 2005;Gnankambary et al, 2008). Os estudos focalizaram inicialmente as informações sobre a aplicação de P no solo com a produção de matéria seca das plantas, sendo poucos os associados à resposta metabólica da microbiota do solo (Nziguheba et al, 1988;Cleveland et al, 2002;Ilstedt et al, 2003).…”
Section: Introductionunclassified
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“…Studies have also demonstrated that soil phosphorus (P) availability regulates microbial activity due to microorganism demand for this nutrient (Cleveland et al 2002, Ilstedt et al 2006, Ferreira et al 2008). In addition, there is a correlation between P content in soil solutions and other biochemical processes such as decomposition and mineralization of soil organic matter (Chotte et al 1998, Saggar et al 1998, Cleveland et al 2002 and high sesquioxide content in older soils (Ilstedt et al 2003, Gnankambary et al 2008.…”
Section: Introductionmentioning
confidence: 99%