Effect of fires on soil nutrient availability in an open savanna in Central Brazil

@article{Pivello2010EffectOF,
  title={Effect of fires on soil nutrient availability in an open savanna in Central Brazil},
  author={V{\^a}nia Regina Pivello and Imma Oliveras and Heloisa Sinatora Miranda and Mundayatan Haridasan and Margarete N. Sato and S{\'e}rgio T. Meirelles},
  journal={Plant and Soil},
  year={2010},
  volume={337},
  pages={111-123}
}
Fire is common in savannas but its effects on soil are poorly understood. We analyzed long-term effects of fire on surface soil of an open Brazilian savanna (campo sujo) in plots submitted to different fire regimes during 18 years. The five fire regimes were: unburned, quadrennial fires in middle dry season, and biennial fires in early, middle or late dry season. Soil was collected during the wet and the middle dry season of 2008, and analyzed for pH, organic matter, total N, potential acidity… 

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