Espécies de braquiárias alterando a nitrificação no solo

Translated title of the contribution: Brachiaria species affecting soil nitrification

Adalton Mazetti Fernandes, Gabriel José Massoni de Andrade, Emerson de Freitas Cordova de Souza, Ciro Antonio Rosolem

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Nitrification can lead to substantial losses of the applied N through nitrate leaching and N2O emission. The regulation of nitrification may be a strategy to improve fertilizer N recovery and increase its agronomic efficiency. The objective of this study was to evaluate the inhibiting capacity of nitrification in soil by Brachiaria species. The greenhouse experiment was conducted using pots with 10 dm3 of a Red Latosol sample. The treatments consisted of the cultivation of three forage species (Brachiaria brizantha, B. ruziziensis and B. decumbens) and four N rates (0, 100, 200, and 300 mg/pot), and the control (without plants). In the absence of the forage plants, all N fertilization levels raised the N-NO3- soil levels, as a result of nitrification. The mineralization of organic matter supplied much of the N requirement of the forage plants and nitrification was influenced in the rhizosphere of B. brizantha; however, this effect was not high enough to alter the N-NH4+ level in the total soil volume of the pot.

Translated title of the contributionBrachiaria species affecting soil nitrification
Original languagePortuguese
Pages (from-to)1699-1706
Number of pages8
JournalRevista Brasileira de Ciencia do Solo
Issue number5
StatePublished - 2011
Externally publishedYes


  • Ammonium
  • Nitrate
  • Nitrogen

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