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Author(s): NOVOTNY, E. H.; HAYES, M. H. B.; SONG, G.; AZEVEDO, E. R. de; BONAGAMBA, T. Humin, the humic fraction that is insoluble in water at all pH values, typically comprises more than 50% of soil organic matter (1). Because of the difficulties in isolation, humin compositions and pr... ... |
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Author(s): VELÁSQUES, E.; TAPIA, S.; SILVA, E. da; PEÑA, C.; PUCCI, P.; CUNHA, L.; LAVELLE, P.; BROWN, G. G.; TERRA PRETO DE ÍNDIO NETWORK
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Author(s): BENITES, V. de M.; NOVOTNY, E. H.; TEIXEIRA, W. G.; MADARI, B. E.; PIMENTA, A. S.; TROMPOWSKY, P. M. Brazil is the world's highest producer of charcoal, which is responsible for 38,5% of the world production. During the traditional process of carbonization, around 35% of the wood carbon is fixed in t... ... |
Terra preta de indio "Dark Earth Soils": chemical and spectroscopic characterization of humic acids. Author(s): CUNHA, T. J. F.; MADARI, B. E.; MARTIN NETO, L.; CANELLAS, L. P.; NOVOTNY, E. H.; MELO, V. B.; SIMÕES, M.; SILVA, W. T. L. da; MILORI, D.; PETRERE, V. G.; SANTOS, G. de A. The HA of Amazonian dark earth soils (Terra Preta de Índio) from Brazilian territory were characterized using ultraviolet-visible, Fourier transform diffuse reflectance infrared, fluorescence excitati... ... |
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Author(s): OBLITAS, E. M.; LUIZÃO, F. J.; TEIXEIRA, W. G. Com o objetivo estimar os fluxos de carbono orgânico e nutrientes em perfis de solos de Terra Preta de Índio e solos adjacentes sob floresta secundária na Amazônia Central, o presente estudo procura i... ... |
Author(s): BALESTRA, R. A. M.; OLIVEIRA, M. D. F. de; MOREIRA, J. R. de A.; FREITAS, F. O.; SAMPAIO, A. A.; KAMAIURA, K. L. M.; KAMAIURÁ, I.; AMARAL, I. B.
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Author(s): LINHARES, C. R.; AZEVEDO, E. R. de; BONAGAMBA, T. J.; SOUZA, A. A. de; ROMEIRO, G. A.; NOVOTNY, E. H. O estudo da matéria orgânica do solo (MOS) das Terras Pretas de Índios - um solo antropogênico arqueológico extremamente fértil e resiliente encontrado na Amazônia, solo esse que foi enriquecido em ca... ... |
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