Terra preta de indio "Dark Earth Soils": chemical and spectroscopic characterization of humic acids.
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.
Summary: 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 excitation and emission, electron paramagnetic resonance, and nuclear magnetic resonance spectroscopy, thermogravimetric analysis, elemental composition, and measurement of acidity (total, carboxylic, phenolic).
Publication year: 2007
Types of publication: Abstract in annals or event proceedings
Unit: Embrapa Semi-arid Region
Keywords: Agricultura, Carbonização, Carvão Vegetal, Lenha, Madeira, Solo, Terra preta de índio
Observation
Some of Embrapa's publications are published as ePub files. To read them, use or download one of the following free software options to your computer or mobile device. Android: Google Play Books; IOS: iBooks; Windows and Linux: Calibre.
Access other publications
Access the Agricultural Research Database (BDPA) to consult Embrapa's full library collection and records.
Visit Embrapa Bookstore to purchase books and other publications sold by Embrapa.