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Electron paramagnetic resonance and thermo-gravimetric characterization of Humic acids in nutrient-rich soils from the Raposa-Serra do Sol indian reserve, Roraima, Brazil
Little is known about the organic matter status in nutrientrich cultivated soil in Amazonia since most studies dealt with slash-and-burn nutrient-poor soil. In Roraima (north Amazonia) Macuxi Indians have cultivated food crops (maize, manihoc and beans) on nutrient-rich Alfisols for many years in th...
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| Publicado no: | Interciencia |
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| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Asociación Interciencia
2011
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| Assuntos: | |
| Acesso em linha: | https://www.redalyc.org/articulo.oa?id=33919418009 |
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