Registros del 1 al 5 de 5 encontrados |
![](./images/clear.gif) 1.- (super 13) C NMR and FTIR spectroscopy characterization of humic acids in Spodosols under tropical rain forest in southeastern Brazil
Elsevier; Amsterdam; NLD; Netherlands, 2008
Ver registro
![](./images/clear.gif) 2.- A laser-induced fluorescence spectroscopic study of organic matter in a Brazilian Oxisol under different tillage systems
Elsevier; Amsterdam; NLD; Netherlands, 2007
Ver registro
![](./images/clear.gif) 3.- CHARACTERIZATION OF HUMIC ACIDS FROM A BRAZILIAN OXISOL UNDER DIFFERENT TILLAGE SYSTEMS BY EPR, (SUPER 13) C NMR, FTIR AND FLUORESCENCE SPECTROSCOPY
ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2004
Ver registro
![](./images/clear.gif) 4.- HUMIFICATION DEGREE OF SOIL HUMIC ACIDS DETERMINED BY FLUORESCENCE SPECTROSCOPY
LIPPINCOTT, WILLIAMS & WILKINS COMPANY; BALTIMORE, MD; USA; UNITED STATES, 2002
Ver registro
![](./images/clear.gif) 5.- MULTIMETHOD STUDY OF THE DEGREE OF HUMIFICATION OF HUMIC SUBSTANCES EXTRACTED FROM DIFFERENT TROPICAL SOIL PROFILES IN BRAZIL'S AMAZONIAN REGION
ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2005
Ver registro
|
|
|