Ultraviolet-visible and Infrared Spectroscopic Studies of Soil Humic Acids
Minakhi Kachari, Punam Belwar, Krishna Dutta, Annapurna Sarmah, Partha P. Saikia & Mrinal K. Baruah · International Journal of Plant & Soil Science · 2015
Structural characterization of humic acids extracted from surface, below 15 cm depth and 30 cm depth tea garden soils have been studied here. Instrumental analysis of the organic substances were carried out using UV-Visible and IR spectroscopies. The results reveal low level of h...
Open access
Research Article
10.9734/IJPSS/2015/16032