Electron spin resonance spectroscopy of commercial HUMIC acids in comparison with natural HUMIC acids extracted from soil and some naturally decomposed agriculture wastes
By: Ibrahim, Majdah Husayn; al-Amir, Asma. Assiut University Bulletin for Environmental Researches. Vol. 21, no. 1 (Mar. 2018), pp.59-74, 16 p.
Subjects: Acids; Agricultural wastes; Electron paramagnetic resonance; Soils; Wastes