CHARACTERIZATIONS OF SOME ORGANIC MATERIALS SOURCES AND ANALYSIS OF THE HUMIC ACIDS EXTRACTED FROM THEM

CHEMICAL AND SPECTROSCOPIC MEASUREMENTS ON THE HUMIC ACIDS EXTRACTED FROM SOME ORGANIC COMPOSTS

APPLICATION OF 1H-NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY TO STUDY THE STRUCTURE OF SOME HUMIC ACIDS

COMPARATIVE ANALYSIS OF HUMIC AND FULVIC ACIDS EXTRACTION AND CHARACTERIZATION FROM DIFFERENT ORGANIC SOURCES

Physicochemical Characteristics of Humic and Fulvic Acids Extracted from Different Feedstocks

Acid-Base Properties of Humic Acids Isolated from Different Sources

EFFECT OF SOME HUMIC ACIDS ON WHEAT PLANT GROWN IN DIFFERENT SOILS

INTERACTION BETWEEN HUMIC ACIDS AND

STUDIES ON THE CONTENT OF SOME AVAILABLE NUTRIENTS AND PLANT GROWTH IN SALT AFFECTED SOILS

BIOCHEMICAL ENZYMATIC STUDIES ON STATUS AND DISTRIBUTION OF SOIL ORGANIC-S FRACTIONS UNDER DIFFERENT DRAINAGE CONDITIONS