Characterization of fungal melanins and soil humic acids by chemical analysis and infrared spectroscopy

Diagnosis and Improvement of Saline and Alkali Soils

L. A. Richards · Soil Science · 1954 · 9.2K citations

Agriculture, Agronomy, Soil Sciences +11

Humus Chemistry—Genesis, Composition, Reactions

J. W. Parsons · Soil Science · 1983 · 4.1K citations

Agriculture, Chemistry, Soil Sciences +9

Infrared spectra of humic acids and related substances

F. J. Stevenson, K. M. Goh · Geochimica et Cosmochimica Acta · 1971 · 390 citations

Natural Sciences, Chemistry, Soil Chemistry +8

Determination of Acidity in Soil Organic Matter

M. Schnitzer, Umesh Gupta · Soil Science Society of America Journal · 1965 · 286 citations

Agriculture, Chemistry, Soil Sciences +17

Synthesis and Transformation of Phenolic Compounds by Epicoccum nigrum in Relation to Humic Acid Formation

K. Haider, J. P. Martín · Soil Science Society of America Journal · 1967 · 125 citations · Full text

Life Sciences, Biochemistry, Microbiology +15