Formation of humic acids during plant residue humification and their nature

MICROBIAL ACTIVITY IN RELATION TO SOIL HUMUS FORMATION

J. P. Martín, K. Haider · Soil Science · 1971 · 216 citations

Biogeochemistry, Engineering, Microbial Ecology +5

Studies on the colour of humic acids

Kyoichi Kumada · Soil Science & Plant Nutrition · 1965 · 69 citations

A COMPARISON OF THE ALKALINE EXTRACT OF TISSUES OF ASPERGILLUS NIGER WITH HUMIC ACIDS FROM THREE SOILS

Kyeong–Jin Kang, George T. Felbeck · Soil Science · 1965 · 32 citations

Environmental Engineering, Soil Chemistry, Microbiology +1

Several properties of Rp type humic acid

Masaaki Suzuki, Kyoichi Kumada · Soil Science & Plant Nutrition · 1972 · 25 citations · Full text

Classification Diagram, Engineering, Functional Property +18