The effect of humic and fulvic acids on the growth and efficiency of nitrogen fixation ofAzotobacter chroococcum

NOTES ON THE BIOLOGY OF AZOTOBACTER

H. L. Jensen · Proceedings of the Society for Applied Bacteriology · 1951 · 153 citations

Life Sciences, Biochemistry, Microbiology +10

Complexing of Metals by Soil Organic Matter

J. L. Mortensen · Soil Science Society of America Journal · 1963 · 117 citations

Agriculture, Earth Sciences, Soil Sciences +17

CONTRIBUTION TO OUR KNOWLEDGE OF THE CHEMICAL NATURE AND ORIGIN OF HUMUS

Selman A. Waksman · Soil Science · 1932 · 67 citations

Agriculture, Chemistry, Soil Sciences +8

The Influence of Nitrogen Gas upon the Organic Catalysis of Nitrogen Fixation by Azotobacter

Dean Burk · The Journal of Physical Chemistry · 1930 · 55 citations

Life Sciences, Chemistry, Microbiology +10

MICROBIAL UTILIZATION OF SOIL HUMIC ACIDS

Shivani Mathur, E. A. Paul · Canadian Journal of Microbiology · 1967 · 54 citations

Agriculture, Microbiology, Soil Sciences +14