On humus formation
@article{Varadachari2005OnHF,
title={On humus formation},
author={C. Varadachari and K. Ghosh},
journal={Plant and Soil},
year={2005},
volume={77},
pages={305-313}
}SummaryA scheme on humus formation has been proposed. This is as follows: Lignin/carbohydrates, the chief sources of C for the microorganisms are first broken down by extracellular enzymes into smaller units. Soluble units are absorbed into the microbial cell where part of them are converted to phenols/quinones. These together with oxidising enzymes are discharged into the environment where they polymerise by a free radical mechanism. The formation of FA (fulvic acids) has also been explained… Expand
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