THE origin of the humic matter of coal, peat, and the soil has been the subject of controversy for many years. At present an increasing amount of support is being given to the hypothesis of ...

ORGANIC matter originating from the B h horizon of ... material for the investigation of the chemical structure of soil humic acids. You have full access to this article via your institution.

These humic acids and other byproducts of decomposition act as glue, combining soil particles into the aggregates (peds) we learned about last week. Granular soil is the name of the game. Organic ...

Terrestrial organic matter and light penetration ... Towards universal wavelength-specific photodegradation rate constants for methyl mercury in humic waters, exemplified by a boreal lake-wetland ...

Clear-water lakes were dominated by autotrophic energy mobilization in the benthic habitat, whereas humic lakes were dominated by heterotrophic ... which was determined by colored terrestrial organic ...

Additionally, humic acid improved arsenic adsorption on ... minerals, and organic matter in arsenic-contaminated environments. By harnessing these natural processes, we can develop more ...