CARBON, NITROGEN AND SULFUR CONTENTS AND RATIOS IN SOME HUNGARIAN SOIL TYPES
The residues of organic matter in the soil are transformed biologically over a shorter or longer time period.In the humification process, a part of the organic decomposition products Gift Set formed the dark-coloured humus.The other part of the organic matter is also decomposed by the activities of heterotrophic organisms, in which inorganic substa