1.
Definition of soil organic matter
The term humus is used by some soil scientists synonymously with soil organic matter, that is to denote all organic material in the soil, including humic ...
2.
Properties of humic substances
The humic acid / fulvic acid ratio usually, but not always, decreases with ... Humic acid / fulvic acid ratios of some surface soils (by Kononova) ...
3.
The formation of humic substances
Both lignin and humic acid are decomposed with considerable difficulty by the great majority of fungi and bacteria. Both lignin and humic acid are partly ...
4.
Properties of humic substances
Fulvic acids - the fraction of humic substances that is soluble in water under all ... According to this concept, diferences between humic acids and fulvic ...
5.
Properties of humic substances
The humic acid / fulvic acid ratio. The percentage of the humus which occurs in the various humic fractions varies considerably from one soil type to ...
6.
Properties of humic substances
They remains in solution after removal of humic acid by acidification. ... Elemental composition of humic substances and several plant material (by Kononova ...
7.
Properties of humic substances
They remains in solution after removal of humic acid by acidification. ... The hypothetical structure for humic acid, shown in figure, contains free and ...
8.
Properties of humic substances
Properties of humic substances. Humic acids - the fraction of humic substances ... They remains in solution after removal of humic acid by acidification. ...
9.
http://www.ar.wroc.pl/~weber/humic.htm Home page
Provide a wide information on humic substances in the soil and water environment, ... Soil Humic Substances. Do wersji polskiej · back to home page · other ...
10.
Properties of humic substances
Fulvic acids - the fraction of humic substances that is soluble in water under all pH conditions. They remains in solution after removal of humic acid by ...