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After well demposition, humus produces humic and fulvic acid. Humus is also a collodial substances and show the mainly negative charged and attracts the positive chrages. In acid soil humus increases the soil pH and in alkaline soil, reduces the pH.
In this manner, is hummus a decomposer?
Humus is the dark organic matter that forms in soil when dead plant and animal matter decays. Humus has many nutrients that improve the health of soil, nitrogen being the most important.
Beside this, what charge does humus have?
Humus has a small permanent negative charge and a large pH-dependent charge. Humus contains complex compositions with many active groups.
Humus is formed by the decomposing action of soil microorganisms (e.g., bacteria and fungi), which break down animal and vegetable material into elements that can be used by growing plants.