Nitrogen in its organic form is converted to its inorganic form (NH4+ or NO3-) so that it is available to the plant.
This can be done by fungus and bacteria. This is done through a process known as nitrogen fixation.
Nitrogen fixation - Wikipedia, the free encyclopedia
Nitrogen can also be fixed by the atmosphere, since N2 is diatomic.
Understanding nitrogen in soils : Nitrogen : Nutrient Management : Agriculture : University of Minnesota Extension
This can be done by fungus and bacteria. This is done through a process known as nitrogen fixation.
Nitrogen fixation - Wikipedia, the free encyclopedia
Nitrogen can also be fixed by the atmosphere, since N2 is diatomic.
Understanding nitrogen in soils : Nitrogen : Nutrient Management : Agriculture : University of Minnesota Extension