Symptoms of dry mouth syndrome. Dry mouth symptoms may include: saliva that feels thick or stringy. rough, dry tongue. the tongue tending to stick against the roof of the mouth. problems with chewing or swallowing (particularly dry foods such as biscuits) bad breath. mouth ulcers.
Once nitrogen is fixed, it is subject to several chemical reactions which can convert it to different organic or inorganic forms. Mineralization occurs in soil as microorganisms convert organic nitrogen to inorganic forms.
3,423 Contributions. Nitrogen fixation is the process of nitrogen gas from the air  being turned into a compound in the soil by bacteria that live in  the root nodules of certain plants (legumes â¦).