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.
Some soil bacteria conduct nitrogen fixation. The soil bactefia capture nitrogen gas from the atmosphere and return it to the soil. They are able to convert nitrogen gas to nitrates and increase soil fertility.They process it so the plants can have it.