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.
Ammonia Ammonia (NH 3) is the foundation for the nitrogen (N) fertilizer industry. It can be directly applied to soil as a plant nutri-ent or converted into a variety of common N fertilizers. Special safety and management precautions are required. Production Almost 80% of the Earthâs atmosphere is composed of N 2