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.
soil is naturally occurring, loose material at the surface of the earth, which is capable of supporting plant and animal life. In simple terms, soil is comprised of three components: solid, liquid, and gas. The solid phase accounts for approximately 50% of the volume in a typical soil is a mixture of mineral and organic matter and gives soil its mass.