What Causes Tongue Disorders? Hairy tongue and discolored tongue (in which papillae, the small projections on the tongue, become elongated or darkened) may be caused by tobacco, foods or medications such as antibiotics. Poor oral hygiene is a contributing factor.
Soil moisture is the amount of water contained in the soil after precipitation seeps into the ground. 1.The degree to which water clings to the soil is the most important soil water characteristic to a growing plant. This concept is often expressed as soil moisture tensi â¦ on.
Soil moisture - The soils are usually moist in some part of the moisture control section for more than one-half of the time the soil temperature is above 41 degrees F.; They are dry in all parts of the moisture control section for 60 to 90 consecutive days during the summer months; Xeric moisture regime that borders on aridic.