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.
KM DeAngelis January 22, 20071 of 2 Measurement of soil moisture content by gravimetric method The soil moisture content may be expressed by weight as the ratio of the mass of water present to the dry to the dryweight of the soil sample, or by volume as ratio of volume of water to the total volume of the soil sample.