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Unformatted text preview: Silt loam c. Hold most water at saturation? Silt loam d. Have the most plant-available water? Silt loam 3. Explain the difference between water potential and water content . Water potential is a measure of the energy status of soil water (how tightly it is held by soil constituents or how free it is to move around). Its components are matric, osmotic, and gravitational potential. Water content is a measure of the amount of water in a soil, and tells nothing about its energy status. Water content can be expressed on a gravimetric (weight) or volumetric basis....
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- Spring '08