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  2. Field capacity - Wikipedia

    en.wikipedia.org/wiki/Field_capacity

    Field capacity is characterized by measuring water content after wetting a soil profile, covering it (to prevent evaporation), and monitoring the change soil moisture in the profile. A relatively low rate of change indicates when macropore drainage ceases, which is called Field Capacity; it is also termed drained upper limit (DUL).

  3. Water retention curve - Wikipedia

    en.wikipedia.org/wiki/Water_retention_curve

    Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for different types of soil, and is also called the soil moisture characteristic. It is used to predict the soil water storage, water supply to the plants (field capacity) and soil aggregate stability.

  4. Available water capacity - Wikipedia

    en.wikipedia.org/wiki/Available_water_capacity

    Available water capacity is the amount of water that can be stored in a soil profile and be available for growing crops. [1] It is also known as available water content ( AWC ), profile available water ( PAW ) [ 2 ] or total available water ( TAW ).

  5. Specific storage - Wikipedia

    en.wikipedia.org/wiki/Specific_storage

    Summary of hydrologic and physical properties of rock and soil materials as analyzed by the Hydrologic Laboratory of the U.S. Geological Survey 1948-1960. U.S. Geological Survey Water Supply Paper 1839-D. 42 p. De Wiest, R. J. (1966). On the storage coefficient and the equations of groundwater flow.

  6. Good soils are foundations for great gardens. Here’s how to ...

    www.aol.com/good-soils-foundations-great-gardens...

    The soil testing laboratory at Texas A&M in College Station gives very reliable tests. It was set up to aid farmers and commercial growers across Texas, but home gardeners also make use of the ...

  7. Important facts about North Texas soils and how to prepare ...

    www.aol.com/important-facts-north-texas-soils...

    The ideal garden soil will have some of each of these particles. Sand for its porosity and aeration, clay for its stability and water and nutrient-holding capacity, and silt just because it’s there.

  8. Soil water retention capacity - Wikipedia

    en.wikipedia.org/wiki/Soil_water_(retention)

    Pores (the spaces that exist between soil particles) provide for the passage and/or retention of gasses and moisture within the soil profile.The soil's ability to retain water is strongly related to particle size; water molecules hold more tightly to the fine particles of a clay soil than to coarser particles of a sandy soil, so clays generally retain more water. [2]

  9. SWAT model - Wikipedia

    en.wikipedia.org/wiki/SWAT_model

    SWAT (soil and water assessment tool) is a river basin scale model developed to quantify the impact of land management practices in large, complex watersheds. SWAT is a public domain software enabled model actively supported by the USDA Agricultural Research Service at the Blackland Research & Extension Center in Temple, Texas , USA. [ 1 ]