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Available water capacity

Index Available water capacity

Available water capacity or available water content (AWC) is the range of available water that can be stored in soil and be available for growing crops. [1]

6 relations: Field capacity, Integral energy, Lorenzo A. Richards, Nonlimiting water range, Permanent wilting point, Water content.

Field capacity

Field Capacity is the amount of soil moisture or water content held in the soil after excess water has drained away and the rate of downward movement has decreased.

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Integral energy

Integral energy is the amount of energy required to remove water from an initial water content \theta_i to water content of \theta_f (where \theta_i > \theta_f).

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Lorenzo A. Richards

Lorenzo Adolph Richards (April 24, 1904 – March 12, 1993) or known as Ren was one of the 20th century’s most influential minds in the field of soil physics.

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Nonlimiting water range

The Non-limiting water range (NLWR) represents the range of water content in the soil where limitations to plant growth (such as water potential, air-filled porosity, or soil strength) are minimal.

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Permanent wilting point

Permanent wilting point (PWP) or wilting point (WP) is defined as the minimal point of soil moisture the plant requires not to wilt.

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Water content

Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture), rock, ceramics, crops, or wood.

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Redirects here:

AWSC, Available water content, Available water storage capacity, Plant available water.

References

[1] https://en.wikipedia.org/wiki/Available_water_capacity

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