What does field capacity mean?

Definitions for field capacity
field ca·pac·i·ty

This dictionary definitions page includes all the possible meanings, example usage and translations of the word field capacity.

Princeton's WordNet

  1. field capacitynoun

    the maximum amount of water that a particular soil can hold

Wikipedia

  1. 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. This usually takes place 2–3 days after rain or irrigation in pervious soils of uniform structure and texture. The physical definition of field capacity (expressed symbolically as θfc) is the bulk water content retained in soil at −33 kPa (or −0.33 bar) of hydraulic head or suction pressure. The term originated from Israelsen and West and Frank Veihmeyer and Arthur Hendrickson.Veihmeyer and Hendrickson realized the limitation in this measurement and commented that it is affected by so many factors that, precisely, it is not a constant (for a particular soil), yet it does serve as a practical measure of soil water-holding capacity. Field capacity improves on the concept of moisture equivalent by Lyman Briggs. Veihmeyer & Hendrickson proposed this concept as an attempt to improve water-use efficiency for farmers in California during 1949.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. Water content when the rate of change is relatively small is indicative of when drainage ceases and is called Field Capacity, it is also termed drained upper limit (DUL). Lorenzo A. Richards and Weaver found that water content held by soil at a potential of −33 kPa (or −0.33 bar) correlate closely with field capacity (−10 kPa for sandy soils).

ChatGPT

  1. field capacity

    Field capacity is the measure of soil's ability to hold and retain moisture against the force of gravity, after excess water has drained away. It is the maximum amount of water a particular type of soil can hold without it percolating further into the ground. The water held by the soil at field capacity is in a state where it is readily available for plant usage.

Wikidata

  1. Field capacity

    Field capacity is the amount of soil moisture or water content held in soil after excess water has drained away and the rate of downward movement has materially decreased, which usually takes place within 2–3 days after a rain or irrigation in pervious soils of uniform structure and texture. The physical definition of field capacity is the bulk water content retained in soil at −33 J/kg of hydraulic head or suction pressure. The term originated from Israelson and West and Frank Veihmeyer and Arthur Hendrickson. Veihmeyer and Hendrickson realised the limitation in this measurement and commented that it is affected by so many factors that, precisely, it is not a constant, yet it does serve as a practical measure of soil water-holding capacity. Field capacity improves on the earlier concept of moisture equivalent by Lyman Briggs. Veihmeyer & Hendrickson proposed this concept as an attempt to improve water use efficiency for farmers in California during that time [during what time??]. Field capacity is characterised by measuring water content after wetting a soil profile, covering it and monitoring the change in soil moisture in the profile. Water content when the rate of change is relatively small is indicative of when drainage ceases and is called Field Capacity, it is also termed drained upper limit.

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Numerology

  1. Chaldean Numerology

    The numerical value of field capacity in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of field capacity in Pythagorean Numerology is: 6


Translations for field capacity

From our Multilingual Translation Dictionary

  • kampokapacitoEsperanto
  • खेत की क्षमताHindi
  • துறையில் திறன்Tamil

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"field capacity." Definitions.net. STANDS4 LLC, 2024. Web. 28 Mar. 2024. <https://www.definitions.net/definition/field+capacity>.

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