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- Field_capacity abstract "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 J/kg (or −0.33 bar) of hydraulic head or suction pressure. The term originated from Israelson 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).".
- Field_capacity wikiPageID "3422027".
- Field_capacity wikiPageRevisionID "603895076".
- Field_capacity hasPhotoCollection Field_capacity.
- Field_capacity subject Category:Hydrology.
- Field_capacity subject Category:Soil_physics.
- Field_capacity comment "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 J/kg (or −0.33 bar) of hydraulic head or suction pressure.".
- Field_capacity label "Capacidad de campo".
- Field_capacity label "Capacidade de campo".
- Field_capacity label "Capacità di campo".
- Field_capacity label "Capacité au champ".
- Field_capacity label "Feldkapazität".
- Field_capacity label "Field capacity".
- Field_capacity label "Pojemność polowa".
- Field_capacity label "Veldcapaciteit".
- Field_capacity label "سعة حقلية".
- Field_capacity sameAs Feldkapazität.
- Field_capacity sameAs Capacidad_de_campo.
- Field_capacity sameAs Capacité_au_champ.
- Field_capacity sameAs Capacità_di_campo.
- Field_capacity sameAs Veldcapaciteit.
- Field_capacity sameAs Pojemność_polowa.
- Field_capacity sameAs Capacidade_de_campo.
- Field_capacity sameAs m.09bnkh.
- Field_capacity sameAs Q1402691.
- Field_capacity sameAs Q1402691.
- Field_capacity wasDerivedFrom Field_capacity?oldid=603895076.
- Field_capacity isPrimaryTopicOf Field_capacity.