field capacity


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field capacity

[′fēld kə‚pas·əd·ē]
(hydrology)
The maximum amount of water that a soil can retain after gravitational water has drained away.
References in periodicals archive ?
The WFPS at field capacity and clay content both had large negative sensitivities, indicating that an increase in these parameters results in a decrease in [N.
The interaction between field capacity and forward speed is shown in Fig.
All the irrigated plots were watered on 30 November 2000 to ensure the root-zone was rewet to field capacity.
The recoveries of water and chloride were 100% and 100% when initial water was equal to field capacity and 91% and 100% when initial water was 0.
where S is surplus water lost as deep percolation or surface runoff once the root-zone is rewet to field capacity, R is rainfall, and I is irrigation, all for day n and with units of ram.
3]), FC is the gravimetric soil water content at field capacity (%), [beta]m, is the soil water content before irrigation by weight (%), [rho]b is the bulk density of the soil (g [cm.
Samples were wetted up to field capacity and allowed to air-dry completely.
With rainfall to date estimated as high as 175% of normal for this time of year, drought-weary vintners saw a silver lining in the rainclouds, saying the chances were good that vineyards would be at field capacity for moisture in the spring.
We are particularly excited by the impact that LIFE Center's Education, Collaboration, and Outreach activities will have on increasing the field capacity needed to engage in learning sciences research and practice.
Field Capacity, 1 hectare/hour minimum; hitched to 25 - 35 HP Two-wheel engine tractor; adjustable row and hill speed spacing (65 - 75 cm and 15 - 30 cm, respectively); adjustable depth, 5 -10cm; adjustable metering device for fertilizer applicator;