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iRRigating efficiently: wateRshed management stRategies
Table 1: Soil moisture descriptor and related soil suction
kPa
Soil moisture cbar
0.1
Saturated 0.1
Field capacity
5 to 33 5 to 33
Wilting point
1 500 1 500
The availability of water in soil is often described illustratively using soil water characteristic
curves. These curves depict soil suction as a function of volumetric water content. General
curves are often presented that are similar to the Fig. 2.
Fig. 2: Soil moisture curve (from Lu and Likos, 2004)
Universidad Autónoma de Chiapas
