Table 1: Tolerable soil pressure head variations for some crops.

CropUpper pressure (cm)Lower pressure (cm)References

Spring wheat−25−1000Li et al. [23]
Tomato−2−800Gärdenäs et al. [24] 
Hanson et al. [25]
Soybeans−25−800Clemente et al. [26]
Grape−2−1000Hanson et al. [25]
Grass−25−800Clemente et al. [26]