$0\%$

$10\%$

$20\%$

$30\%$

$40\%$

$50\%$

$\text{Volumetric Water Content (VWC)}$

$1$

$10$

$70$

$300$

$1500$

$\text{Matric Potential (kPa)}$

$\text{Sand}$

$\text{Loam}$

$\text{Clay}$

$\text{Fill Zone}$

$\text{Refill Zone}$