The soil depth from which a fully grown plant can easily extract most of the water needed for transpiration. It can be limited by physical (e.g. cemented pan) or chemical (e.g. saline horizon) properties.
The soil depth from which a fully grown plant can easily extract most of the water needed for transpiration. It can be limited by physical (e.g. cemented pan) or chemical (e.g. saline horizon) properties.