Physiological Nitrogen release
![](https://ini2021.com/wp-content/uploads/2021/05/161_Physiological_Nitrogen_release_Volodymyr_Medinets-pdf-1.jpg)
Per capita N footprint in various regions differs and strongly related to protein consumption rates and food production N losses (Galloway et al.,2014). It is essential that in regionswith sanitation facilities physiological N excretion from humans is not considered as potential N loss pathway to the environment.