![apsim video apsim video](https://ishpotato.cipotato.org/wp-content/uploads/2018/03/en-lurs.jpg)
![apsim video apsim video](https://ipads.a.u-tokyo.ac.jp/wp/wp-content/uploads/field-photo10-360x480.jpg)
The functionality of Nutrient is identical to SoilN in APSIM 7.10. Instead it is broken up into many smaller source files.
#Apsim video code
The code is not in a single source file like APSIM 7.10. The two locations where you can see the source files are: For example, hovering over 'Denitrification' under 'NO3' shows that the code is in 'NFlow.cs'. To see the source code behind a component, hover the mouse over the component in the tree to see the c# class name of that component.
![apsim video apsim video](https://www.apsim.info/wp-content/uploads/2019/09/Picture4.png)