Assertion: comfrey's nitrogen | /r/AtLocation | the soil
Facets:
value: to aid the decomposition
type: PURPOSE
Source sentences:
text: Not only does this nitrogen enter the soil from where other plants’ roots can access it for growth and crop development purposes, it also means that when the cut comfrey is decomposing it doesn’t pull whatever nitrogen is already in the soil out to aid the decomposition, which mulches that are high in carbon, such as straw, can do.