Assertion: comfrey's nutrient | /r/AtLocation | the soil
Facets:
value: upwards
type: LOCATION
value: to a level
type: OTHER
value: deeply
type: DEGREE
Source sentences:
text: I also suspect they are one of the plants who do the work of bringing nutrients that are deeply held in the soil upwards to a level where they are more available to other plants (such as the feeder roots of fruit trees, for instance.)