Assertion: comfrey's root system | /r/HasProperty | extensive
Facets:
Source sentences:
text: The root system of a well-established comfrey plant is fleshy and extensive.
text: Comfrey contains high levels of the basic NPK nutrients, drawn up from the deep by its extensive root system.
text: Comfrey contains high levels of the basic NPK nutrients, drawn up from the deep by its extensive root system.