Assertion: comfrey's nutrient | /r/HasProperty | nitrogen
Facets:
Source sentences:
text: What is brilliant about comfrey is that it contains high levels of all the essential nutrients for plant growth: Nitrogen, Phosphorus and Potassium (NPK) together with many other trace elements.
text: is that it contains high levels of all the essential nutrients for plant growth: Nitrogen, Phosphorus and Potassium (NPK) together with many other trace elements.