Assertion: commercial fertilizer | /r/CapableOf | act as a plant-food material
Facets:
value: without affecting soil structure
type: MANNER
value: directly
type: MANNER
Source sentences:
text: The chief distinction between the functions of farm manure and commercial fertilizers may be stated in a general way to be that farm manure increases crop production by improving the condition of the soil, as well as by furnishing plant nutrients, while commercial fertilizers may act directly as a plant-food material without materially affecting soil structure.