Assertion: fertilizer's material | /r/HasProperty | nitrogen
Facets:
Source sentences:
text: Fertilizer is one of a large number of natural and synthetic materials, which can include manure,nitrogen, phosphorus and potassium compounds.
text: Ammonia can be added to the superphosphoric acid to create liquid or dry materials containing both nitrogen (N) and P. The liquid, 10-34-0, is the most common product.