Assertion: fertilizer's percentage | /r/HasProperty | phosphorus
Facets:
Source sentences:
text: The numbers on a fertilizer bag refer to the percentage of nitrogen (N), phosphorus (P) and potassium (K) which are the nutrients needed in largest amounts by plants.
text: The NPK value represents the percentage by volume of nitrogen (N), phosphorus (P), and potassium (K) that a fertilizer contains.