Assertion: fertilizer's phosphorus | /r/HasProperty | second number
Facets:
Source sentences:
text: The numbers represent the percentage, by weight, of Nitrogen (N1 - always the first number), Phosphorus (P2O5 - always the second number) and Potassium (K2O - always the third number).
text: However, complete fertilizers sold for flowering plants (including roses and bulbs) such as 15-30-50 or 10-30-20 contain higher amounts of phosphorus (the second number) than nitrogen or potassium and are often labeled as “blossom or bloom booster”.
text: Phosphorus (the second number in the N-P-K ratio) encourages flowering, and therefore fruiting.