Assertion: fertilizer's element | /r/HasProperty | nitrogen
Facets:
Source sentences:
text: What plants need The three essential elements that all plants need are nitrogen, phosphorus, and potassium—or N-P-K, the proportions of which are stated as numbers on the package.
text: The 16 elements required by all plants are carbon (C), hydrogen (H), oxygen (O), phosphorus (P), potassium (K), nitrogen (N), sulfur (S), calcium (Ca), magnesium (Mg), iron (Fe), boron (B), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), and chlorine (Cl).