Assertion: fertilizer's npk | /r/HasProperty | nitrogen-phosphorus-potassium
Facets:
Source sentences:
text: That’s because citrus peels are rich in all of the three major elements cannabis plants require, namely NPK (Nitrogen-Phosphorus-Potassium).
text: Urea is nitrogen fertilizer with an NPK (nitrogen-phosphorus-potassium) ratio of 46-0-0.