Assertion: broccoli's level | /r/HasProperty | lowered
Facets:
value: by using n
type: MANNER
value: p: k 5:6:2
type: OTHER
Source sentences:
text: The phosphorus and potassium level can only be lowered by using N: P: K 5:6:2 at the rate of from 800 kg to 1200 kg per ha.