Assertion: fertilizer's nitrogen | /r/HasProperty | needed
Facets:
value: certainly
type: DEGREE
value: generally
type: DEGREE
Source sentences:
text: Dry diammonium phosphate (18-46-0) is used primarily in bulk-blended fertilizers, but can be applied alone as a plowdown, sidedress or topdress whenever nitrogen, phosphorus or both are needed.
text: Phosphorus is generally the limiting nutrient in ponds; little nitrogen and usually no potassium is generally needed.
text: If soil phosphorus and potassium levels are high, only nitrogen may be needed.
text: Certainly, both nitrogen and phosphorus are needed, but a flower garden or ornamental flowering trees will produce a greater amount of larger, longer-lasting flowers if the fertilizer has a higher phosphorus content.