Assertion: fertilizer's effect | /r/HasProperty | depend on the ratio of nitrate nitrogen
Facets:
value: to ammonium and/or urea nitrogen
type: OTHER
Source sentences:
text: effect on pH depends on the ratio of nitrate nitrogen to ammonium and/or urea nitrogen: the more nitrate, the more basic, and the more ammonium and/or urea, the more acidic.