Assertion: phosphate's application | /r/HasSubevent | p migration
Facets:
value: into ground water
type: TRANSITIVE-OBJECT
value: into waterways
type: TRANSITIVE-OBJECT
value: in some cases
type: TEMPORAL
Source sentences:
text: The excessive application of animal manure over time, and in some cases, the excess application of P-based fertilizers, has led to P migration into waterways and even ground water.