Assertion: manure's nutrient | /r/CapableOf | flow via tile drains
Facets:
value: under a manure pile
type: LOCATION
Source sentences:
text: So, nutrients and pathogens contained in runoff from horse manure piles could cause environmental issues if allowed to flow to surface waters via ditches or tile drains, or to groundwater via shallow bedrock or coarse soils under a manure pile.