Assertion: manure | /r/AtLocation | pit
Facets:
Source sentences:
text: Sources of gas emission include barns, feedlot surfaces, manure storage, silage piles, composting structures, and other smaller sources, but air emissions come mostly from the microbial breakdown of manure stored in pits or lagoons and spread on fields.
text: Note Sources of gas emission include barns, feedlot surfaces, manure storage, silage piles, composting structures, and other smaller sources, but air emissions come mostly from the microbial breakdown of manure stored in pits or lagoons and spread on fields.