Mom, Grandma, and SIL all swear/swore by ‘manure tea’. I’ve also used it with good results.
OTOH, none of us ever used sacked steer manure for it; it was alway field collected. Whenever Dad drove Grandma anywhere, there was always a shovel & sack in the trunk with her eagle eyes watching the roadside for cow pies.
Cow Pies aka Meadow Muffins...