In the terminology of North American
agriculture,
muck is a
soil made up primarily of
humus from drained
swampland. It is known as
black soil in
The Fens of eastern
England, where it was originally mainly
fen and
bog. It is used there, as in the United States, for growing specialty crops such as
onions,
carrots,
celery, and
potatoes.
Holland Marsh, north of
Toronto, Ontario, is the site of the
Muck Crops Research Station, a part of the
University of Guelph.