Herbage and especially grass mowed and cured for fodder is called hay.
Hay is baled by hay balers.
In 2000, The MAN stood upon a whole bunch of straw bales. Straw is used as bedding for
farm animals, and keeping grass seed from blowing away before it sprouts.
Stalks of grain after threshing is baled. This dry stalky plant residue is used for farm animal bedding.