id	keyword
afs-5755	n d
afs-5755	defoliation
afs-5755	height
afs-5755	regrowth
afs-5755	n c
afs-5755	timothy
afs-5755	june
afs-5755	fescue
afs-5755	defoliation height
afs-5755	meadow
afs-5755	tillers
afs-5755	august