id	keyword
afs-72405	yield
afs-72405	density
afs-72405	competition
afs-72405	mixtures
afs-72405	nitrogen
afs-72405	average
afs-72405	fertilization
afs-72405	variety
afs-72405	varieties
afs-72405	arra
afs-72405	plant
afs-72405	barley
afs-72405	grain