id	keyword
afs-71845	irrigation
afs-71845	nitrogen
afs-71845	protein
afs-71845	fertilization
afs-71845	effect
afs-71845	wheat
afs-71845	quality
afs-71845	content
afs-71845	table
afs-71845	trials
afs-71845	value
afs-71845	farm