id	keyword
bionys-280	et al
bionys-280	yield
bionys-280	number
bionys-280	grain yield
bionys-280	spike
bionys-280	grains
bionys-280	wheat
bionys-280	weight
bionys-280	grain weight
bionys-280	year
bionys-280	winter
bionys-280	components
bionys-280	yield components
bionys-280	average
bionys-280	varieties