About: c4 crop

Premodifier: c4
Head noun: crop

Same concepts
http://dbpedia.org/resource/C4_carbon_fixation

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
sugar cane	isap:172900959	0.575544
maize	isap:202740391	0.433312
corn	isap:168823724	0.288353