Assertion: ancient grain | /r/HasProperty | tradeoff
Facets:
value: in yield-per-plant
type: OTHER
Source sentences:
text: So-called ancient grains and heirloom varieties have seen an increase in popularity with the "organic" movements of the early 21st century, but there is a tradeoff in yield-per-plant, putting pressure on resource-poor areas as food crops are replaced with cash crops.