Assertion: cassava's production | /r/HasProperty | major restriction
Facets:
value: in areas
type: LOCATION
value: in dry agro-ecosystems
type: LOCATION
Source sentences:
text: In dry agro-ecosystems, where biomass production is usually low in comparison with more humid areas and in areas where new materials such as improved varieties are being introduced for the first time, the production of planting materials in sufficient quantities is a major restriction to the widespread and rapid adoption of the crop or a variety.