<http://webisa.webdatacommons.org/prov/27869525>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/199149758> .
<http://webisa.webdatacommons.org/199149758>	<http://www.w3.org/ns/prov#value>	"However, except for a few commodities such as hybrid maize in southern Africa, sustained adoption of improved varieties has been very limited." .
<http://webisa.webdatacommons.org/199149758>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/199149758>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<msu.edu> .